diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/aic7xxx_old.c | 298 |
1 files changed, 144 insertions, 154 deletions
diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c index 5dcef48d414f..c1766cc2bbc8 100644 --- a/drivers/scsi/aic7xxx_old.c +++ b/drivers/scsi/aic7xxx_old.c @@ -780,24 +780,26 @@ typedef enum { } ahc_bugs; struct aic7xxx_scb { - struct aic7xxx_hwscb *hscb; /* corresponding hardware scb */ - Scsi_Cmnd *cmd; /* Scsi_Cmnd for this scb */ - struct aic7xxx_scb *q_next; /* next scb in queue */ - volatile scb_flag_type flags; /* current state of scb */ - struct hw_scatterlist *sg_list; /* SG list in adapter format */ - unsigned char tag_action; - unsigned char sg_count; - unsigned char *sense_cmd; /* - * Allocate 6 characters for - * sense command. - */ - unsigned char *cmnd; - unsigned int sg_length; /* We init this during buildscb so we - * don't have to calculate anything - * during underflow/overflow/stat code - */ - void *kmalloc_ptr; - struct aic7xxx_scb_dma *scb_dma; + struct aic7xxx_hwscb *hscb; /* corresponding hardware scb */ + struct scsi_cmnd *cmd; /* scsi_cmnd for this scb */ + struct aic7xxx_scb *q_next; /* next scb in queue */ + volatile scb_flag_type flags; /* current state of scb */ + struct hw_scatterlist *sg_list; /* SG list in adapter format */ + unsigned char tag_action; + unsigned char sg_count; + unsigned char *sense_cmd; /* + * Allocate 6 characters for + * sense command. + */ + unsigned char *cmnd; + unsigned int sg_length; /* + * We init this during + * buildscb so we don't have + * to calculate anything during + * underflow/overflow/stat code + */ + void *kmalloc_ptr; + struct aic7xxx_scb_dma *scb_dma; }; /* @@ -918,79 +920,77 @@ struct aic7xxx_host { * We are grouping things here....first, items that get either read or * written with nearly every interrupt */ - volatile long flags; - ahc_feature features; /* chip features */ - unsigned long base; /* card base address */ - volatile unsigned char __iomem *maddr; /* memory mapped address */ - unsigned long isr_count; /* Interrupt count */ - unsigned long spurious_int; - scb_data_type *scb_data; - struct aic7xxx_cmd_queue { - Scsi_Cmnd *head; - Scsi_Cmnd *tail; - } completeq; + volatile long flags; + ahc_feature features; /* chip features */ + unsigned long base; /* card base address */ + volatile unsigned char __iomem *maddr; /* memory mapped address */ + unsigned long isr_count; /* Interrupt count */ + unsigned long spurious_int; + scb_data_type *scb_data; + struct aic7xxx_cmd_queue { + struct scsi_cmnd *head; + struct scsi_cmnd *tail; + } completeq; - /* - * Things read/written on nearly every entry into aic7xxx_queue() - */ - volatile scb_queue_type waiting_scbs; - unsigned char unpause; /* unpause value for HCNTRL */ - unsigned char pause; /* pause value for HCNTRL */ - volatile unsigned char qoutfifonext; - volatile unsigned char activescbs; /* active scbs */ - volatile unsigned char max_activescbs; - volatile unsigned char qinfifonext; - volatile unsigned char *untagged_scbs; - volatile unsigned char *qoutfifo; - volatile unsigned char *qinfifo; - - unsigned char dev_last_queue_full[MAX_TARGETS]; - unsigned char dev_last_queue_full_count[MAX_TARGETS]; - unsigned short ultraenb; /* Gets downloaded to card as a - bitmap */ - unsigned short discenable; /* Gets downloaded to card as a - bitmap */ - transinfo_type user[MAX_TARGETS]; - - unsigned char msg_buf[13]; /* The message for the target */ - unsigned char msg_type; + /* + * Things read/written on nearly every entry into aic7xxx_queue() + */ + volatile scb_queue_type waiting_scbs; + unsigned char unpause; /* unpause value for HCNTRL */ + unsigned char pause; /* pause value for HCNTRL */ + volatile unsigned char qoutfifonext; + volatile unsigned char activescbs; /* active scbs */ + volatile unsigned char max_activescbs; + volatile unsigned char qinfifonext; + volatile unsigned char *untagged_scbs; + volatile unsigned char *qoutfifo; + volatile unsigned char *qinfifo; + + unsigned char dev_last_queue_full[MAX_TARGETS]; + unsigned char dev_last_queue_full_count[MAX_TARGETS]; + unsigned short ultraenb; /* Gets downloaded to card as a bitmap */ + unsigned short discenable; /* Gets downloaded to card as a bitmap */ + transinfo_type user[MAX_TARGETS]; + + unsigned char msg_buf[13]; /* The message for the target */ + unsigned char msg_type; #define MSG_TYPE_NONE 0x00 #define MSG_TYPE_INITIATOR_MSGOUT 0x01 #define MSG_TYPE_INITIATOR_MSGIN 0x02 - unsigned char msg_len; /* Length of message */ - unsigned char msg_index; /* Index into msg_buf array */ + unsigned char msg_len; /* Length of message */ + unsigned char msg_index; /* Index into msg_buf array */ - /* - * We put the less frequently used host structure items after the more - * frequently used items to try and ease the burden on the cache subsystem. - * These entries are not *commonly* accessed, whereas the preceding entries - * are accessed very often. - */ - - unsigned int irq; /* IRQ for this adapter */ - int instance; /* aic7xxx instance number */ - int scsi_id; /* host adapter SCSI ID */ - int scsi_id_b; /* channel B for twin adapters */ - unsigned int bios_address; - int board_name_index; - unsigned short bios_control; /* bios control - SEEPROM */ - unsigned short adapter_control; /* adapter control - SEEPROM */ - struct pci_dev *pdev; - unsigned char pci_bus; - unsigned char pci_device_fn; - struct seeprom_config sc; - unsigned short sc_type; - unsigned short sc_size; - struct aic7xxx_host *next; /* allow for multiple IRQs */ - struct Scsi_Host *host; /* pointer to scsi host */ - struct list_head aic_devs; /* all aic_dev structs on host */ - int host_no; /* SCSI host number */ - unsigned long mbase; /* I/O memory address */ - ahc_chip chip; /* chip type */ - ahc_bugs bugs; - dma_addr_t fifo_dma; /* DMA handle for fifo arrays */ + /* + * We put the less frequently used host structure items + * after the more frequently used items to try and ease + * the burden on the cache subsystem. + * These entries are not *commonly* accessed, whereas + * the preceding entries are accessed very often. + */ + unsigned int irq; /* IRQ for this adapter */ + int instance; /* aic7xxx instance number */ + int scsi_id; /* host adapter SCSI ID */ + int scsi_id_b; /* channel B for twin adapters */ + unsigned int bios_address; + int board_name_index; + unsigned short bios_control; /* bios control - SEEPROM */ + unsigned short adapter_control; /* adapter control - SEEPROM */ + struct pci_dev *pdev; + unsigned char pci_bus; + unsigned char pci_device_fn; + struct seeprom_config sc; + unsigned short sc_type; + unsigned short sc_size; + struct aic7xxx_host *next; /* allow for multiple IRQs */ + struct Scsi_Host *host; /* pointer to scsi host */ + struct list_head aic_devs; /* all aic_dev structs on host */ + int host_no; /* SCSI host number */ + unsigned long mbase; /* I/O memory address */ + ahc_chip chip; /* chip type */ + ahc_bugs bugs; + dma_addr_t fifo_dma; /* DMA handle for fifo arrays */ }; /* @@ -1271,7 +1271,7 @@ static void aic7xxx_set_syncrate(struct aic7xxx_host *p, static void aic7xxx_set_width(struct aic7xxx_host *p, int target, int channel, int lun, unsigned int width, unsigned int type, struct aic_dev_data *aic_dev); -static void aic7xxx_panic_abort(struct aic7xxx_host *p, Scsi_Cmnd *cmd); +static void aic7xxx_panic_abort(struct aic7xxx_host *p, struct scsi_cmnd *cmd); static void aic7xxx_print_card(struct aic7xxx_host *p); static void aic7xxx_print_scratch_ram(struct aic7xxx_host *p); static void aic7xxx_print_sequencer(struct aic7xxx_host *p, int downloaded); @@ -2626,7 +2626,7 @@ aic7xxx_allocate_scb(struct aic7xxx_host *p) * we're finished. This function queues the completed commands. *-F*************************************************************************/ static void -aic7xxx_queue_cmd_complete(struct aic7xxx_host *p, Scsi_Cmnd *cmd) +aic7xxx_queue_cmd_complete(struct aic7xxx_host *p, struct scsi_cmnd *cmd) { aic7xxx_position(cmd) = SCB_LIST_NULL; cmd->host_scribble = (char *)p->completeq.head; @@ -2640,18 +2640,16 @@ aic7xxx_queue_cmd_complete(struct aic7xxx_host *p, Scsi_Cmnd *cmd) * Description: * Process the completed command queue. *-F*************************************************************************/ -static void -aic7xxx_done_cmds_complete(struct aic7xxx_host *p) +static void aic7xxx_done_cmds_complete(struct aic7xxx_host *p) { - Scsi_Cmnd *cmd; - - while (p->completeq.head != NULL) - { - cmd = p->completeq.head; - p->completeq.head = (Scsi_Cmnd *)cmd->host_scribble; - cmd->host_scribble = NULL; - cmd->scsi_done(cmd); - } + struct scsi_cmnd *cmd; + + while (p->completeq.head != NULL) { + cmd = p->completeq.head; + p->completeq.head = (struct scsi_Cmnd *) cmd->host_scribble; + cmd->host_scribble = NULL; + cmd->scsi_done(cmd); + } } /*+F************************************************************************* @@ -2687,11 +2685,11 @@ aic7xxx_free_scb(struct aic7xxx_host *p, struct aic7xxx_scb *scb) static void aic7xxx_done(struct aic7xxx_host *p, struct aic7xxx_scb *scb) { - Scsi_Cmnd *cmd = scb->cmd; - struct aic_dev_data *aic_dev = cmd->device->hostdata; - int tindex = TARGET_INDEX(cmd); - struct aic7xxx_scb *scbp; - unsigned char queue_depth; + struct scsi_cmnd *cmd = scb->cmd; + struct aic_dev_data *aic_dev = cmd->device->hostdata; + int tindex = TARGET_INDEX(cmd); + struct aic7xxx_scb *scbp; + unsigned char queue_depth; if (cmd->use_sg > 1) { @@ -2891,7 +2889,7 @@ aic7xxx_done(struct aic7xxx_host *p, struct aic7xxx_scb *scb) * aic7xxx_run_done_queue * * Description: - * Calls the aic7xxx_done() for the Scsi_Cmnd of each scb in the + * Calls the aic7xxx_done() for the scsi_cmnd of each scb in the * aborted list, and adds each scb to the free list. If complete * is TRUE, we also process the commands complete list. *-F*************************************************************************/ @@ -3826,9 +3824,9 @@ aic7xxx_construct_wdtr(struct aic7xxx_host *p, unsigned char bus_width) static void aic7xxx_calculate_residual (struct aic7xxx_host *p, struct aic7xxx_scb *scb) { - struct aic7xxx_hwscb *hscb; - Scsi_Cmnd *cmd; - int actual, i; + struct aic7xxx_hwscb *hscb; + struct scsi_cmnd *cmd; + int actual, i; cmd = scb->cmd; hscb = scb->hscb; @@ -4219,20 +4217,20 @@ aic7xxx_handle_seqint(struct aic7xxx_host *p, unsigned char intstat) case BAD_STATUS: { - unsigned char scb_index; - struct aic7xxx_hwscb *hscb; - Scsi_Cmnd *cmd; - - /* The sequencer will notify us when a command has an error that - * would be of interest to the kernel. This allows us to leave - * the sequencer running in the common case of command completes - * without error. The sequencer will have DMA'd the SCB back - * up to us, so we can reference the drivers SCB array. - * - * Set the default return value to 0 indicating not to send - * sense. The sense code will change this if needed and this - * reduces code duplication. - */ + unsigned char scb_index; + struct aic7xxx_hwscb *hscb; + struct scsi_cmnd *cmd; + + /* The sequencer will notify us when a command has an error that + * would be of interest to the kernel. This allows us to leave + * the sequencer running in the common case of command completes + * without error. The sequencer will have DMA'd the SCB back + * up to us, so we can reference the drivers SCB array. + * + * Set the default return value to 0 indicating not to send + * sense. The sense code will change this if needed and this + * reduces code duplication. + */ aic_outb(p, 0, RETURN_1); scb_index = aic_inb(p, SCB_TAG); if (scb_index > p->scb_data->numscbs) @@ -5800,9 +5798,9 @@ aic7xxx_handle_scsiint(struct aic7xxx_host *p, unsigned char intstat) } else if ((status & SELTO) != 0) { - unsigned char scbptr; - unsigned char nextscb; - Scsi_Cmnd *cmd; + unsigned char scbptr; + unsigned char nextscb; + struct scsi_cmnd *cmd; scbptr = aic_inb(p, WAITING_SCBH); if (scbptr > p->scb_data->maxhscbs) @@ -5941,11 +5939,11 @@ aic7xxx_handle_scsiint(struct aic7xxx_host *p, unsigned char intstat) /* * Determine the bus phase and queue an appropriate message. */ - char *phase; - Scsi_Cmnd *cmd; - unsigned char mesg_out = MSG_NOOP; - unsigned char lastphase = aic_inb(p, LASTPHASE); - unsigned char sstat2 = aic_inb(p, SSTAT2); + char *phase; + struct scsi_cmnd *cmd; + unsigned char mesg_out = MSG_NOOP; + unsigned char lastphase = aic_inb(p, LASTPHASE); + unsigned char sstat2 = aic_inb(p, SSTAT2); cmd = scb->cmd; switch (lastphase) @@ -6248,10 +6246,10 @@ aic7xxx_check_scbs(struct aic7xxx_host *p, char *buffer) static void aic7xxx_handle_command_completion_intr(struct aic7xxx_host *p) { - struct aic7xxx_scb *scb = NULL; - struct aic_dev_data *aic_dev; - Scsi_Cmnd *cmd; - unsigned char scb_index, tindex; + struct aic7xxx_scb *scb = NULL; + struct aic_dev_data *aic_dev; + struct scsi_cmnd *cmd; + unsigned char scb_index, tindex; #ifdef AIC7XXX_VERBOSE_DEBUGGING if( (p->isr_count < 16) && (aic7xxx_verbose > 0xffff) ) @@ -10131,9 +10129,8 @@ skip_pci_controller: * Description: * Build a SCB. *-F*************************************************************************/ -static void -aic7xxx_buildscb(struct aic7xxx_host *p, Scsi_Cmnd *cmd, - struct aic7xxx_scb *scb) +static void aic7xxx_buildscb(struct aic7xxx_host *p, struct scsi_cmnd *cmd, + struct aic7xxx_scb *scb) { unsigned short mask; struct aic7xxx_hwscb *hscb; @@ -10285,8 +10282,7 @@ aic7xxx_buildscb(struct aic7xxx_host *p, Scsi_Cmnd *cmd, * Description: * Queue a SCB to the controller. *-F*************************************************************************/ -static int -aic7xxx_queue(Scsi_Cmnd *cmd, void (*fn)(Scsi_Cmnd *)) +static int aic7xxx_queue(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) { struct aic7xxx_host *p; struct aic7xxx_scb *scb; @@ -10319,11 +10315,11 @@ aic7xxx_queue(Scsi_Cmnd *cmd, void (*fn)(Scsi_Cmnd *)) } scb->cmd = cmd; - /* - * Make sure the Scsi_Cmnd pointer is saved, the struct it points to - * is set up properly, and the parity error flag is reset, then send - * the SCB to the sequencer and watch the fun begin. - */ + /* + * Make sure the scsi_cmnd pointer is saved, the struct it points to + * is set up properly, and the parity error flag is reset, then send + * the SCB to the sequencer and watch the fun begin. + */ aic7xxx_position(cmd) = scb->hscb->tag; cmd->scsi_done = fn; cmd->result = DID_OK; @@ -10356,8 +10352,7 @@ aic7xxx_queue(Scsi_Cmnd *cmd, void (*fn)(Scsi_Cmnd *)) * aborted, then we will reset the channel and have all devices renegotiate. * Returns an enumerated type that indicates the status of the operation. *-F*************************************************************************/ -static int -__aic7xxx_bus_device_reset(Scsi_Cmnd *cmd) +static int __aic7xxx_bus_device_reset(struct scsi_cmnd *cmd) { struct aic7xxx_host *p; struct aic7xxx_scb *scb; @@ -10550,8 +10545,7 @@ __aic7xxx_bus_device_reset(Scsi_Cmnd *cmd) return SUCCESS; } -static int -aic7xxx_bus_device_reset(Scsi_Cmnd *cmd) +static int aic7xxx_bus_device_reset(struct scsi_cmnd *cmd) { int rc; @@ -10570,8 +10564,7 @@ aic7xxx_bus_device_reset(Scsi_Cmnd *cmd) * Description: * Abort the current SCSI command(s). *-F*************************************************************************/ -static void -aic7xxx_panic_abort(struct aic7xxx_host *p, Scsi_Cmnd *cmd) +static void aic7xxx_panic_abort(struct aic7xxx_host *p, struct scsi_cmnd *cmd) { printk("aic7xxx driver version %s\n", AIC7XXX_C_VERSION); @@ -10595,8 +10588,7 @@ aic7xxx_panic_abort(struct aic7xxx_host *p, Scsi_Cmnd *cmd) * Description: * Abort the current SCSI command(s). *-F*************************************************************************/ -static int -__aic7xxx_abort(Scsi_Cmnd *cmd) +static int __aic7xxx_abort(struct scsi_cmnd *cmd) { struct aic7xxx_scb *scb = NULL; struct aic7xxx_host *p; @@ -10813,8 +10805,7 @@ success: return SUCCESS; } -static int -aic7xxx_abort(Scsi_Cmnd *cmd) +static int aic7xxx_abort(struct scsi_cmnd *cmd) { int rc; @@ -10836,8 +10827,7 @@ aic7xxx_abort(Scsi_Cmnd *cmd) * DEVICE RESET message - on the offending target before pulling * the SCSI bus reset line. *-F*************************************************************************/ -static int -aic7xxx_reset(Scsi_Cmnd *cmd) +static int aic7xxx_reset(struct scsi_cmnd *cmd) { struct aic7xxx_scb *scb; struct aic7xxx_host *p; |
