diff options
Diffstat (limited to 'drivers/s390')
57 files changed, 2066 insertions, 1725 deletions
diff --git a/drivers/s390/Kconfig b/drivers/s390/Kconfig index 96413c2cd1ad..a86a650f3d6d 100644 --- a/drivers/s390/Kconfig +++ b/drivers/s390/Kconfig @@ -187,6 +187,13 @@ config VMLOGRDR *SYMPTOM. This driver depends on the IUCV support driver. +config VMCP + tristate "Support for the z/VM CP interface (VM only)" + help + Select this option if you want to be able to interact with the control + program on z/VM + + config MONREADER tristate "API for reading z/VM monitor service records" depends on IUCV diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index ceeb3cf64a16..6527ff6f4706 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -176,7 +176,7 @@ dasd_state_known_to_basic(struct dasd_device * device) return rc; /* register 'device' debug area, used for all DBF_DEV_XXX calls */ - device->debug_area = debug_register(device->cdev->dev.bus_id, 0, 2, + device->debug_area = debug_register(device->cdev->dev.bus_id, 1, 2, 8 * sizeof (long)); debug_register_view(device->debug_area, &debug_sprintf_view); debug_set_level(device->debug_area, DBF_EMERG); @@ -1952,26 +1952,24 @@ dasd_generic_notify(struct ccw_device *cdev, int event) * Automatically online either all dasd devices (dasd_autodetect) or * all devices specified with dasd= parameters. */ +static int +__dasd_auto_online(struct device *dev, void *data) +{ + struct ccw_device *cdev; + + cdev = to_ccwdev(dev); + if (dasd_autodetect || dasd_busid_known(cdev->dev.bus_id) == 0) + ccw_device_set_online(cdev); + return 0; +} + void dasd_generic_auto_online (struct ccw_driver *dasd_discipline_driver) { struct device_driver *drv; - struct device *d, *dev; - struct ccw_device *cdev; drv = get_driver(&dasd_discipline_driver->driver); - down_read(&drv->bus->subsys.rwsem); - dev = NULL; - list_for_each_entry(d, &drv->devices, driver_list) { - dev = get_device(d); - if (!dev) - continue; - cdev = to_ccwdev(dev); - if (dasd_autodetect || dasd_busid_known(cdev->dev.bus_id) == 0) - ccw_device_set_online(cdev); - put_device(dev); - } - up_read(&drv->bus->subsys.rwsem); + driver_for_each_device(drv, NULL, NULL, __dasd_auto_online); put_driver(drv); } @@ -1983,7 +1981,7 @@ dasd_init(void) init_waitqueue_head(&dasd_init_waitq); /* register 'common' DASD debug area, used for all DBF_XXX calls */ - dasd_debug_area = debug_register("dasd", 0, 2, 8 * sizeof (long)); + dasd_debug_area = debug_register("dasd", 1, 2, 8 * sizeof (long)); if (dasd_debug_area == NULL) { rc = -ENOMEM; goto failed; diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index 1aedc48e5f85..d948566bb24a 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -615,7 +615,7 @@ dasd_device_from_cdev(struct ccw_device *cdev) * readonly controls the readonly status of a dasd */ static ssize_t -dasd_ro_show(struct device *dev, char *buf) +dasd_ro_show(struct device *dev, struct device_attribute *attr, char *buf) { struct dasd_devmap *devmap; int ro_flag; @@ -629,7 +629,7 @@ dasd_ro_show(struct device *dev, char *buf) } static ssize_t -dasd_ro_store(struct device *dev, const char *buf, size_t count) +dasd_ro_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dasd_devmap *devmap; int ro_flag; @@ -656,7 +656,7 @@ static DEVICE_ATTR(readonly, 0644, dasd_ro_show, dasd_ro_store); * to talk to the device */ static ssize_t -dasd_use_diag_show(struct device *dev, char *buf) +dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf) { struct dasd_devmap *devmap; int use_diag; @@ -670,7 +670,7 @@ dasd_use_diag_show(struct device *dev, char *buf) } static ssize_t -dasd_use_diag_store(struct device *dev, const char *buf, size_t count) +dasd_use_diag_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dasd_devmap *devmap; ssize_t rc; @@ -698,7 +698,7 @@ static DEVICE_ATTR(use_diag, 0644, dasd_use_diag_show, dasd_use_diag_store); static ssize_t -dasd_discipline_show(struct device *dev, char *buf) +dasd_discipline_show(struct device *dev, struct device_attribute *attr, char *buf) { struct dasd_devmap *devmap; char *dname; diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index d7f19745911f..43c34f8c5e68 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -9,13 +9,14 @@ * * /proc interface for the dasd driver. * - * $Revision: 1.31 $ + * $Revision: 1.32 $ */ #include <linux/config.h> #include <linux/ctype.h> #include <linux/seq_file.h> #include <linux/vmalloc.h> +#include <linux/proc_fs.h> #include <asm/debug.h> #include <asm/uaccess.h> diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index a66b17b65296..4fde41188996 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -35,26 +35,29 @@ static int dcssblk_open(struct inode *inode, struct file *filp); static int dcssblk_release(struct inode *inode, struct file *filp); static int dcssblk_make_request(struct request_queue *q, struct bio *bio); +static int dcssblk_direct_access(struct block_device *bdev, sector_t secnum, + unsigned long *data); static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0"; static int dcssblk_major; static struct block_device_operations dcssblk_devops = { - .owner = THIS_MODULE, - .open = dcssblk_open, - .release = dcssblk_release, + .owner = THIS_MODULE, + .open = dcssblk_open, + .release = dcssblk_release, + .direct_access = dcssblk_direct_access, }; -static ssize_t dcssblk_add_store(struct device * dev, const char * buf, +static ssize_t dcssblk_add_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t count); -static ssize_t dcssblk_remove_store(struct device * dev, const char * buf, +static ssize_t dcssblk_remove_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t count); -static ssize_t dcssblk_save_store(struct device * dev, const char * buf, +static ssize_t dcssblk_save_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t count); -static ssize_t dcssblk_save_show(struct device *dev, char *buf); -static ssize_t dcssblk_shared_store(struct device * dev, const char * buf, +static ssize_t dcssblk_save_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t dcssblk_shared_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t count); -static ssize_t dcssblk_shared_show(struct device *dev, char *buf); +static ssize_t dcssblk_shared_show(struct device *dev, struct device_attribute *attr, char *buf); static DEVICE_ATTR(add, S_IWUSR, NULL, dcssblk_add_store); static DEVICE_ATTR(remove, S_IWUSR, NULL, dcssblk_remove_store); @@ -195,7 +198,7 @@ dcssblk_segment_warn(int rc, char* seg_name) * operation (show + store) */ static ssize_t -dcssblk_shared_show(struct device *dev, char *buf) +dcssblk_shared_show(struct device *dev, struct device_attribute *attr, char *buf) { struct dcssblk_dev_info *dev_info; @@ -204,7 +207,7 @@ dcssblk_shared_show(struct device *dev, char *buf) } static ssize_t -dcssblk_shared_store(struct device *dev, const char *inbuf, size_t count) +dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const char *inbuf, size_t count) { struct dcssblk_dev_info *dev_info; int rc; @@ -288,7 +291,7 @@ out: * (show + store) */ static ssize_t -dcssblk_save_show(struct device *dev, char *buf) +dcssblk_save_show(struct device *dev, struct device_attribute *attr, char *buf) { struct dcssblk_dev_info *dev_info; @@ -297,7 +300,7 @@ dcssblk_save_show(struct device *dev, char *buf) } static ssize_t -dcssblk_save_store(struct device *dev, const char *inbuf, size_t count) +dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char *inbuf, size_t count) { struct dcssblk_dev_info *dev_info; @@ -343,7 +346,7 @@ dcssblk_save_store(struct device *dev, const char *inbuf, size_t count) * device attribute for adding devices */ static ssize_t -dcssblk_add_store(struct device *dev, const char *buf, size_t count) +dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int rc, i; struct dcssblk_dev_info *dev_info; @@ -517,7 +520,7 @@ out_nobuf: * device attribute for removing devices */ static ssize_t -dcssblk_remove_store(struct device *dev, const char *buf, size_t count) +dcssblk_remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dcssblk_dev_info *dev_info; int rc, i; @@ -641,6 +644,20 @@ dcssblk_make_request(request_queue_t *q, struct bio *bio) /* Request beyond end of DCSS segment. */ goto fail; } + /* verify data transfer direction */ + if (dev_info->is_shared) { + switch (dev_info->segment_type) { + case SEG_TYPE_SR: + case SEG_TYPE_ER: + case SEG_TYPE_SC: + /* cannot write to these segments */ + if (bio_data_dir(bio) == WRITE) { + PRINT_WARN("rejecting write to ro segment %s\n", dev_info->dev.bus_id); + goto fail; + } + } + } + index = (bio->bi_sector >> 3); bio_for_each_segment(bvec, bio, i) { page_addr = (unsigned long) @@ -661,7 +678,26 @@ dcssblk_make_request(request_queue_t *q, struct bio *bio) bio_endio(bio, bytes_done, 0); return 0; fail: - bio_io_error(bio, bytes_done); + bio_io_error(bio, bio->bi_size); + return 0; +} + +static int +dcssblk_direct_access (struct block_device *bdev, sector_t secnum, + unsigned long *data) +{ + struct dcssblk_dev_info *dev_info; + unsigned long pgoff; + + dev_info = bdev->bd_disk->private_data; + if (!dev_info) + return -ENODEV; + if (secnum % (PAGE_SIZE/512)) + return -EINVAL; + pgoff = secnum / (PAGE_SIZE / 512); + if ((pgoff+1)*PAGE_SIZE-1 > dev_info->end - dev_info->start) + return -ERANGE; + *data = (unsigned long) (dev_info->start+pgoff*PAGE_SIZE); return 0; } @@ -682,7 +718,7 @@ dcssblk_check_params(void) buf[j-i] = dcssblk_segments[j]; } buf[j-i] = '\0'; - rc = dcssblk_add_store(dcssblk_root_dev, buf, j-i); + rc = dcssblk_add_store(dcssblk_root_dev, NULL, buf, j-i); if ((rc >= 0) && (dcssblk_segments[j] == '(')) { for (k = 0; buf[k] != '\0'; k++) buf[k] = toupper(buf[k]); @@ -692,7 +728,7 @@ dcssblk_check_params(void) up_read(&dcssblk_devices_sem); if (dev_info) dcssblk_shared_store(&dev_info->dev, - "0\n", 2); + NULL, "0\n", 2); } } while ((dcssblk_segments[j] != ',') && diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile index 14e8cce9f862..6377a96735df 100644 --- a/drivers/s390/char/Makefile +++ b/drivers/s390/char/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_SCLP_CPI) += sclp_cpi.o obj-$(CONFIG_ZVM_WATCHDOG) += vmwatchdog.o obj-$(CONFIG_VMLOGRDR) += vmlogrdr.o +obj-$(CONFIG_VMCP) += vmcp.o tape-$(CONFIG_S390_TAPE_BLOCK) += tape_block.o tape-$(CONFIG_PROC_FS) += tape_proc.o diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 022f17bff731..f11a67fda40e 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -860,8 +860,8 @@ con3215_init(void) /* Set the console mode for VM */ if (MACHINE_IS_VM) { - cpcmd("TERM CONMODE 3215", NULL, 0); - cpcmd("TERM AUTOCR OFF", NULL, 0); + cpcmd("TERM CONMODE 3215", NULL, 0, NULL); + cpcmd("TERM AUTOCR OFF", NULL, 0, NULL); } /* allocate 3215 request structures */ diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c index d52fb57a6b19..fc7a213e591f 100644 --- a/drivers/s390/char/con3270.c +++ b/drivers/s390/char/con3270.c @@ -591,8 +591,8 @@ con3270_init(void) /* Set the console mode for VM */ if (MACHINE_IS_VM) { - cpcmd("TERM CONMODE 3270", 0, 0); - cpcmd("TERM AUTOCR OFF", 0, 0); + cpcmd("TERM CONMODE 3270", NULL, 0, NULL); + cpcmd("TERM AUTOCR OFF", NULL, 0, NULL); } cdev = ccw_device_probe_console(); diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 8e16a9716686..d5eefeaba50c 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -1084,7 +1084,7 @@ raw3270_probe (struct ccw_device *cdev) * Additional attributes for a 3270 device */ static ssize_t -raw3270_model_show(struct device *dev, char *buf) +raw3270_model_show(struct device *dev, struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%i\n", ((struct raw3270 *) dev->driver_data)->model); @@ -1092,7 +1092,7 @@ raw3270_model_show(struct device *dev, char *buf) static DEVICE_ATTR(model, 0444, raw3270_model_show, 0); static ssize_t -raw3270_rows_show(struct device *dev, char *buf) +raw3270_rows_show(struct device *dev, struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%i\n", ((struct raw3270 *) dev->driver_data)->rows); @@ -1100,7 +1100,7 @@ raw3270_rows_show(struct device *dev, char *buf) static DEVICE_ATTR(rows, 0444, raw3270_rows_show, 0); static ssize_t -raw3270_columns_show(struct device *dev, char *buf) +raw3270_columns_show(struct device *dev, struct device_attribute *attr, char *buf) { return snprintf(buf, PAGE_SIZE, "%i\n", ((struct raw3270 *) dev->driver_data)->cols); diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c index 480ec87976fb..20be88e91fa1 100644 --- a/drivers/s390/char/tape_34xx.c +++ b/drivers/s390/char/tape_34xx.c @@ -1351,13 +1351,13 @@ tape_34xx_init (void) { int rc; - TAPE_DBF_AREA = debug_register ( "tape_34xx", 1, 2, 4*sizeof(long)); + TAPE_DBF_AREA = debug_register ( "tape_34xx", 2, 2, 4*sizeof(long)); debug_register_view(TAPE_DBF_AREA, &debug_sprintf_view); #ifdef DBF_LIKE_HELL debug_set_level(TAPE_DBF_AREA, 6); #endif - DBF_EVENT(3, "34xx init: $Revision: 1.21 $\n"); + DBF_EVENT(3, "34xx init: $Revision: 1.23 $\n"); /* Register driver for 3480/3490 tapes. */ rc = ccw_driver_register(&tape_34xx_driver); if (rc) @@ -1378,7 +1378,7 @@ tape_34xx_exit(void) MODULE_DEVICE_TABLE(ccw, tape_34xx_ids); MODULE_AUTHOR("(C) 2001-2002 IBM Deutschland Entwicklung GmbH"); MODULE_DESCRIPTION("Linux on zSeries channel attached 3480 tape " - "device driver ($Revision: 1.21 $)"); + "device driver ($Revision: 1.23 $)"); MODULE_LICENSE("GPL"); module_init(tape_34xx_init); diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c index 0f8ffd4167ca..ed0cb1f15b4c 100644 --- a/drivers/s390/char/tape_class.c +++ b/drivers/s390/char/tape_class.c @@ -16,7 +16,7 @@ MODULE_DESCRIPTION( ); MODULE_LICENSE("GPL"); -struct class_simple *tape_class; +static struct class *tape_class; /* * Register a tape device and return a pointer to the cdev structure. @@ -70,7 +70,7 @@ struct tape_class_device *register_tape_dev( if (rc) goto fail_with_cdev; - tcd->class_device = class_simple_device_add( + tcd->class_device = class_device_create( tape_class, tcd->char_device->dev, device, @@ -101,7 +101,7 @@ void unregister_tape_dev(struct tape_class_device *tcd) &tcd->class_device->dev->kobj, tcd->mode_name ); - class_simple_device_remove(tcd->char_device->dev); + class_device_destroy(tape_class, tcd->char_device->dev); cdev_del(tcd->char_device); kfree(tcd); } @@ -111,14 +111,14 @@ EXPORT_SYMBOL(unregister_tape_dev); static int __init tape_init(void) { - tape_class = class_simple_create(THIS_MODULE, "tape390"); + tape_class = class_create(THIS_MODULE, "tape390"); return 0; } static void __exit tape_exit(void) { - class_simple_destroy(tape_class); + class_destroy(tape_class); tape_class = NULL; } diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index e51046ab8adc..0597aa0e27ee 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -107,7 +107,7 @@ busid_to_int(char *bus_id) * replaced by a link to the cdev tree. */ static ssize_t -tape_medium_state_show(struct device *dev, char *buf) +tape_medium_state_show(struct device *dev, struct device_attribute *attr, char *buf) { struct tape_device *tdev; @@ -119,7 +119,7 @@ static DEVICE_ATTR(medium_state, 0444, tape_medium_state_show, NULL); static ssize_t -tape_first_minor_show(struct device *dev, char *buf) +tape_first_minor_show(struct device *dev, struct device_attribute *attr, char *buf) { struct tape_device *tdev; @@ -131,7 +131,7 @@ static DEVICE_ATTR(first_minor, 0444, tape_first_minor_show, NULL); static ssize_t -tape_state_show(struct device *dev, char *buf) +tape_state_show(struct device *dev, struct device_attribute *attr, char *buf) { struct tape_device *tdev; @@ -144,7 +144,7 @@ static DEVICE_ATTR(state, 0444, tape_state_show, NULL); static ssize_t -tape_operation_show(struct device *dev, char *buf) +tape_operation_show(struct device *dev, struct device_attribute *attr, char *buf) { struct tape_device *tdev; ssize_t rc; @@ -171,7 +171,7 @@ static DEVICE_ATTR(operation, 0444, tape_operation_show, NULL); static ssize_t -tape_blocksize_show(struct device *dev, char *buf) +tape_blocksize_show(struct device *dev, struct device_attribute *attr, char *buf) { struct tape_device *tdev; @@ -1186,7 +1186,7 @@ tape_mtop(struct tape_device *device, int mt_op, int mt_count) static int tape_init (void) { - TAPE_DBF_AREA = debug_register ( "tape", 1, 2, 4*sizeof(long)); + TAPE_DBF_AREA = debug_register ( "tape", 2, 2, 4*sizeof(long)); debug_register_view(TAPE_DBF_AREA, &debug_sprintf_view); #ifdef DBF_LIKE_HELL debug_set_level(TAPE_DBF_AREA, 6); diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c index 801d17cca34e..5fec0a10cc3d 100644 --- a/drivers/s390/char/tape_proc.c +++ b/drivers/s390/char/tape_proc.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/seq_file.h> +#include <linux/proc_fs.h> #define TAPE_DBF_AREA tape_core_dbf diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c new file mode 100644 index 000000000000..7f11a608a633 --- /dev/null +++ b/drivers/s390/char/vmcp.c @@ -0,0 +1,219 @@ +/* + * Copyright (C) 2004,2005 IBM Corporation + * Interface implementation for communication with the v/VM control program + * Author(s): Christian Borntraeger <cborntra@de.ibm.com> + * + * + * z/VMs CP offers the possibility to issue commands via the diagnose code 8 + * this driver implements a character device that issues these commands and + * returns the answer of CP. + + * The idea of this driver is based on cpint from Neale Ferguson and #CP in CMS + */ + +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <asm/cpcmd.h> +#include <asm/debug.h> +#include <asm/uaccess.h> +#include "vmcp.h" + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Christian Borntraeger <cborntra@de.ibm.com>"); +MODULE_DESCRIPTION("z/VM CP interface"); + +static debug_info_t *vmcp_debug; + +static int vmcp_open(struct inode *inode, struct file *file) +{ + struct vmcp_session *session; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + session = kmalloc(sizeof(*session), GFP_KERNEL); + if (!session) + return -ENOMEM; + session->bufsize = PAGE_SIZE; + session->response = NULL; + session->resp_size = 0; + init_MUTEX(&session->mutex); + file->private_data = session; + return nonseekable_open(inode, file); +} + +static int vmcp_release(struct inode *inode, struct file *file) +{ + struct vmcp_session *session; + + session = (struct vmcp_session *)file->private_data; + file->private_data = NULL; + free_pages((unsigned long)session->response, get_order(session->bufsize)); + kfree(session); + return 0; +} + +static ssize_t +vmcp_read(struct file *file, char __user * buff, size_t count, loff_t * ppos) +{ + size_t tocopy; + struct vmcp_session *session; + + session = (struct vmcp_session *)file->private_data; + if (down_interruptible(&session->mutex)) + return -ERESTARTSYS; + if (!session->response) { + up(&session->mutex); + return 0; + } + if (*ppos > session->resp_size) { + up(&session->mutex); + return 0; + } + tocopy = min(session->resp_size - (size_t) (*ppos), count); + tocopy = min(tocopy,session->bufsize - (size_t) (*ppos)); + + if (copy_to_user(buff, session->response + (*ppos), tocopy)) { + up(&session->mutex); + return -EFAULT; + } + up(&session->mutex); + *ppos += tocopy; + return tocopy; +} + +static ssize_t +vmcp_write(struct file *file, const char __user * buff, size_t count, + loff_t * ppos) +{ + char *cmd; + struct vmcp_session *session; + + if (count > 240) + return -EINVAL; + cmd = kmalloc(count + 1, GFP_KERNEL); + if (!cmd) + return -ENOMEM; + if (copy_from_user(cmd, buff, count)) { + kfree(cmd); + return -EFAULT; + } + cmd[count] = '\0'; + session = (struct vmcp_session *)file->private_data; + if (down_interruptible(&session->mutex)) + return -ERESTARTSYS; + if (!session->response) + session->response = (char *)__get_free_pages(GFP_KERNEL + | __GFP_REPEAT | GFP_DMA, + get_order(session->bufsize)); + if (!session->response) { + up(&session->mutex); + kfree(cmd); + return -ENOMEM; + } + debug_text_event(vmcp_debug, 1, cmd); + session->resp_size = cpcmd(cmd, session->response, + session->bufsize, + &session->resp_code); + up(&session->mutex); + kfree(cmd); + *ppos = 0; /* reset the file pointer after a command */ + return count; +} + + +/* + * These ioctls are available, as the semantics of the diagnose 8 call + * does not fit very well into a Linux call. Diagnose X'08' is described in + * CP Programming Services SC24-6084-00 + * + * VMCP_GETCODE: gives the CP return code back to user space + * VMCP_SETBUF: sets the response buffer for the next write call. diagnose 8 + * expects adjacent pages in real storage and to make matters worse, we + * dont know the size of the response. Therefore we default to PAGESIZE and + * let userspace to change the response size, if userspace expects a bigger + * response + */ +static long vmcp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct vmcp_session *session; + int temp; + + session = (struct vmcp_session *)file->private_data; + if (down_interruptible(&session->mutex)) + return -ERESTARTSYS; + switch (cmd) { + case VMCP_GETCODE: + temp = session->resp_code; + up(&session->mutex); + return put_user(temp, (int __user *)arg); + case VMCP_SETBUF: + free_pages((unsigned long)session->response, + get_order(session->bufsize)); + session->response=NULL; + temp = get_user(session->bufsize, (int __user *)arg); + if (get_order(session->bufsize) > 8) { + session->bufsize = PAGE_SIZE; + temp = -EINVAL; + } + up(&session->mutex); + return temp; + case VMCP_GETSIZE: + temp = session->resp_size; + up(&session->mutex); + return put_user(temp, (int __user *)arg); + default: + up(&session->mutex); + return -ENOIOCTLCMD; + } +} + +static struct file_operations vmcp_fops = { + .owner = THIS_MODULE, + .open = &vmcp_open, + .release = &vmcp_release, + .read = &vmcp_read, + .llseek = &no_llseek, + .write = &vmcp_write, + .unlocked_ioctl = &vmcp_ioctl, + .compat_ioctl = &vmcp_ioctl +}; + +static struct miscdevice vmcp_dev = { + .name = "vmcp", + .minor = MISC_DYNAMIC_MINOR, + .fops = &vmcp_fops, +}; + +static int __init vmcp_init(void) +{ + int ret; + + if (!MACHINE_IS_VM) { + printk(KERN_WARNING + "z/VM CP interface is only available under z/VM\n"); + return -ENODEV; + } + ret = misc_register(&vmcp_dev); + if (!ret) + printk(KERN_INFO "z/VM CP interface loaded\n"); + else + printk(KERN_WARNING + "z/VM CP interface not loaded. Could not register misc device.\n"); + vmcp_debug = debug_register("vmcp", 1, 1, 240); + debug_register_view(vmcp_debug, &debug_hex_ascii_view); + return ret; +} + +static void __exit vmcp_exit(void) +{ + WARN_ON(misc_deregister(&vmcp_dev) != 0); + debug_unregister(vmcp_debug); + printk(KERN_INFO "z/VM CP interface unloaded.\n"); +} + +module_init(vmcp_init); +module_exit(vmcp_exit); diff --git a/drivers/s390/char/vmcp.h b/drivers/s390/char/vmcp.h new file mode 100644 index 000000000000..87389e730465 --- /dev/null +++ b/drivers/s390/char/vmcp.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2004, 2005 IBM Corporation + * Interface implementation for communication with the v/VM control program + * Version 1.0 + * Author(s): Christian Borntraeger <cborntra@de.ibm.com> + * + * + * z/VMs CP offers the possibility to issue commands via the diagnose code 8 + * this driver implements a character device that issues these commands and + * returns the answer of CP. + * + * The idea of this driver is based on cpint from Neale Ferguson + */ + +#include <asm/semaphore.h> +#include <linux/ioctl.h> + +#define VMCP_GETCODE _IOR(0x10, 1, int) +#define VMCP_SETBUF _IOW(0x10, 2, int) +#define VMCP_GETSIZE _IOR(0x10, 3, int) + +struct vmcp_session { + unsigned int bufsize; + char *response; + int resp_size; + int resp_code; + /* As we use copy_from/to_user, which might * + * sleep and cannot use a spinlock */ + struct semaphore mutex; +}; diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index edf50d2bd10b..491f00c032e8 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -236,7 +236,7 @@ vmlogrdr_get_recording_class_AB(void) { int len,i; printk (KERN_DEBUG "vmlogrdr: query command: %s\n", cp_command); - cpcmd(cp_command, cp_response, sizeof(cp_response)); + cpcmd(cp_command, cp_response, sizeof(cp_response), NULL); printk (KERN_DEBUG "vmlogrdr: response: %s", cp_response); len = strnlen(cp_response,sizeof(cp_response)); // now the parsing @@ -288,7 +288,7 @@ vmlogrdr_recording(struct vmlogrdr_priv_t * logptr, int action, int purge) { printk (KERN_DEBUG "vmlogrdr: recording command: %s\n", cp_command); - cpcmd(cp_command, cp_response, sizeof(cp_response)); + cpcmd(cp_command, cp_response, sizeof(cp_response), NULL); printk (KERN_DEBUG "vmlogrdr: recording response: %s", cp_response); } @@ -301,7 +301,7 @@ vmlogrdr_recording(struct vmlogrdr_priv_t * logptr, int action, int purge) { qid_string); printk (KERN_DEBUG "vmlogrdr: recording command: %s\n", cp_command); - cpcmd(cp_command, cp_response, sizeof(cp_response)); + cpcmd(cp_command, cp_response, sizeof(cp_response), NULL); printk (KERN_DEBUG "vmlogrdr: recording response: %s", cp_response); /* The recording command will usually answer with 'Command complete' @@ -548,7 +548,7 @@ vmlogrdr_read (struct file *filp, char *data, size_t count, loff_t * ppos) } static ssize_t -vmlogrdr_autopurge_store(struct device * dev, const char * buf, size_t count) { +vmlogrdr_autopurge_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t count) { struct vmlogrdr_priv_t *priv = dev->driver_data; ssize_t ret = count; @@ -567,7 +567,7 @@ vmlogrdr_autopurge_store(struct device * dev, const char * buf, size_t count) { static ssize_t -vmlogrdr_autopurge_show(struct device *dev, char *buf) { +vmlogrdr_autopurge_show(struct device *dev, struct device_attribute *attr, char *buf) { struct vmlogrdr_priv_t *priv = dev->driver_data; return sprintf(buf, "%u\n", priv->autopurge); } @@ -578,7 +578,7 @@ static DEVICE_ATTR(autopurge, 0644, vmlogrdr_autopurge_show, static ssize_t -vmlogrdr_purge_store(struct device * dev, const char * buf, size_t count) { +vmlogrdr_purge_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t count) { char cp_command[80]; char cp_response[80]; @@ -607,7 +607,7 @@ vmlogrdr_purge_store(struct device * dev, const char * buf, size_t count) { priv->recording_name); printk (KERN_DEBUG "vmlogrdr: recording command: %s\n", cp_command); - cpcmd(cp_command, cp_response, sizeof(cp_response)); + cpcmd(cp_command, cp_response, sizeof(cp_response), NULL); printk (KERN_DEBUG "vmlogrdr: recording response: %s", cp_response); @@ -619,7 +619,7 @@ static DEVICE_ATTR(purge, 0200, NULL, vmlogrdr_purge_store); static ssize_t -vmlogrdr_autorecording_store(struct device *dev, const char *buf, +vmlogrdr_autorecording_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct vmlogrdr_priv_t *priv = dev->driver_data; ssize_t ret = count; @@ -639,7 +639,7 @@ vmlogrdr_autorecording_store(struct device *dev, const char *buf, static ssize_t -vmlogrdr_autorecording_show(struct device *dev, char *buf) { +vmlogrdr_autorecording_show(struct device *dev, struct device_attribute *attr, char *buf) { struct vmlogrdr_priv_t *priv = dev->driver_data; return sprintf(buf, "%u\n", priv->autorecording); } @@ -650,7 +650,7 @@ static DEVICE_ATTR(autorecording, 0644, vmlogrdr_autorecording_show, static ssize_t -vmlogrdr_recording_store(struct device * dev, const char * buf, size_t count) { +vmlogrdr_recording_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t count) { struct vmlogrdr_priv_t *priv = dev->driver_data; ssize_t ret; @@ -682,7 +682,7 @@ vmlogrdr_recording_status_show(struct device_driver *driver, char *buf) { char cp_command[] = "QUERY RECORDING "; int len; - cpcmd(cp_command, buf, 4096); + cpcmd(cp_command, buf, 4096, NULL); len = strlen(buf); return len; } @@ -703,7 +703,7 @@ static struct attribute_group vmlogrdr_attr_group = { .attrs = vmlogrdr_attrs, }; -static struct class_simple *vmlogrdr_class; +static struct class *vmlogrdr_class; static struct device_driver vmlogrdr_driver = { .name = "vmlogrdr", .bus = &iucv_bus, @@ -727,7 +727,7 @@ vmlogrdr_register_driver(void) { goto unregdriver; } - vmlogrdr_class = class_simple_create(THIS_MODULE, "vmlogrdr"); + vmlogrdr_class = class_create(THIS_MODULE, "vmlogrdr"); if (IS_ERR(vmlogrdr_class)) { printk(KERN_ERR "vmlogrdr: failed to create class.\n"); ret=PTR_ERR(vmlogrdr_class); @@ -746,7 +746,7 @@ unregdriver: static void vmlogrdr_unregister_driver(void) { - class_simple_destroy(vmlogrdr_class); + class_destroy(vmlogrdr_class); vmlogrdr_class = NULL; driver_remove_file(&vmlogrdr_driver, &driver_attr_recording_status); driver_unregister(&vmlogrdr_driver); @@ -786,7 +786,7 @@ vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) { device_unregister(dev); return ret; } - priv->class_device = class_simple_device_add( + priv->class_device = class_device_create( vmlogrdr_class, MKDEV(vmlogrdr_major, priv->minor_num), dev, @@ -806,7 +806,7 @@ vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) { static int vmlogrdr_unregister_device(struct vmlogrdr_priv_t *priv ) { - class_simple_device_remove(MKDEV(vmlogrdr_major, priv->minor_num)); + class_device_destroy(vmlogrdr_class, MKDEV(vmlogrdr_major, priv->minor_num)); if (priv->device != NULL) { sysfs_remove_group(&priv->device->kobj, &vmlogrdr_attr_group); device_unregister(priv->device); diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index 4a06c7d0e5e4..aac83ce6469c 100644 --- a/drivers/s390/cio/blacklist.c +++ b/drivers/s390/cio/blacklist.c @@ -1,7 +1,7 @@ /* * drivers/s390/cio/blacklist.c * S/390 common I/O routines -- blacklisting of specific devices - * $Revision: 1.33 $ + * $Revision: 1.34 $ * * Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH, * IBM Corporation @@ -289,7 +289,7 @@ static int cio_ignore_read (char *page, char **start, off_t off, len = 0; for (devno = off; /* abuse the page variable * as counter, see fs/proc/generic.c */ - devno <= __MAX_SUBCHANNELS && len + entry_size < count; devno++) { + devno < __MAX_SUBCHANNELS && len + entry_size < count; devno++) { if (!test_bit(devno, bl_dev)) continue; len += sprintf(page + len, "0.0.%04lx", devno); @@ -302,7 +302,7 @@ static int cio_ignore_read (char *page, char **start, off_t off, len += sprintf(page + len, "\n"); } - if (devno <= __MAX_SUBCHANNELS) + if (devno < __MAX_SUBCHANNELS) *eof = 1; *start = (char *) (devno - off); /* number of checked entries */ return len; diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index 21a75ee28b80..91ea8e4777f3 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -77,7 +77,7 @@ __ccwgroup_remove_symlinks(struct ccwgroup_device *gdev) * longer needed or accidentially created. Saves memory :) */ static ssize_t -ccwgroup_ungroup_store(struct device *dev, const char *buf, size_t count) +ccwgroup_ungroup_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct ccwgroup_device *gdev; @@ -310,7 +310,7 @@ ccwgroup_set_offline(struct ccwgroup_device *gdev) } static ssize_t -ccwgroup_online_store (struct device *dev, const char *buf, size_t count) +ccwgroup_online_store (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct ccwgroup_device *gdev; struct ccwgroup_driver *gdrv; @@ -338,7 +338,7 @@ ccwgroup_online_store (struct device *dev, const char *buf, size_t count) } static ssize_t -ccwgroup_online_show (struct device *dev, char *buf) +ccwgroup_online_show (struct device *dev, struct device_attribute *attr, char *buf) { int online; @@ -403,34 +403,22 @@ ccwgroup_driver_register (struct ccwgroup_driver *cdriver) return driver_register(&cdriver->driver); } -static inline struct device * -__get_next_ccwgroup_device(struct device_driver *drv) +static int +__ccwgroup_driver_unregister_device(struct device *dev, void *data) { - struct device *dev, *d; - - down_read(&drv->bus->subsys.rwsem); - dev = NULL; - list_for_each_entry(d, &drv->devices, driver_list) { - dev = get_device(d); - if (dev) - break; - } - up_read(&drv->bus->subsys.rwsem); - return dev; + __ccwgroup_remove_symlinks(to_ccwgroupdev(dev)); + device_unregister(dev); + put_device(dev); + return 0; } void ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver) { - struct device *dev; - /* We don't want ccwgroup devices to live longer than their driver. */ get_driver(&cdriver->driver); - while ((dev = __get_next_ccwgroup_device(&cdriver->driver))) { - __ccwgroup_remove_symlinks(to_ccwgroupdev(dev)); - device_unregister(dev); - put_device(dev); - }; + driver_for_each_device(&cdriver->driver, NULL, NULL, + __ccwgroup_driver_unregister_device); put_driver(&cdriver->driver); driver_unregister(&cdriver->driver); } @@ -449,7 +437,7 @@ __ccwgroup_get_gdev_by_cdev(struct ccw_device *cdev) if (cdev->dev.driver_data) { gdev = (struct ccwgroup_device *)cdev->dev.driver_data; if (get_device(&gdev->dev)) { - if (!list_empty(&gdev->dev.node)) + if (klist_node_attached(&gdev->dev.knode_bus)) return gdev; put_device(&gdev->dev); } diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index b35fe12e6bfc..b86f94ecd874 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -852,7 +852,7 @@ out: * Files for the channel path entries. */ static ssize_t -chp_status_show(struct device *dev, char *buf) +chp_status_show(struct device *dev, struct device_attribute *attr, char *buf) { struct channel_path *chp = container_of(dev, struct channel_path, dev); @@ -863,7 +863,7 @@ chp_status_show(struct device *dev, char *buf) } static ssize_t -chp_status_write(struct device *dev, const char *buf, size_t count) +chp_status_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct channel_path *cp = container_of(dev, struct channel_path, dev); char cmd[10]; @@ -888,7 +888,7 @@ chp_status_write(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(status, 0644, chp_status_show, chp_status_write); static ssize_t -chp_type_show(struct device *dev, char *buf) +chp_type_show(struct device *dev, struct device_attribute *attr, char *buf) { struct channel_path *chp = container_of(dev, struct channel_path, dev); diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 1d9b3f18d8de..ea813bdce1d6 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -1,7 +1,7 @@ /* * drivers/s390/cio/cio.c * S/390 common I/O routines -- low level i/o calls - * $Revision: 1.133 $ + * $Revision: 1.134 $ * * Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH, * IBM Corporation @@ -63,17 +63,17 @@ __setup ("cio_msg=", cio_setup); static int __init cio_debug_init (void) { - cio_debug_msg_id = debug_register ("cio_msg", 4, 4, 16*sizeof (long)); + cio_debug_msg_id = debug_register ("cio_msg", 16, 4, 16*sizeof (long)); if (!cio_debug_msg_id) goto out_unregister; debug_register_view (cio_debug_msg_id, &debug_sprintf_view); debug_set_level (cio_debug_msg_id, 2); - cio_debug_trace_id = debug_register ("cio_trace", 4, 4, 8); + cio_debug_trace_id = debug_register ("cio_trace", 16, 4, 8); if (!cio_debug_trace_id) goto out_unregister; debug_register_view (cio_debug_trace_id, &debug_hex_ascii_view); debug_set_level (cio_debug_trace_id, 2); - cio_debug_crw_id = debug_register ("cio_crw", 2, 4, 16*sizeof (long)); + cio_debug_crw_id = debug_register ("cio_crw", 4, 4, 16*sizeof (long)); if (!cio_debug_crw_id) goto out_unregister; debug_register_view (cio_debug_crw_id, &debug_sprintf_view); diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c index 49def26ba383..8cc4f1a940dc 100644 --- a/drivers/s390/cio/cmf.c +++ b/drivers/s390/cio/cmf.c @@ -796,7 +796,7 @@ cmb_show_attr(struct device *dev, char *buf, enum cmb_index idx) } static ssize_t -cmb_show_avg_sample_interval(struct device *dev, char *buf) +cmb_show_avg_sample_interval(struct device *dev, struct device_attribute *attr, char *buf) { struct ccw_device *cdev; long interval; @@ -813,7 +813,7 @@ cmb_show_avg_sample_interval(struct device *dev, char *buf) } static ssize_t -cmb_show_avg_utilization(struct device *dev, char *buf) +cmb_show_avg_utilization(struct device *dev, struct device_attribute *attr, char *buf) { struct cmbdata data; u64 utilization; @@ -842,12 +842,12 @@ cmb_show_avg_utilization(struct device *dev, char *buf) } #define cmf_attr(name) \ -static ssize_t show_ ## name (struct device * dev, char * buf) \ +static ssize_t show_ ## name (struct device * dev, struct device_attribute *attr, char * buf) \ { return cmb_show_attr((dev), buf, cmb_ ## name); } \ static DEVICE_ATTR(name, 0444, show_ ## name, NULL); #define cmf_attr_avg(name) \ -static ssize_t show_avg_ ## name (struct device * dev, char * buf) \ +static ssize_t show_avg_ ## name (struct device * dev, struct device_attribute *attr, char * buf) \ { return cmb_show_attr((dev), buf, cmb_ ## name); } \ static DEVICE_ATTR(avg_ ## name, 0444, show_avg_ ## name, NULL); @@ -902,12 +902,12 @@ static struct attribute_group cmf_attr_group_ext = { .attrs = cmf_attributes_ext, }; -static ssize_t cmb_enable_show(struct device *dev, char *buf) +static ssize_t cmb_enable_show(struct device *dev, struct device_attribute *attr, char *buf) { return sprintf(buf, "%d\n", to_ccwdev(dev)->private->cmb ? 1 : 0); } -static ssize_t cmb_enable_store(struct device *dev, const char *buf, size_t c) +static ssize_t cmb_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t c) { struct ccw_device *cdev; int ret; diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 87bd70eeabed..555119cacc27 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -128,34 +128,28 @@ css_probe_device(int irq) return ret; } +static int +check_subchannel(struct device * dev, void * data) +{ + struct subchannel *sch; + int irq = (unsigned long)data; + + sch = to_subchannel(dev); + return (sch->irq == irq); +} + struct subchannel * get_subchannel_by_schid(int irq) { - struct subchannel *sch; - struct list_head *entry; struct device *dev; - if (!get_bus(&css_bus_type)) - return NULL; - down_read(&css_bus_type.subsys.rwsem); - sch = NULL; - list_for_each(entry, &css_bus_type.devices.list) { - dev = get_device(container_of(entry, - struct device, bus_list)); - if (!dev) - continue; - sch = to_subchannel(dev); - if (sch->irq == irq) - break; - put_device(dev); - sch = NULL; - } - up_read(&css_bus_type.subsys.rwsem); - put_bus(&css_bus_type); + dev = bus_find_device(&css_bus_type, NULL, + (void *)(unsigned long)irq, check_subchannel); - return sch; + return dev ? to_subchannel(dev) : NULL; } + static inline int css_get_subchannel_status(struct subchannel *sch, int schid) { diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index df0325505e4e..14c76f5e4177 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -204,7 +204,7 @@ module_exit(cleanup_ccw_bus_type); * TODO: Split chpids and pimpampom up? Where is "in use" in the tree? */ static ssize_t -chpids_show (struct device * dev, char * buf) +chpids_show (struct device * dev, struct device_attribute *attr, char * buf) { struct subchannel *sch = to_subchannel(dev); struct ssd_info *ssd = &sch->ssd_info; @@ -219,7 +219,7 @@ chpids_show (struct device * dev, char * buf) } static ssize_t -pimpampom_show (struct device * dev, char * buf) +pimpampom_show (struct device * dev, struct device_attribute *attr, char * buf) { struct subchannel *sch = to_subchannel(dev); struct pmcw *pmcw = &sch->schib.pmcw; @@ -229,7 +229,7 @@ pimpampom_show (struct device * dev, char * buf) } static ssize_t -devtype_show (struct device *dev, char *buf) +devtype_show (struct device *dev, struct device_attribute *attr, char *buf) { struct ccw_device *cdev = to_ccwdev(dev); struct ccw_device_id *id = &(cdev->id); @@ -242,7 +242,7 @@ devtype_show (struct device *dev, char *buf) } static ssize_t -cutype_show (struct device *dev, char *buf) +cutype_show (struct device *dev, struct device_attribute *attr, char *buf) { struct ccw_device *cdev = to_ccwdev(dev); struct ccw_device_id *id = &(cdev->id); @@ -252,7 +252,7 @@ cutype_show (struct device *dev, char *buf) } static ssize_t -online_show (struct device *dev, char *buf) +online_show (struct device *dev, struct device_attribute *attr, char *buf) { struct ccw_device *cdev = to_ccwdev(dev); @@ -350,7 +350,7 @@ ccw_device_set_online(struct ccw_device *cdev) } static ssize_t -online_store (struct device *dev, const char *buf, size_t count) +online_store (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct ccw_device *cdev = to_ccwdev(dev); int i, force, ret; @@ -422,7 +422,7 @@ online_store (struct device *dev, const char *buf, size_t count) } static ssize_t -available_show (struct device *dev, char *buf) +available_show (struct device *dev, struct device_attribute *attr, char *buf) { struct ccw_device *cdev = to_ccwdev(dev); struct subchannel *sch; @@ -514,36 +514,39 @@ ccw_device_register(struct ccw_device *cdev) return ret; } +struct match_data { + unsigned int devno; + struct ccw_device * sibling; +}; + +static int +match_devno(struct device * dev, void * data) +{ + struct match_data * d = (struct match_data *)data; + struct ccw_device * cdev; + + cdev = to_ccwdev(dev); + if ((cdev->private->state == DEV_STATE_DISCONNECTED) && + (cdev->private->devno == d->devno) && + (cdev != d->sibling)) { + cdev->private->state = DEV_STATE_NOT_OPER; + return 1; + } + return 0; +} + static struct ccw_device * get_disc_ccwdev_by_devno(unsigned int devno, struct ccw_device *sibling) { - struct ccw_device *cdev; - struct list_head *entry; struct device *dev; + struct match_data data = { + .devno = devno, + .sibling = sibling, + }; - if (!get_bus(&ccw_bus_type)) - return NULL; - down_read(&ccw_bus_type.subsys.rwsem); - cdev = NULL; - list_for_each(entry, &ccw_bus_type.devices.list) { - dev = get_device(container_of(entry, - struct device, bus_list)); - if (!dev) - continue; - cdev = to_ccwdev(dev); - if ((cdev->private->state == DEV_STATE_DISCONNECTED) && - (cdev->private->devno == devno) && - (cdev != sibling)) { - cdev->private->state = DEV_STATE_NOT_OPER; - break; - } - put_device(dev); - cdev = NULL; - } - up_read(&ccw_bus_type.subsys.rwsem); - put_bus(&ccw_bus_type); + dev = bus_find_device(&css_bus_type, NULL, &data, match_devno); - return cdev; + return dev ? to_ccwdev(dev) : NULL; } static void @@ -647,7 +650,7 @@ io_subchannel_register(void *data) cdev = (struct ccw_device *) data; sch = to_subchannel(cdev->dev.parent); - if (!list_empty(&sch->dev.children)) { + if (klist_node_attached(&cdev->dev.knode_parent)) { bus_rescan_devices(&ccw_bus_type); goto out; } @@ -1019,30 +1022,29 @@ ccw_device_probe_console(void) /* * get ccw_device matching the busid, but only if owned by cdrv */ +static int +__ccwdev_check_busid(struct device *dev, void *id) +{ + char *bus_id; + + bus_id = (char *)id; + + return (strncmp(bus_id, dev->bus_id, BUS_ID_SIZE) == 0); +} + + struct ccw_device * get_ccwdev_by_busid(struct ccw_driver *cdrv, const char *bus_id) { - struct device *d, *dev; + struct device *dev; struct device_driver *drv; drv = get_driver(&cdrv->driver); if (!drv) - return 0; - - down_read(&drv->bus->subsys.rwsem); - - dev = NULL; - list_for_each_entry(d, &drv->devices, driver_list) { - dev = get_device(d); + return NULL; - if (dev && !strncmp(bus_id, dev->bus_id, BUS_ID_SIZE)) - break; - else if (dev) { - put_device(dev); - dev = NULL; - } - } - up_read(&drv->bus->subsys.rwsem); + dev = driver_find_device(drv, NULL, (void *)bus_id, + __ccwdev_check_busid); put_driver(drv); return dev ? to_ccwdev(dev) : 0; diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index bbe9f45d1438..82194c4eadfb 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -56,7 +56,7 @@ #include "ioasm.h" #include "chsc.h" -#define VERSION_QDIO_C "$Revision: 1.98 $" +#define VERSION_QDIO_C "$Revision: 1.101 $" /****************** MODULE PARAMETER VARIABLES ********************/ MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>"); @@ -3342,7 +3342,7 @@ static int qdio_register_dbf_views(void) { qdio_dbf_setup=debug_register(QDIO_DBF_SETUP_NAME, - QDIO_DBF_SETUP_INDEX, + QDIO_DBF_SETUP_PAGES, QDIO_DBF_SETUP_NR_AREAS, QDIO_DBF_SETUP_LEN); if (!qdio_dbf_setup) @@ -3351,7 +3351,7 @@ qdio_register_dbf_views(void) debug_set_level(qdio_dbf_setup,QDIO_DBF_SETUP_LEVEL); qdio_dbf_sbal=debug_register(QDIO_DBF_SBAL_NAME, - QDIO_DBF_SBAL_INDEX, + QDIO_DBF_SBAL_PAGES, QDIO_DBF_SBAL_NR_AREAS, QDIO_DBF_SBAL_LEN); if (!qdio_dbf_sbal) @@ -3361,7 +3361,7 @@ qdio_register_dbf_views(void) debug_set_level(qdio_dbf_sbal,QDIO_DBF_SBAL_LEVEL); qdio_dbf_sense=debug_register(QDIO_DBF_SENSE_NAME, - QDIO_DBF_SENSE_INDEX, + QDIO_DBF_SENSE_PAGES, QDIO_DBF_SENSE_NR_AREAS, QDIO_DBF_SENSE_LEN); if (!qdio_dbf_sense) @@ -3371,7 +3371,7 @@ qdio_register_dbf_views(void) debug_set_level(qdio_dbf_sense,QDIO_DBF_SENSE_LEVEL); qdio_dbf_trace=debug_register(QDIO_DBF_TRACE_NAME, - QDIO_DBF_TRACE_INDEX, + QDIO_DBF_TRACE_PAGES, QDIO_DBF_TRACE_NR_AREAS, QDIO_DBF_TRACE_LEN); if (!qdio_dbf_trace) @@ -3382,7 +3382,7 @@ qdio_register_dbf_views(void) #ifdef CONFIG_QDIO_DEBUG qdio_dbf_slsb_out=debug_register(QDIO_DBF_SLSB_OUT_NAME, - QDIO_DBF_SLSB_OUT_INDEX, + QDIO_DBF_SLSB_OUT_PAGES, QDIO_DBF_SLSB_OUT_NR_AREAS, QDIO_DBF_SLSB_OUT_LEN); if (!qdio_dbf_slsb_out) @@ -3391,7 +3391,7 @@ qdio_register_dbf_views(void) debug_set_level(qdio_dbf_slsb_out,QDIO_DBF_SLSB_OUT_LEVEL); qdio_dbf_slsb_in=debug_register(QDIO_DBF_SLSB_IN_NAME, - QDIO_DBF_SLSB_IN_INDEX, + QDIO_DBF_SLSB_IN_PAGES, QDIO_DBF_SLSB_IN_NR_AREAS, QDIO_DBF_SLSB_IN_LEN); if (!qdio_dbf_slsb_in) diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index b6daadac4e8b..6b8aa6a852be 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -3,7 +3,7 @@ #include <asm/page.h> -#define VERSION_CIO_QDIO_H "$Revision: 1.32 $" +#define VERSION_CIO_QDIO_H "$Revision: 1.33 $" #ifdef CONFIG_QDIO_DEBUG #define QDIO_VERBOSE_LEVEL 9 @@ -132,7 +132,7 @@ enum qdio_irq_states { #define QDIO_DBF_SETUP_NAME "qdio_setup" #define QDIO_DBF_SETUP_LEN 8 -#define QDIO_DBF_SETUP_INDEX 2 +#define QDIO_DBF_SETUP_PAGES 4 #define QDIO_DBF_SETUP_NR_AREAS 1 #ifdef CONFIG_QDIO_DEBUG #define QDIO_DBF_SETUP_LEVEL 6 @@ -142,7 +142,7 @@ enum qdio_irq_states { #define QDIO_DBF_SBAL_NAME "qdio_labs" /* sbal */ #define QDIO_DBF_SBAL_LEN 256 -#define QDIO_DBF_SBAL_INDEX 2 +#define QDIO_DBF_SBAL_PAGES 4 #define QDIO_DBF_SBAL_NR_AREAS 2 #ifdef CONFIG_QDIO_DEBUG #define QDIO_DBF_SBAL_LEVEL 6 @@ -154,16 +154,16 @@ enum qdio_irq_states { #define QDIO_DBF_TRACE_LEN 8 #define QDIO_DBF_TRACE_NR_AREAS 2 #ifdef CONFIG_QDIO_DEBUG -#define QDIO_DBF_TRACE_INDEX 4 +#define QDIO_DBF_TRACE_PAGES 16 #define QDIO_DBF_TRACE_LEVEL 4 /* -------- could be even more verbose here */ #else /* CONFIG_QDIO_DEBUG */ -#define QDIO_DBF_TRACE_INDEX 2 +#define QDIO_DBF_TRACE_PAGES 4 #define QDIO_DBF_TRACE_LEVEL 2 #endif /* CONFIG_QDIO_DEBUG */ #define QDIO_DBF_SENSE_NAME "qdio_sense" #define QDIO_DBF_SENSE_LEN 64 -#define QDIO_DBF_SENSE_INDEX 1 +#define QDIO_DBF_SENSE_PAGES 2 #define QDIO_DBF_SENSE_NR_AREAS 1 #ifdef CONFIG_QDIO_DEBUG #define QDIO_DBF_SENSE_LEVEL 6 @@ -176,13 +176,13 @@ enum qdio_irq_states { #define QDIO_DBF_SLSB_OUT_NAME "qdio_slsb_out" #define QDIO_DBF_SLSB_OUT_LEN QDIO_MAX_BUFFERS_PER_Q -#define QDIO_DBF_SLSB_OUT_INDEX 8 +#define QDIO_DBF_SLSB_OUT_PAGES 256 #define QDIO_DBF_SLSB_OUT_NR_AREAS 1 #define QDIO_DBF_SLSB_OUT_LEVEL 6 #define QDIO_DBF_SLSB_IN_NAME "qdio_slsb_in" #define QDIO_DBF_SLSB_IN_LEN QDIO_MAX_BUFFERS_PER_Q -#define QDIO_DBF_SLSB_IN_INDEX 8 +#define QDIO_DBF_SLSB_IN_PAGES 256 #define QDIO_DBF_SLSB_IN_NR_AREAS 1 #define QDIO_DBF_SLSB_IN_LEVEL 6 #endif /* CONFIG_QDIO_DEBUG */ diff --git a/drivers/s390/net/Makefile b/drivers/s390/net/Makefile index 7cabb80a2e41..90d4d0ef3dd4 100644 --- a/drivers/s390/net/Makefile +++ b/drivers/s390/net/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_NETIUCV) += netiucv.o fsm.o obj-$(CONFIG_SMSGIUCV) += smsgiucv.o obj-$(CONFIG_CTC) += ctc.o fsm.o cu3088.o obj-$(CONFIG_LCS) += lcs.o cu3088.o -qeth-y := qeth_main.o qeth_mpc.o qeth_sys.o qeth_eddp.o qeth_tso.o +obj-$(CONFIG_CLAW) += claw.o cu3088.o +qeth-y := qeth_main.o qeth_mpc.o qeth_sys.o qeth_eddp.o qeth-$(CONFIG_PROC_FS) += qeth_proc.o obj-$(CONFIG_QETH) += qeth.o diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 06804d39a9c6..60440dbe3a27 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -146,8 +146,8 @@ claw_unregister_debug_facility(void) static int claw_register_debug_facility(void) { - claw_dbf_setup = debug_register("claw_setup", 1, 1, 8); - claw_dbf_trace = debug_register("claw_trace", 1, 2, 8); + claw_dbf_setup = debug_register("claw_setup", 2, 1, 8); + claw_dbf_trace = debug_register("claw_trace", 2, 2, 8); if (claw_dbf_setup == NULL || claw_dbf_trace == NULL) { printk(KERN_WARNING "Not enough memory for debug facility.\n"); claw_unregister_debug_facility(); @@ -241,20 +241,20 @@ static struct sk_buff *claw_pack_skb(struct claw_privbk *privptr); static void dumpit (char *buf, int len); #endif /* sysfs Functions */ -static ssize_t claw_hname_show(struct device *dev, char *buf); -static ssize_t claw_hname_write(struct device *dev, +static ssize_t claw_hname_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t claw_hname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); -static ssize_t claw_adname_show(struct device *dev, char *buf); -static ssize_t claw_adname_write(struct device *dev, +static ssize_t claw_adname_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t claw_adname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); -static ssize_t claw_apname_show(struct device *dev, char *buf); -static ssize_t claw_apname_write(struct device *dev, +static ssize_t claw_apname_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t claw_apname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); -static ssize_t claw_wbuff_show(struct device *dev, char *buf); -static ssize_t claw_wbuff_write(struct device *dev, +static ssize_t claw_wbuff_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t claw_wbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); -static ssize_t claw_rbuff_show(struct device *dev, char *buf); -static ssize_t claw_rbuff_write(struct device *dev, +static ssize_t claw_rbuff_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t claw_rbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); static int claw_add_files(struct device *dev); static void claw_remove_files(struct device *dev); @@ -4149,7 +4149,7 @@ claw_remove_device(struct ccwgroup_device *cgdev) * sysfs attributes */ static ssize_t -claw_hname_show(struct device *dev, char *buf) +claw_hname_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4162,7 +4162,7 @@ claw_hname_show(struct device *dev, char *buf) } static ssize_t -claw_hname_write(struct device *dev, const char *buf, size_t count) +claw_hname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4186,7 +4186,7 @@ claw_hname_write(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(host_name, 0644, claw_hname_show, claw_hname_write); static ssize_t -claw_adname_show(struct device *dev, char *buf) +claw_adname_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4199,7 +4199,7 @@ claw_adname_show(struct device *dev, char *buf) } static ssize_t -claw_adname_write(struct device *dev, const char *buf, size_t count) +claw_adname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4223,7 +4223,7 @@ claw_adname_write(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(adapter_name, 0644, claw_adname_show, claw_adname_write); static ssize_t -claw_apname_show(struct device *dev, char *buf) +claw_apname_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4237,7 +4237,7 @@ claw_apname_show(struct device *dev, char *buf) } static ssize_t -claw_apname_write(struct device *dev, const char *buf, size_t count) +claw_apname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4271,7 +4271,7 @@ claw_apname_write(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(api_type, 0644, claw_apname_show, claw_apname_write); static ssize_t -claw_wbuff_show(struct device *dev, char *buf) +claw_wbuff_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4284,7 +4284,7 @@ claw_wbuff_show(struct device *dev, char *buf) } static ssize_t -claw_wbuff_write(struct device *dev, const char *buf, size_t count) +claw_wbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4312,7 +4312,7 @@ claw_wbuff_write(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(write_buffer, 0644, claw_wbuff_show, claw_wbuff_write); static ssize_t -claw_rbuff_show(struct device *dev, char *buf) +claw_rbuff_show(struct device *dev, struct device_attribute *attr, char *buf) { struct claw_privbk *priv; struct claw_env * p_env; @@ -4325,7 +4325,7 @@ claw_rbuff_show(struct device *dev, char *buf) } static ssize_t -claw_rbuff_write(struct device *dev, const char *buf, size_t count) +claw_rbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct claw_privbk *priv; struct claw_env *p_env; diff --git a/drivers/s390/net/ctcdbug.c b/drivers/s390/net/ctcdbug.c index 2c86bfa11b2f..0e2a8bb93032 100644 --- a/drivers/s390/net/ctcdbug.c +++ b/drivers/s390/net/ctcdbug.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/ctcdbug.c ($Revision: 1.4 $) + * linux/drivers/s390/net/ctcdbug.c ($Revision: 1.6 $) * * CTC / ESCON network driver - s390 dbf exploit. * @@ -9,7 +9,7 @@ * Author(s): Original Code written by * Peter Tiedemann (ptiedem@de.ibm.com) * - * $Revision: 1.4 $ $Date: 2004/08/04 10:11:59 $ + * $Revision: 1.6 $ $Date: 2005/05/11 08:10:17 $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -51,15 +51,15 @@ int ctc_register_dbf_views(void) { ctc_dbf_setup = debug_register(CTC_DBF_SETUP_NAME, - CTC_DBF_SETUP_INDEX, + CTC_DBF_SETUP_PAGES, CTC_DBF_SETUP_NR_AREAS, CTC_DBF_SETUP_LEN); ctc_dbf_data = debug_register(CTC_DBF_DATA_NAME, - CTC_DBF_DATA_INDEX, + CTC_DBF_DATA_PAGES, CTC_DBF_DATA_NR_AREAS, CTC_DBF_DATA_LEN); ctc_dbf_trace = debug_register(CTC_DBF_TRACE_NAME, - CTC_DBF_TRACE_INDEX, + CTC_DBF_TRACE_PAGES, CTC_DBF_TRACE_NR_AREAS, CTC_DBF_TRACE_LEN); diff --git a/drivers/s390/net/ctcdbug.h b/drivers/s390/net/ctcdbug.h index ef8883951720..7d6afa1627c3 100644 --- a/drivers/s390/net/ctcdbug.h +++ b/drivers/s390/net/ctcdbug.h @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/ctcdbug.h ($Revision: 1.4 $) + * linux/drivers/s390/net/ctcdbug.h ($Revision: 1.6 $) * * CTC / ESCON network driver - s390 dbf exploit. * @@ -9,7 +9,7 @@ * Author(s): Original Code written by * Peter Tiedemann (ptiedem@de.ibm.com) * - * $Revision: 1.4 $ $Date: 2004/10/15 09:26:58 $ + * $Revision: 1.6 $ $Date: 2005/05/11 08:10:17 $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -25,27 +25,29 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - +#ifndef _CTCDBUG_H_ +#define _CTCDBUG_H_ #include <asm/debug.h> +#include "ctcmain.h" /** * Debug Facility stuff */ #define CTC_DBF_SETUP_NAME "ctc_setup" #define CTC_DBF_SETUP_LEN 16 -#define CTC_DBF_SETUP_INDEX 3 +#define CTC_DBF_SETUP_PAGES 8 #define CTC_DBF_SETUP_NR_AREAS 1 #define CTC_DBF_SETUP_LEVEL 3 #define CTC_DBF_DATA_NAME "ctc_data" #define CTC_DBF_DATA_LEN 128 -#define CTC_DBF_DATA_INDEX 3 +#define CTC_DBF_DATA_PAGES 8 #define CTC_DBF_DATA_NR_AREAS 1 -#define CTC_DBF_DATA_LEVEL 2 +#define CTC_DBF_DATA_LEVEL 3 #define CTC_DBF_TRACE_NAME "ctc_trace" #define CTC_DBF_TRACE_LEN 16 -#define CTC_DBF_TRACE_INDEX 2 +#define CTC_DBF_TRACE_PAGES 4 #define CTC_DBF_TRACE_NR_AREAS 2 #define CTC_DBF_TRACE_LEVEL 3 @@ -121,3 +123,5 @@ hex_dump(unsigned char *buf, size_t len) printk("\n"); } + +#endif diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c index 7266bf5ea659..96ca863eaff2 100644 --- a/drivers/s390/net/ctcmain.c +++ b/drivers/s390/net/ctcmain.c @@ -1,5 +1,5 @@ /* - * $Id: ctcmain.c,v 1.72 2005/03/17 10:51:52 ptiedem Exp $ + * $Id: ctcmain.c,v 1.74 2005/03/24 09:04:17 mschwide Exp $ * * CTC / ESCON network driver * @@ -37,12 +37,11 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * - * RELEASE-TAG: CTC/ESCON network driver $Revision: 1.72 $ + * RELEASE-TAG: CTC/ESCON network driver $Revision: 1.74 $ * */ #undef DEBUG - #include <linux/module.h> #include <linux/init.h> #include <linux/kernel.h> @@ -74,288 +73,13 @@ #include "ctctty.h" #include "fsm.h" #include "cu3088.h" + #include "ctcdbug.h" +#include "ctcmain.h" MODULE_AUTHOR("(C) 2000 IBM Corp. by Fritz Elfert (felfert@millenux.com)"); MODULE_DESCRIPTION("Linux for S/390 CTC/Escon Driver"); MODULE_LICENSE("GPL"); - -/** - * CCW commands, used in this driver. - */ -#define CCW_CMD_WRITE 0x01 -#define CCW_CMD_READ 0x02 -#define CCW_CMD_SET_EXTENDED 0xc3 -#define CCW_CMD_PREPARE 0xe3 - -#define CTC_PROTO_S390 0 -#define CTC_PROTO_LINUX 1 -#define CTC_PROTO_LINUX_TTY 2 -#define CTC_PROTO_OS390 3 -#define CTC_PROTO_MAX 3 - -#define CTC_BUFSIZE_LIMIT 65535 -#define CTC_BUFSIZE_DEFAULT 32768 - -#define CTC_TIMEOUT_5SEC 5000 - -#define CTC_INITIAL_BLOCKLEN 2 - -#define READ 0 -#define WRITE 1 - -#define CTC_ID_SIZE BUS_ID_SIZE+3 - - -struct ctc_profile { - unsigned long maxmulti; - unsigned long maxcqueue; - unsigned long doios_single; - unsigned long doios_multi; - unsigned long txlen; - unsigned long tx_time; - struct timespec send_stamp; -}; - -/** - * Definition of one channel - */ -struct channel { - - /** - * Pointer to next channel in list. - */ - struct channel *next; - char id[CTC_ID_SIZE]; - struct ccw_device *cdev; - - /** - * Type of this channel. - * CTC/A or Escon for valid channels. - */ - enum channel_types type; - - /** - * Misc. flags. See CHANNEL_FLAGS_... below - */ - __u32 flags; - - /** - * The protocol of this channel - */ - __u16 protocol; - - /** - * I/O and irq related stuff - */ - struct ccw1 *ccw; - struct irb *irb; - - /** - * RX/TX buffer size - */ - int max_bufsize; - - /** - * Transmit/Receive buffer. - */ - struct sk_buff *trans_skb; - - /** - * Universal I/O queue. - */ - struct sk_buff_head io_queue; - - /** - * TX queue for collecting skb's during busy. - */ - struct sk_buff_head collect_queue; - - /** - * Amount of data in collect_queue. - */ - int collect_len; - - /** - * spinlock for collect_queue and collect_len - */ - spinlock_t collect_lock; - - /** - * Timer for detecting unresposive - * I/O operations. - */ - fsm_timer timer; - - /** - * Retry counter for misc. operations. - */ - int retry; - - /** - * The finite state machine of this channel - */ - fsm_instance *fsm; - - /** - * The corresponding net_device this channel - * belongs to. - */ - struct net_device *netdev; - - struct ctc_profile prof; - - unsigned char *trans_skb_data; - - __u16 logflags; -}; - -#define CHANNEL_FLAGS_READ 0 -#define CHANNEL_FLAGS_WRITE 1 -#define CHANNEL_FLAGS_INUSE 2 -#define CHANNEL_FLAGS_BUFSIZE_CHANGED 4 -#define CHANNEL_FLAGS_FAILED 8 -#define CHANNEL_FLAGS_WAITIRQ 16 -#define CHANNEL_FLAGS_RWMASK 1 -#define CHANNEL_DIRECTION(f) (f & CHANNEL_FLAGS_RWMASK) - -#define LOG_FLAG_ILLEGALPKT 1 -#define LOG_FLAG_ILLEGALSIZE 2 -#define LOG_FLAG_OVERRUN 4 -#define LOG_FLAG_NOMEM 8 - -#define CTC_LOGLEVEL_INFO 1 -#define CTC_LOGLEVEL_NOTICE 2 -#define CTC_LOGLEVEL_WARN 4 -#define CTC_LOGLEVEL_EMERG 8 -#define CTC_LOGLEVEL_ERR 16 -#define CTC_LOGLEVEL_DEBUG 32 -#define CTC_LOGLEVEL_CRIT 64 - -#define CTC_LOGLEVEL_DEFAULT \ -(CTC_LOGLEVEL_INFO | CTC_LOGLEVEL_NOTICE | CTC_LOGLEVEL_WARN | CTC_LOGLEVEL_CRIT) - -#define CTC_LOGLEVEL_MAX ((CTC_LOGLEVEL_CRIT<<1)-1) - -static int loglevel = CTC_LOGLEVEL_DEFAULT; - -#define ctc_pr_debug(fmt, arg...) \ -do { if (loglevel & CTC_LOGLEVEL_DEBUG) printk(KERN_DEBUG fmt,##arg); } while (0) - -#define ctc_pr_info(fmt, arg...) \ -do { if (loglevel & CTC_LOGLEVEL_INFO) printk(KERN_INFO fmt,##arg); } while (0) - -#define ctc_pr_notice(fmt, arg...) \ -do { if (loglevel & CTC_LOGLEVEL_NOTICE) printk(KERN_NOTICE fmt,##arg); } while (0) - -#define ctc_pr_warn(fmt, arg...) \ -do { if (loglevel & CTC_LOGLEVEL_WARN) printk(KERN_WARNING fmt,##arg); } while (0) - -#define ctc_pr_emerg(fmt, arg...) \ -do { if (loglevel & CTC_LOGLEVEL_EMERG) printk(KERN_EMERG fmt,##arg); } while (0) - -#define ctc_pr_err(fmt, arg...) \ -do { if (loglevel & CTC_LOGLEVEL_ERR) printk(KERN_ERR fmt,##arg); } while (0) - -#define ctc_pr_crit(fmt, arg...) \ -do { if (loglevel & CTC_LOGLEVEL_CRIT) printk(KERN_CRIT fmt,##arg); } while (0) - -/** - * Linked list of all detected channels. - */ -static struct channel *channels = NULL; - -struct ctc_priv { - struct net_device_stats stats; - unsigned long tbusy; - /** - * The finite state machine of this interface. - */ - fsm_instance *fsm; - /** - * The protocol of this device - */ - __u16 protocol; - /** - * Timer for restarting after I/O Errors - */ - fsm_timer restart_timer; - - int buffer_size; - - struct channel *channel[2]; -}; - -/** - * Definition of our link level header. - */ -struct ll_header { - __u16 length; - __u16 type; - __u16 unused; -}; -#define LL_HEADER_LENGTH (sizeof(struct ll_header)) - -/** - * Compatibility macros for busy handling - * of network devices. - */ -static __inline__ void -ctc_clear_busy(struct net_device * dev) -{ - clear_bit(0, &(((struct ctc_priv *) dev->priv)->tbusy)); - if (((struct ctc_priv *)dev->priv)->protocol != CTC_PROTO_LINUX_TTY) - netif_wake_queue(dev); -} - -static __inline__ int -ctc_test_and_set_busy(struct net_device * dev) -{ - if (((struct ctc_priv *)dev->priv)->protocol != CTC_PROTO_LINUX_TTY) - netif_stop_queue(dev); - return test_and_set_bit(0, &((struct ctc_priv *) dev->priv)->tbusy); -} - -/** - * Print Banner. - */ -static void -print_banner(void) -{ - static int printed = 0; - char vbuf[] = "$Revision: 1.72 $"; - char *version = vbuf; - - if (printed) - return; - if ((version = strchr(version, ':'))) { - char *p = strchr(version + 1, '$'); - if (p) - *p = '\0'; - } else - version = " ??? "; - printk(KERN_INFO "CTC driver Version%s" -#ifdef DEBUG - " (DEBUG-VERSION, " __DATE__ __TIME__ ")" -#endif - " initialized\n", version); - printed = 1; -} - -/** - * Return type of a detected device. - */ -static enum channel_types -get_channel_type(struct ccw_device_id *id) -{ - enum channel_types type = (enum channel_types) id->driver_info; - - if (type == channel_type_ficon) - type = channel_type_escon; - - return type; -} - /** * States of the interface statemachine. */ @@ -371,7 +95,7 @@ enum dev_states { /** * MUST be always the last element!! */ - NR_DEV_STATES + CTC_NR_DEV_STATES }; static const char *dev_state_names[] = { @@ -399,7 +123,7 @@ enum dev_events { /** * MUST be always the last element!! */ - NR_DEV_EVENTS + CTC_NR_DEV_EVENTS }; static const char *dev_event_names[] = { @@ -476,40 +200,6 @@ enum ch_events { NR_CH_EVENTS, }; -static const char *ch_event_names[] = { - "ccw_device success", - "ccw_device busy", - "ccw_device enodev", - "ccw_device ioerr", - "ccw_device unknown", - - "Status ATTN & BUSY", - "Status ATTN", - "Status BUSY", - - "Unit check remote reset", - "Unit check remote system reset", - "Unit check TX timeout", - "Unit check TX parity", - "Unit check Hardware failure", - "Unit check RX parity", - "Unit check ZERO", - "Unit check Unknown", - - "SubChannel check Unknown", - - "Machine check failure", - "Machine check operational", - - "IRQ normal", - "IRQ final", - - "Timer", - - "Start", - "Stop", -}; - /** * States of the channel statemachine. */ @@ -545,6 +235,87 @@ enum ch_states { NR_CH_STATES, }; +static int loglevel = CTC_LOGLEVEL_DEFAULT; + +/** + * Linked list of all detected channels. + */ +static struct channel *channels = NULL; + +/** + * Print Banner. + */ +static void +print_banner(void) +{ + static int printed = 0; + char vbuf[] = "$Revision: 1.74 $"; + char *version = vbuf; + + if (printed) + return; + if ((version = strchr(version, ':'))) { + char *p = strchr(version + 1, '$'); + if (p) + *p = '\0'; + } else + version = " ??? "; + printk(KERN_INFO "CTC driver Version%s" +#ifdef DEBUG + " (DEBUG-VERSION, " __DATE__ __TIME__ ")" +#endif + " initialized\n", version); + printed = 1; +} + +/** + * Return type of a detected device. + */ +static enum channel_types +get_channel_type(struct ccw_device_id *id) +{ + enum channel_types type = (enum channel_types) id->driver_info; + + if (type == channel_type_ficon) + type = channel_type_escon; + + return type; +} + +static const char *ch_event_names[] = { + "ccw_device success", + "ccw_device busy", + "ccw_device enodev", + "ccw_device ioerr", + "ccw_device unknown", + + "Status ATTN & BUSY", + "Status ATTN", + "Status BUSY", + + "Unit check remote reset", + "Unit check remote system reset", + "Unit check TX timeout", + "Unit check TX parity", + "Unit check Hardware failure", + "Unit check RX parity", + "Unit check ZERO", + "Unit check Unknown", + + "SubChannel check Unknown", + + "Machine check failure", + "Machine check operational", + + "IRQ normal", + "IRQ final", + + "Timer", + + "Start", + "Stop", +}; + static const char *ch_state_names[] = { "Idle", "Stopped", @@ -1934,7 +1705,6 @@ add_channel(struct ccw_device *cdev, enum channel_types type) ch->cdev = cdev; snprintf(ch->id, CTC_ID_SIZE, "ch-%s", cdev->dev.bus_id); ch->type = type; - loglevel = CTC_LOGLEVEL_DEFAULT; ch->fsm = init_fsm(ch->id, ch_state_names, ch_event_names, NR_CH_STATES, NR_CH_EVENTS, ch_fsm, CH_FSM_LEN, GFP_KERNEL); @@ -2697,8 +2467,9 @@ ctc_stats(struct net_device * dev) /* * sysfs attributes */ + static ssize_t -buffer_show(struct device *dev, char *buf) +buffer_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ctc_priv *priv; @@ -2710,62 +2481,66 @@ buffer_show(struct device *dev, char *buf) } static ssize_t -buffer_write(struct device *dev, const char *buf, size_t count) +buffer_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct ctc_priv *priv; struct net_device *ndev; int bs1; + char buffer[16]; DBF_TEXT(trace, 3, __FUNCTION__); + DBF_TEXT(trace, 3, buf); priv = dev->driver_data; - if (!priv) + if (!priv) { + DBF_TEXT(trace, 3, "bfnopriv"); return -ENODEV; + } + + sscanf(buf, "%u", &bs1); + if (bs1 > CTC_BUFSIZE_LIMIT) + goto einval; + if (bs1 < (576 + LL_HEADER_LENGTH + 2)) + goto einval; + priv->buffer_size = bs1; // just to overwrite the default + ndev = priv->channel[READ]->netdev; - if (!ndev) + if (!ndev) { + DBF_TEXT(trace, 3, "bfnondev"); return -ENODEV; - sscanf(buf, "%u", &bs1); + } - if (bs1 > CTC_BUFSIZE_LIMIT) - return -EINVAL; if ((ndev->flags & IFF_RUNNING) && (bs1 < (ndev->mtu + LL_HEADER_LENGTH + 2))) - return -EINVAL; - if (bs1 < (576 + LL_HEADER_LENGTH + 2)) - return -EINVAL; + goto einval; - priv->buffer_size = bs1; - priv->channel[READ]->max_bufsize = - priv->channel[WRITE]->max_bufsize = bs1; + priv->channel[READ]->max_bufsize = bs1; + priv->channel[WRITE]->max_bufsize = bs1; if (!(ndev->flags & IFF_RUNNING)) ndev->mtu = bs1 - LL_HEADER_LENGTH - 2; priv->channel[READ]->flags |= CHANNEL_FLAGS_BUFSIZE_CHANGED; priv->channel[WRITE]->flags |= CHANNEL_FLAGS_BUFSIZE_CHANGED; + sprintf(buffer, "%d",priv->buffer_size); + DBF_TEXT(trace, 3, buffer); return count; +einval: + DBF_TEXT(trace, 3, "buff_err"); + return -EINVAL; } static ssize_t -loglevel_show(struct device *dev, char *buf) +loglevel_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct ctc_priv *priv; - - priv = dev->driver_data; - if (!priv) - return -ENODEV; return sprintf(buf, "%d\n", loglevel); } static ssize_t -loglevel_write(struct device *dev, const char *buf, size_t count) +loglevel_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct ctc_priv *priv; int ll1; DBF_TEXT(trace, 5, __FUNCTION__); - priv = dev->driver_data; - if (!priv) - return -ENODEV; sscanf(buf, "%i", &ll1); if ((ll1 > CTC_LOGLEVEL_MAX) || (ll1 < 0)) @@ -2814,7 +2589,7 @@ ctc_print_statistics(struct ctc_priv *priv) } static ssize_t -stats_show(struct device *dev, char *buf) +stats_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ctc_priv *priv = dev->driver_data; if (!priv) @@ -2824,7 +2599,7 @@ stats_show(struct device *dev, char *buf) } static ssize_t -stats_write(struct device *dev, const char *buf, size_t count) +stats_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct ctc_priv *priv = dev->driver_data; if (!priv) @@ -2835,27 +2610,6 @@ stats_write(struct device *dev, const char *buf, size_t count) return count; } -static DEVICE_ATTR(buffer, 0644, buffer_show, buffer_write); -static DEVICE_ATTR(loglevel, 0644, loglevel_show, loglevel_write); -static DEVICE_ATTR(stats, 0644, stats_show, stats_write); - -static int -ctc_add_attributes(struct device *dev) -{ -// device_create_file(dev, &dev_attr_buffer); - device_create_file(dev, &dev_attr_loglevel); - device_create_file(dev, &dev_attr_stats); - return 0; -} - -static void -ctc_remove_attributes(struct device *dev) -{ - device_remove_file(dev, &dev_attr_stats); - device_remove_file(dev, &dev_attr_loglevel); -// device_remove_file(dev, &dev_attr_buffer); -} - static void ctc_netdev_unregister(struct net_device * dev) @@ -2899,54 +2653,8 @@ ctc_free_netdevice(struct net_device * dev, int free_dev) #endif } -/** - * Initialize everything of the net device except the name and the - * channel structs. - */ -static struct net_device * -ctc_init_netdevice(struct net_device * dev, int alloc_device, - struct ctc_priv *privptr) -{ - if (!privptr) - return NULL; - - DBF_TEXT(setup, 3, __FUNCTION__); - if (alloc_device) { - dev = kmalloc(sizeof (struct net_device), GFP_KERNEL); - if (!dev) - return NULL; - memset(dev, 0, sizeof (struct net_device)); - } - - dev->priv = privptr; - privptr->fsm = init_fsm("ctcdev", dev_state_names, - dev_event_names, NR_DEV_STATES, NR_DEV_EVENTS, - dev_fsm, DEV_FSM_LEN, GFP_KERNEL); - if (privptr->fsm == NULL) { - if (alloc_device) - kfree(dev); - return NULL; - } - fsm_newstate(privptr->fsm, DEV_STATE_STOPPED); - fsm_settimer(privptr->fsm, &privptr->restart_timer); - if (dev->mtu == 0) - dev->mtu = CTC_BUFSIZE_DEFAULT - LL_HEADER_LENGTH - 2; - dev->hard_start_xmit = ctc_tx; - dev->open = ctc_open; - dev->stop = ctc_close; - dev->get_stats = ctc_stats; - dev->change_mtu = ctc_change_mtu; - dev->hard_header_len = LL_HEADER_LENGTH + 2; - dev->addr_len = 0; - dev->type = ARPHRD_SLIP; - dev->tx_queue_len = 100; - dev->flags = IFF_POINTOPOINT | IFF_NOARP; - SET_MODULE_OWNER(dev); - return dev; -} - static ssize_t -ctc_proto_show(struct device *dev, char *buf) +ctc_proto_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ctc_priv *priv; @@ -2958,7 +2666,7 @@ ctc_proto_show(struct device *dev, char *buf) } static ssize_t -ctc_proto_store(struct device *dev, const char *buf, size_t count) +ctc_proto_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct ctc_priv *priv; int value; @@ -2977,10 +2685,9 @@ ctc_proto_store(struct device *dev, const char *buf, size_t count) return count; } -static DEVICE_ATTR(protocol, 0644, ctc_proto_show, ctc_proto_store); static ssize_t -ctc_type_show(struct device *dev, char *buf) +ctc_type_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ccwgroup_device *cgdev; @@ -2991,8 +2698,13 @@ ctc_type_show(struct device *dev, char *buf) return sprintf(buf, "%s\n", cu3088_type[cgdev->cdev[0]->id.driver_info]); } +static DEVICE_ATTR(buffer, 0644, buffer_show, buffer_write); +static DEVICE_ATTR(protocol, 0644, ctc_proto_show, ctc_proto_store); static DEVICE_ATTR(type, 0444, ctc_type_show, NULL); +static DEVICE_ATTR(loglevel, 0644, loglevel_show, loglevel_write); +static DEVICE_ATTR(stats, 0644, stats_show, stats_write); + static struct attribute *ctc_attr[] = { &dev_attr_protocol.attr, &dev_attr_type.attr, @@ -3005,6 +2717,21 @@ static struct attribute_group ctc_attr_group = { }; static int +ctc_add_attributes(struct device *dev) +{ + device_create_file(dev, &dev_attr_loglevel); + device_create_file(dev, &dev_attr_stats); + return 0; +} + +static void +ctc_remove_attributes(struct device *dev) +{ + device_remove_file(dev, &dev_attr_stats); + device_remove_file(dev, &dev_attr_loglevel); +} + +static int ctc_add_files(struct device *dev) { pr_debug("%s() called\n", __FUNCTION__); @@ -3028,15 +2755,15 @@ ctc_remove_files(struct device *dev) * * @returns 0 on success, !0 on failure. */ - static int ctc_probe_device(struct ccwgroup_device *cgdev) { struct ctc_priv *priv; int rc; + char buffer[16]; pr_debug("%s() called\n", __FUNCTION__); - DBF_TEXT(trace, 3, __FUNCTION__); + DBF_TEXT(setup, 3, __FUNCTION__); if (!get_device(&cgdev->dev)) return -ENODEV; @@ -3060,10 +2787,70 @@ ctc_probe_device(struct ccwgroup_device *cgdev) cgdev->cdev[1]->handler = ctc_irq_handler; cgdev->dev.driver_data = priv; + sprintf(buffer, "%p", priv); + DBF_TEXT(data, 3, buffer); + + sprintf(buffer, "%u", (unsigned int)sizeof(struct ctc_priv)); + DBF_TEXT(data, 3, buffer); + + sprintf(buffer, "%p", &channels); + DBF_TEXT(data, 3, buffer); + + sprintf(buffer, "%u", (unsigned int)sizeof(struct channel)); + DBF_TEXT(data, 3, buffer); + return 0; } /** + * Initialize everything of the net device except the name and the + * channel structs. + */ +static struct net_device * +ctc_init_netdevice(struct net_device * dev, int alloc_device, + struct ctc_priv *privptr) +{ + if (!privptr) + return NULL; + + DBF_TEXT(setup, 3, __FUNCTION__); + + if (alloc_device) { + dev = kmalloc(sizeof (struct net_device), GFP_KERNEL); + if (!dev) + return NULL; + memset(dev, 0, sizeof (struct net_device)); + } + + dev->priv = privptr; + privptr->fsm = init_fsm("ctcdev", dev_state_names, + dev_event_names, CTC_NR_DEV_STATES, CTC_NR_DEV_EVENTS, + dev_fsm, DEV_FSM_LEN, GFP_KERNEL); + if (privptr->fsm == NULL) { + if (alloc_device) + kfree(dev); + return NULL; + } + fsm_newstate(privptr->fsm, DEV_STATE_STOPPED); + fsm_settimer(privptr->fsm, &privptr->restart_timer); + if (dev->mtu == 0) + dev->mtu = CTC_BUFSIZE_DEFAULT - LL_HEADER_LENGTH - 2; + dev->hard_start_xmit = ctc_tx; + dev->open = ctc_open; + dev->stop = ctc_close; + dev->get_stats = ctc_stats; + dev->change_mtu = ctc_change_mtu; + dev->hard_header_len = LL_HEADER_LENGTH + 2; + dev->addr_len = 0; + dev->type = ARPHRD_SLIP; + dev->tx_queue_len = 100; + dev->flags = IFF_POINTOPOINT | IFF_NOARP; + SET_MODULE_OWNER(dev); + return dev; +} + + +/** * * Setup an interface. * @@ -3081,6 +2868,7 @@ ctc_new_device(struct ccwgroup_device *cgdev) struct ctc_priv *privptr; struct net_device *dev; int ret; + char buffer[16]; pr_debug("%s() called\n", __FUNCTION__); DBF_TEXT(setup, 3, __FUNCTION__); @@ -3089,6 +2877,9 @@ ctc_new_device(struct ccwgroup_device *cgdev) if (!privptr) return -ENODEV; + sprintf(buffer, "%d", privptr->buffer_size); + DBF_TEXT(setup, 3, buffer); + type = get_channel_type(&cgdev->cdev[0]->id); snprintf(read_id, CTC_ID_SIZE, "ch-%s", cgdev->cdev[0]->dev.bus_id); @@ -3177,9 +2968,10 @@ ctc_shutdown_device(struct ccwgroup_device *cgdev) struct ctc_priv *priv; struct net_device *ndev; - DBF_TEXT(trace, 3, __FUNCTION__); + DBF_TEXT(setup, 3, __FUNCTION__); pr_debug("%s() called\n", __FUNCTION__); + priv = cgdev->dev.driver_data; ndev = NULL; if (!priv) @@ -3215,7 +3007,6 @@ ctc_shutdown_device(struct ccwgroup_device *cgdev) channel_remove(priv->channel[READ]); if (priv->channel[WRITE]) channel_remove(priv->channel[WRITE]); - priv->channel[READ] = priv->channel[WRITE] = NULL; return 0; @@ -3228,7 +3019,7 @@ ctc_remove_device(struct ccwgroup_device *cgdev) struct ctc_priv *priv; pr_debug("%s() called\n", __FUNCTION__); - DBF_TEXT(trace, 3, __FUNCTION__); + DBF_TEXT(setup, 3, __FUNCTION__); priv = cgdev->dev.driver_data; if (!priv) @@ -3265,6 +3056,7 @@ static struct ccwgroup_driver ctc_group_driver = { static void __exit ctc_exit(void) { + DBF_TEXT(setup, 3, __FUNCTION__); unregister_cu3088_discipline(&ctc_group_driver); ctc_tty_cleanup(); ctc_unregister_dbf_views(); @@ -3282,6 +3074,10 @@ ctc_init(void) { int ret = 0; + loglevel = CTC_LOGLEVEL_DEFAULT; + + DBF_TEXT(setup, 3, __FUNCTION__); + print_banner(); ret = ctc_register_dbf_views(); diff --git a/drivers/s390/net/ctcmain.h b/drivers/s390/net/ctcmain.h new file mode 100644 index 000000000000..ba3605f16335 --- /dev/null +++ b/drivers/s390/net/ctcmain.h @@ -0,0 +1,276 @@ +/* + * $Id: ctcmain.h,v 1.4 2005/03/24 09:04:17 mschwide Exp $ + * + * CTC / ESCON network driver + * + * Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Author(s): Fritz Elfert (elfert@de.ibm.com, felfert@millenux.com) + Peter Tiedemann (ptiedem@de.ibm.com) + * + * + * Documentation used: + * - Principles of Operation (IBM doc#: SA22-7201-06) + * - Common IO/-Device Commands and Self Description (IBM doc#: SA22-7204-02) + * - Common IO/-Device Commands and Self Description (IBM doc#: SN22-5535) + * - ESCON Channel-to-Channel Adapter (IBM doc#: SA22-7203-00) + * - ESCON I/O Interface (IBM doc#: SA22-7202-029 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * RELEASE-TAG: CTC/ESCON network driver $Revision: 1.4 $ + * + */ + +#ifndef _CTCMAIN_H_ +#define _CTCMAIN_H_ + +#include <asm/ccwdev.h> +#include <asm/ccwgroup.h> + +#include "ctctty.h" +#include "fsm.h" +#include "cu3088.h" + + +/** + * CCW commands, used in this driver. + */ +#define CCW_CMD_WRITE 0x01 +#define CCW_CMD_READ 0x02 +#define CCW_CMD_SET_EXTENDED 0xc3 +#define CCW_CMD_PREPARE 0xe3 + +#define CTC_PROTO_S390 0 +#define CTC_PROTO_LINUX 1 +#define CTC_PROTO_LINUX_TTY 2 +#define CTC_PROTO_OS390 3 +#define CTC_PROTO_MAX 3 + +#define CTC_BUFSIZE_LIMIT 65535 +#define CTC_BUFSIZE_DEFAULT 32768 + +#define CTC_TIMEOUT_5SEC 5000 + +#define CTC_INITIAL_BLOCKLEN 2 + +#define READ 0 +#define WRITE 1 + +#define CTC_ID_SIZE BUS_ID_SIZE+3 + + +struct ctc_profile { + unsigned long maxmulti; + unsigned long maxcqueue; + unsigned long doios_single; + unsigned long doios_multi; + unsigned long txlen; + unsigned long tx_time; + struct timespec send_stamp; +}; + +/** + * Definition of one channel + */ +struct channel { + + /** + * Pointer to next channel in list. + */ + struct channel *next; + char id[CTC_ID_SIZE]; + struct ccw_device *cdev; + + /** + * Type of this channel. + * CTC/A or Escon for valid channels. + */ + enum channel_types type; + + /** + * Misc. flags. See CHANNEL_FLAGS_... below + */ + __u32 flags; + + /** + * The protocol of this channel + */ + __u16 protocol; + + /** + * I/O and irq related stuff + */ + struct ccw1 *ccw; + struct irb *irb; + + /** + * RX/TX buffer size + */ + int max_bufsize; + + /** + * Transmit/Receive buffer. + */ + struct sk_buff *trans_skb; + + /** + * Universal I/O queue. + */ + struct sk_buff_head io_queue; + + /** + * TX queue for collecting skb's during busy. + */ + struct sk_buff_head collect_queue; + + /** + * Amount of data in collect_queue. + */ + int collect_len; + + /** + * spinlock for collect_queue and collect_len + */ + spinlock_t collect_lock; + + /** + * Timer for detecting unresposive + * I/O operations. + */ + fsm_timer timer; + + /** + * Retry counter for misc. operations. + */ + int retry; + + /** + * The finite state machine of this channel + */ + fsm_instance *fsm; + + /** + * The corresponding net_device this channel + * belongs to. + */ + struct net_device *netdev; + + struct ctc_profile prof; + + unsigned char *trans_skb_data; + + __u16 logflags; +}; + +#define CHANNEL_FLAGS_READ 0 +#define CHANNEL_FLAGS_WRITE 1 +#define CHANNEL_FLAGS_INUSE 2 +#define CHANNEL_FLAGS_BUFSIZE_CHANGED 4 +#define CHANNEL_FLAGS_FAILED 8 +#define CHANNEL_FLAGS_WAITIRQ 16 +#define CHANNEL_FLAGS_RWMASK 1 +#define CHANNEL_DIRECTION(f) (f & CHANNEL_FLAGS_RWMASK) + +#define LOG_FLAG_ILLEGALPKT 1 +#define LOG_FLAG_ILLEGALSIZE 2 +#define LOG_FLAG_OVERRUN 4 +#define LOG_FLAG_NOMEM 8 + +#define CTC_LOGLEVEL_INFO 1 +#define CTC_LOGLEVEL_NOTICE 2 +#define CTC_LOGLEVEL_WARN 4 +#define CTC_LOGLEVEL_EMERG 8 +#define CTC_LOGLEVEL_ERR 16 +#define CTC_LOGLEVEL_DEBUG 32 +#define CTC_LOGLEVEL_CRIT 64 + +#define CTC_LOGLEVEL_DEFAULT \ +(CTC_LOGLEVEL_INFO | CTC_LOGLEVEL_NOTICE | CTC_LOGLEVEL_WARN | CTC_LOGLEVEL_CRIT) + +#define CTC_LOGLEVEL_MAX ((CTC_LOGLEVEL_CRIT<<1)-1) + +#define ctc_pr_debug(fmt, arg...) \ +do { if (loglevel & CTC_LOGLEVEL_DEBUG) printk(KERN_DEBUG fmt,##arg); } while (0) + +#define ctc_pr_info(fmt, arg...) \ +do { if (loglevel & CTC_LOGLEVEL_INFO) printk(KERN_INFO fmt,##arg); } while (0) + +#define ctc_pr_notice(fmt, arg...) \ +do { if (loglevel & CTC_LOGLEVEL_NOTICE) printk(KERN_NOTICE fmt,##arg); } while (0) + +#define ctc_pr_warn(fmt, arg...) \ +do { if (loglevel & CTC_LOGLEVEL_WARN) printk(KERN_WARNING fmt,##arg); } while (0) + +#define ctc_pr_emerg(fmt, arg...) \ +do { if (loglevel & CTC_LOGLEVEL_EMERG) printk(KERN_EMERG fmt,##arg); } while (0) + +#define ctc_pr_err(fmt, arg...) \ +do { if (loglevel & CTC_LOGLEVEL_ERR) printk(KERN_ERR fmt,##arg); } while (0) + +#define ctc_pr_crit(fmt, arg...) \ +do { if (loglevel & CTC_LOGLEVEL_CRIT) printk(KERN_CRIT fmt,##arg); } while (0) + +struct ctc_priv { + struct net_device_stats stats; + unsigned long tbusy; + /** + * The finite state machine of this interface. + */ + fsm_instance *fsm; + /** + * The protocol of this device + */ + __u16 protocol; + /** + * Timer for restarting after I/O Errors + */ + fsm_timer restart_timer; + + int buffer_size; + + struct channel *channel[2]; +}; + +/** + * Definition of our link level header. + */ +struct ll_header { + __u16 length; + __u16 type; + __u16 unused; +}; +#define LL_HEADER_LENGTH (sizeof(struct ll_header)) + +/** + * Compatibility macros for busy handling + * of network devices. + */ +static __inline__ void +ctc_clear_busy(struct net_device * dev) +{ + clear_bit(0, &(((struct ctc_priv *) dev->priv)->tbusy)); + if (((struct ctc_priv *)dev->priv)->protocol != CTC_PROTO_LINUX_TTY) + netif_wake_queue(dev); +} + +static __inline__ int +ctc_test_and_set_busy(struct net_device * dev) +{ + if (((struct ctc_priv *)dev->priv)->protocol != CTC_PROTO_LINUX_TTY) + netif_stop_queue(dev); + return test_and_set_bit(0, &((struct ctc_priv *) dev->priv)->tbusy); +} + +#endif diff --git a/drivers/s390/net/ctctty.c b/drivers/s390/net/ctctty.c index 9257d60c7833..3080393e823d 100644 --- a/drivers/s390/net/ctctty.c +++ b/drivers/s390/net/ctctty.c @@ -1,5 +1,5 @@ /* - * $Id: ctctty.c,v 1.26 2004/08/04 11:06:55 mschwide Exp $ + * $Id: ctctty.c,v 1.29 2005/04/05 08:50:44 mschwide Exp $ * * CTC / ESCON network driver, tty interface. * @@ -1056,8 +1056,7 @@ ctc_tty_close(struct tty_struct *tty, struct file *filp) info->tty = 0; tty->closing = 0; if (info->blocked_open) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(HZ/2); + msleep_interruptible(500); wake_up_interruptible(&info->open_wait); } info->flags &= ~(CTC_ASYNC_NORMAL_ACTIVE | CTC_ASYNC_CLOSING); diff --git a/drivers/s390/net/cu3088.c b/drivers/s390/net/cu3088.c index 1b0a9f16024c..0075894c71db 100644 --- a/drivers/s390/net/cu3088.c +++ b/drivers/s390/net/cu3088.c @@ -1,5 +1,5 @@ /* - * $Id: cu3088.c,v 1.34 2004/06/15 13:16:27 pavlic Exp $ + * $Id: cu3088.c,v 1.35 2005/03/30 19:28:52 richtera Exp $ * * CTC / LCS ccw_device driver * @@ -39,6 +39,7 @@ const char *cu3088_type[] = { "FICON channel", "P390 LCS card", "OSA LCS card", + "CLAW channel device", "unknown channel type", "unsupported channel type", }; @@ -51,6 +52,7 @@ static struct ccw_device_id cu3088_ids[] = { { CCW_DEVICE(0x3088, 0x1e), .driver_info = channel_type_ficon }, { CCW_DEVICE(0x3088, 0x01), .driver_info = channel_type_p390 }, { CCW_DEVICE(0x3088, 0x60), .driver_info = channel_type_osa2 }, + { CCW_DEVICE(0x3088, 0x61), .driver_info = channel_type_claw }, { /* end of list */ } }; diff --git a/drivers/s390/net/cu3088.h b/drivers/s390/net/cu3088.h index 0ec49a8b3adc..1753661f702a 100644 --- a/drivers/s390/net/cu3088.h +++ b/drivers/s390/net/cu3088.h @@ -23,6 +23,9 @@ enum channel_types { /* Device is a OSA2 card */ channel_type_osa2, + /* Device is a CLAW channel device */ + channel_type_claw, + /* Device is a channel, but we don't know * anything about it */ channel_type_unknown, diff --git a/drivers/s390/net/iucv.c b/drivers/s390/net/iucv.c index 1ac6563ee3e0..e08e74e16124 100644 --- a/drivers/s390/net/iucv.c +++ b/drivers/s390/net/iucv.c @@ -1,5 +1,5 @@ /* - * $Id: iucv.c,v 1.43 2005/02/09 14:47:43 braunu Exp $ + * $Id: iucv.c,v 1.45 2005/04/26 22:59:06 braunu Exp $ * * IUCV network driver * @@ -29,7 +29,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * - * RELEASE-TAG: IUCV lowlevel driver $Revision: 1.43 $ + * RELEASE-TAG: IUCV lowlevel driver $Revision: 1.45 $ * */ @@ -355,7 +355,7 @@ do { \ static void iucv_banner(void) { - char vbuf[] = "$Revision: 1.43 $"; + char vbuf[] = "$Revision: 1.45 $"; char *version = vbuf; if ((version = strchr(version, ':'))) { @@ -2553,12 +2553,12 @@ EXPORT_SYMBOL (iucv_resume); #endif EXPORT_SYMBOL (iucv_reply_prmmsg); EXPORT_SYMBOL (iucv_send); -#if 0 EXPORT_SYMBOL (iucv_send2way); EXPORT_SYMBOL (iucv_send2way_array); -EXPORT_SYMBOL (iucv_send_array); EXPORT_SYMBOL (iucv_send2way_prmmsg); EXPORT_SYMBOL (iucv_send2way_prmmsg_array); +#if 0 +EXPORT_SYMBOL (iucv_send_array); EXPORT_SYMBOL (iucv_send_prmmsg); EXPORT_SYMBOL (iucv_setmask); #endif diff --git a/drivers/s390/net/iucv.h b/drivers/s390/net/iucv.h index 198330217eff..0c4644d3d2f3 100644 --- a/drivers/s390/net/iucv.h +++ b/drivers/s390/net/iucv.h @@ -37,19 +37,19 @@ */ #define IUCV_DBF_SETUP_NAME "iucv_setup" #define IUCV_DBF_SETUP_LEN 32 -#define IUCV_DBF_SETUP_INDEX 1 +#define IUCV_DBF_SETUP_PAGES 2 #define IUCV_DBF_SETUP_NR_AREAS 1 #define IUCV_DBF_SETUP_LEVEL 3 #define IUCV_DBF_DATA_NAME "iucv_data" #define IUCV_DBF_DATA_LEN 128 -#define IUCV_DBF_DATA_INDEX 1 +#define IUCV_DBF_DATA_PAGES 2 #define IUCV_DBF_DATA_NR_AREAS 1 #define IUCV_DBF_DATA_LEVEL 2 #define IUCV_DBF_TRACE_NAME "iucv_trace" #define IUCV_DBF_TRACE_LEN 16 -#define IUCV_DBF_TRACE_INDEX 2 +#define IUCV_DBF_TRACE_PAGES 4 #define IUCV_DBF_TRACE_NR_AREAS 1 #define IUCV_DBF_TRACE_LEVEL 3 diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 0f76e945b984..46f34ba93ac5 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -11,7 +11,7 @@ * Frank Pavlic (pavlic@de.ibm.com) and * Martin Schwidefsky <schwidefsky@de.ibm.com> * - * $Revision: 1.96 $ $Date: 2004/11/11 13:42:33 $ + * $Revision: 1.99 $ $Date: 2005/05/11 08:10:17 $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -59,7 +59,7 @@ /** * initialization string for output */ -#define VERSION_LCS_C "$Revision: 1.96 $" +#define VERSION_LCS_C "$Revision: 1.99 $" static char version[] __initdata = "LCS driver ("VERSION_LCS_C "/" VERSION_LCS_H ")"; static char debug_buffer[255]; @@ -93,8 +93,8 @@ lcs_unregister_debug_facility(void) static int lcs_register_debug_facility(void) { - lcs_dbf_setup = debug_register("lcs_setup", 1, 1, 8); - lcs_dbf_trace = debug_register("lcs_trace", 1, 2, 8); + lcs_dbf_setup = debug_register("lcs_setup", 2, 1, 8); + lcs_dbf_trace = debug_register("lcs_trace", 2, 2, 8); if (lcs_dbf_setup == NULL || lcs_dbf_trace == NULL) { PRINT_ERR("Not enough memory for debug facility.\n"); lcs_unregister_debug_facility(); @@ -1098,14 +1098,6 @@ lcs_check_multicast_support(struct lcs_card *card) PRINT_ERR("Query IPAssist failed. Assuming unsupported!\n"); return -EOPNOTSUPP; } - /* Print out supported assists: IPv6 */ - PRINT_INFO("LCS device %s %s IPv6 support\n", card->dev->name, - (card->ip_assists_supported & LCS_IPASS_IPV6_SUPPORT) ? - "with" : "without"); - /* Print out supported assist: Multicast */ - PRINT_INFO("LCS device %s %s Multicast support\n", card->dev->name, - (card->ip_assists_supported & LCS_IPASS_MULTICAST_SUPPORT) ? - "with" : "without"); if (card->ip_assists_supported & LCS_IPASS_MULTICAST_SUPPORT) return 0; return -EOPNOTSUPP; @@ -1160,7 +1152,7 @@ list_modified: } } /* re-insert all entries from the failed_list into ipm_list */ - list_for_each_entry(ipm, &failed_list, list) { + list_for_each_entry_safe(ipm, tmp, &failed_list, list) { list_del_init(&ipm->list); list_add_tail(&ipm->list, &card->ipm_list); } @@ -1992,7 +1984,7 @@ lcs_open_device(struct net_device *dev) * show function for portno called by cat or similar things */ static ssize_t -lcs_portno_show (struct device *dev, char *buf) +lcs_portno_show (struct device *dev, struct device_attribute *attr, char *buf) { struct lcs_card *card; @@ -2008,7 +2000,7 @@ lcs_portno_show (struct device *dev, char *buf) * store the value which is piped to file portno */ static ssize_t -lcs_portno_store (struct device *dev, const char *buf, size_t count) +lcs_portno_store (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct lcs_card *card; int value; @@ -2029,7 +2021,7 @@ lcs_portno_store (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(portno, 0644, lcs_portno_show, lcs_portno_store); static ssize_t -lcs_type_show(struct device *dev, char *buf) +lcs_type_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ccwgroup_device *cgdev; @@ -2043,7 +2035,7 @@ lcs_type_show(struct device *dev, char *buf) static DEVICE_ATTR(type, 0444, lcs_type_show, NULL); static ssize_t -lcs_timeout_show(struct device *dev, char *buf) +lcs_timeout_show(struct device *dev, struct device_attribute *attr, char *buf) { struct lcs_card *card; @@ -2053,7 +2045,7 @@ lcs_timeout_show(struct device *dev, char *buf) } static ssize_t -lcs_timeout_store (struct device *dev, const char *buf, size_t count) +lcs_timeout_store (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct lcs_card *card; int value; @@ -2198,30 +2190,39 @@ lcs_new_device(struct ccwgroup_device *ccwgdev) if (!dev) goto out; card->dev = dev; -netdev_out: card->dev->priv = card; card->dev->open = lcs_open_device; card->dev->stop = lcs_stop_device; card->dev->hard_start_xmit = lcs_start_xmit; card->dev->get_stats = lcs_getstats; SET_MODULE_OWNER(dev); - if (lcs_register_netdev(ccwgdev) != 0) - goto out; memcpy(card->dev->dev_addr, card->mac, LCS_MAC_LENGTH); #ifdef CONFIG_IP_MULTICAST if (!lcs_check_multicast_support(card)) card->dev->set_multicast_list = lcs_set_multicast_list; #endif - netif_stop_queue(card->dev); +netdev_out: lcs_set_allowed_threads(card,0xffffffff); if (recover_state == DEV_STATE_RECOVER) { lcs_set_multicast_list(card->dev); card->dev->flags |= IFF_UP; netif_wake_queue(card->dev); card->state = DEV_STATE_UP; - } else + } else { lcs_stopcard(card); + } + if (lcs_register_netdev(ccwgdev) != 0) + goto out; + + /* Print out supported assists: IPv6 */ + PRINT_INFO("LCS device %s %s IPv6 support\n", card->dev->name, + (card->ip_assists_supported & LCS_IPASS_IPV6_SUPPORT) ? + "with" : "without"); + /* Print out supported assist: Multicast */ + PRINT_INFO("LCS device %s %s Multicast support\n", card->dev->name, + (card->ip_assists_supported & LCS_IPASS_MULTICAST_SUPPORT) ? + "with" : "without"); return 0; out: diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c index 16e8e69afb10..69425a7a6e98 100644 --- a/drivers/s390/net/netiucv.c +++ b/drivers/s390/net/netiucv.c @@ -1,5 +1,5 @@ /* - * $Id: netiucv.c,v 1.63 2004/07/27 13:36:05 mschwide Exp $ + * $Id: netiucv.c,v 1.66 2005/05/11 08:10:17 holzheu Exp $ * * IUCV network driver * @@ -30,7 +30,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * - * RELEASE-TAG: IUCV network driver $Revision: 1.63 $ + * RELEASE-TAG: IUCV network driver $Revision: 1.66 $ * */ @@ -391,15 +391,15 @@ static int iucv_register_dbf_views(void) { iucv_dbf_setup = debug_register(IUCV_DBF_SETUP_NAME, - IUCV_DBF_SETUP_INDEX, + IUCV_DBF_SETUP_PAGES, IUCV_DBF_SETUP_NR_AREAS, IUCV_DBF_SETUP_LEN); iucv_dbf_data = debug_register(IUCV_DBF_DATA_NAME, - IUCV_DBF_DATA_INDEX, + IUCV_DBF_DATA_PAGES, IUCV_DBF_DATA_NR_AREAS, IUCV_DBF_DATA_LEN); iucv_dbf_trace = debug_register(IUCV_DBF_TRACE_NAME, - IUCV_DBF_TRACE_INDEX, + IUCV_DBF_TRACE_PAGES, IUCV_DBF_TRACE_NR_AREAS, IUCV_DBF_TRACE_LEN); @@ -1356,7 +1356,7 @@ netiucv_change_mtu (struct net_device * dev, int new_mtu) *****************************************************************************/ static ssize_t -user_show (struct device *dev, char *buf) +user_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1365,7 +1365,7 @@ user_show (struct device *dev, char *buf) } static ssize_t -user_write (struct device *dev, const char *buf, size_t count) +user_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; struct net_device *ndev = priv->conn->netdev; @@ -1422,7 +1422,7 @@ user_write (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(user, 0644, user_show, user_write); static ssize_t -buffer_show (struct device *dev, char *buf) +buffer_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1431,7 +1431,7 @@ buffer_show (struct device *dev, char *buf) } static ssize_t -buffer_write (struct device *dev, const char *buf, size_t count) +buffer_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; struct net_device *ndev = priv->conn->netdev; @@ -1486,7 +1486,7 @@ buffer_write (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(buffer, 0644, buffer_show, buffer_write); static ssize_t -dev_fsm_show (struct device *dev, char *buf) +dev_fsm_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1497,7 +1497,7 @@ dev_fsm_show (struct device *dev, char *buf) static DEVICE_ATTR(device_fsm_state, 0444, dev_fsm_show, NULL); static ssize_t -conn_fsm_show (struct device *dev, char *buf) +conn_fsm_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1508,7 +1508,7 @@ conn_fsm_show (struct device *dev, char *buf) static DEVICE_ATTR(connection_fsm_state, 0444, conn_fsm_show, NULL); static ssize_t -maxmulti_show (struct device *dev, char *buf) +maxmulti_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1517,7 +1517,7 @@ maxmulti_show (struct device *dev, char *buf) } static ssize_t -maxmulti_write (struct device *dev, const char *buf, size_t count) +maxmulti_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; @@ -1529,7 +1529,7 @@ maxmulti_write (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(max_tx_buffer_used, 0644, maxmulti_show, maxmulti_write); static ssize_t -maxcq_show (struct device *dev, char *buf) +maxcq_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1538,7 +1538,7 @@ maxcq_show (struct device *dev, char *buf) } static ssize_t -maxcq_write (struct device *dev, const char *buf, size_t count) +maxcq_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; @@ -1550,7 +1550,7 @@ maxcq_write (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(max_chained_skbs, 0644, maxcq_show, maxcq_write); static ssize_t -sdoio_show (struct device *dev, char *buf) +sdoio_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1559,7 +1559,7 @@ sdoio_show (struct device *dev, char *buf) } static ssize_t -sdoio_write (struct device *dev, const char *buf, size_t count) +sdoio_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; @@ -1571,7 +1571,7 @@ sdoio_write (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(tx_single_write_ops, 0644, sdoio_show, sdoio_write); static ssize_t -mdoio_show (struct device *dev, char *buf) +mdoio_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1580,7 +1580,7 @@ mdoio_show (struct device *dev, char *buf) } static ssize_t -mdoio_write (struct device *dev, const char *buf, size_t count) +mdoio_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; @@ -1592,7 +1592,7 @@ mdoio_write (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(tx_multi_write_ops, 0644, mdoio_show, mdoio_write); static ssize_t -txlen_show (struct device *dev, char *buf) +txlen_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1601,7 +1601,7 @@ txlen_show (struct device *dev, char *buf) } static ssize_t -txlen_write (struct device *dev, const char *buf, size_t count) +txlen_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; @@ -1613,7 +1613,7 @@ txlen_write (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(netto_bytes, 0644, txlen_show, txlen_write); static ssize_t -txtime_show (struct device *dev, char *buf) +txtime_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1622,7 +1622,7 @@ txtime_show (struct device *dev, char *buf) } static ssize_t -txtime_write (struct device *dev, const char *buf, size_t count) +txtime_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; @@ -1634,7 +1634,7 @@ txtime_write (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(max_tx_io_time, 0644, txtime_show, txtime_write); static ssize_t -txpend_show (struct device *dev, char *buf) +txpend_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1643,7 +1643,7 @@ txpend_show (struct device *dev, char *buf) } static ssize_t -txpend_write (struct device *dev, const char *buf, size_t count) +txpend_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; @@ -1655,7 +1655,7 @@ txpend_write (struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(tx_pending, 0644, txpend_show, txpend_write); static ssize_t -txmpnd_show (struct device *dev, char *buf) +txmpnd_show (struct device *dev, struct device_attribute *attr, char *buf) { struct netiucv_priv *priv = dev->driver_data; @@ -1664,7 +1664,7 @@ txmpnd_show (struct device *dev, char *buf) } static ssize_t -txmpnd_write (struct device *dev, const char *buf, size_t count) +txmpnd_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct netiucv_priv *priv = dev->driver_data; @@ -2076,7 +2076,7 @@ DRIVER_ATTR(remove, 0200, NULL, remove_write); static void netiucv_banner(void) { - char vbuf[] = "$Revision: 1.63 $"; + char vbuf[] = "$Revision: 1.66 $"; char *version = vbuf; if ((version = strchr(version, ':'))) { diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h index a341041a6cf7..008e0a5d2eb3 100644 --- a/drivers/s390/net/qeth.h +++ b/drivers/s390/net/qeth.h @@ -24,7 +24,7 @@ #include "qeth_mpc.h" -#define VERSION_QETH_H "$Revision: 1.135 $" +#define VERSION_QETH_H "$Revision: 1.139 $" #ifdef CONFIG_QETH_IPV6 #define QETH_VERSION_IPV6 ":IPv6" @@ -42,44 +42,44 @@ */ #define QETH_DBF_SETUP_NAME "qeth_setup" #define QETH_DBF_SETUP_LEN 8 -#define QETH_DBF_SETUP_INDEX 3 +#define QETH_DBF_SETUP_PAGES 8 #define QETH_DBF_SETUP_NR_AREAS 1 #define QETH_DBF_SETUP_LEVEL 5 #define QETH_DBF_MISC_NAME "qeth_misc" #define QETH_DBF_MISC_LEN 128 -#define QETH_DBF_MISC_INDEX 1 +#define QETH_DBF_MISC_PAGES 2 #define QETH_DBF_MISC_NR_AREAS 1 #define QETH_DBF_MISC_LEVEL 2 #define QETH_DBF_DATA_NAME "qeth_data" #define QETH_DBF_DATA_LEN 96 -#define QETH_DBF_DATA_INDEX 3 +#define QETH_DBF_DATA_PAGES 8 #define QETH_DBF_DATA_NR_AREAS 1 #define QETH_DBF_DATA_LEVEL 2 #define QETH_DBF_CONTROL_NAME "qeth_control" #define QETH_DBF_CONTROL_LEN 256 -#define QETH_DBF_CONTROL_INDEX 3 +#define QETH_DBF_CONTROL_PAGES 8 #define QETH_DBF_CONTROL_NR_AREAS 2 #define QETH_DBF_CONTROL_LEVEL 5 #define QETH_DBF_TRACE_NAME "qeth_trace" #define QETH_DBF_TRACE_LEN 8 -#define QETH_DBF_TRACE_INDEX 2 +#define QETH_DBF_TRACE_PAGES 4 #define QETH_DBF_TRACE_NR_AREAS 2 #define QETH_DBF_TRACE_LEVEL 3 extern debug_info_t *qeth_dbf_trace; #define QETH_DBF_SENSE_NAME "qeth_sense" #define QETH_DBF_SENSE_LEN 64 -#define QETH_DBF_SENSE_INDEX 1 +#define QETH_DBF_SENSE_PAGES 2 #define QETH_DBF_SENSE_NR_AREAS 1 #define QETH_DBF_SENSE_LEVEL 2 #define QETH_DBF_QERR_NAME "qeth_qerr" #define QETH_DBF_QERR_LEN 8 -#define QETH_DBF_QERR_INDEX 1 +#define QETH_DBF_QERR_PAGES 2 #define QETH_DBF_QERR_NR_AREAS 2 #define QETH_DBF_QERR_LEVEL 2 @@ -288,7 +288,8 @@ qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, enum qeth_ipa_funcs func) #define QETH_TX_TIMEOUT 100 * HZ #define QETH_HEADER_SIZE 32 #define MAX_PORTNO 15 -#define QETH_FAKE_LL_LEN ETH_HLEN +#define QETH_FAKE_LL_LEN_ETH ETH_HLEN +#define QETH_FAKE_LL_LEN_TR (sizeof(struct trh_hdr)-TR_MAXRIFLEN+sizeof(struct trllc)) #define QETH_FAKE_LL_V6_ADDR_POS 24 /*IPv6 address autoconfiguration stuff*/ @@ -369,6 +370,25 @@ struct qeth_hdr { } hdr; } __attribute__ ((packed)); +/*TCP Segmentation Offload header*/ +struct qeth_hdr_ext_tso { + __u16 hdr_tot_len; + __u8 imb_hdr_no; + __u8 reserved; + __u8 hdr_type; + __u8 hdr_version; + __u16 hdr_len; + __u32 payload_len; + __u16 mss; + __u16 dg_hdr_len; + __u8 padding[16]; +} __attribute__ ((packed)); + +struct qeth_hdr_tso { + struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ + struct qeth_hdr_ext_tso ext; +} __attribute__ ((packed)); + /* flags for qeth_hdr.flags */ #define QETH_HDR_PASSTHRU 0x10 @@ -866,6 +886,7 @@ qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size) return hdr; } + inline static int qeth_get_hlen(__u8 link_type) { @@ -873,19 +894,19 @@ qeth_get_hlen(__u8 link_type) switch (link_type) { case QETH_LINK_TYPE_HSTR: case QETH_LINK_TYPE_LANE_TR: - return sizeof(struct qeth_hdr) + TR_HLEN; + return sizeof(struct qeth_hdr_tso) + TR_HLEN; default: #ifdef CONFIG_QETH_VLAN - return sizeof(struct qeth_hdr) + VLAN_ETH_HLEN; + return sizeof(struct qeth_hdr_tso) + VLAN_ETH_HLEN; #else - return sizeof(struct qeth_hdr) + ETH_HLEN; + return sizeof(struct qeth_hdr_tso) + ETH_HLEN; #endif } #else /* CONFIG_QETH_IPV6 */ #ifdef CONFIG_QETH_VLAN - return sizeof(struct qeth_hdr) + VLAN_HLEN; + return sizeof(struct qeth_hdr_tso) + VLAN_HLEN; #else - return sizeof(struct qeth_hdr); + return sizeof(struct qeth_hdr_tso); #endif #endif /* CONFIG_QETH_IPV6 */ } diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c index 7ee1c06ed68a..f94f1f25eec6 100644 --- a/drivers/s390/net/qeth_eddp.c +++ b/drivers/s390/net/qeth_eddp.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_eddp.c ($Revision: 1.11 $) + * linux/drivers/s390/net/qeth_eddp.c ($Revision: 1.13 $) * * Enhanced Device Driver Packing (EDDP) support for the qeth driver. * @@ -8,7 +8,7 @@ * * Author(s): Thomas Spatzier <tspat@de.ibm.com> * - * $Revision: 1.11 $ $Date: 2005/03/24 09:04:18 $ + * $Revision: 1.13 $ $Date: 2005/05/04 20:19:18 $ * */ #include <linux/config.h> @@ -85,7 +85,7 @@ void qeth_eddp_buf_release_contexts(struct qeth_qdio_out_buffer *buf) { struct qeth_eddp_context_reference *ref; - + QETH_DBF_TEXT(trace, 6, "eddprctx"); while (!list_empty(&buf->ctx_list)){ ref = list_entry(buf->ctx_list.next, @@ -139,7 +139,7 @@ qeth_eddp_fill_buffer(struct qeth_qdio_out_q *queue, "buffer!\n"); goto out; } - } + } /* check if the whole next skb fits into current buffer */ if ((QETH_MAX_BUFFER_ELEMENTS(queue->card) - buf->next_element_to_fill) @@ -152,7 +152,7 @@ qeth_eddp_fill_buffer(struct qeth_qdio_out_q *queue, * and increment ctx's refcnt */ must_refcnt = 1; continue; - } + } if (must_refcnt){ must_refcnt = 0; if (qeth_eddp_buf_ref_context(buf, ctx)){ @@ -202,40 +202,29 @@ out: return flush_cnt; } -static inline int -qeth_get_skb_data_len(struct sk_buff *skb) -{ - int len = skb->len; - int i; - - for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) - len -= skb_shinfo(skb)->frags[i].size; - return len; -} - static inline void qeth_eddp_create_segment_hdrs(struct qeth_eddp_context *ctx, - struct qeth_eddp_data *eddp) + struct qeth_eddp_data *eddp, int data_len) { u8 *page; int page_remainder; int page_offset; - int hdr_len; + int pkt_len; struct qeth_eddp_element *element; QETH_DBF_TEXT(trace, 5, "eddpcrsh"); page = ctx->pages[ctx->offset >> PAGE_SHIFT]; page_offset = ctx->offset % PAGE_SIZE; element = &ctx->elements[ctx->num_elements]; - hdr_len = eddp->nhl + eddp->thl; + pkt_len = eddp->nhl + eddp->thl + data_len; /* FIXME: layer2 and VLAN !!! */ if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2) - hdr_len += ETH_HLEN; + pkt_len += ETH_HLEN; if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) - hdr_len += VLAN_HLEN; - /* does complete header fit in current page ? */ + pkt_len += VLAN_HLEN; + /* does complete packet fit in current page ? */ page_remainder = PAGE_SIZE - page_offset; - if (page_remainder < (sizeof(struct qeth_hdr) + hdr_len)){ + if (page_remainder < (sizeof(struct qeth_hdr) + pkt_len)){ /* no -> go to start of next page */ ctx->offset += page_remainder; page = ctx->pages[ctx->offset >> PAGE_SHIFT]; @@ -281,7 +270,7 @@ qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len, int left_in_frag; int copy_len; u8 *src; - + QETH_DBF_TEXT(trace, 5, "eddpcdtc"); if (skb_shinfo(eddp->skb)->nr_frags == 0) { memcpy(dst, eddp->skb->data + eddp->skb_offset, len); @@ -292,7 +281,7 @@ qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len, while (len > 0) { if (eddp->frag < 0) { /* we're in skb->data */ - left_in_frag = qeth_get_skb_data_len(eddp->skb) + left_in_frag = (eddp->skb->len - eddp->skb->data_len) - eddp->skb_offset; src = eddp->skb->data + eddp->skb_offset; } else { @@ -424,7 +413,7 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, struct tcphdr *tcph; int data_len; u32 hcsum; - + QETH_DBF_TEXT(trace, 5, "eddpftcp"); eddp->skb_offset = sizeof(struct qeth_hdr) + eddp->nhl + eddp->thl; tcph = eddp->skb->h.th; @@ -464,7 +453,7 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, else hcsum = qeth_eddp_check_tcp6_hdr(eddp, data_len); /* fill the next segment into the context */ - qeth_eddp_create_segment_hdrs(ctx, eddp); + qeth_eddp_create_segment_hdrs(ctx, eddp, data_len); qeth_eddp_create_segment_data_tcp(ctx, eddp, data_len, hcsum); if (eddp->skb_offset >= eddp->skb->len) break; @@ -474,13 +463,13 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, eddp->th.tcp.h.seq += data_len; } } - + static inline int qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, struct sk_buff *skb, struct qeth_hdr *qhdr) { struct qeth_eddp_data *eddp = NULL; - + QETH_DBF_TEXT(trace, 5, "eddpficx"); /* create our segmentation headers and copy original headers */ if (skb->protocol == ETH_P_IP) @@ -520,7 +509,7 @@ qeth_eddp_calc_num_pages(struct qeth_eddp_context *ctx, struct sk_buff *skb, int hdr_len) { int skbs_per_page; - + QETH_DBF_TEXT(trace, 5, "eddpcanp"); /* can we put multiple skbs in one page? */ skbs_per_page = PAGE_SIZE / (skb_shinfo(skb)->tso_size + hdr_len); @@ -600,7 +589,7 @@ qeth_eddp_create_context_tcp(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *qhdr) { struct qeth_eddp_context *ctx = NULL; - + QETH_DBF_TEXT(trace, 5, "creddpct"); if (skb->protocol == ETH_P_IP) ctx = qeth_eddp_create_context_generic(card, skb, diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 607b92542df6..3cb88c770037 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_main.c ($Revision: 1.206 $) + * linux/drivers/s390/net/qeth_main.c ($Revision: 1.214 $) * * Linux on zSeries OSA Express and HiperSockets support * @@ -12,7 +12,7 @@ * Frank Pavlic (pavlic@de.ibm.com) and * Thomas Spatzier <tspat@de.ibm.com> * - * $Revision: 1.206 $ $Date: 2005/03/24 09:04:18 $ + * $Revision: 1.214 $ $Date: 2005/05/04 20:19:18 $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -80,7 +80,7 @@ qeth_eyecatcher(void) #include "qeth_eddp.h" #include "qeth_tso.h" -#define VERSION_QETH_C "$Revision: 1.206 $" +#define VERSION_QETH_C "$Revision: 1.214 $" static const char *version = "qeth S/390 OSA-Express driver"; /** @@ -158,6 +158,9 @@ qeth_irq_tasklet(unsigned long); static int qeth_set_online(struct ccwgroup_device *); +static int +__qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode); + static struct qeth_ipaddr * qeth_get_addr_buffer(enum qeth_prot_versions); @@ -510,10 +513,10 @@ qeth_irq_tasklet(unsigned long data) wake_up(&card->wait_q); } -static int qeth_stop_card(struct qeth_card *); +static int qeth_stop_card(struct qeth_card *, int); static int -qeth_set_offline(struct ccwgroup_device *cgdev) +__qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode) { struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; int rc = 0; @@ -523,7 +526,7 @@ qeth_set_offline(struct ccwgroup_device *cgdev) QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); recover_flag = card->state; - if (qeth_stop_card(card) == -ERESTARTSYS){ + if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){ PRINT_WARN("Stopping card %s interrupted by user!\n", CARD_BUS_ID(card)); return -ERESTARTSYS; @@ -540,6 +543,12 @@ qeth_set_offline(struct ccwgroup_device *cgdev) } static int +qeth_set_offline(struct ccwgroup_device *cgdev) +{ + return __qeth_set_offline(cgdev, 0); +} + +static int qeth_wait_for_threads(struct qeth_card *card, unsigned long threads); @@ -953,8 +962,8 @@ qeth_recover(void *ptr) PRINT_WARN("Recovery of device %s started ...\n", CARD_BUS_ID(card)); card->use_hard_stop = 1; - qeth_set_offline(card->gdev); - rc = qeth_set_online(card->gdev); + __qeth_set_offline(card->gdev,1); + rc = __qeth_set_online(card->gdev,1); if (!rc) PRINT_INFO("Device %s successfully recovered!\n", CARD_BUS_ID(card)); @@ -2152,9 +2161,15 @@ qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, if (!skb_len) return NULL; if (card->options.fake_ll){ - if (!(skb = qeth_get_skb(skb_len + QETH_FAKE_LL_LEN))) - goto no_mem; - skb_pull(skb, QETH_FAKE_LL_LEN); + if(card->dev->type == ARPHRD_IEEE802_TR){ + if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR))) + goto no_mem; + skb_reserve(skb,QETH_FAKE_LL_LEN_TR); + } else { + if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH))) + goto no_mem; + skb_reserve(skb,QETH_FAKE_LL_LEN_ETH); + } } else if (!(skb = qeth_get_skb(skb_len))) goto no_mem; data_ptr = element->addr + offset; @@ -2229,14 +2244,68 @@ qeth_type_trans(struct sk_buff *skb, struct net_device *dev) } static inline void -qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, +qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb, + struct qeth_hdr *hdr) +{ + struct trh_hdr *fake_hdr; + struct trllc *fake_llc; + struct iphdr *ip_hdr; + + QETH_DBF_TEXT(trace,5,"skbfktr"); + skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR; + /* this is a fake ethernet header */ + fake_hdr = (struct trh_hdr *) skb->mac.raw; + + /* the destination MAC address */ + switch (skb->pkt_type){ + case PACKET_MULTICAST: + switch (skb->protocol){ +#ifdef CONFIG_QETH_IPV6 + case __constant_htons(ETH_P_IPV6): + ndisc_mc_map((struct in6_addr *) + skb->data + QETH_FAKE_LL_V6_ADDR_POS, + fake_hdr->daddr, card->dev, 0); + break; +#endif /* CONFIG_QETH_IPV6 */ + case __constant_htons(ETH_P_IP): + ip_hdr = (struct iphdr *)skb->data; + ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr); + break; + default: + memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); + } + break; + case PACKET_BROADCAST: + memset(fake_hdr->daddr, 0xff, TR_ALEN); + break; + default: + memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); + } + /* the source MAC address */ + if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) + memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN); + else + memset(fake_hdr->saddr, 0, TR_ALEN); + fake_hdr->rcf=0; + fake_llc = (struct trllc*)&(fake_hdr->rcf); + fake_llc->dsap = EXTENDED_SAP; + fake_llc->ssap = EXTENDED_SAP; + fake_llc->llc = UI_CMD; + fake_llc->protid[0] = 0; + fake_llc->protid[1] = 0; + fake_llc->protid[2] = 0; + fake_llc->ethertype = ETH_P_IP; +} + +static inline void +qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { struct ethhdr *fake_hdr; struct iphdr *ip_hdr; - QETH_DBF_TEXT(trace,5,"skbfake"); - skb->mac.raw = skb->data - QETH_FAKE_LL_LEN; + QETH_DBF_TEXT(trace,5,"skbfketh"); + skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH; /* this is a fake ethernet header */ fake_hdr = (struct ethhdr *) skb->mac.raw; @@ -2253,10 +2322,7 @@ qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, #endif /* CONFIG_QETH_IPV6 */ case __constant_htons(ETH_P_IP): ip_hdr = (struct iphdr *)skb->data; - if (card->dev->type == ARPHRD_IEEE802_TR) - ip_tr_mc_map(ip_hdr->daddr, fake_hdr->h_dest); - else - ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest); + ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest); break; default: memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); @@ -2278,6 +2344,16 @@ qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, } static inline void +qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, + struct qeth_hdr *hdr) +{ + if (card->dev->type == ARPHRD_IEEE802_TR) + qeth_rebuild_skb_fake_ll_tr(card, skb, hdr); + else + qeth_rebuild_skb_fake_ll_eth(card, skb, hdr); +} + +static inline void qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb, struct qeth_hdr *hdr) { @@ -3440,16 +3516,25 @@ qeth_fake_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, void *daddr, void *saddr, unsigned len) { - struct ethhdr *hdr; + if(dev->type == ARPHRD_IEEE802_TR){ + struct trh_hdr *hdr; + hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR); + memcpy(hdr->saddr, dev->dev_addr, TR_ALEN); + memcpy(hdr->daddr, "FAKELL", TR_ALEN); + return QETH_FAKE_LL_LEN_TR; + + } else { + struct ethhdr *hdr; + hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH); + memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN); + memcpy(hdr->h_dest, "FAKELL", ETH_ALEN); + if (type != ETH_P_802_3) + hdr->h_proto = htons(type); + else + hdr->h_proto = htons(len); + return QETH_FAKE_LL_LEN_ETH; - hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN); - memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN); - memcpy(hdr->h_dest, "FAKELL", ETH_ALEN); - if (type != ETH_P_802_3) - hdr->h_proto = htons(type); - else - hdr->h_proto = htons(len); - return QETH_FAKE_LL_LEN; + } } static inline int @@ -3710,16 +3795,12 @@ static inline int qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb, struct qeth_hdr **hdr, int ipv) { - int rc = 0; #ifdef CONFIG_QETH_VLAN u16 *tag; #endif QETH_DBF_TEXT(trace, 6, "prepskb"); - rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr)); - if (rc) - return rc; #ifdef CONFIG_QETH_VLAN if (card->vlangrp && vlan_tx_tag_present(*skb) && ((ipv == 6) || card->options.layer2) ) { @@ -3882,9 +3963,15 @@ qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16); } } else { /* passthrough */ - if (!memcmp(skb->data + sizeof(struct qeth_hdr), + if((skb->dev->type == ARPHRD_IEEE802_TR) && + !memcmp(skb->data + sizeof(struct qeth_hdr) + + sizeof(__u16), skb->dev->broadcast, 6)) { + hdr->hdr.l3.flags = QETH_CAST_BROADCAST | + QETH_HDR_PASSTHRU; + } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), skb->dev->broadcast, 6)) { /* broadcast? */ - hdr->hdr.l3.flags = QETH_CAST_BROADCAST | QETH_HDR_PASSTHRU; + hdr->hdr.l3.flags = QETH_CAST_BROADCAST | + QETH_HDR_PASSTHRU; } else { hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : @@ -3894,67 +3981,29 @@ qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, } static inline void -__qeth_fill_buffer_frag(struct sk_buff *skb, struct qdio_buffer *buffer, - int *next_element_to_fill) -{ - int length = skb->len; - struct skb_frag_struct *frag; - int fragno; - unsigned long addr; - int element; - int first_lap = 1; - - fragno = skb_shinfo(skb)->nr_frags; /* start with last frag */ - element = *next_element_to_fill + fragno; - while (length > 0) { - if (fragno > 0) { - frag = &skb_shinfo(skb)->frags[fragno - 1]; - addr = (page_to_pfn(frag->page) << PAGE_SHIFT) + - frag->page_offset; - buffer->element[element].addr = (char *)addr; - buffer->element[element].length = frag->size; - length -= frag->size; - if (first_lap) - buffer->element[element].flags = - SBAL_FLAGS_LAST_FRAG; - else - buffer->element[element].flags = - SBAL_FLAGS_MIDDLE_FRAG; - } else { - buffer->element[element].addr = skb->data; - buffer->element[element].length = length; - length = 0; - buffer->element[element].flags = - SBAL_FLAGS_FIRST_FRAG; - } - element--; - fragno--; - first_lap = 0; - } - *next_element_to_fill += skb_shinfo(skb)->nr_frags + 1; -} - -static inline void __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer, - int *next_element_to_fill) + int is_tso, int *next_element_to_fill) { int length = skb->len; int length_here; int element; char *data; - int first_lap = 1; + int first_lap ; element = *next_element_to_fill; data = skb->data; + first_lap = (is_tso == 0 ? 1 : 0); + while (length > 0) { /* length_here is the remaining amount of data in this page */ length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE); if (length < length_here) length_here = length; + buffer->element[element].addr = data; buffer->element[element].length = length_here; length -= length_here; - if (!length){ + if (!length) { if (first_lap) buffer->element[element].flags = 0; else @@ -3981,17 +4030,35 @@ qeth_fill_buffer(struct qeth_qdio_out_q *queue, struct sk_buff *skb) { struct qdio_buffer *buffer; - int flush_cnt = 0; + struct qeth_hdr_tso *hdr; + int flush_cnt = 0, hdr_len, large_send = 0; QETH_DBF_TEXT(trace, 6, "qdfillbf"); + buffer = buf->buffer; atomic_inc(&skb->users); skb_queue_tail(&buf->skb_list, skb); + + hdr = (struct qeth_hdr_tso *) skb->data; + /*check first on TSO ....*/ + if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) { + int element = buf->next_element_to_fill; + + hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len; + /*fill first buffer entry only with header information */ + buffer->element[element].addr = skb->data; + buffer->element[element].length = hdr_len; + buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG; + buf->next_element_to_fill++; + skb->data += hdr_len; + skb->len -= hdr_len; + large_send = 1; + } if (skb_shinfo(skb)->nr_frags == 0) - __qeth_fill_buffer(skb, buffer, + __qeth_fill_buffer(skb, buffer, large_send, (int *)&buf->next_element_to_fill); else - __qeth_fill_buffer_frag(skb, buffer, + __qeth_fill_buffer_frag(skb, buffer, large_send, (int *)&buf->next_element_to_fill); if (!queue->do_pack) { @@ -4184,6 +4251,25 @@ out: } static inline int +qeth_get_elements_no(struct qeth_card *card, void *hdr, struct sk_buff *skb) +{ + int elements_needed = 0; + + if (skb_shinfo(skb)->nr_frags > 0) { + elements_needed = (skb_shinfo(skb)->nr_frags + 1); + } + if (elements_needed == 0 ) + elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) + + skb->len) >> PAGE_SHIFT); + if (elements_needed > QETH_MAX_BUFFER_ELEMENTS(card)){ + PRINT_ERR("qeth_do_send_packet: invalid size of " + "IP packet. Discarded."); + return 0; + } + return elements_needed; +} + +static inline int qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) { int ipv = 0; @@ -4205,7 +4291,11 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) dev_kfree_skb_irq(skb); return 0; } - skb_pull(skb, QETH_FAKE_LL_LEN); + if(card->dev->type == ARPHRD_IEEE802_TR){ + skb_pull(skb, QETH_FAKE_LL_LEN_TR); + } else { + skb_pull(skb, QETH_FAKE_LL_LEN_ETH); + } } } cast_type = qeth_get_cast_type(card, skb); @@ -4221,19 +4311,25 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) if (skb_shinfo(skb)->tso_size) large_send = card->options.large_send; - if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))){ - QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc); - return rc; - } /*are we able to do TSO ? If so ,prepare and send it from here */ if ((large_send == QETH_LARGE_SEND_TSO) && (cast_type == RTN_UNSPEC)) { - rc = qeth_tso_send_packet(card, skb, queue, - ipv, cast_type); - goto do_statistics; + rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type); + if (rc) { + card->stats.tx_dropped++; + card->stats.tx_errors++; + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + elements_needed++; + } else { + if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) { + QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc); + return rc; + } + qeth_fill_header(card, hdr, skb, ipv, cast_type); } - qeth_fill_header(card, hdr, skb, ipv, cast_type); if (large_send == QETH_LARGE_SEND_EDDP) { ctx = qeth_eddp_create_context(card, skb, hdr); if (ctx == NULL) { @@ -4241,7 +4337,7 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) return -EINVAL; } } else { - elements_needed = qeth_get_elements_no(card,(void*) hdr, skb); + elements_needed += qeth_get_elements_no(card,(void*) hdr, skb); if (!elements_needed) return -EINVAL; } @@ -4252,12 +4348,12 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) else rc = qeth_do_send_packet_fast(card, queue, skb, hdr, elements_needed, ctx); -do_statistics: if (!rc){ card->stats.tx_packets++; card->stats.tx_bytes += skb->len; #ifdef CONFIG_QETH_PERF_STATS - if (skb_shinfo(skb)->tso_size) { + if (skb_shinfo(skb)->tso_size && + !(large_send == QETH_LARGE_SEND_NO)) { card->perf_stats.large_send_bytes += skb->len; card->perf_stats.large_send_cnt++; } @@ -7154,7 +7250,7 @@ qeth_wait_for_threads(struct qeth_card *card, unsigned long threads) } static int -qeth_stop_card(struct qeth_card *card) +qeth_stop_card(struct qeth_card *card, int recovery_mode) { int rc = 0; @@ -7167,9 +7263,13 @@ qeth_stop_card(struct qeth_card *card) if (card->read.state == CH_STATE_UP && card->write.state == CH_STATE_UP && (card->state == CARD_STATE_UP)) { - rtnl_lock(); - dev_close(card->dev); - rtnl_unlock(); + if(recovery_mode) { + qeth_stop(card->dev); + } else { + rtnl_lock(); + dev_close(card->dev); + rtnl_unlock(); + } if (!card->use_hard_stop) { __u8 *mac = &card->dev->dev_addr[0]; rc = qeth_layer2_send_delmac(card, mac); @@ -7341,13 +7441,17 @@ qeth_register_netdev(struct qeth_card *card) } static void -qeth_start_again(struct qeth_card *card) +qeth_start_again(struct qeth_card *card, int recovery_mode) { QETH_DBF_TEXT(setup ,2, "startag"); - rtnl_lock(); - dev_open(card->dev); - rtnl_unlock(); + if(recovery_mode) { + qeth_open(card->dev); + } else { + rtnl_lock(); + dev_open(card->dev); + rtnl_unlock(); + } /* this also sets saved unicast addresses */ qeth_set_multicast_list(card->dev); } @@ -7404,7 +7508,7 @@ static void qeth_make_parameters_consistent(struct qeth_card *card) static int -qeth_set_online(struct ccwgroup_device *gdev) +__qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode) { struct qeth_card *card = gdev->dev.driver_data; int rc = 0; @@ -7464,12 +7568,12 @@ qeth_set_online(struct ccwgroup_device *gdev) * we can also use this state for recovery purposes*/ qeth_set_allowed_threads(card, 0xffffffff, 0); if (recover_flag == CARD_STATE_RECOVER) - qeth_start_again(card); + qeth_start_again(card, recovery_mode); qeth_notify_processes(); return 0; out_remove: card->use_hard_stop = 1; - qeth_stop_card(card); + qeth_stop_card(card, 0); ccw_device_set_offline(CARD_DDEV(card)); ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); @@ -7480,6 +7584,12 @@ out_remove: return -ENODEV; } +static int +qeth_set_online(struct ccwgroup_device *gdev) +{ + return __qeth_set_online(gdev, 0); +} + static struct ccw_device_id qeth_ids[] = { {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE}, {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD}, @@ -7529,31 +7639,31 @@ static int qeth_register_dbf_views(void) { qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME, - QETH_DBF_SETUP_INDEX, + QETH_DBF_SETUP_PAGES, QETH_DBF_SETUP_NR_AREAS, QETH_DBF_SETUP_LEN); qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME, - QETH_DBF_MISC_INDEX, + QETH_DBF_MISC_PAGES, QETH_DBF_MISC_NR_AREAS, QETH_DBF_MISC_LEN); qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME, - QETH_DBF_DATA_INDEX, + QETH_DBF_DATA_PAGES, QETH_DBF_DATA_NR_AREAS, QETH_DBF_DATA_LEN); qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME, - QETH_DBF_CONTROL_INDEX, + QETH_DBF_CONTROL_PAGES, QETH_DBF_CONTROL_NR_AREAS, QETH_DBF_CONTROL_LEN); qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME, - QETH_DBF_SENSE_INDEX, + QETH_DBF_SENSE_PAGES, QETH_DBF_SENSE_NR_AREAS, QETH_DBF_SENSE_LEN); qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME, - QETH_DBF_QERR_INDEX, + QETH_DBF_QERR_PAGES, QETH_DBF_QERR_NR_AREAS, QETH_DBF_QERR_LEN); qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME, - QETH_DBF_TRACE_INDEX, + QETH_DBF_TRACE_PAGES, QETH_DBF_TRACE_NR_AREAS, QETH_DBF_TRACE_LEN); diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c index 240348398211..98bedb0cb387 100644 --- a/drivers/s390/net/qeth_sys.c +++ b/drivers/s390/net/qeth_sys.c @@ -30,7 +30,7 @@ const char *VERSION_QETH_SYS_C = "$Revision: 1.51 $"; //low/high watermark static ssize_t -qeth_dev_state_show(struct device *dev, char *buf) +qeth_dev_state_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; if (!card) @@ -58,7 +58,7 @@ qeth_dev_state_show(struct device *dev, char *buf) static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL); static ssize_t -qeth_dev_chpid_show(struct device *dev, char *buf) +qeth_dev_chpid_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; if (!card) @@ -70,7 +70,7 @@ qeth_dev_chpid_show(struct device *dev, char *buf) static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL); static ssize_t -qeth_dev_if_name_show(struct device *dev, char *buf) +qeth_dev_if_name_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; if (!card) @@ -81,7 +81,7 @@ qeth_dev_if_name_show(struct device *dev, char *buf) static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL); static ssize_t -qeth_dev_card_type_show(struct device *dev, char *buf) +qeth_dev_card_type_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; if (!card) @@ -93,7 +93,7 @@ qeth_dev_card_type_show(struct device *dev, char *buf) static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL); static ssize_t -qeth_dev_portno_show(struct device *dev, char *buf) +qeth_dev_portno_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; if (!card) @@ -103,7 +103,7 @@ qeth_dev_portno_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_portno_store(struct device *dev, const char *buf, size_t count) +qeth_dev_portno_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -129,7 +129,7 @@ qeth_dev_portno_store(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store); static ssize_t -qeth_dev_portname_show(struct device *dev, char *buf) +qeth_dev_portname_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; char portname[9] = {0, }; @@ -146,7 +146,7 @@ qeth_dev_portname_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_portname_store(struct device *dev, const char *buf, size_t count) +qeth_dev_portname_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -177,7 +177,7 @@ static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show, qeth_dev_portname_store); static ssize_t -qeth_dev_checksum_show(struct device *dev, char *buf) +qeth_dev_checksum_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -188,7 +188,7 @@ qeth_dev_checksum_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_checksum_store(struct device *dev, const char *buf, size_t count) +qeth_dev_checksum_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -218,7 +218,7 @@ static DEVICE_ATTR(checksumming, 0644, qeth_dev_checksum_show, qeth_dev_checksum_store); static ssize_t -qeth_dev_prioqing_show(struct device *dev, char *buf) +qeth_dev_prioqing_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -237,7 +237,7 @@ qeth_dev_prioqing_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_prioqing_store(struct device *dev, const char *buf, size_t count) +qeth_dev_prioqing_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -290,7 +290,7 @@ static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show, qeth_dev_prioqing_store); static ssize_t -qeth_dev_bufcnt_show(struct device *dev, char *buf) +qeth_dev_bufcnt_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -301,7 +301,7 @@ qeth_dev_bufcnt_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_bufcnt_store(struct device *dev, const char *buf, size_t count) +qeth_dev_bufcnt_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -360,7 +360,7 @@ qeth_dev_route_show(struct qeth_card *card, struct qeth_routing_info *route, } static ssize_t -qeth_dev_route4_show(struct device *dev, char *buf) +qeth_dev_route4_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -410,7 +410,7 @@ qeth_dev_route_store(struct qeth_card *card, struct qeth_routing_info *route, } static ssize_t -qeth_dev_route4_store(struct device *dev, const char *buf, size_t count) +qeth_dev_route4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -425,7 +425,7 @@ static DEVICE_ATTR(route4, 0644, qeth_dev_route4_show, qeth_dev_route4_store); #ifdef CONFIG_QETH_IPV6 static ssize_t -qeth_dev_route6_show(struct device *dev, char *buf) +qeth_dev_route6_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -439,7 +439,7 @@ qeth_dev_route6_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_route6_store(struct device *dev, const char *buf, size_t count) +qeth_dev_route6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -461,7 +461,7 @@ static DEVICE_ATTR(route6, 0644, qeth_dev_route6_show, qeth_dev_route6_store); #endif static ssize_t -qeth_dev_add_hhlen_show(struct device *dev, char *buf) +qeth_dev_add_hhlen_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -472,7 +472,7 @@ qeth_dev_add_hhlen_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_add_hhlen_store(struct device *dev, const char *buf, size_t count) +qeth_dev_add_hhlen_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -499,7 +499,7 @@ static DEVICE_ATTR(add_hhlen, 0644, qeth_dev_add_hhlen_show, qeth_dev_add_hhlen_store); static ssize_t -qeth_dev_fake_ll_show(struct device *dev, char *buf) +qeth_dev_fake_ll_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -510,7 +510,7 @@ qeth_dev_fake_ll_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_fake_ll_store(struct device *dev, const char *buf, size_t count) +qeth_dev_fake_ll_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -536,7 +536,7 @@ static DEVICE_ATTR(fake_ll, 0644, qeth_dev_fake_ll_show, qeth_dev_fake_ll_store); static ssize_t -qeth_dev_fake_broadcast_show(struct device *dev, char *buf) +qeth_dev_fake_broadcast_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -547,7 +547,7 @@ qeth_dev_fake_broadcast_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_fake_broadcast_store(struct device *dev, const char *buf, size_t count) +qeth_dev_fake_broadcast_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -574,7 +574,7 @@ static DEVICE_ATTR(fake_broadcast, 0644, qeth_dev_fake_broadcast_show, qeth_dev_fake_broadcast_store); static ssize_t -qeth_dev_recover_store(struct device *dev, const char *buf, size_t count) +qeth_dev_recover_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -596,7 +596,7 @@ qeth_dev_recover_store(struct device *dev, const char *buf, size_t count) static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store); static ssize_t -qeth_dev_broadcast_mode_show(struct device *dev, char *buf) +qeth_dev_broadcast_mode_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -613,7 +613,7 @@ qeth_dev_broadcast_mode_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_broadcast_mode_store(struct device *dev, const char *buf, size_t count) +qeth_dev_broadcast_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -651,7 +651,7 @@ static DEVICE_ATTR(broadcast_mode, 0644, qeth_dev_broadcast_mode_show, qeth_dev_broadcast_mode_store); static ssize_t -qeth_dev_canonical_macaddr_show(struct device *dev, char *buf) +qeth_dev_canonical_macaddr_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -667,7 +667,7 @@ qeth_dev_canonical_macaddr_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_canonical_macaddr_store(struct device *dev, const char *buf, +qeth_dev_canonical_macaddr_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -703,7 +703,7 @@ static DEVICE_ATTR(canonical_macaddr, 0644, qeth_dev_canonical_macaddr_show, qeth_dev_canonical_macaddr_store); static ssize_t -qeth_dev_layer2_show(struct device *dev, char *buf) +qeth_dev_layer2_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -714,7 +714,7 @@ qeth_dev_layer2_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_layer2_store(struct device *dev, const char *buf, size_t count) +qeth_dev_layer2_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -742,7 +742,7 @@ static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show, qeth_dev_layer2_store); static ssize_t -qeth_dev_large_send_show(struct device *dev, char *buf) +qeth_dev_large_send_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -762,7 +762,7 @@ qeth_dev_large_send_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_large_send_store(struct device *dev, const char *buf, size_t count) +qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; enum qeth_large_send_types type; @@ -832,7 +832,7 @@ qeth_dev_blkt_store(struct qeth_card *card, const char *buf, size_t count, } static ssize_t -qeth_dev_blkt_total_show(struct device *dev, char *buf) +qeth_dev_blkt_total_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -841,7 +841,7 @@ qeth_dev_blkt_total_show(struct device *dev, char *buf) static ssize_t -qeth_dev_blkt_total_store(struct device *dev, const char *buf, size_t count) +qeth_dev_blkt_total_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -855,7 +855,7 @@ static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show, qeth_dev_blkt_total_store); static ssize_t -qeth_dev_blkt_inter_show(struct device *dev, char *buf) +qeth_dev_blkt_inter_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -864,7 +864,7 @@ qeth_dev_blkt_inter_show(struct device *dev, char *buf) static ssize_t -qeth_dev_blkt_inter_store(struct device *dev, const char *buf, size_t count) +qeth_dev_blkt_inter_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -876,7 +876,7 @@ static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show, qeth_dev_blkt_inter_store); static ssize_t -qeth_dev_blkt_inter_jumbo_show(struct device *dev, char *buf) +qeth_dev_blkt_inter_jumbo_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -886,7 +886,7 @@ qeth_dev_blkt_inter_jumbo_show(struct device *dev, char *buf) static ssize_t -qeth_dev_blkt_inter_jumbo_store(struct device *dev, const char *buf, size_t count) +qeth_dev_blkt_inter_jumbo_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -956,7 +956,7 @@ qeth_check_layer2(struct qeth_card *card) static ssize_t -qeth_dev_ipato_enable_show(struct device *dev, char *buf) +qeth_dev_ipato_enable_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -969,7 +969,7 @@ qeth_dev_ipato_enable_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_ipato_enable_store(struct device *dev, const char *buf, size_t count) +qeth_dev_ipato_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -1004,7 +1004,7 @@ static QETH_DEVICE_ATTR(ipato_enable, enable, 0644, qeth_dev_ipato_enable_store); static ssize_t -qeth_dev_ipato_invert4_show(struct device *dev, char *buf) +qeth_dev_ipato_invert4_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -1018,7 +1018,7 @@ qeth_dev_ipato_invert4_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_ipato_invert4_store(struct device *dev, const char *buf, size_t count) +qeth_dev_ipato_invert4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -1084,7 +1084,7 @@ qeth_dev_ipato_add_show(char *buf, struct qeth_card *card, } static ssize_t -qeth_dev_ipato_add4_show(struct device *dev, char *buf) +qeth_dev_ipato_add4_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -1153,7 +1153,7 @@ qeth_dev_ipato_add_store(const char *buf, size_t count, } static ssize_t -qeth_dev_ipato_add4_store(struct device *dev, const char *buf, size_t count) +qeth_dev_ipato_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1186,7 +1186,7 @@ qeth_dev_ipato_del_store(const char *buf, size_t count, } static ssize_t -qeth_dev_ipato_del4_store(struct device *dev, const char *buf, size_t count) +qeth_dev_ipato_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1201,7 +1201,7 @@ static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL, #ifdef CONFIG_QETH_IPV6 static ssize_t -qeth_dev_ipato_invert6_show(struct device *dev, char *buf) +qeth_dev_ipato_invert6_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -1215,7 +1215,7 @@ qeth_dev_ipato_invert6_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_ipato_invert6_store(struct device *dev, const char *buf, size_t count) +qeth_dev_ipato_invert6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; char *tmp; @@ -1247,7 +1247,7 @@ static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644, static ssize_t -qeth_dev_ipato_add6_show(struct device *dev, char *buf) +qeth_dev_ipato_add6_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -1258,7 +1258,7 @@ qeth_dev_ipato_add6_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_ipato_add6_store(struct device *dev, const char *buf, size_t count) +qeth_dev_ipato_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1273,7 +1273,7 @@ static QETH_DEVICE_ATTR(ipato_add6, add6, 0644, qeth_dev_ipato_add6_store); static ssize_t -qeth_dev_ipato_del6_store(struct device *dev, const char *buf, size_t count) +qeth_dev_ipato_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1341,7 +1341,7 @@ qeth_dev_vipa_add_show(char *buf, struct qeth_card *card, } static ssize_t -qeth_dev_vipa_add4_show(struct device *dev, char *buf) +qeth_dev_vipa_add4_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -1381,7 +1381,7 @@ qeth_dev_vipa_add_store(const char *buf, size_t count, } static ssize_t -qeth_dev_vipa_add4_store(struct device *dev, const char *buf, size_t count) +qeth_dev_vipa_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1413,7 +1413,7 @@ qeth_dev_vipa_del_store(const char *buf, size_t count, } static ssize_t -qeth_dev_vipa_del4_store(struct device *dev, const char *buf, size_t count) +qeth_dev_vipa_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1428,7 +1428,7 @@ static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL, #ifdef CONFIG_QETH_IPV6 static ssize_t -qeth_dev_vipa_add6_show(struct device *dev, char *buf) +qeth_dev_vipa_add6_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -1439,7 +1439,7 @@ qeth_dev_vipa_add6_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_vipa_add6_store(struct device *dev, const char *buf, size_t count) +qeth_dev_vipa_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1454,7 +1454,7 @@ static QETH_DEVICE_ATTR(vipa_add6, add6, 0644, qeth_dev_vipa_add6_store); static ssize_t -qeth_dev_vipa_del6_store(struct device *dev, const char *buf, size_t count) +qeth_dev_vipa_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1522,7 +1522,7 @@ qeth_dev_rxip_add_show(char *buf, struct qeth_card *card, } static ssize_t -qeth_dev_rxip_add4_show(struct device *dev, char *buf) +qeth_dev_rxip_add4_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -1562,7 +1562,7 @@ qeth_dev_rxip_add_store(const char *buf, size_t count, } static ssize_t -qeth_dev_rxip_add4_store(struct device *dev, const char *buf, size_t count) +qeth_dev_rxip_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1594,7 +1594,7 @@ qeth_dev_rxip_del_store(const char *buf, size_t count, } static ssize_t -qeth_dev_rxip_del4_store(struct device *dev, const char *buf, size_t count) +qeth_dev_rxip_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1609,7 +1609,7 @@ static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL, #ifdef CONFIG_QETH_IPV6 static ssize_t -qeth_dev_rxip_add6_show(struct device *dev, char *buf) +qeth_dev_rxip_add6_show(struct device *dev, struct device_attribute *attr, char *buf) { struct qeth_card *card = dev->driver_data; @@ -1620,7 +1620,7 @@ qeth_dev_rxip_add6_show(struct device *dev, char *buf) } static ssize_t -qeth_dev_rxip_add6_store(struct device *dev, const char *buf, size_t count) +qeth_dev_rxip_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; @@ -1635,7 +1635,7 @@ static QETH_DEVICE_ATTR(rxip_add6, add6, 0644, qeth_dev_rxip_add6_store); static ssize_t -qeth_dev_rxip_del6_store(struct device *dev, const char *buf, size_t count) +qeth_dev_rxip_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct qeth_card *card = dev->driver_data; diff --git a/drivers/s390/net/qeth_tso.c b/drivers/s390/net/qeth_tso.c deleted file mode 100644 index c91976274e7b..000000000000 --- a/drivers/s390/net/qeth_tso.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * linux/drivers/s390/net/qeth_tso.c ($Revision: 1.6 $) - * - * Header file for qeth TCP Segmentation Offload support. - * - * Copyright 2004 IBM Corporation - * - * Author(s): Frank Pavlic <pavlic@de.ibm.com> - * - * $Revision: 1.6 $ $Date: 2005/03/24 09:04:18 $ - * - */ - -#include <linux/skbuff.h> -#include <linux/tcp.h> -#include <linux/ip.h> -#include <linux/ipv6.h> -#include <net/ip6_checksum.h> -#include "qeth.h" -#include "qeth_mpc.h" -#include "qeth_tso.h" - -/** - * skb already partially prepared - * classic qdio header in skb->data - * */ -static inline struct qeth_hdr_tso * -qeth_tso_prepare_skb(struct qeth_card *card, struct sk_buff **skb) -{ - int rc = 0; - - QETH_DBF_TEXT(trace, 5, "tsoprsk"); - rc = qeth_realloc_headroom(card, skb,sizeof(struct qeth_hdr_ext_tso)); - if (rc) - return NULL; - - return qeth_push_skb(card, skb, sizeof(struct qeth_hdr_ext_tso)); -} - -/** - * fill header for a TSO packet - */ -static inline void -qeth_tso_fill_header(struct qeth_card *card, struct sk_buff *skb) -{ - struct qeth_hdr_tso *hdr; - struct tcphdr *tcph; - struct iphdr *iph; - - QETH_DBF_TEXT(trace, 5, "tsofhdr"); - - hdr = (struct qeth_hdr_tso *) skb->data; - iph = skb->nh.iph; - tcph = skb->h.th; - /*fix header to TSO values ...*/ - hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; - /*set values which are fix for the first approach ...*/ - hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); - hdr->ext.imb_hdr_no = 1; - hdr->ext.hdr_type = 1; - hdr->ext.hdr_version = 1; - hdr->ext.hdr_len = 28; - /*insert non-fix values */ - hdr->ext.mss = skb_shinfo(skb)->tso_size; - hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); - hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - - sizeof(struct qeth_hdr_tso)); -} - -/** - * change some header values as requested by hardware - */ -static inline void -qeth_tso_set_tcpip_header(struct qeth_card *card, struct sk_buff *skb) -{ - struct iphdr *iph; - struct ipv6hdr *ip6h; - struct tcphdr *tcph; - - iph = skb->nh.iph; - ip6h = skb->nh.ipv6h; - tcph = skb->h.th; - - tcph->check = 0; - if (skb->protocol == ETH_P_IPV6) { - ip6h->payload_len = 0; - tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, - 0, IPPROTO_TCP, 0); - return; - } - /*OSA want us to set these values ...*/ - tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, - 0, IPPROTO_TCP, 0); - iph->tot_len = 0; - iph->check = 0; -} - -static inline struct qeth_hdr_tso * -qeth_tso_prepare_packet(struct qeth_card *card, struct sk_buff *skb, - int ipv, int cast_type) -{ - struct qeth_hdr_tso *hdr; - int rc = 0; - - QETH_DBF_TEXT(trace, 5, "tsoprep"); - - /*get headroom for tso qdio header */ - hdr = (struct qeth_hdr_tso *) qeth_tso_prepare_skb(card, &skb); - if (hdr == NULL) { - QETH_DBF_TEXT_(trace, 4, "2err%d", rc); - return NULL; - } - memset(hdr, 0, sizeof(struct qeth_hdr_tso)); - /*fill first 32 bytes of qdio header as used - *FIXME: TSO has two struct members - * with different names but same size - * */ - qeth_fill_header(card, &hdr->hdr, skb, ipv, cast_type); - qeth_tso_fill_header(card, skb); - qeth_tso_set_tcpip_header(card, skb); - return hdr; -} - -static inline int -qeth_tso_get_queue_buffer(struct qeth_qdio_out_q *queue) -{ - struct qeth_qdio_out_buffer *buffer; - int flush_cnt = 0; - - QETH_DBF_TEXT(trace, 5, "tsobuf"); - - /* force to non-packing*/ - if (queue->do_pack) - queue->do_pack = 0; - buffer = &queue->bufs[queue->next_buf_to_fill]; - /* get a new buffer if current is already in use*/ - if ((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) && - (buffer->next_element_to_fill > 0)) { - atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); - queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % - QDIO_MAX_BUFFERS_PER_Q; - flush_cnt++; - } - return flush_cnt; -} - -static inline void -__qeth_tso_fill_buffer_frag(struct qeth_qdio_out_buffer *buf, - struct sk_buff *skb) -{ - struct skb_frag_struct *frag; - struct qdio_buffer *buffer; - int fragno, cnt, element; - unsigned long addr; - - QETH_DBF_TEXT(trace, 6, "tsfilfrg"); - - /*initialize variables ...*/ - fragno = skb_shinfo(skb)->nr_frags; - buffer = buf->buffer; - element = buf->next_element_to_fill; - /*fill buffer elements .....*/ - for (cnt = 0; cnt < fragno; cnt++) { - frag = &skb_shinfo(skb)->frags[cnt]; - addr = (page_to_pfn(frag->page) << PAGE_SHIFT) + - frag->page_offset; - buffer->element[element].addr = (char *)addr; - buffer->element[element].length = frag->size; - if (cnt < (fragno - 1)) - buffer->element[element].flags = - SBAL_FLAGS_MIDDLE_FRAG; - else - buffer->element[element].flags = - SBAL_FLAGS_LAST_FRAG; - element++; - } - buf->next_element_to_fill = element; -} - -static inline int -qeth_tso_fill_buffer(struct qeth_qdio_out_buffer *buf, - struct sk_buff *skb) -{ - int length, length_here, element; - int hdr_len; - struct qdio_buffer *buffer; - struct qeth_hdr_tso *hdr; - char *data; - - QETH_DBF_TEXT(trace, 3, "tsfilbuf"); - - /*increment user count and queue skb ...*/ - atomic_inc(&skb->users); - skb_queue_tail(&buf->skb_list, skb); - - /*initialize all variables...*/ - buffer = buf->buffer; - hdr = (struct qeth_hdr_tso *)skb->data; - hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len; - data = skb->data + hdr_len; - length = skb->len - hdr_len; - element = buf->next_element_to_fill; - /*fill first buffer entry only with header information */ - buffer->element[element].addr = skb->data; - buffer->element[element].length = hdr_len; - buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG; - buf->next_element_to_fill++; - - if (skb_shinfo(skb)->nr_frags > 0) { - __qeth_tso_fill_buffer_frag(buf, skb); - goto out; - } - - /*start filling buffer entries ...*/ - element++; - while (length > 0) { - /* length_here is the remaining amount of data in this page */ - length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE); - if (length < length_here) - length_here = length; - buffer->element[element].addr = data; - buffer->element[element].length = length_here; - length -= length_here; - if (!length) - buffer->element[element].flags = - SBAL_FLAGS_LAST_FRAG; - else - buffer->element[element].flags = - SBAL_FLAGS_MIDDLE_FRAG; - data += length_here; - element++; - } - /*set the buffer to primed ...*/ - buf->next_element_to_fill = element; -out: - atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); - return 1; -} - -int -qeth_tso_send_packet(struct qeth_card *card, struct sk_buff *skb, - struct qeth_qdio_out_q *queue, int ipv, int cast_type) -{ - int flush_cnt = 0; - struct qeth_hdr_tso *hdr; - struct qeth_qdio_out_buffer *buffer; - int start_index; - - QETH_DBF_TEXT(trace, 3, "tsosend"); - - if (!(hdr = qeth_tso_prepare_packet(card, skb, ipv, cast_type))) - return -ENOMEM; - /*check if skb fits in one SBAL ...*/ - if (!(qeth_get_elements_no(card, (void*)hdr, skb))) - return -EINVAL; - /*lock queue, force switching to non-packing and send it ...*/ - while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED, - QETH_OUT_Q_LOCKED, - &queue->state)); - start_index = queue->next_buf_to_fill; - buffer = &queue->bufs[queue->next_buf_to_fill]; - /*check if card is too busy ...*/ - if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){ - card->stats.tx_dropped++; - goto out; - } - /*let's force to non-packing and get a new SBAL*/ - flush_cnt += qeth_tso_get_queue_buffer(queue); - buffer = &queue->bufs[queue->next_buf_to_fill]; - if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) { - card->stats.tx_dropped++; - goto out; - } - flush_cnt += qeth_tso_fill_buffer(buffer, skb); - queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % - QDIO_MAX_BUFFERS_PER_Q; -out: - atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); - if (flush_cnt) - qeth_flush_buffers(queue, 0, start_index, flush_cnt); - /*do some statistics */ - card->stats.tx_packets++; - card->stats.tx_bytes += skb->len; - return 0; -} diff --git a/drivers/s390/net/qeth_tso.h b/drivers/s390/net/qeth_tso.h index 83504dee3f57..ad33e6f466f1 100644 --- a/drivers/s390/net/qeth_tso.h +++ b/drivers/s390/net/qeth_tso.h @@ -1,5 +1,5 @@ /* - * linux/drivers/s390/net/qeth_tso.h ($Revision: 1.4 $) + * linux/drivers/s390/net/qeth_tso.h ($Revision: 1.7 $) * * Header file for qeth TCP Segmentation Offload support. * @@ -7,52 +7,148 @@ * * Author(s): Frank Pavlic <pavlic@de.ibm.com> * - * $Revision: 1.4 $ $Date: 2005/03/24 09:04:18 $ + * $Revision: 1.7 $ $Date: 2005/05/04 20:19:18 $ * */ #ifndef __QETH_TSO_H__ #define __QETH_TSO_H__ +#include <linux/skbuff.h> +#include <linux/tcp.h> +#include <linux/ip.h> +#include <linux/ipv6.h> +#include <net/ip6_checksum.h> +#include "qeth.h" +#include "qeth_mpc.h" -extern int -qeth_tso_send_packet(struct qeth_card *, struct sk_buff *, - struct qeth_qdio_out_q *, int , int); -struct qeth_hdr_ext_tso { - __u16 hdr_tot_len; - __u8 imb_hdr_no; - __u8 reserved; - __u8 hdr_type; - __u8 hdr_version; - __u16 hdr_len; - __u32 payload_len; - __u16 mss; - __u16 dg_hdr_len; - __u8 padding[16]; -} __attribute__ ((packed)); +static inline struct qeth_hdr_tso * +qeth_tso_prepare_skb(struct qeth_card *card, struct sk_buff **skb) +{ + QETH_DBF_TEXT(trace, 5, "tsoprsk"); + return qeth_push_skb(card, skb, sizeof(struct qeth_hdr_tso)); +} + +/** + * fill header for a TSO packet + */ +static inline void +qeth_tso_fill_header(struct qeth_card *card, struct sk_buff *skb) +{ + struct qeth_hdr_tso *hdr; + struct tcphdr *tcph; + struct iphdr *iph; + + QETH_DBF_TEXT(trace, 5, "tsofhdr"); + + hdr = (struct qeth_hdr_tso *) skb->data; + iph = skb->nh.iph; + tcph = skb->h.th; + /*fix header to TSO values ...*/ + hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; + /*set values which are fix for the first approach ...*/ + hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); + hdr->ext.imb_hdr_no = 1; + hdr->ext.hdr_type = 1; + hdr->ext.hdr_version = 1; + hdr->ext.hdr_len = 28; + /*insert non-fix values */ + hdr->ext.mss = skb_shinfo(skb)->tso_size; + hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); + hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - + sizeof(struct qeth_hdr_tso)); +} + +/** + * change some header values as requested by hardware + */ +static inline void +qeth_tso_set_tcpip_header(struct qeth_card *card, struct sk_buff *skb) +{ + struct iphdr *iph; + struct ipv6hdr *ip6h; + struct tcphdr *tcph; -struct qeth_hdr_tso { - struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ - struct qeth_hdr_ext_tso ext; -} __attribute__ ((packed)); + iph = skb->nh.iph; + ip6h = skb->nh.ipv6h; + tcph = skb->h.th; -/*some helper functions*/ + tcph->check = 0; + if (skb->protocol == ETH_P_IPV6) { + ip6h->payload_len = 0; + tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, + 0, IPPROTO_TCP, 0); + return; + } + /*OSA want us to set these values ...*/ + tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, + 0, IPPROTO_TCP, 0); + iph->tot_len = 0; + iph->check = 0; +} static inline int -qeth_get_elements_no(struct qeth_card *card, void *hdr, struct sk_buff *skb) +qeth_tso_prepare_packet(struct qeth_card *card, struct sk_buff *skb, + int ipv, int cast_type) +{ + struct qeth_hdr_tso *hdr; + + QETH_DBF_TEXT(trace, 5, "tsoprep"); + + hdr = (struct qeth_hdr_tso *) qeth_tso_prepare_skb(card, &skb); + if (hdr == NULL) { + QETH_DBF_TEXT(trace, 4, "tsoperr"); + return -ENOMEM; + } + memset(hdr, 0, sizeof(struct qeth_hdr_tso)); + /*fill first 32 bytes of qdio header as used + *FIXME: TSO has two struct members + * with different names but same size + * */ + qeth_fill_header(card, &hdr->hdr, skb, ipv, cast_type); + qeth_tso_fill_header(card, skb); + qeth_tso_set_tcpip_header(card, skb); + return 0; +} + +static inline void +__qeth_fill_buffer_frag(struct sk_buff *skb, struct qdio_buffer *buffer, + int is_tso, int *next_element_to_fill) { - int elements_needed = 0; - - if (skb_shinfo(skb)->nr_frags > 0) - elements_needed = (skb_shinfo(skb)->nr_frags + 1); - if (elements_needed == 0 ) - elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) - + skb->len) >> PAGE_SHIFT); - if (elements_needed > QETH_MAX_BUFFER_ELEMENTS(card)){ - PRINT_ERR("qeth_do_send_packet: invalid size of " - "IP packet. Discarded."); - return 0; + struct skb_frag_struct *frag; + int fragno; + unsigned long addr; + int element, cnt, dlen; + + fragno = skb_shinfo(skb)->nr_frags; + element = *next_element_to_fill; + dlen = 0; + + if (is_tso) + buffer->element[element].flags = + SBAL_FLAGS_MIDDLE_FRAG; + else + buffer->element[element].flags = + SBAL_FLAGS_FIRST_FRAG; + if ( (dlen = (skb->len - skb->data_len)) ) { + buffer->element[element].addr = skb->data; + buffer->element[element].length = dlen; + element++; + } + for (cnt = 0; cnt < fragno; cnt++) { + frag = &skb_shinfo(skb)->frags[cnt]; + addr = (page_to_pfn(frag->page) << PAGE_SHIFT) + + frag->page_offset; + buffer->element[element].addr = (char *)addr; + buffer->element[element].length = frag->size; + if (cnt < (fragno - 1)) + buffer->element[element].flags = + SBAL_FLAGS_MIDDLE_FRAG; + else + buffer->element[element].flags = + SBAL_FLAGS_LAST_FRAG; + element++; } - return elements_needed; + *next_element_to_fill = element; } #endif /* __QETH_TSO_H__ */ diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c index 1e3f7f3c662f..d6469baa7e16 100644 --- a/drivers/s390/net/smsgiucv.c +++ b/drivers/s390/net/smsgiucv.c @@ -138,7 +138,7 @@ static void __exit smsg_exit(void) { if (smsg_handle > 0) { - cpcmd("SET SMSG OFF", 0, 0); + cpcmd("SET SMSG OFF", NULL, 0, NULL); iucv_sever(smsg_pathid, 0); iucv_unregister_program(smsg_handle); driver_unregister(&smsg_driver); @@ -177,7 +177,7 @@ smsg_init(void) smsg_handle = 0; return -EIO; } - cpcmd("SET SMSG IUCV", 0, 0); + cpcmd("SET SMSG IUCV", NULL, 0, NULL); return 0; } diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c index ffa996c8a908..5bb255e02acc 100644 --- a/drivers/s390/s390mach.c +++ b/drivers/s390/s390mach.c @@ -31,14 +31,14 @@ extern void css_reiterate_subchannels(void); extern struct workqueue_struct *slow_path_wq; extern struct work_struct slow_path_work; -static void +static NORET_TYPE void s390_handle_damage(char *msg) { - printk(KERN_EMERG "%s\n", msg); #ifdef CONFIG_SMP smp_send_stop(); #endif disabled_wait((unsigned long) __builtin_return_address(0)); + for(;;); } /* @@ -122,40 +122,39 @@ repeat: return 0; } +struct mcck_struct { + int kill_task; + int channel_report; + int warning; + unsigned long long mcck_code; +}; + +static DEFINE_PER_CPU(struct mcck_struct, cpu_mcck); + /* - * machine check handler. + * Main machine check handler function. Will be called with interrupts enabled + * or disabled and machine checks enabled or disabled. */ void -s390_do_machine_check(void) +s390_handle_mcck(void) { - struct mci *mci; - - mci = (struct mci *) &S390_lowcore.mcck_interruption_code; + unsigned long flags; + struct mcck_struct mcck; - if (mci->sd) /* system damage */ - s390_handle_damage("received system damage machine check\n"); + /* + * Disable machine checks and get the current state of accumulated + * machine checks. Afterwards delete the old state and enable machine + * checks again. + */ + local_irq_save(flags); + local_mcck_disable(); + mcck = __get_cpu_var(cpu_mcck); + memset(&__get_cpu_var(cpu_mcck), 0, sizeof(struct mcck_struct)); + clear_thread_flag(TIF_MCCK_PENDING); + local_mcck_enable(); + local_irq_restore(flags); - if (mci->pd) /* instruction processing damage */ - s390_handle_damage("received instruction processing " - "damage machine check\n"); - - if (mci->se) /* storage error uncorrected */ - s390_handle_damage("received storage error uncorrected " - "machine check\n"); - - if (mci->sc) /* storage error corrected */ - printk(KERN_WARNING - "received storage error corrected machine check\n"); - - if (mci->ke) /* storage key-error uncorrected */ - s390_handle_damage("received storage key-error uncorrected " - "machine check\n"); - - if (mci->ds && mci->fa) /* storage degradation */ - s390_handle_damage("received storage degradation machine " - "check\n"); - - if (mci->cp) /* channel report word pending */ + if (mcck.channel_report) up(&m_sem); #ifdef CONFIG_MACHCHK_WARNING @@ -168,7 +167,7 @@ s390_do_machine_check(void) * On VM we only get one interrupt per virtally presented machinecheck. * Though one suffices, we may get one interrupt per (virtual) processor. */ - if (mci->w) { /* WARNING pending ? */ + if (mcck.warning) { /* WARNING pending ? */ static int mchchk_wng_posted = 0; /* * Use single machine clear, as we cannot handle smp right now @@ -178,6 +177,261 @@ s390_do_machine_check(void) kill_proc(1, SIGPWR, 1); } #endif + + if (mcck.kill_task) { + local_irq_enable(); + printk(KERN_EMERG "mcck: Terminating task because of machine " + "malfunction (code 0x%016llx).\n", mcck.mcck_code); + printk(KERN_EMERG "mcck: task: %s, pid: %d.\n", + current->comm, current->pid); + do_exit(SIGSEGV); + } +} + +/* + * returns 0 if all registers could be validated + * returns 1 otherwise + */ +static int +s390_revalidate_registers(struct mci *mci) +{ + int kill_task; + u64 tmpclock; + u64 zero; + void *fpt_save_area, *fpt_creg_save_area; + + kill_task = 0; + zero = 0; + /* General purpose registers */ + if (!mci->gr) + /* + * General purpose registers couldn't be restored and have + * unknown contents. Process needs to be terminated. + */ + kill_task = 1; + + /* Revalidate floating point registers */ + if (!mci->fp) + /* + * Floating point registers can't be restored and + * therefore the process needs to be terminated. + */ + kill_task = 1; + +#ifndef __s390x__ + asm volatile("ld 0,0(%0)\n" + "ld 2,8(%0)\n" + "ld 4,16(%0)\n" + "ld 6,24(%0)" + : : "a" (&S390_lowcore.floating_pt_save_area)); +#endif + + if (MACHINE_HAS_IEEE) { +#ifdef __s390x__ + fpt_save_area = &S390_lowcore.floating_pt_save_area; + fpt_creg_save_area = &S390_lowcore.fpt_creg_save_area; +#else + fpt_save_area = (void *) S390_lowcore.extended_save_area_addr; + fpt_creg_save_area = fpt_save_area+128; +#endif + /* Floating point control register */ + if (!mci->fc) { + /* + * Floating point control register can't be restored. + * Task will be terminated. + */ + asm volatile ("lfpc 0(%0)" : : "a" (&zero)); + kill_task = 1; + + } + else + asm volatile ( + "lfpc 0(%0)" + : : "a" (fpt_creg_save_area)); + + asm volatile("ld 0,0(%0)\n" + "ld 1,8(%0)\n" + "ld 2,16(%0)\n" + "ld 3,24(%0)\n" + "ld 4,32(%0)\n" + "ld 5,40(%0)\n" + "ld 6,48(%0)\n" + "ld 7,56(%0)\n" + "ld 8,64(%0)\n" + "ld 9,72(%0)\n" + "ld 10,80(%0)\n" + "ld 11,88(%0)\n" + "ld 12,96(%0)\n" + "ld 13,104(%0)\n" + "ld 14,112(%0)\n" + "ld 15,120(%0)\n" + : : "a" (fpt_save_area)); + } + + /* Revalidate access registers */ + asm volatile("lam 0,15,0(%0)" + : : "a" (&S390_lowcore.access_regs_save_area)); + if (!mci->ar) + /* + * Access registers have unknown contents. + * Terminating task. + */ + kill_task = 1; + + /* Revalidate control registers */ + if (!mci->cr) + /* + * Control registers have unknown contents. + * Can't recover and therefore stopping machine. + */ + s390_handle_damage("invalid control registers."); + else +#ifdef __s390x__ + asm volatile("lctlg 0,15,0(%0)" + : : "a" (&S390_lowcore.cregs_save_area)); +#else + asm volatile("lctl 0,15,0(%0)" + : : "a" (&S390_lowcore.cregs_save_area)); +#endif + + /* + * We don't even try to revalidate the TOD register, since we simply + * can't write something sensible into that register. + */ + +#ifdef __s390x__ + /* + * See if we can revalidate the TOD programmable register with its + * old contents (should be zero) otherwise set it to zero. + */ + if (!mci->pr) + asm volatile("sr 0,0\n" + "sckpf" + : : : "0", "cc"); + else + asm volatile( + "l 0,0(%0)\n" + "sckpf" + : : "a" (&S390_lowcore.tod_progreg_save_area) : "0", "cc"); +#endif + + /* Revalidate clock comparator register */ + asm volatile ("stck 0(%1)\n" + "sckc 0(%1)" + : "=m" (tmpclock) : "a" (&(tmpclock)) : "cc", "memory"); + + /* Check if old PSW is valid */ + if (!mci->wp) + /* + * Can't tell if we come from user or kernel mode + * -> stopping machine. + */ + s390_handle_damage("old psw invalid."); + + if (!mci->ms || !mci->pm || !mci->ia) + kill_task = 1; + + return kill_task; +} + +/* + * machine check handler. + */ +void +s390_do_machine_check(struct pt_regs *regs) +{ + struct mci *mci; + struct mcck_struct *mcck; + int umode; + + mci = (struct mci *) &S390_lowcore.mcck_interruption_code; + mcck = &__get_cpu_var(cpu_mcck); + umode = user_mode(regs); + + if (mci->sd) + /* System damage -> stopping machine */ + s390_handle_damage("received system damage machine check."); + + if (mci->pd) { + if (mci->b) { + /* Processing backup -> verify if we can survive this */ + u64 z_mcic, o_mcic, t_mcic; +#ifdef __s390x__ + z_mcic = (1ULL<<63 | 1ULL<<59 | 1ULL<<29); + o_mcic = (1ULL<<43 | 1ULL<<42 | 1ULL<<41 | 1ULL<<40 | + 1ULL<<36 | 1ULL<<35 | 1ULL<<34 | 1ULL<<32 | + 1ULL<<30 | 1ULL<<21 | 1ULL<<20 | 1ULL<<17 | + 1ULL<<16); +#else + z_mcic = (1ULL<<63 | 1ULL<<59 | 1ULL<<57 | 1ULL<<50 | + 1ULL<<29); + o_mcic = (1ULL<<43 | 1ULL<<42 | 1ULL<<41 | 1ULL<<40 | + 1ULL<<36 | 1ULL<<35 | 1ULL<<34 | 1ULL<<32 | + 1ULL<<30 | 1ULL<<20 | 1ULL<<17 | 1ULL<<16); +#endif + t_mcic = *(u64 *)mci; + + if (((t_mcic & z_mcic) != 0) || + ((t_mcic & o_mcic) != o_mcic)) { + s390_handle_damage("processing backup machine " + "check with damage."); + } + if (!umode) + s390_handle_damage("processing backup machine " + "check in kernel mode."); + mcck->kill_task = 1; + mcck->mcck_code = *(unsigned long long *) mci; + } + else { + /* Processing damage -> stopping machine */ + s390_handle_damage("received instruction processing " + "damage machine check."); + } + } + if (s390_revalidate_registers(mci)) { + if (umode) { + /* + * Couldn't restore all register contents while in + * user mode -> mark task for termination. + */ + mcck->kill_task = 1; + mcck->mcck_code = *(unsigned long long *) mci; + set_thread_flag(TIF_MCCK_PENDING); + } + else + /* + * Couldn't restore all register contents while in + * kernel mode -> stopping machine. + */ + s390_handle_damage("unable to revalidate registers."); + } + + if (mci->se) + /* Storage error uncorrected */ + s390_handle_damage("received storage error uncorrected " + "machine check."); + + if (mci->ke) + /* Storage key-error uncorrected */ + s390_handle_damage("received storage key-error uncorrected " + "machine check."); + + if (mci->ds && mci->fa) + /* Storage degradation */ + s390_handle_damage("received storage degradation machine " + "check."); + + if (mci->cp) { + /* Channel report word pending */ + mcck->channel_report = 1; + set_thread_flag(TIF_MCCK_PENDING); + } + + if (mci->w) { + /* Warning pending */ + mcck->warning = 1; + set_thread_flag(TIF_MCCK_PENDING); + } } /* @@ -189,9 +443,8 @@ static int machine_check_init(void) { init_MUTEX_LOCKED(&m_sem); - ctl_clear_bit(14, 25); /* disable damage MCH */ - ctl_set_bit(14, 26); /* enable degradation MCH */ - ctl_set_bit(14, 27); /* enable system recovery MCH */ + ctl_clear_bit(14, 25); /* disable external damage MCH */ + ctl_set_bit(14, 27); /* enable system recovery MCH */ #ifdef CONFIG_MACHCHK_WARNING ctl_set_bit(14, 24); /* enable warning MCH */ #endif diff --git a/drivers/s390/s390mach.h b/drivers/s390/s390mach.h index 7e26f0f1b0dc..4eaa70179182 100644 --- a/drivers/s390/s390mach.h +++ b/drivers/s390/s390mach.h @@ -16,20 +16,45 @@ struct mci { __u32 sd : 1; /* 00 system damage */ __u32 pd : 1; /* 01 instruction-processing damage */ __u32 sr : 1; /* 02 system recovery */ - __u32 to_be_defined_1 : 4; /* 03-06 */ + __u32 to_be_defined_1 : 1; /* 03 */ + __u32 cd : 1; /* 04 timing-facility damage */ + __u32 ed : 1; /* 05 external damage */ + __u32 to_be_defined_2 : 1; /* 06 */ __u32 dg : 1; /* 07 degradation */ __u32 w : 1; /* 08 warning pending */ __u32 cp : 1; /* 09 channel-report pending */ - __u32 to_be_defined_2 : 6; /* 10-15 */ + __u32 sp : 1; /* 10 service-processor damage */ + __u32 ck : 1; /* 11 channel-subsystem damage */ + __u32 to_be_defined_3 : 2; /* 12-13 */ + __u32 b : 1; /* 14 backed up */ + __u32 to_be_defined_4 : 1; /* 15 */ __u32 se : 1; /* 16 storage error uncorrected */ __u32 sc : 1; /* 17 storage error corrected */ __u32 ke : 1; /* 18 storage-key error uncorrected */ __u32 ds : 1; /* 19 storage degradation */ - __u32 to_be_defined_3 : 4; /* 20-23 */ + __u32 wp : 1; /* 20 psw mwp validity */ + __u32 ms : 1; /* 21 psw mask and key validity */ + __u32 pm : 1; /* 22 psw program mask and cc validity */ + __u32 ia : 1; /* 23 psw instruction address validity */ __u32 fa : 1; /* 24 failing storage address validity */ - __u32 to_be_defined_4 : 7; /* 25-31 */ + __u32 to_be_defined_5 : 1; /* 25 */ + __u32 ec : 1; /* 26 external damage code validity */ + __u32 fp : 1; /* 27 floating point register validity */ + __u32 gr : 1; /* 28 general register validity */ + __u32 cr : 1; /* 29 control register validity */ + __u32 to_be_defined_6 : 1; /* 30 */ + __u32 st : 1; /* 31 storage logical validity */ __u32 ie : 1; /* 32 indirect storage error */ - __u32 to_be_defined_5 : 31; /* 33-63 */ + __u32 ar : 1; /* 33 access register validity */ + __u32 da : 1; /* 34 delayed access exception */ + __u32 to_be_defined_7 : 7; /* 35-41 */ + __u32 pr : 1; /* 42 tod programmable register validity */ + __u32 fc : 1; /* 43 fp control register validity */ + __u32 ap : 1; /* 44 ancillary report */ + __u32 to_be_defined_8 : 1; /* 45 */ + __u32 ct : 1; /* 46 cpu timer validity */ + __u32 cc : 1; /* 47 clock comparator validity */ + __u32 to_be_defined_9 : 16; /* 47-63 */ }; /* diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 68d151aaa474..e17b4d58a9f6 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -97,11 +97,6 @@ MODULE_PARM_DESC(loglevel, "FC ERP QDIO CIO Config FSF SCSI Other, " "levels: 0=none 1=normal 2=devel 3=trace"); -#ifdef ZFCP_PRINT_FLAGS -u32 flags_dump = 0; -module_param(flags_dump, uint, 0); -#endif - /****************************************************************/ /************** Functions without logging ***********************/ /****************************************************************/ @@ -223,13 +218,20 @@ zfcp_in_els_dbf_event(struct zfcp_adapter *adapter, const char *text, * Parse "device=..." parameter string. */ static int __init -zfcp_device_setup(char *str) +zfcp_device_setup(char *devstr) { - char *tmp; + char *tmp, *str; + size_t len; - if (!str) + if (!devstr) return 0; + len = strlen(devstr) + 1; + str = (char *) kmalloc(len, GFP_KERNEL); + if (!str) + goto err_out; + memcpy(str, devstr, len); + tmp = strchr(str, ','); if (!tmp) goto err_out; @@ -246,10 +248,12 @@ zfcp_device_setup(char *str) zfcp_data.init_fcp_lun = simple_strtoull(tmp, &tmp, 0); if (*tmp != '\0') goto err_out; + kfree(str); return 1; err_out: ZFCP_LOG_NORMAL("Parse error for device parameter string %s\n", str); + kfree(str); return 0; } @@ -525,7 +529,7 @@ zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command, out: if (fsf_req != NULL) - zfcp_fsf_req_cleanup(fsf_req); + zfcp_fsf_req_free(fsf_req); if ((adapter != NULL) && (retval != -ENXIO)) zfcp_adapter_put(adapter); @@ -1154,7 +1158,7 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) INIT_LIST_HEAD(&adapter->port_remove_lh); /* initialize list of fsf requests */ - rwlock_init(&adapter->fsf_req_list_lock); + spin_lock_init(&adapter->fsf_req_list_lock); INIT_LIST_HEAD(&adapter->fsf_req_list_head); /* initialize abort lock */ @@ -1239,9 +1243,9 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter) zfcp_sysfs_adapter_remove_files(&adapter->ccw_device->dev); dev_set_drvdata(&adapter->ccw_device->dev, NULL); /* sanity check: no pending FSF requests */ - read_lock_irqsave(&adapter->fsf_req_list_lock, flags); + spin_lock_irqsave(&adapter->fsf_req_list_lock, flags); retval = !list_empty(&adapter->fsf_req_list_head); - read_unlock_irqrestore(&adapter->fsf_req_list_lock, flags); + spin_unlock_irqrestore(&adapter->fsf_req_list_lock, flags); if (retval) { ZFCP_LOG_NORMAL("bug: adapter %s (%p) still in use, " "%i requests outstanding\n", @@ -1483,19 +1487,15 @@ zfcp_fsf_incoming_els_rscn(struct zfcp_adapter *adapter, fcp_rscn_element++; switch (fcp_rscn_element->addr_format) { case ZFCP_PORT_ADDRESS: - ZFCP_LOG_FLAGS(1, "ZFCP_PORT_ADDRESS\n"); range_mask = ZFCP_PORTS_RANGE_PORT; break; case ZFCP_AREA_ADDRESS: - ZFCP_LOG_FLAGS(1, "ZFCP_AREA_ADDRESS\n"); range_mask = ZFCP_PORTS_RANGE_AREA; break; case ZFCP_DOMAIN_ADDRESS: - ZFCP_LOG_FLAGS(1, "ZFCP_DOMAIN_ADDRESS\n"); range_mask = ZFCP_PORTS_RANGE_DOMAIN; break; case ZFCP_FABRIC_ADDRESS: - ZFCP_LOG_FLAGS(1, "ZFCP_FABRIC_ADDRESS\n"); range_mask = ZFCP_PORTS_RANGE_FABRIC; break; default: @@ -1762,7 +1762,10 @@ static void zfcp_ns_gid_pn_handler(unsigned long data) ct_iu_req = zfcp_sg_to_address(ct->req); ct_iu_resp = zfcp_sg_to_address(ct->resp); - if ((ct->status != 0) || zfcp_check_ct_response(&ct_iu_resp->header)) { + if (ct->status != 0) + goto failed; + + if (zfcp_check_ct_response(&ct_iu_resp->header)) { /* FIXME: do we need some specific erp entry points */ atomic_set_mask(ZFCP_STATUS_PORT_INVALID_WWPN, &port->status); goto failed; diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index c5daf372f853..4103b5be7683 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -62,9 +62,6 @@ #include <linux/syscalls.h> #include <linux/ioctl.h> -/************************ DEBUG FLAGS *****************************************/ - -#define ZFCP_PRINT_FLAGS /********************* GENERAL DEFINES *********************************/ @@ -152,8 +149,10 @@ typedef u32 scsi_lun_t; #define FSF_QTCB_UNSOLICITED_STATUS 0x6305 #define ZFCP_STATUS_READ_FAILED_THRESHOLD 3 #define ZFCP_STATUS_READS_RECOM FSF_STATUS_READS_RECOM -#define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES 6 -#define ZFCP_EXCHANGE_CONFIG_DATA_SLEEP 50 + +/* Do 1st retry in 1 second, then double the timeout for each following retry */ +#define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP 100 +#define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES 7 /* timeout value for "default timer" for fsf requests */ #define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ); @@ -472,17 +471,6 @@ do { \ ZFCP_LOG(ZFCP_LOG_LEVEL_TRACE, fmt , ##args) #endif -#ifndef ZFCP_PRINT_FLAGS -# define ZFCP_LOG_FLAGS(level, fmt, args...) -#else -extern u32 flags_dump; -# define ZFCP_LOG_FLAGS(level, fmt, args...) \ -do { \ - if (level <= flags_dump) \ - _ZFCP_LOG(fmt, ##args); \ -} while (0) -#endif - /*************** ADAPTER/PORT/UNIT AND FSF_REQ STATUS FLAGS ******************/ /* @@ -502,6 +490,7 @@ do { \ #define ZFCP_STATUS_COMMON_CLOSING 0x02000000 #define ZFCP_STATUS_COMMON_ERP_INUSE 0x01000000 #define ZFCP_STATUS_COMMON_ACCESS_DENIED 0x00800000 +#define ZFCP_STATUS_COMMON_ACCESS_BOXED 0x00400000 /* adapter status */ #define ZFCP_STATUS_ADAPTER_QDIOUP 0x00000002 @@ -763,6 +752,7 @@ typedef void (*zfcp_send_els_handler_t)(unsigned long); /** * struct zfcp_send_els - used to pass parameters to function zfcp_fsf_send_els * @adapter: adapter where request is sent from + * @port: port where ELS is destinated (port reference count has to be increased) * @d_id: destiniation id of port where request is sent to * @req: scatter-gather list for request * @resp: scatter-gather list for response @@ -777,6 +767,7 @@ typedef void (*zfcp_send_els_handler_t)(unsigned long); */ struct zfcp_send_els { struct zfcp_adapter *adapter; + struct zfcp_port *port; fc_id_t d_id; struct scatterlist *req; struct scatterlist *resp; @@ -871,7 +862,7 @@ struct zfcp_adapter { u32 ports; /* number of remote ports */ struct timer_list scsi_er_timer; /* SCSI err recovery watch */ struct list_head fsf_req_list_head; /* head of FSF req list */ - rwlock_t fsf_req_list_lock; /* lock for ops on list of + spinlock_t fsf_req_list_lock; /* lock for ops on list of FSF requests */ atomic_t fsf_reqs_active; /* # active FSF reqs */ struct zfcp_qdio_queue request_queue; /* request queue */ diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 53ebc1cdfe2d..0cf31f7d1c0f 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -35,7 +35,7 @@ #include "zfcp_ext.h" -static int zfcp_erp_adisc(struct zfcp_adapter *, fc_id_t); +static int zfcp_erp_adisc(struct zfcp_port *); static void zfcp_erp_adisc_handler(unsigned long); static int zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *, int); @@ -295,12 +295,12 @@ zfcp_erp_unit_shutdown(struct zfcp_unit *unit, int clear_mask) /** * zfcp_erp_adisc - send ADISC ELS command - * @adapter: adapter structure - * @d_id: d_id of port where ADISC is sent to + * @port: port structure */ int -zfcp_erp_adisc(struct zfcp_adapter *adapter, fc_id_t d_id) +zfcp_erp_adisc(struct zfcp_port *port) { + struct zfcp_adapter *adapter = port->adapter; struct zfcp_send_els *send_els; struct zfcp_ls_adisc *adisc; void *address = NULL; @@ -332,7 +332,8 @@ zfcp_erp_adisc(struct zfcp_adapter *adapter, fc_id_t d_id) send_els->req_count = send_els->resp_count = 1; send_els->adapter = adapter; - send_els->d_id = d_id; + send_els->port = port; + send_els->d_id = port->d_id; send_els->handler = zfcp_erp_adisc_handler; send_els->handler_data = (unsigned long) send_els; @@ -350,7 +351,7 @@ zfcp_erp_adisc(struct zfcp_adapter *adapter, fc_id_t d_id) ZFCP_LOG_INFO("ADISC request from s_id 0x%08x to d_id 0x%08x " "(wwpn=0x%016Lx, wwnn=0x%016Lx, " "hard_nport_id=0x%08x, nport_id=0x%08x)\n", - adapter->s_id, d_id, (wwn_t) adisc->wwpn, + adapter->s_id, send_els->d_id, (wwn_t) adisc->wwpn, (wwn_t) adisc->wwnn, adisc->hard_nport_id, adisc->nport_id); @@ -367,7 +368,7 @@ zfcp_erp_adisc(struct zfcp_adapter *adapter, fc_id_t d_id) retval = zfcp_fsf_send_els(send_els); if (retval != 0) { ZFCP_LOG_NORMAL("error: initiation of Send ELS failed for port " - "0x%08x on adapter %s\n", d_id, + "0x%08x on adapter %s\n", send_els->d_id, zfcp_get_busid_by_adapter(adapter)); del_timer(send_els->timer); goto freemem; @@ -411,14 +412,9 @@ zfcp_erp_adisc_handler(unsigned long data) del_timer(send_els->timer); adapter = send_els->adapter; + port = send_els->port; d_id = send_els->d_id; - read_lock(&zfcp_data.config_lock); - port = zfcp_get_port_by_did(send_els->adapter, send_els->d_id); - read_unlock(&zfcp_data.config_lock); - - BUG_ON(port == NULL); - /* request rejected or timed out */ if (send_els->status != 0) { ZFCP_LOG_NORMAL("ELS request rejected/timed out, " @@ -482,7 +478,7 @@ zfcp_test_link(struct zfcp_port *port) int retval; zfcp_port_get(port); - retval = zfcp_erp_adisc(port->adapter, port->d_id); + retval = zfcp_erp_adisc(port); if (retval != 0) { zfcp_port_put(port); ZFCP_LOG_NORMAL("reopen needed for port 0x%016Lx " @@ -895,7 +891,7 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action) if (erp_action->fsf_req) { /* take lock to ensure that request is not being deleted meanwhile */ - write_lock(&adapter->fsf_req_list_lock); + spin_lock(&adapter->fsf_req_list_lock); /* check whether fsf req does still exist */ list_for_each_entry(fsf_req, &adapter->fsf_req_list_head, list) if (fsf_req == erp_action->fsf_req) @@ -938,7 +934,7 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action) */ erp_action->fsf_req = NULL; } - write_unlock(&adapter->fsf_req_list_lock); + spin_unlock(&adapter->fsf_req_list_lock); } else debug_text_event(adapter->erp_dbf, 3, "a_ca_noreq"); @@ -2286,12 +2282,12 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action) { int retval = ZFCP_ERP_SUCCEEDED; int retries; + int sleep = ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP; struct zfcp_adapter *adapter = erp_action->adapter; atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK, &adapter->status); - retries = ZFCP_EXCHANGE_CONFIG_DATA_RETRIES; - do { + for (retries = ZFCP_EXCHANGE_CONFIG_DATA_RETRIES; retries; retries--) { atomic_clear_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT, &adapter->status); ZFCP_LOG_DEBUG("Doing exchange config data\n"); @@ -2329,16 +2325,17 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action) zfcp_get_busid_by_adapter(adapter)); break; } - if (atomic_test_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT, - &adapter->status)) { - ZFCP_LOG_DEBUG("host connection still initialising... " - "waiting and retrying...\n"); - /* sleep a little bit before retry */ - msleep(jiffies_to_msecs(ZFCP_EXCHANGE_CONFIG_DATA_SLEEP)); - } - } while ((retries--) && - atomic_test_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT, - &adapter->status)); + + if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT, + &adapter->status)) + break; + + ZFCP_LOG_DEBUG("host connection still initialising... " + "waiting and retrying...\n"); + /* sleep a little bit before retry */ + msleep(jiffies_to_msecs(sleep)); + sleep *= 2; + } if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK, &adapter->status)) { @@ -3485,6 +3482,45 @@ zfcp_erp_action_to_ready(struct zfcp_erp_action *erp_action) } /* + * function: zfcp_erp_port_boxed + * + * purpose: + */ +void +zfcp_erp_port_boxed(struct zfcp_port *port) +{ + struct zfcp_adapter *adapter = port->adapter; + unsigned long flags; + + debug_text_event(adapter->erp_dbf, 3, "p_access_boxed"); + debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof(wwn_t)); + read_lock_irqsave(&zfcp_data.config_lock, flags); + zfcp_erp_modify_port_status(port, + ZFCP_STATUS_COMMON_ACCESS_BOXED, + ZFCP_SET); + read_unlock_irqrestore(&zfcp_data.config_lock, flags); + zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED); +} + +/* + * function: zfcp_erp_unit_boxed + * + * purpose: + */ +void +zfcp_erp_unit_boxed(struct zfcp_unit *unit) +{ + struct zfcp_adapter *adapter = unit->port->adapter; + + debug_text_event(adapter->erp_dbf, 3, "u_access_boxed"); + debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof(fcp_lun_t)); + zfcp_erp_modify_unit_status(unit, + ZFCP_STATUS_COMMON_ACCESS_BOXED, + ZFCP_SET); + zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED); +} + +/* * function: zfcp_erp_port_access_denied * * purpose: @@ -3495,11 +3531,13 @@ zfcp_erp_port_access_denied(struct zfcp_port *port) struct zfcp_adapter *adapter = port->adapter; unsigned long flags; - debug_text_event(adapter->erp_dbf, 3, "p_access_block"); + debug_text_event(adapter->erp_dbf, 3, "p_access_denied"); debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof(wwn_t)); read_lock_irqsave(&zfcp_data.config_lock, flags); - zfcp_erp_modify_port_status(port, ZFCP_STATUS_COMMON_ERP_FAILED | - ZFCP_STATUS_COMMON_ACCESS_DENIED, ZFCP_SET); + zfcp_erp_modify_port_status(port, + ZFCP_STATUS_COMMON_ERP_FAILED | + ZFCP_STATUS_COMMON_ACCESS_DENIED, + ZFCP_SET); read_unlock_irqrestore(&zfcp_data.config_lock, flags); } @@ -3513,10 +3551,12 @@ zfcp_erp_unit_access_denied(struct zfcp_unit *unit) { struct zfcp_adapter *adapter = unit->port->adapter; - debug_text_event(adapter->erp_dbf, 3, "u_access_block"); + debug_text_event(adapter->erp_dbf, 3, "u_access_denied"); debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof(fcp_lun_t)); - zfcp_erp_modify_unit_status(unit, ZFCP_STATUS_COMMON_ERP_FAILED | - ZFCP_STATUS_COMMON_ACCESS_DENIED, ZFCP_SET); + zfcp_erp_modify_unit_status(unit, + ZFCP_STATUS_COMMON_ERP_FAILED | + ZFCP_STATUS_COMMON_ACCESS_DENIED, + ZFCP_SET); } /* @@ -3530,7 +3570,7 @@ zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter) struct zfcp_port *port; unsigned long flags; - debug_text_event(adapter->erp_dbf, 3, "a_access_unblock"); + debug_text_event(adapter->erp_dbf, 3, "a_access_recover"); debug_event(adapter->erp_dbf, 3, &adapter->name, 8); read_lock_irqsave(&zfcp_data.config_lock, flags); @@ -3553,10 +3593,12 @@ zfcp_erp_port_access_changed(struct zfcp_port *port) struct zfcp_adapter *adapter = port->adapter; struct zfcp_unit *unit; - debug_text_event(adapter->erp_dbf, 3, "p_access_unblock"); + debug_text_event(adapter->erp_dbf, 3, "p_access_recover"); debug_event(adapter->erp_dbf, 3, &port->wwpn, sizeof(wwn_t)); if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED, + &port->status) && + !atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_BOXED, &port->status)) { if (!atomic_test_mask(ZFCP_STATUS_PORT_WKA, &port->status)) list_for_each_entry(unit, &port->unit_list_head, list) @@ -3583,10 +3625,13 @@ zfcp_erp_unit_access_changed(struct zfcp_unit *unit) { struct zfcp_adapter *adapter = unit->port->adapter; - debug_text_event(adapter->erp_dbf, 3, "u_access_unblock"); + debug_text_event(adapter->erp_dbf, 3, "u_access_recover"); debug_event(adapter->erp_dbf, 3, &unit->fcp_lun, sizeof(fcp_lun_t)); - if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED, &unit->status)) + if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED, + &unit->status) && + !atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_BOXED, + &unit->status)) return; ZFCP_LOG_NORMAL("reopen of unit 0x%016Lx on port 0x%016Lx " diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index d5fd43352071..42df7e57eeae 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -116,7 +116,7 @@ extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *, struct timer_list*, int); extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *); extern void zfcp_fsf_incoming_els(struct zfcp_fsf_req *); -extern void zfcp_fsf_req_cleanup(struct zfcp_fsf_req *); +extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management( struct zfcp_adapter *, struct zfcp_unit *, u8, int); extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command( @@ -171,6 +171,8 @@ extern int zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long); extern int zfcp_test_link(struct zfcp_port *); +extern void zfcp_erp_port_boxed(struct zfcp_port *); +extern void zfcp_erp_unit_boxed(struct zfcp_unit *); extern void zfcp_erp_port_access_denied(struct zfcp_port *); extern void zfcp_erp_unit_access_denied(struct zfcp_unit *); extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 148b11c822bf..0d9f20edc490 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -61,7 +61,6 @@ static int zfcp_fsf_fsfstatus_eval(struct zfcp_fsf_req *); static int zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *); static int zfcp_fsf_req_dispatch(struct zfcp_fsf_req *); static void zfcp_fsf_req_dismiss(struct zfcp_fsf_req *); -static void zfcp_fsf_req_free(struct zfcp_fsf_req *); /* association between FSF command and FSF QTCB type */ static u32 fsf_qtcb_type[] = { @@ -149,13 +148,13 @@ zfcp_fsf_req_alloc(mempool_t *pool, int req_flags) * * locks: none */ -static void +void zfcp_fsf_req_free(struct zfcp_fsf_req *fsf_req) { if (likely(fsf_req->pool != NULL)) mempool_free(fsf_req, fsf_req->pool); - else - kfree(fsf_req); + else + kfree(fsf_req); } /* @@ -170,30 +169,21 @@ zfcp_fsf_req_free(struct zfcp_fsf_req *fsf_req) int zfcp_fsf_req_dismiss_all(struct zfcp_adapter *adapter) { - int retval = 0; struct zfcp_fsf_req *fsf_req, *tmp; + unsigned long flags; + LIST_HEAD(remove_queue); - list_for_each_entry_safe(fsf_req, tmp, &adapter->fsf_req_list_head, - list) - zfcp_fsf_req_dismiss(fsf_req); - /* wait_event_timeout? */ - while (!list_empty(&adapter->fsf_req_list_head)) { - ZFCP_LOG_DEBUG("fsf req list of adapter %s not yet empty\n", - zfcp_get_busid_by_adapter(adapter)); - /* wait for woken intiators to clean up their requests */ - msleep(jiffies_to_msecs(ZFCP_FSFREQ_CLEANUP_TIMEOUT)); - } + spin_lock_irqsave(&adapter->fsf_req_list_lock, flags); + list_splice_init(&adapter->fsf_req_list_head, &remove_queue); + atomic_set(&adapter->fsf_reqs_active, 0); + spin_unlock_irqrestore(&adapter->fsf_req_list_lock, flags); - /* consistency check */ - if (atomic_read(&adapter->fsf_reqs_active)) { - ZFCP_LOG_NORMAL("bug: There are still %d FSF requests pending " - "on adapter %s after cleanup.\n", - atomic_read(&adapter->fsf_reqs_active), - zfcp_get_busid_by_adapter(adapter)); - atomic_set(&adapter->fsf_reqs_active, 0); + list_for_each_entry_safe(fsf_req, tmp, &remove_queue, list) { + list_del(&fsf_req->list); + zfcp_fsf_req_dismiss(fsf_req); } - return retval; + return 0; } /* @@ -226,10 +216,6 @@ zfcp_fsf_req_complete(struct zfcp_fsf_req *fsf_req) { int retval = 0; int cleanup; - struct zfcp_adapter *adapter = fsf_req->adapter; - - /* do some statistics */ - atomic_dec(&adapter->fsf_reqs_active); if (unlikely(fsf_req->fsf_command == FSF_QTCB_UNSOLICITED_STATUS)) { ZFCP_LOG_DEBUG("Status read response received\n"); @@ -260,7 +246,7 @@ zfcp_fsf_req_complete(struct zfcp_fsf_req *fsf_req) * lock must not be held here since it will be * grabed by the called routine, too */ - zfcp_fsf_req_cleanup(fsf_req); + zfcp_fsf_req_free(fsf_req); } else { /* notify initiator waiting for the requests completion */ ZFCP_LOG_TRACE("waking initiator of FSF request %p\n",fsf_req); @@ -346,15 +332,10 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req) switch (fsf_req->qtcb->prefix.prot_status) { case FSF_PROT_GOOD: - ZFCP_LOG_TRACE("FSF_PROT_GOOD\n"); - break; - case FSF_PROT_FSF_STATUS_PRESENTED: - ZFCP_LOG_TRACE("FSF_PROT_FSF_STATUS_PRESENTED\n"); break; case FSF_PROT_QTCB_VERSION_ERROR: - ZFCP_LOG_FLAGS(0, "FSF_PROT_QTCB_VERSION_ERROR\n"); ZFCP_LOG_NORMAL("error: The adapter %s contains " "microcode of version 0x%x, the device driver " "only supports 0x%x. Aborting.\n", @@ -371,7 +352,6 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req) break; case FSF_PROT_SEQ_NUMB_ERROR: - ZFCP_LOG_FLAGS(0, "FSF_PROT_SEQ_NUMB_ERROR\n"); ZFCP_LOG_NORMAL("bug: Sequence number mismatch between " "driver (0x%x) and adapter %s (0x%x). " "Restarting all operations on this adapter.\n", @@ -390,7 +370,6 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req) break; case FSF_PROT_UNSUPP_QTCB_TYPE: - ZFCP_LOG_FLAGS(0, "FSF_PROT_UNSUP_QTCB_TYPE\n"); ZFCP_LOG_NORMAL("error: Packet header type used by the " "device driver is incompatible with " "that used on adapter %s. " @@ -405,7 +384,6 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req) break; case FSF_PROT_HOST_CONNECTION_INITIALIZING: - ZFCP_LOG_FLAGS(1, "FSF_PROT_HOST_CONNECTION_INITIALIZING\n"); zfcp_cmd_dbf_event_fsf("hconinit", fsf_req, &fsf_req->qtcb->prefix.prot_status_qual, sizeof (union fsf_prot_status_qual)); @@ -416,7 +394,6 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req) break; case FSF_PROT_DUPLICATE_REQUEST_ID: - ZFCP_LOG_FLAGS(0, "FSF_PROT_DUPLICATE_REQUEST_IDS\n"); if (fsf_req->qtcb) { ZFCP_LOG_NORMAL("bug: The request identifier 0x%Lx " "to the adapter %s is ambiguous. " @@ -445,7 +422,6 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req) break; case FSF_PROT_LINK_DOWN: - ZFCP_LOG_FLAGS(1, "FSF_PROT_LINK_DOWN\n"); /* * 'test and set' is not atomic here - * it's ok as long as calls to our response queue handler @@ -502,13 +478,11 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req) ZFCP_STATUS_COMMON_ERP_FAILED, &adapter->status); zfcp_erp_adapter_reopen(adapter, 0); - debug_text_event(adapter->erp_dbf, 1, "prot_link_down"); } fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_PROT_REEST_QUEUE: - ZFCP_LOG_FLAGS(1, "FSF_PROT_REEST_QUEUE\n"); debug_text_event(adapter->erp_dbf, 1, "prot_reest_queue"); ZFCP_LOG_INFO("The local link to adapter with " "%s was re-plugged. " @@ -528,7 +502,6 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req) break; case FSF_PROT_ERROR_STATE: - ZFCP_LOG_FLAGS(0, "FSF_PROT_ERROR_STATE\n"); ZFCP_LOG_NORMAL("error: The adapter %s " "has entered the error state. " "Restarting all operations on this " @@ -589,7 +562,6 @@ zfcp_fsf_fsfstatus_eval(struct zfcp_fsf_req *fsf_req) /* evaluate FSF Status */ switch (fsf_req->qtcb->header.fsf_status) { case FSF_UNKNOWN_COMMAND: - ZFCP_LOG_FLAGS(0, "FSF_UNKNOWN_COMMAND\n"); ZFCP_LOG_NORMAL("bug: Command issued by the device driver is " "not known by the adapter %s " "Stopping all operations on this adapter. " @@ -606,14 +578,12 @@ zfcp_fsf_fsfstatus_eval(struct zfcp_fsf_req *fsf_req) break; case FSF_FCP_RSP_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_FCP_RSP_AVAILABLE\n"); ZFCP_LOG_DEBUG("FCP Sense data will be presented to the " "SCSI stack.\n"); debug_text_event(fsf_req->adapter->erp_dbf, 3, "fsf_s_rsp"); break; case FSF_ADAPTER_STATUS_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_ADAPTER_STATUS_AVAILABLE\n"); debug_text_event(fsf_req->adapter->erp_dbf, 2, "fsf_s_astatus"); zfcp_fsf_fsfstatus_qual_eval(fsf_req); break; @@ -647,11 +617,9 @@ zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *fsf_req) switch (fsf_req->qtcb->header.fsf_status_qual.word[0]) { case FSF_SQ_FCP_RSP_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_SQ_FCP_RSP_AVAILABLE\n"); debug_text_event(fsf_req->adapter->erp_dbf, 4, "fsf_sq_rsp"); break; case FSF_SQ_RETRY_IF_POSSIBLE: - ZFCP_LOG_FLAGS(2, "FSF_SQ_RETRY_IF_POSSIBLE\n"); /* The SCSI-stack may now issue retries or escalate */ debug_text_event(fsf_req->adapter->erp_dbf, 2, "fsf_sq_retry"); zfcp_cmd_dbf_event_fsf("sqretry", fsf_req, @@ -660,7 +628,6 @@ zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *fsf_req) fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_COMMAND_ABORTED: - ZFCP_LOG_FLAGS(2, "FSF_SQ_COMMAND_ABORTED\n"); /* Carry the aborted state on to upper layer */ debug_text_event(fsf_req->adapter->erp_dbf, 2, "fsf_sq_abort"); zfcp_cmd_dbf_event_fsf("sqabort", fsf_req, @@ -670,7 +637,6 @@ zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *fsf_req) fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_NO_RECOM: - ZFCP_LOG_FLAGS(0, "FSF_SQ_NO_RECOM\n"); debug_text_exception(fsf_req->adapter->erp_dbf, 0, "fsf_sq_no_rec"); ZFCP_LOG_NORMAL("bug: No recommendation could be given for a" @@ -684,7 +650,6 @@ zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *fsf_req) fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_ULP_PROGRAMMING_ERROR: - ZFCP_LOG_FLAGS(0, "FSF_SQ_ULP_PROGRAMMING_ERROR\n"); ZFCP_LOG_NORMAL("error: not enough SBALs for data transfer " "(adapter %s)\n", zfcp_get_busid_by_adapter(fsf_req->adapter)); @@ -740,72 +705,58 @@ zfcp_fsf_req_dispatch(struct zfcp_fsf_req *fsf_req) switch (fsf_req->fsf_command) { case FSF_QTCB_FCP_CMND: - ZFCP_LOG_FLAGS(3, "FSF_QTCB_FCP_CMND\n"); zfcp_fsf_send_fcp_command_handler(fsf_req); break; case FSF_QTCB_ABORT_FCP_CMND: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_ABORT_FCP_CMND\n"); zfcp_fsf_abort_fcp_command_handler(fsf_req); break; case FSF_QTCB_SEND_GENERIC: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_SEND_GENERIC\n"); zfcp_fsf_send_ct_handler(fsf_req); break; case FSF_QTCB_OPEN_PORT_WITH_DID: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_OPEN_PORT_WITH_DID\n"); zfcp_fsf_open_port_handler(fsf_req); break; case FSF_QTCB_OPEN_LUN: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_OPEN_LUN\n"); zfcp_fsf_open_unit_handler(fsf_req); break; case FSF_QTCB_CLOSE_LUN: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_CLOSE_LUN\n"); zfcp_fsf_close_unit_handler(fsf_req); break; case FSF_QTCB_CLOSE_PORT: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_CLOSE_PORT\n"); zfcp_fsf_close_port_handler(fsf_req); break; case FSF_QTCB_CLOSE_PHYSICAL_PORT: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_CLOSE_PHYSICAL_PORT\n"); zfcp_fsf_close_physical_port_handler(fsf_req); break; case FSF_QTCB_EXCHANGE_CONFIG_DATA: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_EXCHANGE_CONFIG_DATA\n"); zfcp_fsf_exchange_config_data_handler(fsf_req); break; case FSF_QTCB_EXCHANGE_PORT_DATA: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_EXCHANGE_PORT_DATA\n"); zfcp_fsf_exchange_port_data_handler(fsf_req); break; case FSF_QTCB_SEND_ELS: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_SEND_ELS\n"); zfcp_fsf_send_els_handler(fsf_req); break; case FSF_QTCB_DOWNLOAD_CONTROL_FILE: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_DOWNLOAD_CONTROL_FILE\n"); zfcp_fsf_control_file_handler(fsf_req); break; case FSF_QTCB_UPLOAD_CONTROL_FILE: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_UPLOAD_CONTROL_FILE\n"); zfcp_fsf_control_file_handler(fsf_req); break; default: - ZFCP_LOG_FLAGS(2, "FSF_QTCB_UNKNOWN\n"); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; ZFCP_LOG_NORMAL("bug: Command issued by the device driver is " "not supported by the adapter %s\n", @@ -929,13 +880,11 @@ zfcp_fsf_status_read_port_closed(struct zfcp_fsf_req *fsf_req) switch (status_buffer->status_subtype) { case FSF_STATUS_READ_SUB_CLOSE_PHYS_PORT: - ZFCP_LOG_FLAGS(2, "FSF_STATUS_READ_SUB_CLOSE_PHYS_PORT\n"); debug_text_event(adapter->erp_dbf, 3, "unsol_pc_phys:"); zfcp_erp_port_reopen(port, 0); break; case FSF_STATUS_READ_SUB_ERROR_PORT: - ZFCP_LOG_FLAGS(1, "FSF_STATUS_READ_SUB_ERROR_PORT\n"); debug_text_event(adapter->erp_dbf, 1, "unsol_pc_err:"); zfcp_erp_port_shutdown(port, 0); break; @@ -973,14 +922,13 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req) if (fsf_req->status & ZFCP_STATUS_FSFREQ_DISMISSED) { mempool_free(status_buffer, adapter->pool.data_status_read); - zfcp_fsf_req_cleanup(fsf_req); + zfcp_fsf_req_free(fsf_req); goto out; } switch (status_buffer->status_type) { case FSF_STATUS_READ_PORT_CLOSED: - ZFCP_LOG_FLAGS(1, "FSF_STATUS_READ_PORT_CLOSED\n"); debug_text_event(adapter->erp_dbf, 3, "unsol_pclosed:"); debug_event(adapter->erp_dbf, 3, &status_buffer->d_id, sizeof (u32)); @@ -988,13 +936,11 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_STATUS_READ_INCOMING_ELS: - ZFCP_LOG_FLAGS(1, "FSF_STATUS_READ_INCOMING_ELS\n"); debug_text_event(adapter->erp_dbf, 3, "unsol_els:"); zfcp_fsf_incoming_els(fsf_req); break; case FSF_STATUS_READ_SENSE_DATA_AVAIL: - ZFCP_LOG_FLAGS(1, "FSF_STATUS_READ_SENSE_DATA_AVAIL\n"); debug_text_event(adapter->erp_dbf, 3, "unsol_sense:"); ZFCP_LOG_INFO("unsolicited sense data received (adapter %s)\n", zfcp_get_busid_by_adapter(adapter)); @@ -1003,7 +949,6 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_STATUS_READ_BIT_ERROR_THRESHOLD: - ZFCP_LOG_FLAGS(1, "FSF_STATUS_READ_BIT_ERROR_THRESHOLD\n"); debug_text_event(adapter->erp_dbf, 3, "unsol_bit_err:"); ZFCP_LOG_NORMAL("Bit error threshold data received:\n"); ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_NORMAL, @@ -1012,7 +957,6 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_STATUS_READ_LINK_DOWN: - ZFCP_LOG_FLAGS(1, "FSF_STATUS_READ_LINK_DOWN\n"); debug_text_event(adapter->erp_dbf, 0, "unsol_link_down:"); ZFCP_LOG_INFO("Local link to adapter %s is down\n", zfcp_get_busid_by_adapter(adapter)); @@ -1022,7 +966,6 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_STATUS_READ_LINK_UP: - ZFCP_LOG_FLAGS(1, "FSF_STATUS_READ_LINK_UP\n"); debug_text_event(adapter->erp_dbf, 2, "unsol_link_up:"); ZFCP_LOG_INFO("Local link to adapter %s was replugged. " "Restarting operations on this adapter\n", @@ -1037,7 +980,6 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_STATUS_READ_CFDC_UPDATED: - ZFCP_LOG_FLAGS(1, "FSF_STATUS_READ_CFDC_UPDATED\n"); debug_text_event(adapter->erp_dbf, 2, "unsol_cfdc_update:"); ZFCP_LOG_INFO("CFDC has been updated on the adapter %s\n", zfcp_get_busid_by_adapter(adapter)); @@ -1045,7 +987,6 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_STATUS_READ_CFDC_HARDENED: - ZFCP_LOG_FLAGS(1, "FSF_STATUS_READ_CFDC_HARDENED\n"); debug_text_event(adapter->erp_dbf, 2, "unsol_cfdc_harden:"); switch (status_buffer->status_subtype) { case FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE: @@ -1078,7 +1019,7 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req) break; } mempool_free(status_buffer, adapter->pool.data_status_read); - zfcp_fsf_req_cleanup(fsf_req); + zfcp_fsf_req_free(fsf_req); /* * recycle buffer and start new request repeat until outbound * queue is empty or adapter shutdown is requested @@ -1214,7 +1155,6 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) case FSF_PORT_HANDLE_NOT_VALID: if (status_qual >> 4 != status_qual % 0xf) { - ZFCP_LOG_FLAGS(2, "FSF_PORT_HANDLE_NOT_VALID\n"); debug_text_event(new_fsf_req->adapter->erp_dbf, 3, "fsf_s_phand_nv0"); /* @@ -1223,7 +1163,6 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) * fine. */ } else { - ZFCP_LOG_FLAGS(1, "FSF_PORT_HANDLE_NOT_VALID\n"); ZFCP_LOG_INFO("Temporary port identifier 0x%x for " "port 0x%016Lx on adapter %s invalid. " "This may happen occasionally.\n", @@ -1246,7 +1185,6 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) case FSF_LUN_HANDLE_NOT_VALID: if (status_qual >> 4 != status_qual % 0xf) { /* 2 */ - ZFCP_LOG_FLAGS(0, "FSF_LUN_HANDLE_NOT_VALID\n"); debug_text_event(new_fsf_req->adapter->erp_dbf, 3, "fsf_s_lhand_nv0"); /* @@ -1255,7 +1193,6 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) * This is fine. */ } else { - ZFCP_LOG_FLAGS(1, "FSF_LUN_HANDLE_NOT_VALID\n"); ZFCP_LOG_INFO ("Warning: Temporary LUN identifier 0x%x of LUN " "0x%016Lx on port 0x%016Lx on adapter %s is " @@ -1279,7 +1216,6 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) break; case FSF_FCP_COMMAND_DOES_NOT_EXIST: - ZFCP_LOG_FLAGS(2, "FSF_FCP_COMMAND_DOES_NOT_EXIST\n"); retval = 0; debug_text_event(new_fsf_req->adapter->erp_dbf, 3, "fsf_s_no_exist"); @@ -1287,50 +1223,37 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) break; case FSF_PORT_BOXED: - /* 2 */ - ZFCP_LOG_FLAGS(0, "FSF_PORT_BOXED\n"); ZFCP_LOG_INFO("Remote port 0x%016Lx on adapter %s needs to " "be reopened\n", unit->port->wwpn, zfcp_get_busid_by_unit(unit)); debug_text_event(new_fsf_req->adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(unit->port, 0); + zfcp_erp_port_boxed(unit->port); new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; case FSF_LUN_BOXED: - ZFCP_LOG_FLAGS(0, "FSF_LUN_BOXED\n"); ZFCP_LOG_INFO( "unit 0x%016Lx on port 0x%016Lx on adapter %s needs " "to be reopened\n", unit->fcp_lun, unit->port->wwpn, zfcp_get_busid_by_unit(unit)); debug_text_event(new_fsf_req->adapter->erp_dbf, 1, "fsf_s_lboxed"); - zfcp_erp_unit_reopen(unit, 0); - zfcp_cmd_dbf_event_fsf("unitbox", new_fsf_req, - &new_fsf_req->qtcb->header.fsf_status_qual, - sizeof(union fsf_status_qual)); + zfcp_erp_unit_boxed(unit); new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; case FSF_ADAPTER_STATUS_AVAILABLE: - /* 2 */ - ZFCP_LOG_FLAGS(0, "FSF_ADAPTER_STATUS_AVAILABLE\n"); switch (new_fsf_req->qtcb->header.fsf_status_qual.word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_INVOKE_LINK_TEST_PROCEDURE\n"); debug_text_event(new_fsf_req->adapter->erp_dbf, 1, "fsf_sq_ltest"); - /* reopening link to port */ - zfcp_erp_port_reopen(unit->port, 0); + zfcp_test_link(unit->port); new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED\n"); /* SCSI stack will escalate */ debug_text_event(new_fsf_req->adapter->erp_dbf, 1, "fsf_sq_ulp"); @@ -1350,8 +1273,6 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) break; case FSF_GOOD: - /* 3 */ - ZFCP_LOG_FLAGS(0, "FSF_GOOD\n"); retval = 0; new_fsf_req->status |= ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED; break; @@ -1553,12 +1474,10 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) switch (header->fsf_status) { case FSF_GOOD: - ZFCP_LOG_FLAGS(2,"FSF_GOOD\n"); retval = 0; break; case FSF_SERVICE_CLASS_NOT_SUPPORTED: - ZFCP_LOG_FLAGS(2, "FSF_SERVICE_CLASS_NOT_SUPPORTED\n"); if (adapter->fc_service_class <= 3) { ZFCP_LOG_INFO("error: adapter %s does not support fc " "class %d.\n", @@ -1578,17 +1497,14 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ADAPTER_STATUS_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_ADAPTER_STATUS_AVAILABLE\n"); switch (header->fsf_status_qual.word[0]){ case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - ZFCP_LOG_FLAGS(2,"FSF_SQ_INVOKE_LINK_TEST_PROCEDURE\n"); /* reopening link to port */ debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ltest"); zfcp_test_link(port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: - ZFCP_LOG_FLAGS(2,"FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED\n"); /* ERP strategy will escalate */ debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ulp"); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; @@ -1602,7 +1518,6 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ACCESS_DENIED: - ZFCP_LOG_FLAGS(2, "FSF_ACCESS_DENIED\n"); ZFCP_LOG_NORMAL("access denied, cannot send generic service " "command (adapter %s, port d_id=0x%08x)\n", zfcp_get_busid_by_port(port), port->d_id); @@ -1625,7 +1540,6 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_GENERIC_COMMAND_REJECTED: - ZFCP_LOG_FLAGS(2, "FSF_GENERIC_COMMAND_REJECTED\n"); ZFCP_LOG_INFO("generic service command rejected " "(adapter %s, port d_id=0x%08x)\n", zfcp_get_busid_by_port(port), port->d_id); @@ -1638,7 +1552,6 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_PORT_HANDLE_NOT_VALID: - ZFCP_LOG_FLAGS(2, "FSF_PORT_HANDLE_NOT_VALID\n"); ZFCP_LOG_DEBUG("Temporary port identifier 0x%x for port " "0x%016Lx on adapter %s invalid. This may " "happen occasionally.\n", port->handle, @@ -1653,12 +1566,11 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_PORT_BOXED: - ZFCP_LOG_FLAGS(2, "FSF_PORT_BOXED\n"); ZFCP_LOG_INFO("port needs to be reopened " "(adapter %s, port d_id=0x%08x)\n", zfcp_get_busid_by_port(port), port->d_id); debug_text_event(adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(port, 0); + zfcp_erp_port_boxed(port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; @@ -1666,7 +1578,6 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) /* following states should never occure, all cases avoided in zfcp_fsf_send_ct - but who knows ... */ case FSF_PAYLOAD_SIZE_MISMATCH: - ZFCP_LOG_FLAGS(2, "FSF_PAYLOAD_SIZE_MISMATCH\n"); ZFCP_LOG_INFO("payload size mismatch (adapter: %s, " "req_buf_length=%d, resp_buf_length=%d)\n", zfcp_get_busid_by_adapter(adapter), @@ -1674,7 +1585,6 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_REQUEST_SIZE_TOO_LARGE: - ZFCP_LOG_FLAGS(2, "FSF_REQUEST_SIZE_TOO_LARGE\n"); ZFCP_LOG_INFO("request size too large (adapter: %s, " "req_buf_length=%d)\n", zfcp_get_busid_by_adapter(adapter), @@ -1682,7 +1592,6 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_RESPONSE_SIZE_TOO_LARGE: - ZFCP_LOG_FLAGS(2, "FSF_RESPONSE_SIZE_TOO_LARGE\n"); ZFCP_LOG_INFO("response size too large (adapter: %s, " "resp_buf_length=%d)\n", zfcp_get_busid_by_adapter(adapter), @@ -1690,7 +1599,6 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SBAL_MISMATCH: - ZFCP_LOG_FLAGS(2, "FSF_SBAL_MISMATCH\n"); ZFCP_LOG_INFO("SBAL mismatch (adapter: %s, req_buf_length=%d, " "resp_buf_length=%d)\n", zfcp_get_busid_by_adapter(adapter), @@ -1846,8 +1754,8 @@ zfcp_fsf_send_els(struct zfcp_send_els *els) static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) { struct zfcp_adapter *adapter; - fc_id_t d_id; struct zfcp_port *port; + fc_id_t d_id; struct fsf_qtcb_header *header; struct fsf_qtcb_bottom_support *bottom; struct zfcp_send_els *send_els; @@ -1856,6 +1764,7 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) send_els = fsf_req->data.send_els; adapter = send_els->adapter; + port = send_els->port; d_id = send_els->d_id; header = &fsf_req->qtcb->header; bottom = &fsf_req->qtcb->bottom.support; @@ -1866,12 +1775,10 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) switch (header->fsf_status) { case FSF_GOOD: - ZFCP_LOG_FLAGS(2, "FSF_GOOD\n"); retval = 0; break; case FSF_SERVICE_CLASS_NOT_SUPPORTED: - ZFCP_LOG_FLAGS(2, "FSF_SERVICE_CLASS_NOT_SUPPORTED\n"); if (adapter->fc_service_class <= 3) { ZFCP_LOG_INFO("error: adapter %s does " "not support fibrechannel class %d.\n", @@ -1891,22 +1798,14 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ADAPTER_STATUS_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_ADAPTER_STATUS_AVAILABLE\n"); switch (header->fsf_status_qual.word[0]){ case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - ZFCP_LOG_FLAGS(2,"FSF_SQ_INVOKE_LINK_TEST_PROCEDURE\n"); debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ltest"); - if (send_els->ls_code != ZFCP_LS_ADISC) { - read_lock(&zfcp_data.config_lock); - port = zfcp_get_port_by_did(adapter, d_id); - if (port) - zfcp_test_link(port); - read_unlock(&zfcp_data.config_lock); - } + if (port && (send_els->ls_code != ZFCP_LS_ADISC)) + zfcp_test_link(port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: - ZFCP_LOG_FLAGS(2,"FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED\n"); debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ulp"); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; retval = @@ -1915,7 +1814,6 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) &header->fsf_status_qual.word[2]); break; case FSF_SQ_RETRY_IF_POSSIBLE: - ZFCP_LOG_FLAGS(2, "FSF_SQ_RETRY_IF_POSSIBLE\n"); debug_text_event(adapter->erp_dbf, 1, "fsf_sq_retry"); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; @@ -1928,7 +1826,6 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ELS_COMMAND_REJECTED: - ZFCP_LOG_FLAGS(2, "FSF_ELS_COMMAND_REJECTED\n"); ZFCP_LOG_INFO("ELS has been rejected because command filter " "prohibited sending " "(adapter: %s, port d_id: 0x%08x)\n", @@ -1937,7 +1834,6 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_PAYLOAD_SIZE_MISMATCH: - ZFCP_LOG_FLAGS(2, "FSF_PAYLOAD_SIZE_MISMATCH\n"); ZFCP_LOG_INFO( "ELS request size and ELS response size must be either " "both 0, or both greater than 0 " @@ -1948,7 +1844,6 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_REQUEST_SIZE_TOO_LARGE: - ZFCP_LOG_FLAGS(2, "FSF_REQUEST_SIZE_TOO_LARGE\n"); ZFCP_LOG_INFO( "Length of the ELS request buffer, " "specified in QTCB bottom, " @@ -1960,7 +1855,6 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_RESPONSE_SIZE_TOO_LARGE: - ZFCP_LOG_FLAGS(2, "FSF_RESPONSE_SIZE_TOO_LARGE\n"); ZFCP_LOG_INFO( "Length of the ELS response buffer, " "specified in QTCB bottom, " @@ -1973,7 +1867,6 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) case FSF_SBAL_MISMATCH: /* should never occure, avoided in zfcp_fsf_send_els */ - ZFCP_LOG_FLAGS(2, "FSF_SBAL_MISMATCH\n"); ZFCP_LOG_INFO("SBAL mismatch (adapter: %s, req_buf_length=%d, " "resp_buf_length=%d)\n", zfcp_get_busid_by_adapter(adapter), @@ -1982,7 +1875,6 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ACCESS_DENIED: - ZFCP_LOG_FLAGS(2, "FSF_ACCESS_DENIED\n"); ZFCP_LOG_NORMAL("access denied, cannot send ELS command " "(adapter %s, port d_id=0x%08x)\n", zfcp_get_busid_by_adapter(adapter), d_id); @@ -2000,11 +1892,8 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) } } debug_text_event(adapter->erp_dbf, 1, "fsf_s_access"); - read_lock(&zfcp_data.config_lock); - port = zfcp_get_port_by_did(adapter, d_id); if (port != NULL) zfcp_erp_port_access_denied(port); - read_unlock(&zfcp_data.config_lock); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; @@ -2195,14 +2084,11 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req) switch (fsf_req->qtcb->header.fsf_status) { case FSF_GOOD: - ZFCP_LOG_FLAGS(2, "FSF_GOOD\n"); - if (zfcp_fsf_exchange_config_evaluate(fsf_req, 1)) return -EIO; switch (adapter->fc_topology) { case FSF_TOPO_P2P: - ZFCP_LOG_FLAGS(1, "FSF_TOPO_P2P\n"); ZFCP_LOG_NORMAL("Point-to-Point fibrechannel " "configuration detected at adapter %s\n" "Peer WWNN 0x%016llx, " @@ -2216,7 +2102,6 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req) "top-p-to-p"); break; case FSF_TOPO_AL: - ZFCP_LOG_FLAGS(1, "FSF_TOPO_AL\n"); ZFCP_LOG_NORMAL("error: Arbitrated loop fibrechannel " "topology detected at adapter %s " "unsupported, shutting down adapter\n", @@ -2226,7 +2111,6 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req) zfcp_erp_adapter_shutdown(adapter, 0); return -EIO; case FSF_TOPO_FABRIC: - ZFCP_LOG_FLAGS(1, "FSF_TOPO_FABRIC\n"); ZFCP_LOG_INFO("Switched fabric fibrechannel " "network detected at adapter %s.\n", zfcp_get_busid_by_adapter(adapter)); @@ -2357,7 +2241,7 @@ zfcp_fsf_exchange_port_data(struct zfcp_adapter *adapter, wait_event(fsf_req->completion_wq, fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED); del_timer_sync(timer); - zfcp_fsf_req_cleanup(fsf_req); + zfcp_fsf_req_free(fsf_req); out: kfree(timer); return retval; @@ -2379,7 +2263,6 @@ zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *fsf_req) switch (fsf_req->qtcb->header.fsf_status) { case FSF_GOOD: - ZFCP_LOG_FLAGS(2,"FSF_GOOD\n"); bottom = &fsf_req->qtcb->bottom.port; memcpy(data, bottom, sizeof(*data)); break; @@ -2481,7 +2364,6 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req) switch (header->fsf_status) { case FSF_PORT_ALREADY_OPEN: - ZFCP_LOG_FLAGS(0, "FSF_PORT_ALREADY_OPEN\n"); ZFCP_LOG_NORMAL("bug: remote port 0x%016Lx on adapter %s " "is already open.\n", port->wwpn, zfcp_get_busid_by_port(port)); @@ -2494,7 +2376,6 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ACCESS_DENIED: - ZFCP_LOG_FLAGS(2, "FSF_ACCESS_DENIED\n"); ZFCP_LOG_NORMAL("Access denied, cannot open port 0x%016Lx " "on adapter %s\n", port->wwpn, zfcp_get_busid_by_port(port)); @@ -2517,7 +2398,6 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED: - ZFCP_LOG_FLAGS(1, "FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED\n"); ZFCP_LOG_INFO("error: The FSF adapter is out of resources. " "The remote port 0x%016Lx on adapter %s " "could not be opened. Disabling it.\n", @@ -2529,11 +2409,8 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ADAPTER_STATUS_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_ADAPTER_STATUS_AVAILABLE\n"); switch (header->fsf_status_qual.word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_INVOKE_LINK_TEST_PROCEDURE\n"); debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_sq_ltest"); /* ERP strategy will escalate */ @@ -2546,7 +2423,6 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req) fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_NO_RETRY_POSSIBLE: - ZFCP_LOG_FLAGS(0, "FSF_SQ_NO_RETRY_POSSIBLE\n"); ZFCP_LOG_NORMAL("The remote port 0x%016Lx on " "adapter %s could not be opened. " "Disabling it.\n", @@ -2572,7 +2448,6 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_GOOD: - ZFCP_LOG_FLAGS(3, "FSF_GOOD\n"); /* save port handle assigned by FSF */ port->handle = header->port_handle; ZFCP_LOG_INFO("The remote port 0x%016Lx via adapter %s " @@ -2582,6 +2457,9 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req) /* mark port as open */ atomic_set_mask(ZFCP_STATUS_COMMON_OPEN | ZFCP_STATUS_PORT_PHYS_OPEN, &port->status); + atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED | + ZFCP_STATUS_COMMON_ACCESS_BOXED, + &port->status); retval = 0; /* check whether D_ID has changed during open */ /* @@ -2630,7 +2508,6 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req) case FSF_UNKNOWN_OP_SUBTYPE: /* should never occure, subtype not set in zfcp_fsf_open_port */ - ZFCP_LOG_FLAGS(2, "FSF_UNKNOWN_OP_SUBTYPE\n"); ZFCP_LOG_INFO("unknown operation subtype (adapter: %s, " "op_subtype=0x%x)\n", zfcp_get_busid_by_port(port), @@ -2739,7 +2616,6 @@ zfcp_fsf_close_port_handler(struct zfcp_fsf_req *fsf_req) switch (fsf_req->qtcb->header.fsf_status) { case FSF_PORT_HANDLE_NOT_VALID: - ZFCP_LOG_FLAGS(1, "FSF_PORT_HANDLE_NOT_VALID\n"); ZFCP_LOG_INFO("Temporary port identifier 0x%x for port " "0x%016Lx on adapter %s invalid. This may happen " "occasionally.\n", port->handle, @@ -2755,7 +2631,6 @@ zfcp_fsf_close_port_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ADAPTER_STATUS_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_ADAPTER_STATUS_AVAILABLE\n"); /* Note: FSF has actually closed the port in this case. * The status code is just daft. Fingers crossed for a change */ @@ -2763,7 +2638,6 @@ zfcp_fsf_close_port_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_GOOD: - ZFCP_LOG_FLAGS(3, "FSF_GOOD\n"); ZFCP_LOG_TRACE("remote port 0x016%Lx on adapter %s closed, " "port handle 0x%x\n", port->wwpn, zfcp_get_busid_by_port(port), port->handle); @@ -2884,7 +2758,6 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req) switch (header->fsf_status) { case FSF_PORT_HANDLE_NOT_VALID: - ZFCP_LOG_FLAGS(1, "FSF_PORT_HANDLE_NOT_VALID\n"); ZFCP_LOG_INFO("Temporary port identifier 0x%x invalid" "(adapter %s, port 0x%016Lx). " "This may happen occasionally.\n", @@ -2902,7 +2775,6 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ACCESS_DENIED: - ZFCP_LOG_FLAGS(2, "FSF_ACCESS_DENIED\n"); ZFCP_LOG_NORMAL("Access denied, cannot close " "physical port 0x%016Lx on adapter %s\n", port->wwpn, zfcp_get_busid_by_port(port)); @@ -2925,32 +2797,26 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_PORT_BOXED: - ZFCP_LOG_FLAGS(2, "FSF_PORT_BOXED\n"); ZFCP_LOG_DEBUG("The remote port 0x%016Lx on adapter " "%s needs to be reopened but it was attempted " "to close it physically.\n", port->wwpn, zfcp_get_busid_by_port(port)); debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_s_pboxed"); - zfcp_erp_port_reopen(port, 0); + zfcp_erp_port_boxed(port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; case FSF_ADAPTER_STATUS_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_ADAPTER_STATUS_AVAILABLE\n"); switch (header->fsf_status_qual.word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_INVOKE_LINK_TEST_PROCEDURE\n"); debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_sq_ltest"); /* This will now be escalated by ERP */ fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED\n"); /* ERP strategy will escalate */ debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_sq_ulp"); @@ -2970,7 +2836,6 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_GOOD: - ZFCP_LOG_FLAGS(3, "FSF_GOOD\n"); ZFCP_LOG_DEBUG("Remote port 0x%016Lx via adapter %s " "physically closed, port handle 0x%x\n", port->wwpn, @@ -3116,7 +2981,6 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) switch (header->fsf_status) { case FSF_PORT_HANDLE_NOT_VALID: - ZFCP_LOG_FLAGS(1, "FSF_PORT_HANDLE_NOT_VALID\n"); ZFCP_LOG_INFO("Temporary port identifier 0x%x " "for port 0x%016Lx on adapter %s invalid " "This may happen occasionally\n", @@ -3132,7 +2996,6 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_LUN_ALREADY_OPEN: - ZFCP_LOG_FLAGS(0, "FSF_LUN_ALREADY_OPEN\n"); ZFCP_LOG_NORMAL("bug: Attempted to open unit 0x%016Lx on " "remote port 0x%016Lx on adapter %s twice.\n", unit->fcp_lun, @@ -3143,7 +3006,6 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ACCESS_DENIED: - ZFCP_LOG_FLAGS(2, "FSF_ACCESS_DENIED\n"); ZFCP_LOG_NORMAL("Access denied, cannot open unit 0x%016Lx on " "remote port 0x%016Lx on adapter %s\n", unit->fcp_lun, unit->port->wwpn, @@ -3169,18 +3031,16 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_PORT_BOXED: - ZFCP_LOG_FLAGS(2, "FSF_PORT_BOXED\n"); ZFCP_LOG_DEBUG("The remote port 0x%016Lx on adapter %s " "needs to be reopened\n", unit->port->wwpn, zfcp_get_busid_by_unit(unit)); debug_text_event(adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(unit->port, 0); + zfcp_erp_port_boxed(unit->port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; case FSF_LUN_SHARING_VIOLATION: - ZFCP_LOG_FLAGS(2, "FSF_LUN_SHARING_VIOLATION\n"); if (header->fsf_status_qual.word[0] != 0) { ZFCP_LOG_NORMAL("FCP-LUN 0x%Lx at the remote port " "with WWPN 0x%Lx " @@ -3224,7 +3084,6 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED: - ZFCP_LOG_FLAGS(1, "FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED\n"); ZFCP_LOG_INFO("error: The adapter ran out of resources. " "There is no handle (temporary port identifier) " "available for unit 0x%016Lx on port 0x%016Lx " @@ -3239,20 +3098,15 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ADAPTER_STATUS_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_ADAPTER_STATUS_AVAILABLE\n"); switch (header->fsf_status_qual.word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_INVOKE_LINK_TEST_PROCEDURE\n"); /* Re-establish link to port */ debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ltest"); - zfcp_erp_port_reopen(unit->port, 0); + zfcp_test_link(unit->port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED\n"); /* ERP strategy will escalate */ debug_text_event(adapter->erp_dbf, 1, "fsf_sq_ulp"); @@ -3271,7 +3125,6 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_INVALID_COMMAND_OPTION: - ZFCP_LOG_FLAGS(2, "FSF_INVALID_COMMAND_OPTION\n"); ZFCP_LOG_NORMAL( "Invalid option 0x%x has been specified " "in QTCB bottom sent to the adapter %s\n", @@ -3282,7 +3135,6 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_GOOD: - ZFCP_LOG_FLAGS(3, "FSF_GOOD\n"); /* save LUN handle assigned by FSF */ unit->handle = header->lun_handle; ZFCP_LOG_TRACE("unit 0x%016Lx on remote port 0x%016Lx on " @@ -3293,7 +3145,9 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req) unit->handle); /* mark unit as open */ atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status); - + atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED | + ZFCP_STATUS_COMMON_ACCESS_BOXED, + &unit->status); if (adapter->supported_features & FSF_FEATURE_LUN_SHARING){ if (!exclusive) atomic_set_mask(ZFCP_STATUS_UNIT_SHARED, @@ -3437,7 +3291,6 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req) switch (fsf_req->qtcb->header.fsf_status) { case FSF_PORT_HANDLE_NOT_VALID: - ZFCP_LOG_FLAGS(1, "FSF_PORT_HANDLE_NOT_VALID\n"); ZFCP_LOG_INFO("Temporary port identifier 0x%x for port " "0x%016Lx on adapter %s invalid. This may " "happen in rare circumstances\n", @@ -3458,7 +3311,6 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_LUN_HANDLE_NOT_VALID: - ZFCP_LOG_FLAGS(1, "FSF_LUN_HANDLE_NOT_VALID\n"); ZFCP_LOG_INFO("Temporary LUN identifier 0x%x of unit " "0x%016Lx on port 0x%016Lx on adapter %s is " "invalid. This may happen occasionally.\n", @@ -3480,32 +3332,26 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_PORT_BOXED: - ZFCP_LOG_FLAGS(2, "FSF_PORT_BOXED\n"); ZFCP_LOG_DEBUG("The remote port 0x%016Lx on adapter %s " "needs to be reopened\n", unit->port->wwpn, zfcp_get_busid_by_unit(unit)); debug_text_event(fsf_req->adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(unit->port, 0); + zfcp_erp_port_boxed(unit->port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; case FSF_ADAPTER_STATUS_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_ADAPTER_STATUS_AVAILABLE\n"); switch (fsf_req->qtcb->header.fsf_status_qual.word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_INVOKE_LINK_TEST_PROCEDURE\n"); /* re-establish link to port */ debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_sq_ltest"); - zfcp_erp_port_reopen(unit->port, 0); + zfcp_test_link(unit->port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED\n"); /* ERP strategy will escalate */ debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_sq_ulp"); @@ -3526,7 +3372,6 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_GOOD: - ZFCP_LOG_FLAGS(3, "FSF_GOOD\n"); ZFCP_LOG_TRACE("unit 0x%016Lx on port 0x%016Lx on adapter %s " "closed, port handle 0x%x\n", unit->fcp_lun, @@ -3622,7 +3467,6 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter, */ switch (scsi_cmnd->sc_data_direction) { case DMA_NONE: - ZFCP_LOG_FLAGS(3, "DMA_NONE\n"); fsf_req->qtcb->bottom.io.data_direction = FSF_DATADIR_CMND; /* * FIXME(qdio): @@ -3632,19 +3476,16 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter, sbtype = SBAL_FLAGS0_TYPE_READ; break; case DMA_FROM_DEVICE: - ZFCP_LOG_FLAGS(3, "DMA_FROM_DEVICE\n"); fsf_req->qtcb->bottom.io.data_direction = FSF_DATADIR_READ; sbtype = SBAL_FLAGS0_TYPE_READ; fcp_cmnd_iu->rddata = 1; break; case DMA_TO_DEVICE: - ZFCP_LOG_FLAGS(3, "DMA_TO_DEVICE\n"); fsf_req->qtcb->bottom.io.data_direction = FSF_DATADIR_WRITE; sbtype = SBAL_FLAGS0_TYPE_WRITE; fcp_cmnd_iu->wddata = 1; break; case DMA_BIDIRECTIONAL: - ZFCP_LOG_FLAGS(0, "DMA_BIDIRECTIONAL not supported\n"); default: /* * dummy, catch this condition earlier @@ -3877,7 +3718,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) switch (header->fsf_status) { case FSF_PORT_HANDLE_NOT_VALID: - ZFCP_LOG_FLAGS(1, "FSF_PORT_HANDLE_NOT_VALID\n"); ZFCP_LOG_INFO("Temporary port identifier 0x%x for port " "0x%016Lx on adapter %s invalid\n", unit->port->handle, @@ -3892,7 +3732,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_LUN_HANDLE_NOT_VALID: - ZFCP_LOG_FLAGS(1, "FSF_LUN_HANDLE_NOT_VALID\n"); ZFCP_LOG_INFO("Temporary LUN identifier 0x%x for unit " "0x%016Lx on port 0x%016Lx on adapter %s is " "invalid. This may happen occasionally.\n", @@ -3911,7 +3750,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_HANDLE_MISMATCH: - ZFCP_LOG_FLAGS(0, "FSF_HANDLE_MISMATCH\n"); ZFCP_LOG_NORMAL("bug: The port handle 0x%x has changed " "unexpectedly. (adapter %s, port 0x%016Lx, " "unit 0x%016Lx)\n", @@ -3934,7 +3772,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_SERVICE_CLASS_NOT_SUPPORTED: - ZFCP_LOG_FLAGS(0, "FSF_SERVICE_CLASS_NOT_SUPPORTED\n"); if (fsf_req->adapter->fc_service_class <= 3) { ZFCP_LOG_NORMAL("error: The adapter %s does " "not support fibrechannel class %d.\n", @@ -3959,7 +3796,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_FCPLUN_NOT_VALID: - ZFCP_LOG_FLAGS(0, "FSF_FCPLUN_NOT_VALID\n"); ZFCP_LOG_NORMAL("bug: unit 0x%016Lx on port 0x%016Lx on " "adapter %s does not have correct unit " "handle 0x%x\n", @@ -3982,7 +3818,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ACCESS_DENIED: - ZFCP_LOG_FLAGS(2, "FSF_ACCESS_DENIED\n"); ZFCP_LOG_NORMAL("Access denied, cannot send FCP command to " "unit 0x%016Lx on port 0x%016Lx on " "adapter %s\n", unit->fcp_lun, unit->port->wwpn, @@ -4006,7 +3841,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_DIRECTION_INDICATOR_NOT_VALID: - ZFCP_LOG_FLAGS(0, "FSF_DIRECTION_INDICATOR_NOT_VALID\n"); ZFCP_LOG_INFO("bug: Invalid data direction given for unit " "0x%016Lx on port 0x%016Lx on adapter %s " "(debug info %d)\n", @@ -4026,7 +3860,6 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_CMND_LENGTH_NOT_VALID: - ZFCP_LOG_FLAGS(0, "FSF_CMND_LENGTH_NOT_VALID\n"); ZFCP_LOG_NORMAL ("bug: An invalid control-data-block length field " "was found in a command for unit 0x%016Lx on port " @@ -4046,69 +3879,43 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_PORT_BOXED: - ZFCP_LOG_FLAGS(2, "FSF_PORT_BOXED\n"); ZFCP_LOG_DEBUG("The remote port 0x%016Lx on adapter %s " "needs to be reopened\n", unit->port->wwpn, zfcp_get_busid_by_unit(unit)); debug_text_event(fsf_req->adapter->erp_dbf, 2, "fsf_s_pboxed"); - zfcp_erp_port_reopen(unit->port, 0); - zfcp_cmd_dbf_event_fsf("portbox", fsf_req, - &header->fsf_status_qual, - sizeof (union fsf_status_qual)); + zfcp_erp_port_boxed(unit->port); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; case FSF_LUN_BOXED: - ZFCP_LOG_FLAGS(0, "FSF_LUN_BOXED\n"); ZFCP_LOG_NORMAL("unit needs to be reopened (adapter %s, " "wwpn=0x%016Lx, fcp_lun=0x%016Lx)\n", zfcp_get_busid_by_unit(unit), unit->port->wwpn, unit->fcp_lun); debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_s_lboxed"); - zfcp_erp_unit_reopen(unit, 0); - zfcp_cmd_dbf_event_fsf("unitbox", fsf_req, - &header->fsf_status_qual, - sizeof(union fsf_status_qual)); + zfcp_erp_unit_boxed(unit); fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR | ZFCP_STATUS_FSFREQ_RETRY; break; case FSF_ADAPTER_STATUS_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_ADAPTER_STATUS_AVAILABLE\n"); switch (header->fsf_status_qual.word[0]) { case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: - ZFCP_LOG_FLAGS(2, - "FSF_SQ_INVOKE_LINK_TEST_PROCEDURE\n"); /* re-establish link to port */ debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_sq_ltest"); - zfcp_erp_port_reopen(unit->port, 0); - zfcp_cmd_dbf_event_fsf( - "sqltest", - fsf_req, - &header->fsf_status_qual, - sizeof (union fsf_status_qual)); - fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; + zfcp_test_link(unit->port); break; case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: - ZFCP_LOG_FLAGS(3, - "FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED\n"); /* FIXME(hw) need proper specs for proper action */ /* let scsi stack deal with retries and escalation */ debug_text_event(fsf_req->adapter->erp_dbf, 1, "fsf_sq_ulp"); - zfcp_cmd_dbf_event_fsf( - "sqdeperp", - fsf_req, - &header->fsf_status_qual, - sizeof (union fsf_status_qual)); - fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; default: - /* FIXME: shall we consider this a successful transfer? */ ZFCP_LOG_NORMAL - ("bug: Wrong status qualifier 0x%x arrived.\n", + ("Unknown status qualifier 0x%x arrived.\n", header->fsf_status_qual.word[0]); debug_text_event(fsf_req->adapter->erp_dbf, 0, "fsf_sq_inval:"); @@ -4117,14 +3924,13 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req) sizeof(u32)); break; } + fsf_req->status |= ZFCP_STATUS_FSFREQ_ERROR; break; case FSF_GOOD: - ZFCP_LOG_FLAGS(3, "FSF_GOOD\n"); break; case FSF_FCP_RSP_AVAILABLE: - ZFCP_LOG_FLAGS(2, "FSF_FCP_RSP_AVAILABLE\n"); break; default: @@ -4217,14 +4023,12 @@ zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *fsf_req) ZFCP_LOG_DEBUG("rsp_len is valid\n"); switch (fcp_rsp_info[3]) { case RSP_CODE_GOOD: - ZFCP_LOG_FLAGS(3, "RSP_CODE_GOOD\n"); /* ok, continue */ ZFCP_LOG_TRACE("no failure or Task Management " "Function complete\n"); set_host_byte(&scpnt->result, DID_OK); break; case RSP_CODE_LENGTH_MISMATCH: - ZFCP_LOG_FLAGS(0, "RSP_CODE_LENGTH_MISMATCH\n"); /* hardware bug */ ZFCP_LOG_NORMAL("bug: FCP response code indictates " "that the fibrechannel protocol data " @@ -4242,7 +4046,6 @@ zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *fsf_req) set_host_byte(&scpnt->result, DID_ERROR); goto skip_fsfstatus; case RSP_CODE_FIELD_INVALID: - ZFCP_LOG_FLAGS(0, "RSP_CODE_FIELD_INVALID\n"); /* driver or hardware bug */ ZFCP_LOG_NORMAL("bug: FCP response code indictates " "that the fibrechannel protocol data " @@ -4261,7 +4064,6 @@ zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *fsf_req) zfcp_cmd_dbf_event_fsf("codeinv", fsf_req, NULL, 0); goto skip_fsfstatus; case RSP_CODE_RO_MISMATCH: - ZFCP_LOG_FLAGS(0, "RSP_CODE_RO_MISMATCH\n"); /* hardware bug */ ZFCP_LOG_NORMAL("bug: The FCP response code indicates " "that conflicting values for the " @@ -4407,13 +4209,11 @@ zfcp_fsf_send_fcp_command_task_management_handler(struct zfcp_fsf_req *fsf_req) /* check FCP_RSP_INFO */ switch (fcp_rsp_info[3]) { case RSP_CODE_GOOD: - ZFCP_LOG_FLAGS(3, "RSP_CODE_GOOD\n"); /* ok, continue */ ZFCP_LOG_DEBUG("no failure or Task Management " "Function complete\n"); break; case RSP_CODE_TASKMAN_UNSUPP: - ZFCP_LOG_FLAGS(0, "RSP_CODE_TASKMAN_UNSUPP\n"); ZFCP_LOG_NORMAL("bug: A reuested task management function " "is not supported on the target device " "unit 0x%016Lx, port 0x%016Lx, adapter %s\n ", @@ -4423,7 +4223,6 @@ zfcp_fsf_send_fcp_command_task_management_handler(struct zfcp_fsf_req *fsf_req) fsf_req->status |= ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP; break; case RSP_CODE_TASKMAN_FAILED: - ZFCP_LOG_FLAGS(0, "RSP_CODE_TASKMAN_FAILED\n"); ZFCP_LOG_NORMAL("bug: A reuested task management function " "failed to complete successfully. " "unit 0x%016Lx, port 0x%016Lx, adapter %s.\n", @@ -4610,7 +4409,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) switch (header->fsf_status) { case FSF_GOOD: - ZFCP_LOG_FLAGS(2, "FSF_GOOD\n"); ZFCP_LOG_NORMAL( "The FSF request has been successfully completed " "on the adapter %s\n", @@ -4618,7 +4416,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_OPERATION_PARTIALLY_SUCCESSFUL: - ZFCP_LOG_FLAGS(2, "FSF_OPERATION_PARTIALLY_SUCCESSFUL\n"); if (bottom->operation_subtype == FSF_CFDC_OPERATION_SUBTYPE) { switch (header->fsf_status_qual.word[0]) { @@ -4655,7 +4452,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_AUTHORIZATION_FAILURE: - ZFCP_LOG_FLAGS(2, "FSF_AUTHORIZATION_FAILURE\n"); ZFCP_LOG_NORMAL( "Adapter %s does not accept privileged commands\n", zfcp_get_busid_by_adapter(adapter)); @@ -4664,7 +4460,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_CFDC_ERROR_DETECTED: - ZFCP_LOG_FLAGS(2, "FSF_CFDC_ERROR_DETECTED\n"); ZFCP_LOG_NORMAL( "Error at position %d in the CFDC, " "CFDC is discarded by the adapter %s\n", @@ -4675,7 +4470,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_CONTROL_FILE_UPDATE_ERROR: - ZFCP_LOG_FLAGS(2, "FSF_CONTROL_FILE_UPDATE_ERROR\n"); ZFCP_LOG_NORMAL( "Adapter %s cannot harden the control file, " "file is discarded\n", @@ -4685,7 +4479,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_CONTROL_FILE_TOO_LARGE: - ZFCP_LOG_FLAGS(2, "FSF_CONTROL_FILE_TOO_LARGE\n"); ZFCP_LOG_NORMAL( "Control file is too large, file is discarded " "by the adapter %s\n", @@ -4695,7 +4488,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_ACCESS_CONFLICT_DETECTED: - ZFCP_LOG_FLAGS(2, "FSF_ACCESS_CONFLICT_DETECTED\n"); if (bottom->operation_subtype == FSF_CFDC_OPERATION_SUBTYPE) ZFCP_LOG_NORMAL( "CFDC has been discarded by the adapter %s, " @@ -4708,7 +4500,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_CONFLICTS_OVERRULED: - ZFCP_LOG_FLAGS(2, "FSF_CONFLICTS_OVERRULED\n"); if (bottom->operation_subtype == FSF_CFDC_OPERATION_SUBTYPE) ZFCP_LOG_NORMAL( "CFDC has been activated on the adapter %s, " @@ -4721,7 +4512,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_UNKNOWN_OP_SUBTYPE: - ZFCP_LOG_FLAGS(2, "FSF_UNKNOWN_OP_SUBTYPE\n"); ZFCP_LOG_NORMAL("unknown operation subtype (adapter: %s, " "op_subtype=0x%x)\n", zfcp_get_busid_by_adapter(adapter), @@ -4731,7 +4521,6 @@ zfcp_fsf_control_file_handler(struct zfcp_fsf_req *fsf_req) break; case FSF_INVALID_COMMAND_OPTION: - ZFCP_LOG_FLAGS(2, "FSF_INVALID_COMMAND_OPTION\n"); ZFCP_LOG_NORMAL( "Invalid option 0x%x has been specified " "in QTCB bottom sent to the adapter %s\n", @@ -4800,7 +4589,7 @@ zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *fsf_req, *status = fsf_req->status; /* cleanup request */ - zfcp_fsf_req_cleanup(fsf_req); + zfcp_fsf_req_free(fsf_req); out: return retval; } @@ -4999,9 +4788,9 @@ zfcp_fsf_req_send(struct zfcp_fsf_req *fsf_req, struct timer_list *timer) inc_seq_no = 0; /* put allocated FSF request at list tail */ - write_lock_irqsave(&adapter->fsf_req_list_lock, flags); + spin_lock_irqsave(&adapter->fsf_req_list_lock, flags); list_add_tail(&fsf_req->list, &adapter->fsf_req_list_head); - write_unlock_irqrestore(&adapter->fsf_req_list_lock, flags); + spin_unlock_irqrestore(&adapter->fsf_req_list_lock, flags); /* figure out expiration time of timeout and start timeout */ if (unlikely(timer)) { @@ -5045,9 +4834,9 @@ zfcp_fsf_req_send(struct zfcp_fsf_req *fsf_req, struct timer_list *timer) */ if (timer) del_timer(timer); - write_lock_irqsave(&adapter->fsf_req_list_lock, flags); + spin_lock_irqsave(&adapter->fsf_req_list_lock, flags); list_del(&fsf_req->list); - write_unlock_irqrestore(&adapter->fsf_req_list_lock, flags); + spin_unlock_irqrestore(&adapter->fsf_req_list_lock, flags); /* * adjust the number of free SBALs in request queue as well as * position of first one @@ -5085,25 +4874,4 @@ zfcp_fsf_req_send(struct zfcp_fsf_req *fsf_req, struct timer_list *timer) return retval; } -/* - * function: zfcp_fsf_req_cleanup - * - * purpose: cleans up an FSF request and removes it from the specified list - * - * returns: - * - * assumption: no pending SB in SBALEs other than QTCB - */ -void -zfcp_fsf_req_cleanup(struct zfcp_fsf_req *fsf_req) -{ - struct zfcp_adapter *adapter = fsf_req->adapter; - unsigned long flags; - - write_lock_irqsave(&adapter->fsf_req_list_lock, flags); - list_del(&fsf_req->list); - write_unlock_irqrestore(&adapter->fsf_req_list_lock, flags); - zfcp_fsf_req_free(fsf_req); -} - #undef ZFCP_LOG_AREA diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 06e862d7bc90..24e16ec331d9 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -229,52 +229,14 @@ zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter, ZFCP_LOG_TRACE("status is" " QDIO_STATUS_OUTBOUND_INT \n"); } - } // if (ZFCP_LOG_CHECK(ZFCP_LOG_LEVEL_TRACE)) + } if (unlikely(status & QDIO_STATUS_LOOK_FOR_ERROR)) { retval = -EIO; - ZFCP_LOG_FLAGS(1, "QDIO_STATUS_LOOK_FOR_ERROR \n"); - ZFCP_LOG_INFO("QDIO problem occurred (status=0x%x, " "qdio_error=0x%x, siga_error=0x%x)\n", status, qdio_error, siga_error); - if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION) { - ZFCP_LOG_FLAGS(2, - "QDIO_STATUS_ACTIVATE_CHECK_CONDITION\n"); - } - if (status & QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR) { - ZFCP_LOG_FLAGS(2, - "QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR\n"); - } - if (status & QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR) { - ZFCP_LOG_FLAGS(2, - "QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR\n"); - } - - if (siga_error & QDIO_SIGA_ERROR_ACCESS_EXCEPTION) { - ZFCP_LOG_FLAGS(2, "QDIO_SIGA_ERROR_ACCESS_EXCEPTION\n"); - } - - if (siga_error & QDIO_SIGA_ERROR_B_BIT_SET) { - ZFCP_LOG_FLAGS(2, "QDIO_SIGA_ERROR_B_BIT_SET\n"); - } - - switch (qdio_error) { - case 0: - ZFCP_LOG_FLAGS(3, "QDIO_OK"); - break; - case SLSB_P_INPUT_ERROR: - ZFCP_LOG_FLAGS(1, "SLSB_P_INPUT_ERROR\n"); - break; - case SLSB_P_OUTPUT_ERROR: - ZFCP_LOG_FLAGS(1, "SLSB_P_OUTPUT_ERROR\n"); - break; - default: - ZFCP_LOG_NORMAL("bug: unknown QDIO error 0x%x\n", - qdio_error); - break; - } /* Restarting IO on the failed adapter from scratch */ debug_text_event(adapter->erp_dbf, 1, "qdio_err"); /* @@ -484,37 +446,37 @@ int zfcp_qdio_reqid_check(struct zfcp_adapter *adapter, void *sbale_addr) { struct zfcp_fsf_req *fsf_req; - int retval = 0; /* invalid (per convention used in this driver) */ if (unlikely(!sbale_addr)) { ZFCP_LOG_NORMAL("bug: invalid reqid\n"); - retval = -EINVAL; - goto out; + return -EINVAL; } /* valid request id and thus (hopefully :) valid fsf_req address */ fsf_req = (struct zfcp_fsf_req *) sbale_addr; + /* serialize with zfcp_fsf_req_dismiss_all */ + spin_lock(&adapter->fsf_req_list_lock); + if (list_empty(&adapter->fsf_req_list_head)) { + spin_unlock(&adapter->fsf_req_list_lock); + return 0; + } + list_del(&fsf_req->list); + atomic_dec(&adapter->fsf_reqs_active); + spin_unlock(&adapter->fsf_req_list_lock); + if (unlikely(adapter != fsf_req->adapter)) { ZFCP_LOG_NORMAL("bug: invalid reqid (fsf_req=%p, " "fsf_req->adapter=%p, adapter=%p)\n", fsf_req, fsf_req->adapter, adapter); - retval = -EINVAL; - goto out; - } - - ZFCP_LOG_TRACE("fsf_req at %p, QTCB at %p\n", fsf_req, fsf_req->qtcb); - if (likely(fsf_req->qtcb)) { - ZFCP_LOG_TRACE("hex dump of QTCB:\n"); - ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_TRACE, (char *) fsf_req->qtcb, - sizeof(struct fsf_qtcb)); + return -EINVAL; } /* finish the FSF request */ zfcp_fsf_req_complete(fsf_req); - out: - return retval; + + return 0; } /** diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index e21b547fd427..b61d309352c3 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -433,7 +433,7 @@ zfcp_port_lookup(struct zfcp_adapter *adapter, int channel, scsi_id_t id) * FAILED - otherwise */ int -zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) +__zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) { int retval = SUCCESS; struct zfcp_fsf_req *new_fsf_req, *old_fsf_req; @@ -575,7 +575,7 @@ zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) *(u64 *) & new_fsf_req->qtcb->header.fsf_status_qual.word[0]; dbf_fsf_qual[1] = *(u64 *) & new_fsf_req->qtcb->header.fsf_status_qual.word[2]; - zfcp_fsf_req_cleanup(new_fsf_req); + zfcp_fsf_req_free(new_fsf_req); #else retval = zfcp_fsf_req_wait_and_cleanup(new_fsf_req, ZFCP_UNINTERRUPTIBLE, &status); @@ -611,6 +611,17 @@ zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) return retval; } +int +zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) +{ + int rc; + struct Scsi_Host *scsi_host = scpnt->device->host; + spin_lock_irq(scsi_host->host_lock); + rc = __zfcp_scsi_eh_abort_handler(scpnt); + spin_unlock_irq(scsi_host->host_lock); + return rc; +} + /* * function: zfcp_scsi_eh_device_reset_handler * @@ -625,8 +636,6 @@ zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt) struct zfcp_unit *unit = (struct zfcp_unit *) scpnt->device->hostdata; struct Scsi_Host *scsi_host = scpnt->device->host; - spin_unlock_irq(scsi_host->host_lock); - if (!unit) { ZFCP_LOG_NORMAL("bug: Tried reset for nonexistent unit\n"); retval = SUCCESS; @@ -669,7 +678,6 @@ zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt) retval = SUCCESS; } out: - spin_lock_irq(scsi_host->host_lock); return retval; } @@ -723,8 +731,6 @@ zfcp_scsi_eh_bus_reset_handler(struct scsi_cmnd *scpnt) struct zfcp_unit *unit; struct Scsi_Host *scsi_host = scpnt->device->host; - spin_unlock_irq(scsi_host->host_lock); - unit = (struct zfcp_unit *) scpnt->device->hostdata; ZFCP_LOG_NORMAL("bus reset because of problems with " "unit 0x%016Lx\n", unit->fcp_lun); @@ -732,7 +738,6 @@ zfcp_scsi_eh_bus_reset_handler(struct scsi_cmnd *scpnt) zfcp_erp_wait(unit->port->adapter); retval = SUCCESS; - spin_lock_irq(scsi_host->host_lock); return retval; } @@ -750,8 +755,6 @@ zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) struct zfcp_unit *unit; struct Scsi_Host *scsi_host = scpnt->device->host; - spin_unlock_irq(scsi_host->host_lock); - unit = (struct zfcp_unit *) scpnt->device->hostdata; ZFCP_LOG_NORMAL("host reset because of problems with " "unit 0x%016Lx\n", unit->fcp_lun); @@ -759,7 +762,6 @@ zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) zfcp_erp_wait(unit->port->adapter); retval = SUCCESS; - spin_lock_irq(scsi_host->host_lock); return retval; } @@ -922,7 +924,7 @@ struct fc_function_template zfcp_transport_functions = { * Generates attribute for a unit. */ #define ZFCP_DEFINE_SCSI_ATTR(_name, _format, _value) \ -static ssize_t zfcp_sysfs_scsi_##_name##_show(struct device *dev, \ +static ssize_t zfcp_sysfs_scsi_##_name##_show(struct device *dev, struct device_attribute *attr, \ char *buf) \ { \ struct scsi_device *sdev; \ diff --git a/drivers/s390/scsi/zfcp_sysfs_adapter.c b/drivers/s390/scsi/zfcp_sysfs_adapter.c index 23e2dca55bb8..e7345a74800a 100644 --- a/drivers/s390/scsi/zfcp_sysfs_adapter.c +++ b/drivers/s390/scsi/zfcp_sysfs_adapter.c @@ -50,7 +50,7 @@ static const char fc_topologies[5][25] = { * Generates attributes for an adapter. */ #define ZFCP_DEFINE_ADAPTER_ATTR(_name, _format, _value) \ -static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, \ +static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, struct device_attribute *attr, \ char *buf) \ { \ struct zfcp_adapter *adapter; \ @@ -90,7 +90,7 @@ ZFCP_DEFINE_ADAPTER_ATTR(in_recovery, "%d\n", atomic_test_mask * Store function of the "port_add" attribute of an adapter. */ static ssize_t -zfcp_sysfs_port_add_store(struct device *dev, const char *buf, size_t count) +zfcp_sysfs_port_add_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { wwn_t wwpn; char *endp; @@ -135,7 +135,7 @@ static DEVICE_ATTR(port_add, S_IWUSR, NULL, zfcp_sysfs_port_add_store); * Store function of the "port_remove" attribute of an adapter. */ static ssize_t -zfcp_sysfs_port_remove_store(struct device *dev, const char *buf, size_t count) +zfcp_sysfs_port_remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct zfcp_adapter *adapter; struct zfcp_port *port; @@ -196,7 +196,7 @@ static DEVICE_ATTR(port_remove, S_IWUSR, NULL, zfcp_sysfs_port_remove_store); * started for the belonging adapter. */ static ssize_t -zfcp_sysfs_adapter_failed_store(struct device *dev, +zfcp_sysfs_adapter_failed_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct zfcp_adapter *adapter; @@ -236,7 +236,7 @@ zfcp_sysfs_adapter_failed_store(struct device *dev, * "0" if adapter is working, otherwise "1". */ static ssize_t -zfcp_sysfs_adapter_failed_show(struct device *dev, char *buf) +zfcp_sysfs_adapter_failed_show(struct device *dev, struct device_attribute *attr, char *buf) { struct zfcp_adapter *adapter; diff --git a/drivers/s390/scsi/zfcp_sysfs_port.c b/drivers/s390/scsi/zfcp_sysfs_port.c index 6aafb2abb4b5..7a84c7d474d9 100644 --- a/drivers/s390/scsi/zfcp_sysfs_port.c +++ b/drivers/s390/scsi/zfcp_sysfs_port.c @@ -53,7 +53,7 @@ zfcp_sysfs_port_release(struct device *dev) * Generates attributes for a port. */ #define ZFCP_DEFINE_PORT_ATTR(_name, _format, _value) \ -static ssize_t zfcp_sysfs_port_##_name##_show(struct device *dev, \ +static ssize_t zfcp_sysfs_port_##_name##_show(struct device *dev, struct device_attribute *attr, \ char *buf) \ { \ struct zfcp_port *port; \ @@ -82,7 +82,7 @@ ZFCP_DEFINE_PORT_ATTR(access_denied, "%d\n", atomic_test_mask * Store function of the "unit_add" attribute of a port. */ static ssize_t -zfcp_sysfs_unit_add_store(struct device *dev, const char *buf, size_t count) +zfcp_sysfs_unit_add_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { fcp_lun_t fcp_lun; char *endp; @@ -125,7 +125,7 @@ static DEVICE_ATTR(unit_add, S_IWUSR, NULL, zfcp_sysfs_unit_add_store); * @count: number of bytes in buffer */ static ssize_t -zfcp_sysfs_unit_remove_store(struct device *dev, const char *buf, size_t count) +zfcp_sysfs_unit_remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct zfcp_port *port; struct zfcp_unit *unit; @@ -186,7 +186,7 @@ static DEVICE_ATTR(unit_remove, S_IWUSR, NULL, zfcp_sysfs_unit_remove_store); * started for the belonging port. */ static ssize_t -zfcp_sysfs_port_failed_store(struct device *dev, const char *buf, size_t count) +zfcp_sysfs_port_failed_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct zfcp_port *port; unsigned int val; @@ -224,7 +224,7 @@ zfcp_sysfs_port_failed_store(struct device *dev, const char *buf, size_t count) * "0" if port is working, otherwise "1". */ static ssize_t -zfcp_sysfs_port_failed_show(struct device *dev, char *buf) +zfcp_sysfs_port_failed_show(struct device *dev, struct device_attribute *attr, char *buf) { struct zfcp_port *port; diff --git a/drivers/s390/scsi/zfcp_sysfs_unit.c b/drivers/s390/scsi/zfcp_sysfs_unit.c index 87c0b461831f..0556642c9e1d 100644 --- a/drivers/s390/scsi/zfcp_sysfs_unit.c +++ b/drivers/s390/scsi/zfcp_sysfs_unit.c @@ -53,7 +53,7 @@ zfcp_sysfs_unit_release(struct device *dev) * Generates attribute for a unit. */ #define ZFCP_DEFINE_UNIT_ATTR(_name, _format, _value) \ -static ssize_t zfcp_sysfs_unit_##_name##_show(struct device *dev, \ +static ssize_t zfcp_sysfs_unit_##_name##_show(struct device *dev, struct device_attribute *attr, \ char *buf) \ { \ struct zfcp_unit *unit; \ @@ -86,7 +86,7 @@ ZFCP_DEFINE_UNIT_ATTR(access_readonly, "%d\n", atomic_test_mask * started for the belonging unit. */ static ssize_t -zfcp_sysfs_unit_failed_store(struct device *dev, const char *buf, size_t count) +zfcp_sysfs_unit_failed_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct zfcp_unit *unit; unsigned int val; @@ -123,7 +123,7 @@ zfcp_sysfs_unit_failed_store(struct device *dev, const char *buf, size_t count) * "0" if unit is working, otherwise "1". */ static ssize_t -zfcp_sysfs_unit_failed_show(struct device *dev, char *buf) +zfcp_sysfs_unit_failed_show(struct device *dev, struct device_attribute *attr, char *buf) { struct zfcp_unit *unit; 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