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提交 ee0ca6ba 编写于 作者: H Henne 提交者： James Bottomley
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[SCSI] scsi: Scsi_Cmnd convertion in arm subtree 

Changes the obsolete Scsi_Cmnd to struct scsi_cmnd in the arm subdir
of the scsi-subsys.
Signed-off-by: NHenrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: NRussell King <rmk@arm.linux.org.uk>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
上级 1516b55d
隐藏空白更改
内联 并排
Showing with 108 addition and 97 deletion
drivers/scsi/arm/acornscsi.c
浏览文件 @ ee0ca6ba
......@@ -194,7 +194,8 @@
unsigned int sdtr_period = SDTR_PERIOD;
unsigned int sdtr_size = SDTR_SIZE;
static void acornscsi_done(AS_Host *host, Scsi_Cmnd **SCpntp, unsigned int result);
static void acornscsi_done(AS_Host *host, struct scsi_cmnd **SCpntp,
unsigned int result);
static int acornscsi_reconnect_finish(AS_Host *host);
static void acornscsi_dma_cleanup(AS_Host *host);
static void acornscsi_abortcmd(AS_Host *host, unsigned char tag);
......@@ -712,7 +713,7 @@ static
intr_ret_t acornscsi_kick(AS_Host *host)
{
int from_queue = 0;
Scsi_Cmnd *SCpnt;
struct scsi_cmnd *SCpnt;
/* first check to see if a command is waiting to be executed */
SCpnt = host->origSCpnt;
......@@ -796,15 +797,15 @@ intr_ret_t acornscsi_kick(AS_Host *host)
}
/*
* Function: void acornscsi_done(AS_Host *host, Scsi_Cmnd **SCpntp, unsigned int result)
* Function: void acornscsi_done(AS_Host *host, struct scsi_cmnd **SCpntp, unsigned int result)
* Purpose : complete processing for command
* Params : host - interface that completed
* result - driver byte of result
*/
static
void acornscsi_done(AS_Host *host, Scsi_Cmnd **SCpntp, unsigned int result)
static void acornscsi_done(AS_Host *host, struct scsi_cmnd **SCpntp,
unsigned int result)
{
Scsi_Cmnd *SCpnt = *SCpntp;
struct scsi_cmnd *SCpnt = *SCpntp;
/* clean up */
sbic_arm_write(host->scsi.io_port, SBIC_SOURCEID, SOURCEID_ER | SOURCEID_DSP);
......@@ -1318,7 +1319,7 @@ acornscsi_write_pio(AS_Host *host, char *bytes, int *ptr, int len, unsigned int
static void
acornscsi_sendcommand(AS_Host *host)
{
Scsi_Cmnd *SCpnt = host->SCpnt;
struct scsi_cmnd *SCpnt = host->SCpnt;
sbic_arm_write(host->scsi.io_port, SBIC_TRANSCNTH, 0);
sbic_arm_writenext(host->scsi.io_port, 0);
......@@ -1693,7 +1694,7 @@ void acornscsi_message(AS_Host *host)
acornscsi_sbic_issuecmd(host, CMND_ASSERTATN);
msgqueue_addmsg(&host->scsi.msgs, 1, ABORT);
} else {
Scsi_Cmnd *SCpnt = host->SCpnt;
struct scsi_cmnd *SCpnt = host->SCpnt;
acornscsi_dma_cleanup(host);
......@@ -2509,13 +2510,14 @@ acornscsi_intr(int irq, void *dev_id, struct pt_regs *regs)
*/
/*
* Function : acornscsi_queuecmd(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
* Function : acornscsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
* Purpose : queues a SCSI command
* Params : cmd - SCSI command
* done - function called on completion, with pointer to command descriptor
* Returns : 0, or < 0 on error.
*/
int acornscsi_queuecmd(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
int acornscsi_queuecmd(struct scsi_cmnd *SCpnt,
void (*done)(struct scsi_cmnd *))
{
AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata;
......@@ -2565,17 +2567,18 @@ int acornscsi_queuecmd(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
}
/*
* Prototype: void acornscsi_reportstatus(Scsi_Cmnd **SCpntp1, Scsi_Cmnd **SCpntp2, int result)
* Prototype: void acornscsi_reportstatus(struct scsi_cmnd **SCpntp1, struct scsi_cmnd **SCpntp2, int result)
* Purpose : pass a result to *SCpntp1, and check if *SCpntp1 = *SCpntp2
* Params : SCpntp1 - pointer to command to return
* SCpntp2 - pointer to command to check
* result - result to pass back to mid-level done function
* Returns : *SCpntp2 = NULL if *SCpntp1 is the same command structure as *SCpntp2.
*/
static inline
void acornscsi_reportstatus(Scsi_Cmnd **SCpntp1, Scsi_Cmnd **SCpntp2, int result)
static inline void acornscsi_reportstatus(struct scsi_cmnd **SCpntp1,
struct scsi_cmnd **SCpntp2,
int result)
{
Scsi_Cmnd *SCpnt = *SCpntp1;
struct scsi_cmnd *SCpnt = *SCpntp1;
if (SCpnt) {
*SCpntp1 = NULL;
......@@ -2591,13 +2594,12 @@ void acornscsi_reportstatus(Scsi_Cmnd **SCpntp1, Scsi_Cmnd **SCpntp2, int result
enum res_abort { res_not_running, res_success, res_success_clear, res_snooze };
/*
* Prototype: enum res acornscsi_do_abort(Scsi_Cmnd *SCpnt)
* Prototype: enum res acornscsi_do_abort(struct scsi_cmnd *SCpnt)
* Purpose : abort a command on this host
* Params : SCpnt - command to abort
* Returns : our abort status
*/
static enum res_abort
acornscsi_do_abort(AS_Host *host, Scsi_Cmnd *SCpnt)
static enum res_abort acornscsi_do_abort(AS_Host *host, struct scsi_cmnd *SCpnt)
{
enum res_abort res = res_not_running;
......@@ -2684,12 +2686,12 @@ acornscsi_do_abort(AS_Host *host, Scsi_Cmnd *SCpnt)
}
/*
* Prototype: int acornscsi_abort(Scsi_Cmnd *SCpnt)
* Prototype: int acornscsi_abort(struct scsi_cmnd *SCpnt)
* Purpose : abort a command on this host
* Params : SCpnt - command to abort
* Returns : one of SCSI_ABORT_ macros
*/
int acornscsi_abort(Scsi_Cmnd *SCpnt)
int acornscsi_abort(struct scsi_cmnd *SCpnt)
{
AS_Host *host = (AS_Host *) SCpnt->device->host->hostdata;
int result;
......@@ -2770,16 +2772,16 @@ int acornscsi_abort(Scsi_Cmnd *SCpnt)
}
/*
* Prototype: int acornscsi_reset(Scsi_Cmnd *SCpnt, unsigned int reset_flags)
* Prototype: int acornscsi_reset(struct scsi_cmnd *SCpnt, unsigned int reset_flags)
* Purpose : reset a command on this host/reset this host
* Params : SCpnt - command causing reset
* result - what type of reset to perform
* Returns : one of SCSI_RESET_ macros
*/
int acornscsi_reset(Scsi_Cmnd *SCpnt, unsigned int reset_flags)
int acornscsi_reset(struct scsi_cmnd *SCpnt, unsigned int reset_flags)
{
AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata;
Scsi_Cmnd *SCptr;
AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata;
struct scsi_cmnd *SCptr;
host->stats.resets += 1;
......
drivers/scsi/arm/acornscsi.h
浏览文件 @ ee0ca6ba
......@@ -277,8 +277,8 @@ struct status_entry {
typedef struct acornscsi_hostdata {
/* miscellaneous */
struct Scsi_Host *host; /* host */
Scsi_Cmnd *SCpnt; /* currently processing command */
Scsi_Cmnd *origSCpnt; /* original connecting command */
struct scsi_cmnd *SCpnt; /* currently processing command */
struct scsi_cmnd *origSCpnt; /* original connecting command */
/* driver information */
struct {
......
drivers/scsi/arm/fas216.c
浏览文件 @ ee0ca6ba
......@@ -297,8 +297,8 @@ fas216_do_log(FAS216_Info *info, char target, char *fmt, va_list ap)
printk("scsi%d.%c: %s", info->host->host_no, target, buf);
}
static void
fas216_log_command(FAS216_Info *info, int level, Scsi_Cmnd *SCpnt, char *fmt, ...)
static void fas216_log_command(FAS216_Info *info, int level,
struct scsi_cmnd *SCpnt, char *fmt, ...)
{
va_list args;
......@@ -1662,7 +1662,7 @@ irqreturn_t fas216_intr(FAS216_Info *info)
return handled;
}
static void __fas216_start_command(FAS216_Info *info, Scsi_Cmnd *SCpnt)
static void __fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt)
{
int tot_msglen;
......@@ -1754,7 +1754,7 @@ static int parity_test(FAS216_Info *info, int target)
return info->device[target].parity_check;
}
static void fas216_start_command(FAS216_Info *info, Scsi_Cmnd *SCpnt)
static void fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt)
{
int disconnect_ok;
......@@ -1808,7 +1808,7 @@ static void fas216_start_command(FAS216_Info *info, Scsi_Cmnd *SCpnt)
__fas216_start_command(info, SCpnt);
}
static void fas216_allocate_tag(FAS216_Info *info, Scsi_Cmnd *SCpnt)
static void fas216_allocate_tag(FAS216_Info *info, struct scsi_cmnd *SCpnt)
{
#ifdef SCSI2_TAG
/*
......@@ -1842,7 +1842,8 @@ static void fas216_allocate_tag(FAS216_Info *info, Scsi_Cmnd *SCpnt)
}
}
static void fas216_do_bus_device_reset(FAS216_Info *info, Scsi_Cmnd *SCpnt)
static void fas216_do_bus_device_reset(FAS216_Info *info,
struct scsi_cmnd *SCpnt)
{
struct message *msg;
......@@ -1890,7 +1891,7 @@ static void fas216_do_bus_device_reset(FAS216_Info *info, Scsi_Cmnd *SCpnt)
*/
static void fas216_kick(FAS216_Info *info)
{
Scsi_Cmnd *SCpnt = NULL;
struct scsi_cmnd *SCpnt = NULL;
#define TYPE_OTHER 0
#define TYPE_RESET 1
#define TYPE_QUEUE 2
......@@ -1978,8 +1979,8 @@ static void fas216_kick(FAS216_Info *info)
/*
* Clean up from issuing a BUS DEVICE RESET message to a device.
*/
static void
fas216_devicereset_done(FAS216_Info *info, Scsi_Cmnd *SCpnt, unsigned int result)
static void fas216_devicereset_done(FAS216_Info *info, struct scsi_cmnd *SCpnt,
unsigned int result)
{
fas216_log(info, LOG_ERROR, "fas216 device reset complete");
......@@ -1996,8 +1997,8 @@ fas216_devicereset_done(FAS216_Info *info, Scsi_Cmnd *SCpnt, unsigned int result
*
* Finish processing automatic request sense command
*/
static void
fas216_rq_sns_done(FAS216_Info *info, Scsi_Cmnd *SCpnt, unsigned int result)
static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt,
unsigned int result)
{
fas216_log_target(info, LOG_CONNECT, SCpnt->device->id,
"request sense complete, result=0x%04x%02x%02x",
......@@ -2030,7 +2031,7 @@ fas216_rq_sns_done(FAS216_Info *info, Scsi_Cmnd *SCpnt, unsigned int result)
* Finish processing of standard command
*/
static void
fas216_std_done(FAS216_Info *info, Scsi_Cmnd *SCpnt, unsigned int result)
fas216_std_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, unsigned int result)
{
info->stats.fins += 1;
......@@ -2142,8 +2143,8 @@ fas216_std_done(FAS216_Info *info, Scsi_Cmnd *SCpnt, unsigned int result)
*/
static void fas216_done(FAS216_Info *info, unsigned int result)
{
void (*fn)(FAS216_Info *, Scsi_Cmnd *, unsigned int);
Scsi_Cmnd *SCpnt;
void (*fn)(FAS216_Info *, struct scsi_cmnd *, unsigned int);
struct scsi_cmnd *SCpnt;
unsigned long flags;
fas216_checkmagic(info);
......@@ -2182,7 +2183,7 @@ static void fas216_done(FAS216_Info *info, unsigned int result)
info->device[SCpnt->device->id].parity_check = 0;
clear_bit(SCpnt->device->id * 8 + SCpnt->device->lun, info->busyluns);
fn = (void (*)(FAS216_Info *, Scsi_Cmnd *, unsigned int))SCpnt->host_scribble;
fn = (void (*)(FAS216_Info *, struct scsi_cmnd *, unsigned int))SCpnt->host_scribble;
fn(info, SCpnt, result);
if (info->scsi.irq != NO_IRQ) {
......@@ -2207,7 +2208,8 @@ static void fas216_done(FAS216_Info *info, unsigned int result)
* Returns: 0 on success, else error.
* Notes: io_request_lock is held, interrupts are disabled.
*/
int fas216_queue_command(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
int fas216_queue_command(struct scsi_cmnd *SCpnt,
void (*done)(struct scsi_cmnd *))
{
FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata;
int result;
......@@ -2254,7 +2256,7 @@ int fas216_queue_command(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
*
* Trigger restart of a waiting thread in fas216_command
*/
static void fas216_internal_done(Scsi_Cmnd *SCpnt)
static void fas216_internal_done(struct scsi_cmnd *SCpnt)
{
FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata;
......@@ -2271,7 +2273,8 @@ static void fas216_internal_done(Scsi_Cmnd *SCpnt)
* Returns: scsi result code.
* Notes: io_request_lock is held, interrupts are disabled.
*/
int fas216_noqueue_command(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
int fas216_noqueue_command(struct scsi_cmnd *SCpnt,
void (*done)(struct scsi_cmnd *))
{
FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata;
......@@ -2350,7 +2353,8 @@ enum res_find {
* Decide how to abort a command.
* Returns: abort status
*/
static enum res_find fas216_find_command(FAS216_Info *info, Scsi_Cmnd *SCpnt)
static enum res_find fas216_find_command(FAS216_Info *info,
struct scsi_cmnd *SCpnt)
{
enum res_find res = res_failed;
......@@ -2417,7 +2421,7 @@ static enum res_find fas216_find_command(FAS216_Info *info, Scsi_Cmnd *SCpnt)
* Returns: FAILED if unable to abort
* Notes: io_request_lock is taken, and irqs are disabled
*/
int fas216_eh_abort(Scsi_Cmnd *SCpnt)
int fas216_eh_abort(struct scsi_cmnd *SCpnt)
{
FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata;
int result = FAILED;
......@@ -2474,7 +2478,7 @@ int fas216_eh_abort(Scsi_Cmnd *SCpnt)
* Notes: We won't be re-entered, so we'll only have one device
* reset on the go at one time.
*/
int fas216_eh_device_reset(Scsi_Cmnd *SCpnt)
int fas216_eh_device_reset(struct scsi_cmnd *SCpnt)
{
FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata;
unsigned long flags;
......@@ -2555,7 +2559,7 @@ int fas216_eh_device_reset(Scsi_Cmnd *SCpnt)
* Returns: FAILED if unable to reset.
* Notes: Further commands are blocked.
*/
int fas216_eh_bus_reset(Scsi_Cmnd *SCpnt)
int fas216_eh_bus_reset(struct scsi_cmnd *SCpnt)
{
FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata;
unsigned long flags;
......@@ -2655,7 +2659,7 @@ static void fas216_init_chip(FAS216_Info *info)
* Returns: FAILED if unable to reset.
* Notes: io_request_lock is taken, and irqs are disabled
*/
int fas216_eh_host_reset(Scsi_Cmnd *SCpnt)
int fas216_eh_host_reset(struct scsi_cmnd *SCpnt)
{
FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata;
......
drivers/scsi/arm/fas216.h
浏览文件 @ ee0ca6ba
......@@ -218,11 +218,11 @@ typedef struct {
unsigned long magic_start;
spinlock_t host_lock;
struct Scsi_Host *host; /* host */
Scsi_Cmnd *SCpnt; /* currently processing command */
Scsi_Cmnd *origSCpnt; /* original connecting command */
Scsi_Cmnd *reqSCpnt; /* request sense command */
Scsi_Cmnd *rstSCpnt; /* reset command */
Scsi_Cmnd *pending_SCpnt[8]; /* per-device pending commands */
struct scsi_cmnd *SCpnt; /* currently processing command */
struct scsi_cmnd *origSCpnt; /* original connecting command */
struct scsi_cmnd *reqSCpnt; /* request sense command */
struct scsi_cmnd *rstSCpnt; /* reset command */
struct scsi_cmnd *pending_SCpnt[8]; /* per-device pending commands */
int next_pending; /* next pending device */
/*
......@@ -328,21 +328,23 @@ extern int fas216_init (struct Scsi_Host *instance);
*/
extern int fas216_add (struct Scsi_Host *instance, struct device *dev);
/* Function: int fas216_queue_command (Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
/* Function: int fas216_queue_command(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
* Purpose : queue a command for adapter to process.
* Params : SCpnt - Command to queue
* done - done function to call once command is complete
* Returns : 0 - success, else error
*/
extern int fas216_queue_command (Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int fas216_queue_command(struct scsi_cmnd *,
void (*done)(struct scsi_cmnd *));
/* Function: int fas216_noqueue_command (Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
/* Function: int fas216_noqueue_command(istruct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
* Purpose : queue a command for adapter to process, and process it to completion.
* Params : SCpnt - Command to queue
* done - done function to call once command is complete
* Returns : 0 - success, else error
*/
extern int fas216_noqueue_command (Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int fas216_noqueue_command(struct scsi_cmnd *,
void (*done)(struct scsi_cmnd *));
/* Function: irqreturn_t fas216_intr (FAS216_Info *info)
* Purpose : handle interrupts from the interface to progress a command
......@@ -363,32 +365,32 @@ extern int fas216_print_host(FAS216_Info *info, char *buffer);
extern int fas216_print_stats(FAS216_Info *info, char *buffer);
extern int fas216_print_devices(FAS216_Info *info, char *buffer);
/* Function: int fas216_eh_abort(Scsi_Cmnd *SCpnt)
/* Function: int fas216_eh_abort(struct scsi_cmnd *SCpnt)
* Purpose : abort this command
* Params : SCpnt - command to abort
* Returns : FAILED if unable to abort
*/
extern int fas216_eh_abort(Scsi_Cmnd *SCpnt);
extern int fas216_eh_abort(struct scsi_cmnd *SCpnt);
/* Function: int fas216_eh_device_reset(Scsi_Cmnd *SCpnt)
/* Function: int fas216_eh_device_reset(struct scsi_cmnd *SCpnt)
* Purpose : Reset the device associated with this command
* Params : SCpnt - command specifing device to reset
* Returns : FAILED if unable to reset
*/
extern int fas216_eh_device_reset(Scsi_Cmnd *SCpnt);
extern int fas216_eh_device_reset(struct scsi_cmnd *SCpnt);
/* Function: int fas216_eh_bus_reset(Scsi_Cmnd *SCpnt)
/* Function: int fas216_eh_bus_reset(struct scsi_cmnd *SCpnt)
* Purpose : Reset the complete bus associated with this command
* Params : SCpnt - command specifing bus to reset
* Returns : FAILED if unable to reset
*/
extern int fas216_eh_bus_reset(Scsi_Cmnd *SCpnt);
extern int fas216_eh_bus_reset(struct scsi_cmnd *SCpnt);
/* Function: int fas216_eh_host_reset(Scsi_Cmnd *SCpnt)
/* Function: int fas216_eh_host_reset(struct scsi_cmnd *SCpnt)
* Purpose : Reset the host associated with this command
* Params : SCpnt - command specifing host to reset
* Returns : FAILED if unable to reset
*/
extern int fas216_eh_host_reset(Scsi_Cmnd *SCpnt);
extern int fas216_eh_host_reset(struct scsi_cmnd *SCpnt);
#endif /* FAS216_H */
drivers/scsi/arm/queue.c
浏览文件 @ ee0ca6ba
......@@ -29,7 +29,7 @@
typedef struct queue_entry {
struct list_head list;
Scsi_Cmnd *SCpnt;
struct scsi_cmnd *SCpnt;
#ifdef DEBUG
unsigned long magic;
#endif
......@@ -96,14 +96,14 @@ void queue_free (Queue_t *queue)
/*
* Function: int queue_add_cmd(Queue_t *queue, Scsi_Cmnd *SCpnt, int head)
* Function: int __queue_add(Queue_t *queue, struct scsi_cmnd *SCpnt, int head)
* Purpose : Add a new command onto a queue, adding REQUEST_SENSE to head.
* Params : queue - destination queue
* SCpnt - command to add
* head - add command to head of queue
* Returns : 0 on error, !0 on success
*/
int __queue_add(Queue_t *queue, Scsi_Cmnd *SCpnt, int head)
int __queue_add(Queue_t *queue, struct scsi_cmnd *SCpnt, int head)
{
unsigned long flags;
struct list_head *l;
......@@ -134,7 +134,7 @@ int __queue_add(Queue_t *queue, Scsi_Cmnd *SCpnt, int head)
return ret;
}
static Scsi_Cmnd *__queue_remove(Queue_t *queue, struct list_head *ent)
static struct scsi_cmnd *__queue_remove(Queue_t *queue, struct list_head *ent)
{
QE_t *q;
......@@ -152,17 +152,17 @@ static Scsi_Cmnd *__queue_remove(Queue_t *queue, struct list_head *ent)
}
/*
* Function: Scsi_Cmnd *queue_remove_exclude (queue, exclude)
* Function: struct scsi_cmnd *queue_remove_exclude (queue, exclude)
* Purpose : remove a SCSI command from a queue
* Params : queue - queue to remove command from
* exclude - bit array of target&lun which is busy
* Returns : Scsi_Cmnd if successful (and a reference), or NULL if no command available
* Returns : struct scsi_cmnd if successful (and a reference), or NULL if no command available
*/
Scsi_Cmnd *queue_remove_exclude(Queue_t *queue, unsigned long *exclude)
struct scsi_cmnd *queue_remove_exclude(Queue_t *queue, unsigned long *exclude)
{
unsigned long flags;
struct list_head *l;
Scsi_Cmnd *SCpnt = NULL;
struct scsi_cmnd *SCpnt = NULL;
spin_lock_irqsave(&queue->queue_lock, flags);
list_for_each(l, &queue->head) {
......@@ -178,15 +178,15 @@ Scsi_Cmnd *queue_remove_exclude(Queue_t *queue, unsigned long *exclude)
}
/*
* Function: Scsi_Cmnd *queue_remove (queue)
* Function: struct scsi_cmnd *queue_remove (queue)
* Purpose : removes first SCSI command from a queue
* Params : queue - queue to remove command from
* Returns : Scsi_Cmnd if successful (and a reference), or NULL if no command available
* Returns : struct scsi_cmnd if successful (and a reference), or NULL if no command available
*/
Scsi_Cmnd *queue_remove(Queue_t *queue)
struct scsi_cmnd *queue_remove(Queue_t *queue)
{
unsigned long flags;
Scsi_Cmnd *SCpnt = NULL;
struct scsi_cmnd *SCpnt = NULL;
spin_lock_irqsave(&queue->queue_lock, flags);
if (!list_empty(&queue->head))
......@@ -197,19 +197,20 @@ Scsi_Cmnd *queue_remove(Queue_t *queue)
}
/*
* Function: Scsi_Cmnd *queue_remove_tgtluntag (queue, target, lun, tag)
* Function: struct scsi_cmnd *queue_remove_tgtluntag (queue, target, lun, tag)
* Purpose : remove a SCSI command from the queue for a specified target/lun/tag
* Params : queue - queue to remove command from
* target - target that we want
* lun - lun on device
* tag - tag on device
* Returns : Scsi_Cmnd if successful, or NULL if no command satisfies requirements
* Returns : struct scsi_cmnd if successful, or NULL if no command satisfies requirements
*/
Scsi_Cmnd *queue_remove_tgtluntag (Queue_t *queue, int target, int lun, int tag)
struct scsi_cmnd *queue_remove_tgtluntag(Queue_t *queue, int target, int lun,
int tag)
{
unsigned long flags;
struct list_head *l;
Scsi_Cmnd *SCpnt = NULL;
struct scsi_cmnd *SCpnt = NULL;
spin_lock_irqsave(&queue->queue_lock, flags);
list_for_each(l, &queue->head) {
......@@ -275,13 +276,13 @@ int queue_probetgtlun (Queue_t *queue, int target, int lun)
}
/*
* Function: int queue_remove_cmd(Queue_t *queue, Scsi_Cmnd *SCpnt)
* Function: int queue_remove_cmd(Queue_t *queue, struct scsi_cmnd *SCpnt)
* Purpose : remove a specific command from the queues
* Params : queue - queue to look in
* SCpnt - command to find
* Returns : 0 if not found
*/
int queue_remove_cmd(Queue_t *queue, Scsi_Cmnd *SCpnt)
int queue_remove_cmd(Queue_t *queue, struct scsi_cmnd *SCpnt)
{
unsigned long flags;
struct list_head *l;
......
drivers/scsi/arm/queue.h
浏览文件 @ ee0ca6ba
......@@ -32,46 +32,48 @@ extern int queue_initialise (Queue_t *queue);
extern void queue_free (Queue_t *queue);
/*
* Function: Scsi_Cmnd *queue_remove (queue)
* Function: struct scsi_cmnd *queue_remove (queue)
* Purpose : removes first SCSI command from a queue
* Params : queue - queue to remove command from
* Returns : Scsi_Cmnd if successful (and a reference), or NULL if no command available
* Returns : struct scsi_cmnd if successful (and a reference), or NULL if no command available
*/
extern Scsi_Cmnd *queue_remove (Queue_t *queue);
extern struct scsi_cmnd *queue_remove (Queue_t *queue);
/*
* Function: Scsi_Cmnd *queue_remove_exclude_ref (queue, exclude)
* Function: struct scsi_cmnd *queue_remove_exclude_ref (queue, exclude)
* Purpose : remove a SCSI command from a queue
* Params : queue - queue to remove command from
* exclude - array of busy LUNs
* Returns : Scsi_Cmnd if successful (and a reference), or NULL if no command available
* Returns : struct scsi_cmnd if successful (and a reference), or NULL if no command available
*/
extern Scsi_Cmnd *queue_remove_exclude (Queue_t *queue, unsigned long *exclude);
extern struct scsi_cmnd *queue_remove_exclude(Queue_t *queue,
unsigned long *exclude);
#define queue_add_cmd_ordered(queue,SCpnt) \
__queue_add(queue,SCpnt,(SCpnt)->cmnd[0] == REQUEST_SENSE)
#define queue_add_cmd_tail(queue,SCpnt) \
__queue_add(queue,SCpnt,0)
/*
* Function: int __queue_add(Queue_t *queue, Scsi_Cmnd *SCpnt, int head)
* Function: int __queue_add(Queue_t *queue, struct scsi_cmnd *SCpnt, int head)
* Purpose : Add a new command onto a queue
* Params : queue - destination queue
* SCpnt - command to add
* head - add command to head of queue
* Returns : 0 on error, !0 on success
*/
extern int __queue_add(Queue_t *queue, Scsi_Cmnd *SCpnt, int head);
extern int __queue_add(Queue_t *queue, struct scsi_cmnd *SCpnt, int head);
/*
* Function: Scsi_Cmnd *queue_remove_tgtluntag (queue, target, lun, tag)
* Function: struct scsi_cmnd *queue_remove_tgtluntag (queue, target, lun, tag)
* Purpose : remove a SCSI command from the queue for a specified target/lun/tag
* Params : queue - queue to remove command from
* target - target that we want
* lun - lun on device
* tag - tag on device
* Returns : Scsi_Cmnd if successful, or NULL if no command satisfies requirements
* Returns : struct scsi_cmnd if successful, or NULL if no command satisfies requirements
*/
extern Scsi_Cmnd *queue_remove_tgtluntag (Queue_t *queue, int target, int lun, int tag);
extern struct scsi_cmnd *queue_remove_tgtluntag(Queue_t *queue, int target,
int lun, int tag);
/*
* Function: queue_remove_all_target(queue, target)
......@@ -94,12 +96,12 @@ extern void queue_remove_all_target(Queue_t *queue, int target);
extern int queue_probetgtlun (Queue_t *queue, int target, int lun);
/*
* Function: int queue_remove_cmd (Queue_t *queue, Scsi_Cmnd *SCpnt)
* Function: int queue_remove_cmd (Queue_t *queue, struct scsi_cmnd *SCpnt)
* Purpose : remove a specific command from the queues
* Params : queue - queue to look in
* SCpnt - command to find
* Returns : 0 if not found
*/
int queue_remove_cmd(Queue_t *queue, Scsi_Cmnd *SCpnt);
int queue_remove_cmd(Queue_t *queue, struct scsi_cmnd *SCpnt);
#endif /* QUEUE_H */
drivers/scsi/arm/scsi.h
浏览文件 @ ee0ca6ba
......@@ -66,7 +66,7 @@ static inline void put_next_SCp_byte(struct scsi_pointer *SCp, unsigned char c)
SCp->this_residual -= 1;
}
static inline void init_SCp(Scsi_Cmnd *SCpnt)
static inline void init_SCp(struct scsi_cmnd *SCpnt)
{
memset(&SCpnt->SCp, 0, sizeof(struct scsi_pointer));
......
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