diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.c | 35 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_dbf.h | 3 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 57 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 1 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fc.h | 112 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 97 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 20 |
7 files changed, 156 insertions, 169 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index fe818cd29dc1..21e5316e5003 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -870,8 +870,9 @@ void _zfcp_dbf_scsi(const char *tag, const char *tag2, int level, struct zfcp_dbf_scsi_record *rec = &dbf->scsi_buf; struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec; unsigned long flags; - struct fcp_rsp_iu *fcp_rsp; - char *fcp_rsp_info = NULL, *fcp_sns_info = NULL; + struct fcp_resp_with_ext *fcp_rsp; + struct fcp_resp_rsp_info *fcp_rsp_info = NULL; + char *fcp_sns_info = NULL; int offset = 0, buflen = 0; spin_lock_irqsave(&dbf->scsi_lock, flags); @@ -895,20 +896,22 @@ void _zfcp_dbf_scsi(const char *tag, const char *tag2, int level, rec->scsi_allowed = scsi_cmnd->allowed; } if (fsf_req != NULL) { - fcp_rsp = (struct fcp_rsp_iu *) - &(fsf_req->qtcb->bottom.io.fcp_rsp); - fcp_rsp_info = (unsigned char *) &fcp_rsp[1]; - fcp_sns_info = - zfcp_get_fcp_sns_info_ptr(fcp_rsp); - - rec->rsp_validity = fcp_rsp->validity.value; - rec->rsp_scsi_status = fcp_rsp->scsi_status; - rec->rsp_resid = fcp_rsp->fcp_resid; - if (fcp_rsp->validity.bits.fcp_rsp_len_valid) - rec->rsp_code = *(fcp_rsp_info + 3); - if (fcp_rsp->validity.bits.fcp_sns_len_valid) { - buflen = min((int)fcp_rsp->fcp_sns_len, - ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO); + fcp_rsp = (struct fcp_resp_with_ext *) + &(fsf_req->qtcb->bottom.io.fcp_rsp); + fcp_rsp_info = (struct fcp_resp_rsp_info *) + &fcp_rsp[1]; + fcp_sns_info = (char *) &fcp_rsp[1]; + if (fcp_rsp->resp.fr_flags & FCP_RSP_LEN_VAL) + fcp_sns_info += fcp_rsp->ext.fr_sns_len; + + rec->rsp_validity = fcp_rsp->resp.fr_flags; + rec->rsp_scsi_status = fcp_rsp->resp.fr_status; + rec->rsp_resid = fcp_rsp->ext.fr_resid; + if (fcp_rsp->resp.fr_flags & FCP_RSP_LEN_VAL) + rec->rsp_code = fcp_rsp_info->rsp_code; + if (fcp_rsp->resp.fr_flags & FCP_SNS_LEN_VAL) { + buflen = min(fcp_rsp->ext.fr_sns_len, + (u32)ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO); rec->sns_info_len = buflen; memcpy(rec->sns_info, fcp_sns_info, min(buflen, diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h index 6b1461e8f847..c3e25702df5b 100644 --- a/drivers/s390/scsi/zfcp_dbf.h +++ b/drivers/s390/scsi/zfcp_dbf.h @@ -22,6 +22,7 @@ #ifndef ZFCP_DBF_H #define ZFCP_DBF_H +#include <scsi/fc/fc_fcp.h> #include "zfcp_ext.h" #include "zfcp_fsf.h" #include "zfcp_def.h" @@ -343,7 +344,7 @@ static inline void zfcp_dbf_scsi_devreset(const char *tag, u8 flag, struct zfcp_unit *unit, struct scsi_cmnd *scsi_cmnd) { - zfcp_dbf_scsi(flag == FCP_TARGET_RESET ? "trst" : "lrst", tag, 1, + zfcp_dbf_scsi(flag == FCP_TMF_TGT_RESET ? "trst" : "lrst", tag, 1, unit->port->adapter->dbf, scsi_cmnd, NULL, 0); } diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 08fa31302f75..0317e7f20850 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -73,65 +73,8 @@ /*************** FIBRE CHANNEL PROTOCOL SPECIFIC DEFINES ********************/ -/* task attribute values in FCP-2 FCP_CMND IU */ -#define SIMPLE_Q 0 -#define HEAD_OF_Q 1 -#define ORDERED_Q 2 -#define ACA_Q 4 -#define UNTAGGED 5 - -/* task management flags in FCP-2 FCP_CMND IU */ -#define FCP_CLEAR_ACA 0x40 -#define FCP_TARGET_RESET 0x20 -#define FCP_LOGICAL_UNIT_RESET 0x10 -#define FCP_CLEAR_TASK_SET 0x04 -#define FCP_ABORT_TASK_SET 0x02 - -#define FCP_CDB_LENGTH 16 - #define ZFCP_DID_MASK 0x00FFFFFF -/* FCP(-2) FCP_CMND IU */ -struct fcp_cmnd_iu { - u64 fcp_lun; /* FCP logical unit number */ - u8 crn; /* command reference number */ - u8 reserved0:5; /* reserved */ - u8 task_attribute:3; /* task attribute */ - u8 task_management_flags; /* task management flags */ - u8 add_fcp_cdb_length:6; /* additional FCP_CDB length */ - u8 rddata:1; /* read data */ - u8 wddata:1; /* write data */ - u8 fcp_cdb[FCP_CDB_LENGTH]; -} __attribute__((packed)); - -/* FCP(-2) FCP_RSP IU */ -struct fcp_rsp_iu { - u8 reserved0[10]; - union { - struct { - u8 reserved1:3; - u8 fcp_conf_req:1; - u8 fcp_resid_under:1; - u8 fcp_resid_over:1; - u8 fcp_sns_len_valid:1; - u8 fcp_rsp_len_valid:1; - } bits; - u8 value; - } validity; - u8 scsi_status; - u32 fcp_resid; - u32 fcp_sns_len; - u32 fcp_rsp_len; -} __attribute__((packed)); - - -#define RSP_CODE_GOOD 0 -#define RSP_CODE_LENGTH_MISMATCH 1 -#define RSP_CODE_FIELD_INVALID 2 -#define RSP_CODE_RO_MISMATCH 3 -#define RSP_CODE_TASKMAN_UNSUPP 4 -#define RSP_CODE_TASKMAN_FAILED 5 - /* see fc-fs */ #define LS_RSCN 0x61 #define LS_LOGO 0x05 diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index d372146af38d..3832fe0ae2e4 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -154,7 +154,6 @@ extern void zfcp_qdio_close(struct zfcp_qdio *); extern struct zfcp_data zfcp_data; extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); -extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); extern struct fc_function_template zfcp_transport_functions; extern void zfcp_scsi_rport_work(struct work_struct *); extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h new file mode 100644 index 000000000000..814fc2d2525a --- /dev/null +++ b/drivers/s390/scsi/zfcp_fc.h @@ -0,0 +1,112 @@ +/* + * zfcp device driver + * + * Fibre Channel related definitions and inline functions for the zfcp + * device driver + * + * Copyright IBM Corporation 2009 + */ + +#ifndef ZFCP_FC_H +#define ZFCP_FC_H + +#include <scsi/fc/fc_fcp.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_tcq.h> + +/** + * zfcp_fc_scsi_to_fcp - setup FCP command with data from scsi_cmnd + * @fcp: fcp_cmnd to setup + * @scsi: scsi_cmnd where to get LUN, task attributes/flags and CDB + */ +static inline +void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi) +{ + char tag[2]; + + int_to_scsilun(scsi->device->lun, (struct scsi_lun *) &fcp->fc_lun); + + if (scsi_populate_tag_msg(scsi, tag)) { + switch (tag[0]) { + case MSG_ORDERED_TAG: + fcp->fc_pri_ta |= FCP_PTA_ORDERED; + break; + case MSG_SIMPLE_TAG: + fcp->fc_pri_ta |= FCP_PTA_SIMPLE; + break; + }; + } else + fcp->fc_pri_ta = FCP_PTA_SIMPLE; + + if (scsi->sc_data_direction == DMA_FROM_DEVICE) + fcp->fc_flags |= FCP_CFL_RDDATA; + if (scsi->sc_data_direction == DMA_TO_DEVICE) + fcp->fc_flags |= FCP_CFL_WRDATA; + + memcpy(fcp->fc_cdb, scsi->cmnd, scsi->cmd_len); + + fcp->fc_dl = scsi_bufflen(scsi); +} + +/** + * zfcp_fc_fcp_tm - setup FCP command as task management command + * @fcp: fcp_cmnd to setup + * @dev: scsi_device where to send the task management command + * @tm: task management flags to setup tm command + */ +static inline +void zfcp_fc_fcp_tm(struct fcp_cmnd *fcp, struct scsi_device *dev, u8 tm_flags) +{ + int_to_scsilun(dev->lun, (struct scsi_lun *) &fcp->fc_lun); + fcp->fc_tm_flags |= tm_flags; +} + +/** + * zfcp_fc_evap_fcp_rsp - evaluate FCP RSP IU and update scsi_cmnd accordingly + * @fcp_rsp: FCP RSP IU to evaluate + * @scsi: SCSI command where to update status and sense buffer + */ +static inline +void zfcp_fc_eval_fcp_rsp(struct fcp_resp_with_ext *fcp_rsp, + struct scsi_cmnd *scsi) +{ + struct fcp_resp_rsp_info *rsp_info; + char *sense; + u32 sense_len, resid; + u8 rsp_flags; + + set_msg_byte(scsi, COMMAND_COMPLETE); + scsi->result |= fcp_rsp->resp.fr_status; + + rsp_flags = fcp_rsp->resp.fr_flags; + + if (unlikely(rsp_flags & FCP_RSP_LEN_VAL)) { + rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1]; + if (rsp_info->rsp_code == FCP_TMF_CMPL) + set_host_byte(scsi, DID_OK); + else { + set_host_byte(scsi, DID_ERROR); + return; + } + } + + if (unlikely(rsp_flags & FCP_SNS_LEN_VAL)) { + sense = (char *) &fcp_rsp[1]; + if (rsp_flags & FCP_RSP_LEN_VAL) + sense += fcp_rsp->ext.fr_sns_len; + sense_len = min(fcp_rsp->ext.fr_sns_len, + (u32) SCSI_SENSE_BUFFERSIZE); + memcpy(scsi->sense_buffer, sense, sense_len); + } + + if (unlikely(rsp_flags & FCP_RESID_UNDER)) { + resid = fcp_rsp->ext.fr_resid; + scsi_set_resid(scsi, resid); + if (scsi_bufflen(scsi) - resid < scsi->underflow && + !(rsp_flags & FCP_SNS_LEN_VAL) && + fcp_rsp->resp.fr_status == SAM_STAT_GOOD) + set_host_byte(scsi, DID_ERROR); + } +} + +#endif diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index b6f12c826b79..5f4cd03797e9 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -11,6 +11,7 @@ #include <linux/blktrace_api.h> #include "zfcp_ext.h" +#include "zfcp_fc.h" #include "zfcp_dbf.h" static void zfcp_fsf_request_timeout_handler(unsigned long data) @@ -2159,10 +2160,7 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi) static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req) { struct scsi_cmnd *scpnt; - struct fcp_rsp_iu *fcp_rsp_iu = (struct fcp_rsp_iu *) - &(req->qtcb->bottom.io.fcp_rsp); - u32 sns_len; - char *fcp_rsp_info = (unsigned char *) &fcp_rsp_iu[1]; + struct fcp_resp_with_ext *fcp_rsp; unsigned long flags; read_lock_irqsave(&req->adapter->abort_lock, flags); @@ -2183,37 +2181,11 @@ static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req) goto skip_fsfstatus; } - set_msg_byte(scpnt, COMMAND_COMPLETE); - - scpnt->result |= fcp_rsp_iu->scsi_status; + fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp; + zfcp_fc_eval_fcp_rsp(fcp_rsp, scpnt); zfcp_fsf_req_trace(req, scpnt); - if (unlikely(fcp_rsp_iu->validity.bits.fcp_rsp_len_valid)) { - if (fcp_rsp_info[3] == RSP_CODE_GOOD) - set_host_byte(scpnt, DID_OK); - else { - set_host_byte(scpnt, DID_ERROR); - goto skip_fsfstatus; - } - } - - if (unlikely(fcp_rsp_iu->validity.bits.fcp_sns_len_valid)) { - sns_len = FSF_FCP_RSP_SIZE - sizeof(struct fcp_rsp_iu) + - fcp_rsp_iu->fcp_rsp_len; - sns_len = min(sns_len, (u32) SCSI_SENSE_BUFFERSIZE); - sns_len = min(sns_len, fcp_rsp_iu->fcp_sns_len); - - memcpy(scpnt->sense_buffer, - zfcp_get_fcp_sns_info_ptr(fcp_rsp_iu), sns_len); - } - - if (unlikely(fcp_rsp_iu->validity.bits.fcp_resid_under)) { - scsi_set_resid(scpnt, fcp_rsp_iu->fcp_resid); - if (scsi_bufflen(scpnt) - scsi_get_resid(scpnt) < - scpnt->underflow) - set_host_byte(scpnt, DID_ERROR); - } skip_fsfstatus: if (scpnt->result != 0) zfcp_dbf_scsi_result("erro", 3, req->adapter->dbf, scpnt, req); @@ -2235,11 +2207,13 @@ skip_fsfstatus: static void zfcp_fsf_send_fcp_ctm_handler(struct zfcp_fsf_req *req) { - struct fcp_rsp_iu *fcp_rsp_iu = (struct fcp_rsp_iu *) - &(req->qtcb->bottom.io.fcp_rsp); - char *fcp_rsp_info = (unsigned char *) &fcp_rsp_iu[1]; + struct fcp_resp_with_ext *fcp_rsp; + struct fcp_resp_rsp_info *rsp_info; - if ((fcp_rsp_info[3] != RSP_CODE_GOOD) || + fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp; + rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1]; + + if ((rsp_info->rsp_code != FCP_TMF_CMPL) || (req->status & ZFCP_STATUS_FSFREQ_ERROR)) req->status |= ZFCP_STATUS_FSFREQ_TMFUNCFAILED; } @@ -2324,20 +2298,6 @@ skip_fsfstatus: } } -static void zfcp_set_fcp_dl(struct fcp_cmnd_iu *fcp_cmd, u32 fcp_dl) -{ - u32 *fcp_dl_ptr; - - /* - * fcp_dl_addr = start address of fcp_cmnd structure + - * size of fixed part + size of dynamically sized add_dcp_cdb field - * SEE FCP-2 documentation - */ - fcp_dl_ptr = (u32 *) ((unsigned char *) &fcp_cmd[1] + - (fcp_cmd->add_fcp_cdb_length << 2)); - *fcp_dl_ptr = fcp_dl; -} - /** * zfcp_fsf_send_fcp_command_task - initiate an FCP command (for a SCSI command) * @unit: unit where command is sent to @@ -2347,7 +2307,7 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit, struct scsi_cmnd *scsi_cmnd) { struct zfcp_fsf_req *req; - struct fcp_cmnd_iu *fcp_cmnd_iu; + struct fcp_cmnd *fcp_cmnd; unsigned int sbtype = SBAL_FLAGS0_TYPE_READ; int real_bytes, retval = -EIO; struct zfcp_adapter *adapter = unit->port->adapter; @@ -2379,16 +2339,14 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit, req->qtcb->header.lun_handle = unit->handle; req->qtcb->header.port_handle = unit->port->handle; req->qtcb->bottom.io.service_class = FSF_CLASS_3; + req->qtcb->bottom.io.fcp_cmnd_length = FCP_CMND_LEN; scsi_cmnd->host_scribble = (unsigned char *) req->req_id; - fcp_cmnd_iu = (struct fcp_cmnd_iu *) &(req->qtcb->bottom.io.fcp_cmnd); - fcp_cmnd_iu->fcp_lun = unit->fcp_lun; /* * set depending on data direction: * data direction bits in SBALE (SB Type) * data direction bits in QTCB - * data direction bits in FCP_CMND IU */ switch (scsi_cmnd->sc_data_direction) { case DMA_NONE: @@ -2396,32 +2354,17 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit, break; case DMA_FROM_DEVICE: req->qtcb->bottom.io.data_direction = FSF_DATADIR_READ; - fcp_cmnd_iu->rddata = 1; break; case DMA_TO_DEVICE: req->qtcb->bottom.io.data_direction = FSF_DATADIR_WRITE; sbtype = SBAL_FLAGS0_TYPE_WRITE; - fcp_cmnd_iu->wddata = 1; break; case DMA_BIDIRECTIONAL: goto failed_scsi_cmnd; } - if (likely((scsi_cmnd->device->simple_tags) || - ((atomic_read(&unit->status) & ZFCP_STATUS_UNIT_READONLY) && - (atomic_read(&unit->status) & ZFCP_STATUS_UNIT_SHARED)))) - fcp_cmnd_iu->task_attribute = SIMPLE_Q; - else - fcp_cmnd_iu->task_attribute = UNTAGGED; - - if (unlikely(scsi_cmnd->cmd_len > FCP_CDB_LENGTH)) - fcp_cmnd_iu->add_fcp_cdb_length = - (scsi_cmnd->cmd_len - FCP_CDB_LENGTH) >> 2; - - memcpy(fcp_cmnd_iu->fcp_cdb, scsi_cmnd->cmnd, scsi_cmnd->cmd_len); - - req->qtcb->bottom.io.fcp_cmnd_length = sizeof(struct fcp_cmnd_iu) + - fcp_cmnd_iu->add_fcp_cdb_length + sizeof(u32); + fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; + zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd); real_bytes = zfcp_qdio_sbals_from_sg(qdio, &req->queue_req, sbtype, scsi_sglist(scsi_cmnd), @@ -2439,8 +2382,6 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *unit, goto failed_scsi_cmnd; } - zfcp_set_fcp_dl(fcp_cmnd_iu, real_bytes); - retval = zfcp_fsf_req_send(req); if (unlikely(retval)) goto failed_scsi_cmnd; @@ -2466,7 +2407,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags) { struct qdio_buffer_element *sbale; struct zfcp_fsf_req *req = NULL; - struct fcp_cmnd_iu *fcp_cmnd_iu; + struct fcp_cmnd *fcp_cmnd; struct zfcp_qdio *qdio = unit->port->adapter->qdio; if (unlikely(!(atomic_read(&unit->status) & @@ -2492,16 +2433,14 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags) req->qtcb->header.port_handle = unit->port->handle; req->qtcb->bottom.io.data_direction = FSF_DATADIR_CMND; req->qtcb->bottom.io.service_class = FSF_CLASS_3; - req->qtcb->bottom.io.fcp_cmnd_length = sizeof(struct fcp_cmnd_iu) + - sizeof(u32); + req->qtcb->bottom.io.fcp_cmnd_length = FCP_CMND_LEN; sbale = zfcp_qdio_sbale_req(qdio, &req->queue_req); sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE; sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY; - fcp_cmnd_iu = (struct fcp_cmnd_iu *) &req->qtcb->bottom.io.fcp_cmnd; - fcp_cmnd_iu->fcp_lun = unit->fcp_lun; - fcp_cmnd_iu->task_management_flags = tm_flags; + fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; + zfcp_fc_fcp_tm(fcp_cmnd, unit->device, tm_flags); zfcp_fsf_start_timer(req, ZFCP_SCSI_ER_TIMEOUT); if (!zfcp_fsf_req_send(req)) diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 0ecec9c1b490..3d168410036b 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -9,6 +9,8 @@ #define KMSG_COMPONENT "zfcp" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/types.h> +#include <scsi/fc/fc_fcp.h> #include <asm/atomic.h> #include "zfcp_ext.h" #include "zfcp_dbf.h" @@ -17,18 +19,6 @@ static unsigned int default_depth = 32; module_param_named(queue_depth, default_depth, uint, 0600); MODULE_PARM_DESC(queue_depth, "Default queue depth for new SCSI devices"); -/* Find start of Sense Information in FCP response unit*/ -char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *fcp_rsp_iu) -{ - char *fcp_sns_info_ptr; - - fcp_sns_info_ptr = (unsigned char *) &fcp_rsp_iu[1]; - if (fcp_rsp_iu->validity.bits.fcp_rsp_len_valid) - fcp_sns_info_ptr += fcp_rsp_iu->fcp_rsp_len; - - return fcp_sns_info_ptr; -} - static int zfcp_scsi_change_queue_depth(struct scsi_device *sdev, int depth, int reason) { @@ -283,12 +273,12 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) static int zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt) { - return zfcp_task_mgmt_function(scpnt, FCP_LOGICAL_UNIT_RESET); + return zfcp_task_mgmt_function(scpnt, FCP_TMF_LUN_RESET); } static int zfcp_scsi_eh_target_reset_handler(struct scsi_cmnd *scpnt) { - return zfcp_task_mgmt_function(scpnt, FCP_TARGET_RESET); + return zfcp_task_mgmt_function(scpnt, FCP_TMF_TGT_RESET); } static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) @@ -325,7 +315,7 @@ int zfcp_adapter_scsi_register(struct zfcp_adapter *adapter) adapter->scsi_host->max_lun = 1; adapter->scsi_host->max_channel = 0; adapter->scsi_host->unique_id = dev_id.devno; - adapter->scsi_host->max_cmd_len = 255; + adapter->scsi_host->max_cmd_len = 16; /* in struct fcp_cmnd */ adapter->scsi_host->transportt = zfcp_data.scsi_transport_template; adapter->scsi_host->hostdata[0] = (unsigned long) adapter; |
