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path: root/drivers/scsi/aha152x.c
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Diffstat (limited to 'drivers/scsi/aha152x.c')
-rw-r--r--drivers/scsi/aha152x.c183
1 files changed, 65 insertions, 118 deletions
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index d30a30786dd..e86eb6a921f 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -1,6 +1,6 @@
/* aha152x.c -- Adaptec AHA-152x driver
- * Author: Jürgen E. Fischer, fischer@norbit.de
- * Copyright 1993-2004 Jürgen E. Fischer
+ * Author: Jürgen E. Fischer, fischer@norbit.de
+ * Copyright 1993-2004 Jürgen E. Fischer
*
* 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
@@ -239,7 +239,6 @@
#include <asm/irq.h>
#include <linux/io.h>
#include <linux/blkdev.h>
-#include <asm/system.h>
#include <linux/completion.h>
#include <linux/errno.h>
#include <linux/string.h>
@@ -254,12 +253,14 @@
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/list.h>
+#include <linux/slab.h>
#include <scsi/scsicam.h>
#include "scsi.h"
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_spi.h>
+#include <scsi/scsi_eh.h>
#include "aha152x.h"
static LIST_HEAD(aha152x_host_list);
@@ -287,20 +288,20 @@ static LIST_HEAD(aha152x_host_list);
#define DO_LOCK(flags) \
do { \
if(spin_is_locked(&QLOCK)) { \
- DPRINTK(debug_intr, DEBUG_LEAD "(%s:%d) already locked at %s:%d\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__, QLOCKER, QLOCKERL); \
+ DPRINTK(debug_intr, DEBUG_LEAD "(%s:%d) already locked at %s:%d\n", CMDINFO(CURRENT_SC), __func__, __LINE__, QLOCKER, QLOCKERL); \
} \
- DPRINTK(debug_locking, DEBUG_LEAD "(%s:%d) locking\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__); \
+ DPRINTK(debug_locking, DEBUG_LEAD "(%s:%d) locking\n", CMDINFO(CURRENT_SC), __func__, __LINE__); \
spin_lock_irqsave(&QLOCK,flags); \
- DPRINTK(debug_locking, DEBUG_LEAD "(%s:%d) locked\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__); \
- QLOCKER=__FUNCTION__; \
+ DPRINTK(debug_locking, DEBUG_LEAD "(%s:%d) locked\n", CMDINFO(CURRENT_SC), __func__, __LINE__); \
+ QLOCKER=__func__; \
QLOCKERL=__LINE__; \
} while(0)
#define DO_UNLOCK(flags) \
do { \
- DPRINTK(debug_locking, DEBUG_LEAD "(%s:%d) unlocking (locked at %s:%d)\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__, QLOCKER, QLOCKERL); \
+ DPRINTK(debug_locking, DEBUG_LEAD "(%s:%d) unlocking (locked at %s:%d)\n", CMDINFO(CURRENT_SC), __func__, __LINE__, QLOCKER, QLOCKERL); \
spin_unlock_irqrestore(&QLOCK,flags); \
- DPRINTK(debug_locking, DEBUG_LEAD "(%s:%d) unlocked\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__); \
+ DPRINTK(debug_locking, DEBUG_LEAD "(%s:%d) unlocked\n", CMDINFO(CURRENT_SC), __func__, __LINE__); \
QLOCKER="(not locked)"; \
QLOCKERL=0; \
} while(0)
@@ -336,7 +337,7 @@ CMD_INC_RESID(struct scsi_cmnd *cmd, int inc)
#else
#define IRQ_MIN 9
#if defined(__PPC)
-#define IRQ_MAX (NR_IRQS-1)
+#define IRQ_MAX (nr_irqs-1)
#else
#define IRQ_MAX 12
#endif
@@ -357,7 +358,7 @@ enum {
check_condition = 0x0800, /* requesting sense after CHECK CONDITION */
};
-MODULE_AUTHOR("Jürgen Fischer");
+MODULE_AUTHOR("Jürgen Fischer");
MODULE_DESCRIPTION(AHA152X_REVID);
MODULE_LICENSE("GPL");
@@ -419,11 +420,20 @@ MODULE_PARM_DESC(aha152x1, "parameters for second controller");
#endif /* MODULE */
#ifdef __ISAPNP__
-static struct isapnp_device_id id_table[] __devinitdata = {
- { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
- ISAPNP_VENDOR('A','D','P'), ISAPNP_FUNCTION(0x1505), 0 },
- { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
- ISAPNP_VENDOR('A','D','P'), ISAPNP_FUNCTION(0x1530), 0 },
+static struct isapnp_device_id id_table[] = {
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1502), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1505), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1510), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1515), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1520), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x2015), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1522), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x2215), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1530), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x3015), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1532), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x3215), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x6360), 0 },
{ ISAPNP_DEVICE_SINGLE_END, }
};
MODULE_DEVICE_TABLE(isapnp, id_table);
@@ -558,9 +568,7 @@ struct aha152x_hostdata {
struct aha152x_scdata {
Scsi_Cmnd *next; /* next sc in queue */
struct completion *done;/* semaphore to block on */
- unsigned char aha_orig_cmd_len;
- unsigned char aha_orig_cmnd[MAX_COMMAND_SIZE];
- int aha_orig_resid;
+ struct scsi_eh_save ses;
};
/* access macros for hostdata */
@@ -613,7 +621,7 @@ struct aha152x_scdata {
#define SCNEXT(SCpnt) SCDATA(SCpnt)->next
#define SCSEM(SCpnt) SCDATA(SCpnt)->done
-#define SG_ADDRESS(buffer) ((char *) (page_address((buffer)->page)+(buffer)->offset))
+#define SG_ADDRESS(buffer) ((char *) sg_virt((buffer)))
/* state handling */
static void seldi_run(struct Scsi_Host *shpnt);
@@ -849,7 +857,7 @@ struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *setup)
SETPORT(SIMODE0, 0);
SETPORT(SIMODE1, 0);
- if( request_irq(shpnt->irq, swintr, IRQF_DISABLED|IRQF_SHARED, "aha152x", shpnt) ) {
+ if (request_irq(shpnt->irq, swintr, IRQF_SHARED, "aha152x", shpnt)) {
printk(KERN_ERR "aha152x%d: irq %d busy.\n", shpnt->host_no, shpnt->irq);
goto out_host_put;
}
@@ -883,7 +891,7 @@ struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *setup)
SETPORT(SSTAT0, 0x7f);
SETPORT(SSTAT1, 0xef);
- if ( request_irq(shpnt->irq, intr, IRQF_DISABLED|IRQF_SHARED, "aha152x", shpnt) ) {
+ if (request_irq(shpnt->irq, intr, IRQF_SHARED, "aha152x", shpnt)) {
printk(KERN_ERR "aha152x%d: failed to reassign irq %d.\n", shpnt->host_no, shpnt->irq);
goto out_host_put;
}
@@ -907,9 +915,10 @@ out_host_put:
void aha152x_release(struct Scsi_Host *shpnt)
{
- if(!shpnt)
+ if (!shpnt)
return;
+ scsi_remove_host(shpnt);
if (shpnt->irq)
free_irq(shpnt->irq, shpnt);
@@ -923,7 +932,6 @@ void aha152x_release(struct Scsi_Host *shpnt)
pnp_device_detach(HOSTDATA(shpnt)->pnpdev);
#endif
- scsi_remove_host(shpnt);
list_del(&HOSTDATA(shpnt)->host_list);
scsi_host_put(shpnt);
}
@@ -995,13 +1003,13 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct completion *complete,
SCpnt->SCp.sent_command = 0;
if(SCpnt->SCp.phase & (resetting|check_condition)) {
- if(SCpnt->host_scribble==0 || SCSEM(SCpnt) || SCNEXT(SCpnt)) {
+ if (!SCpnt->host_scribble || SCSEM(SCpnt) || SCNEXT(SCpnt)) {
printk(ERR_LEAD "cannot reuse command\n", CMDINFO(SCpnt));
return FAILED;
}
} else {
SCpnt->host_scribble = kmalloc(sizeof(struct aha152x_scdata), GFP_ATOMIC);
- if(SCpnt->host_scribble==0) {
+ if(!SCpnt->host_scribble) {
printk(ERR_LEAD "allocation failed\n", CMDINFO(SCpnt));
return FAILED;
}
@@ -1017,16 +1025,10 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct completion *complete,
SCp.buffers_residual : left buffers in list
SCp.phase : current state of the command */
- if ((phase & (check_condition|resetting)) || !scsi_sglist(SCpnt)) {
- if (phase & check_condition) {
- SCpnt->SCp.ptr = SCpnt->sense_buffer;
- SCpnt->SCp.this_residual = sizeof(SCpnt->sense_buffer);
- scsi_set_resid(SCpnt, sizeof(SCpnt->sense_buffer));
- } else {
- SCpnt->SCp.ptr = NULL;
- SCpnt->SCp.this_residual = 0;
- scsi_set_resid(SCpnt, 0);
- }
+ if ((phase & resetting) || !scsi_sglist(SCpnt)) {
+ SCpnt->SCp.ptr = NULL;
+ SCpnt->SCp.this_residual = 0;
+ scsi_set_resid(SCpnt, 0);
SCpnt->SCp.buffer = NULL;
SCpnt->SCp.buffers_residual = 0;
} else {
@@ -1062,7 +1064,7 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct completion *complete,
* queue a command
*
*/
-static int aha152x_queue(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
+static int aha152x_queue_lck(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
{
#if 0
if(*SCpnt->cmnd == REQUEST_SENSE) {
@@ -1076,6 +1078,8 @@ static int aha152x_queue(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
return aha152x_internal_queue(SCpnt, NULL, 0, done);
}
+static DEF_SCSI_QCMD(aha152x_queue)
+
/*
*
@@ -1169,7 +1173,7 @@ static int aha152x_device_reset(Scsi_Cmnd * SCpnt)
}
DO_LOCK(flags);
- issued = remove_SC(&ISSUE_SC, SCpnt)==0;
+ issued = remove_SC(&ISSUE_SC, SCpnt) == NULL;
disconnected = issued && remove_SC(&DISCONNECTED_SC, SCpnt);
DO_UNLOCK(flags);
@@ -1439,15 +1443,10 @@ static void run(struct work_struct *work)
*/
static irqreturn_t intr(int irqno, void *dev_id)
{
- struct Scsi_Host *shpnt = (struct Scsi_Host *)dev_id;
+ struct Scsi_Host *shpnt = dev_id;
unsigned long flags;
unsigned char rev, dmacntrl0;
- if (!shpnt) {
- printk(KERN_ERR "aha152x: catched interrupt %d for unknown controller.\n", irqno);
- return IRQ_NONE;
- }
-
/*
* Read a couple of registers that are known to not be all 1's. If
* we read all 1's (-1), that means that either:
@@ -1561,10 +1560,7 @@ static void busfree_run(struct Scsi_Host *shpnt)
}
#endif
- /* restore old command */
- memcpy(cmd->cmnd, sc->aha_orig_cmnd, sizeof(cmd->cmnd));
- cmd->cmd_len = sc->aha_orig_cmd_len;
- scsi_set_resid(cmd, sc->aha_orig_resid);
+ scsi_eh_restore_cmnd(cmd, &sc->ses);
cmd->SCp.Status = SAM_STAT_CHECK_CONDITION;
@@ -1587,22 +1583,10 @@ static void busfree_run(struct Scsi_Host *shpnt)
DPRINTK(debug_eh, ERR_LEAD "requesting sense\n", CMDINFO(ptr));
#endif
- /* save old command */
sc = SCDATA(ptr);
/* It was allocated in aha152x_internal_queue? */
BUG_ON(!sc);
- memcpy(sc->aha_orig_cmnd, ptr->cmnd,
- sizeof(ptr->cmnd));
- sc->aha_orig_cmd_len = ptr->cmd_len;
- sc->aha_orig_resid = scsi_get_resid(ptr);
-
- ptr->cmnd[0] = REQUEST_SENSE;
- ptr->cmnd[1] = 0;
- ptr->cmnd[2] = 0;
- ptr->cmnd[3] = 0;
- ptr->cmnd[4] = sizeof(ptr->sense_buffer);
- ptr->cmnd[5] = 0;
- ptr->cmd_len = 6;
+ scsi_eh_prep_cmnd(ptr, &sc->ses, NULL, 0, ~0);
DO_UNLOCK(flags);
aha152x_internal_queue(ptr, NULL, check_condition, ptr->scsi_done);
@@ -2993,15 +2977,14 @@ static void show_queues(struct Scsi_Host *shpnt)
}
#undef SPRINTF
-#define SPRINTF(args...) pos += sprintf(pos, ## args)
+#define SPRINTF(args...) seq_printf(m, ##args)
-static int get_command(char *pos, Scsi_Cmnd * ptr)
+static void get_command(struct seq_file *m, Scsi_Cmnd * ptr)
{
- char *start = pos;
int i;
- SPRINTF("0x%08x: target=%d; lun=%d; cmnd=( ",
- (unsigned int) ptr, ptr->device->id, ptr->device->lun);
+ SPRINTF("%p: target=%d; lun=%d; cmnd=( ",
+ ptr, ptr->device->id, ptr->device->lun);
for (i = 0; i < COMMAND_SIZE(ptr->cmnd[0]); i++)
SPRINTF("0x%02x ", ptr->cmnd[i]);
@@ -3027,13 +3010,10 @@ static int get_command(char *pos, Scsi_Cmnd * ptr)
if (ptr->SCp.phase & syncneg)
SPRINTF("syncneg|");
SPRINTF("; next=0x%p\n", SCNEXT(ptr));
-
- return (pos - start);
}
-static int get_ports(struct Scsi_Host *shpnt, char *pos)
+static void get_ports(struct seq_file *m, struct Scsi_Host *shpnt)
{
- char *start = pos;
int s;
SPRINTF("\n%s: %s(%s) ", CURRENT_SC ? "on bus" : "waiting", states[STATE].name, states[PREVSTATE].name);
@@ -3289,11 +3269,9 @@ static int get_ports(struct Scsi_Host *shpnt, char *pos)
if (s & ENREQINIT)
SPRINTF("ENREQINIT ");
SPRINTF(")\n");
-
- return (pos - start);
}
-static int aha152x_set_info(char *buffer, int length, struct Scsi_Host *shpnt)
+static int aha152x_set_info(struct Scsi_Host *shpnt, char *buffer, int length)
{
if(!shpnt || !buffer || length<8 || strncmp("aha152x ", buffer, 8)!=0)
return -EINVAL;
@@ -3336,26 +3314,11 @@ static int aha152x_set_info(char *buffer, int length, struct Scsi_Host *shpnt)
return length;
}
-#undef SPRINTF
-#define SPRINTF(args...) \
- do { if(pos < buffer + length) pos += sprintf(pos, ## args); } while(0)
-
-static int aha152x_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start,
- off_t offset, int length, int inout)
+static int aha152x_show_info(struct seq_file *m, struct Scsi_Host *shpnt)
{
int i;
- char *pos = buffer;
Scsi_Cmnd *ptr;
unsigned long flags;
- int thislength;
-
- DPRINTK(debug_procinfo,
- KERN_DEBUG "aha152x_proc_info: buffer=%p offset=%ld length=%d hostno=%d inout=%d\n",
- buffer, offset, length, shpnt->host_no, inout);
-
-
- if (inout)
- return aha152x_set_info(buffer, length, shpnt);
SPRINTF(AHA152X_REVID "\n");
@@ -3408,25 +3371,25 @@ static int aha152x_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start
if (ISSUE_SC) {
SPRINTF("not yet issued commands:\n");
for (ptr = ISSUE_SC; ptr; ptr = SCNEXT(ptr))
- pos += get_command(pos, ptr);
+ get_command(m, ptr);
} else
SPRINTF("no not yet issued commands\n");
DO_UNLOCK(flags);
if (CURRENT_SC) {
SPRINTF("current command:\n");
- pos += get_command(pos, CURRENT_SC);
+ get_command(m, CURRENT_SC);
} else
SPRINTF("no current command\n");
if (DISCONNECTED_SC) {
SPRINTF("disconnected commands:\n");
for (ptr = DISCONNECTED_SC; ptr; ptr = SCNEXT(ptr))
- pos += get_command(pos, ptr);
+ get_command(m, ptr);
} else
SPRINTF("no disconnected commands\n");
- pos += get_ports(shpnt, pos);
+ get_ports(m, shpnt);
#if defined(AHA152X_STAT)
SPRINTF("statistics:\n"
@@ -3456,24 +3419,7 @@ static int aha152x_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start
HOSTDATA(shpnt)->time[i]);
}
#endif
-
- DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: pos=%p\n", pos);
-
- thislength = pos - (buffer + offset);
- DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: length=%d thislength=%d\n", length, thislength);
-
- if(thislength<0) {
- DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: output too short\n");
- *start = NULL;
- return 0;
- }
-
- thislength = thislength<length ? thislength : length;
-
- DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: return %d\n", thislength);
-
- *start = buffer + offset;
- return thislength < length ? thislength : length;
+ return 0;
}
static int aha152x_adjust_queue(struct scsi_device *device)
@@ -3486,7 +3432,8 @@ static struct scsi_host_template aha152x_driver_template = {
.module = THIS_MODULE,
.name = AHA152X_REVID,
.proc_name = "aha152x",
- .proc_info = aha152x_proc_info,
+ .show_info = aha152x_show_info,
+ .write_info = aha152x_set_info,
.queuecommand = aha152x_queue,
.eh_abort_handler = aha152x_abort,
.eh_device_reset_handler = aha152x_device_reset,
@@ -3609,7 +3556,7 @@ static int checksetup(struct aha152x_setup *setup)
if (i == ARRAY_SIZE(ports))
return 0;
- if ( request_region(setup->io_port, IO_RANGE, "aha152x")==0 ) {
+ if (!request_region(setup->io_port, IO_RANGE, "aha152x")) {
printk(KERN_ERR "aha152x: io port 0x%x busy.\n", setup->io_port);
return 0;
}
@@ -3857,7 +3804,7 @@ static int __init aha152x_init(void)
iounmap(p);
}
if (!ok && setup_count == 0)
- return 0;
+ return -ENODEV;
printk(KERN_INFO "aha152x: BIOS test: passed, ");
#else
@@ -3869,7 +3816,7 @@ static int __init aha152x_init(void)
if ((setup_count == 1) && (setup[0].io_port == ports[i]))
continue;
- if ( request_region(ports[i], IO_RANGE, "aha152x")==0 ) {
+ if (!request_region(ports[i], IO_RANGE, "aha152x")) {
printk(KERN_ERR "aha152x: io port 0x%x busy.\n", ports[i]);
continue;
}
@@ -3936,14 +3883,14 @@ static int __init aha152x_init(void)
#endif
}
- return 1;
+ return 0;
}
static void __exit aha152x_exit(void)
{
- struct aha152x_hostdata *hd;
+ struct aha152x_hostdata *hd, *tmp;
- list_for_each_entry(hd, &aha152x_host_list, host_list) {
+ list_for_each_entry_safe(hd, tmp, &aha152x_host_list, host_list) {
struct Scsi_Host *shost = container_of((void *)hd, struct Scsi_Host, hostdata);
aha152x_release(shost);