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path: root/drivers/scsi/aic7xxx/aic7xxx_osm.c
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Diffstat (limited to 'drivers/scsi/aic7xxx/aic7xxx_osm.c')
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_osm.c114
1 files changed, 51 insertions, 63 deletions
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index fd2b9785ff4..114ff0c6e31 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -129,6 +129,7 @@ static struct scsi_transport_template *ahc_linux_transport_template = NULL;
#include <linux/mm.h> /* For fetching system memory size */
#include <linux/blkdev.h> /* For block_size() */
#include <linux/delay.h> /* For ssleep/msleep */
+#include <linux/slab.h>
/*
@@ -144,16 +145,6 @@ static struct scsi_transport_template *ahc_linux_transport_template = NULL;
#endif
/*
- * Control collection of SCSI transfer statistics for the /proc filesystem.
- *
- * NOTE: Do NOT enable this when running on kernels version 1.2.x and below.
- * NOTE: This does affect performance since it has to maintain statistics.
- */
-#ifdef CONFIG_AIC7XXX_PROC_STATS
-#define AIC7XXX_PROC_STATS
-#endif
-
-/*
* To change the default number of tagged transactions allowed per-device,
* add a line to the lilo.conf file like:
* append="aic7xxx=verbose,tag_info:{{32,32,32,32},{32,32,32,32}}"
@@ -293,7 +284,7 @@ static uint32_t aic7xxx_extended;
* dubious at best. To my knowledge, this option has never actually
* solved a PCI parity problem, but on certain machines with broken PCI
* chipset configurations where stray PCI transactions with bad parity are
- * the norm rather than the exception, the error messages can be overwelming.
+ * the norm rather than the exception, the error messages can be overwhelming.
* It's included in the driver for completeness.
* 0 = Shut off PCI parity check
* non-0 = reverse polarity pci parity checking
@@ -359,10 +350,10 @@ MODULE_PARM_DESC(aic7xxx,
" seltime:<int> Selection Timeout\n"
" (0/256ms,1/128ms,2/64ms,3/32ms)\n"
"\n"
-" Sample /etc/modprobe.conf line:\n"
-" Toggle EISA/VLB probing\n"
-" Set tag depth on Controller 1/Target 1 to 10 tags\n"
-" Shorten the selection timeout to 128ms\n"
+" Sample modprobe configuration file:\n"
+" # Toggle EISA/VLB probing\n"
+" # Set tag depth on Controller 1/Target 1 to 10 tags\n"
+" # Shorten the selection timeout to 128ms\n"
"\n"
" options aic7xxx 'aic7xxx=probe_eisa_vl.tag_info:{{}.{.10}}.seltime:1'\n"
);
@@ -527,7 +518,7 @@ ahc_linux_info(struct Scsi_Host *host)
* Queue an SCB to the controller.
*/
static int
-ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *))
+ahc_linux_queue_lck(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *))
{
struct ahc_softc *ahc;
struct ahc_linux_device *dev = scsi_transport_device_data(cmd->device);
@@ -547,6 +538,8 @@ ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *))
return rtn;
}
+static DEF_SCSI_QCMD(ahc_linux_queue)
+
static inline struct scsi_target **
ahc_linux_target_in_softc(struct scsi_target *starget)
{
@@ -652,7 +645,7 @@ ahc_linux_slave_alloc(struct scsi_device *sdev)
struct ahc_linux_device *dev;
if (bootverbose)
- printf("%s: Slave Alloc %d\n", ahc_name(ahc), sdev->id);
+ printk("%s: Slave Alloc %d\n", ahc_name(ahc), sdev->id);
dev = scsi_transport_device_data(sdev);
memset(dev, 0, sizeof(*dev));
@@ -754,7 +747,7 @@ ahc_linux_abort(struct scsi_cmnd *cmd)
error = ahc_linux_queue_recovery_cmd(cmd, SCB_ABORT);
if (error != 0)
- printf("aic7xxx_abort returns 0x%x\n", error);
+ printk("aic7xxx_abort returns 0x%x\n", error);
return (error);
}
@@ -768,7 +761,7 @@ ahc_linux_dev_reset(struct scsi_cmnd *cmd)
error = ahc_linux_queue_recovery_cmd(cmd, SCB_DEVICE_RESET);
if (error != 0)
- printf("aic7xxx_dev_reset returns 0x%x\n", error);
+ printk("aic7xxx_dev_reset returns 0x%x\n", error);
return (error);
}
@@ -790,7 +783,7 @@ ahc_linux_bus_reset(struct scsi_cmnd *cmd)
ahc_unlock(ahc, &flags);
if (bootverbose)
- printf("%s: SCSI bus reset delivered. "
+ printk("%s: SCSI bus reset delivered. "
"%d SCBs aborted.\n", ahc_name(ahc), found);
return SUCCESS;
@@ -800,7 +793,8 @@ struct scsi_host_template aic7xxx_driver_template = {
.module = THIS_MODULE,
.name = "aic7xxx",
.proc_name = "aic7xxx",
- .proc_info = ahc_linux_proc_info,
+ .show_info = ahc_linux_show_info,
+ .write_info = ahc_proc_write_seeprom,
.info = ahc_linux_info,
.queuecommand = ahc_linux_queue,
.eh_abort_handler = ahc_linux_abort,
@@ -839,7 +833,7 @@ ahc_dma_tag_create(struct ahc_softc *ahc, bus_dma_tag_t parent,
{
bus_dma_tag_t dmat;
- dmat = malloc(sizeof(*dmat), M_DEVBUF, M_NOWAIT);
+ dmat = kmalloc(sizeof(*dmat), GFP_ATOMIC);
if (dmat == NULL)
return (ENOMEM);
@@ -860,7 +854,7 @@ ahc_dma_tag_create(struct ahc_softc *ahc, bus_dma_tag_t parent,
void
ahc_dma_tag_destroy(struct ahc_softc *ahc, bus_dma_tag_t dmat)
{
- free(dmat, M_DEVBUF);
+ kfree(dmat);
}
int
@@ -917,7 +911,7 @@ ahc_linux_setup_tag_info_global(char *p)
int tags, i, j;
tags = simple_strtoul(p + 1, NULL, 0) & 0xff;
- printf("Setting Global Tags= %d\n", tags);
+ printk("Setting Global Tags= %d\n", tags);
for (i = 0; i < ARRAY_SIZE(aic7xxx_tag_info); i++) {
for (j = 0; j < AHC_NUM_TARGETS; j++) {
@@ -935,7 +929,7 @@ ahc_linux_setup_tag_info(u_long arg, int instance, int targ, int32_t value)
&& (targ < AHC_NUM_TARGETS)) {
aic7xxx_tag_info[instance].tag_commands[targ] = value & 0xff;
if (bootverbose)
- printf("tag_info[%d:%d] = %d\n", instance, targ, value);
+ printk("tag_info[%d:%d] = %d\n", instance, targ, value);
}
}
@@ -976,7 +970,7 @@ ahc_parse_brace_option(char *opt_name, char *opt_arg, char *end, int depth,
if (targ == -1)
targ = 0;
} else {
- printf("Malformed Option %s\n",
+ printk("Malformed Option %s\n",
opt_name);
done = TRUE;
}
@@ -1119,7 +1113,7 @@ ahc_linux_register_host(struct ahc_softc *ahc, struct scsi_host_template *templa
ahc_set_unit(ahc, ahc_linux_unit++);
ahc_unlock(ahc, &s);
sprintf(buf, "scsi%d", host->host_no);
- new_name = malloc(strlen(buf) + 1, M_DEVBUF, M_NOWAIT);
+ new_name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
if (new_name != NULL) {
strcpy(new_name, buf);
ahc_set_name(ahc, new_name);
@@ -1219,7 +1213,7 @@ ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg)
{
ahc->platform_data =
- malloc(sizeof(struct ahc_platform_data), M_DEVBUF, M_NOWAIT);
+ kmalloc(sizeof(struct ahc_platform_data), GFP_ATOMIC);
if (ahc->platform_data == NULL)
return (ENOMEM);
memset(ahc->platform_data, 0, sizeof(struct ahc_platform_data));
@@ -1263,7 +1257,7 @@ ahc_platform_free(struct ahc_softc *ahc)
if (ahc->platform_data->host)
scsi_host_put(ahc->platform_data->host);
- free(ahc->platform_data, M_DEVBUF);
+ kfree(ahc->platform_data);
}
}
@@ -1315,7 +1309,7 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct scsi_device *sdev,
usertags = ahc_linux_user_tagdepth(ahc, devinfo);
if (!was_queuing) {
/*
- * Start out agressively and allow our
+ * Start out aggressively and allow our
* dynamic queue depth algorithm to take
* care of the rest.
*/
@@ -1377,7 +1371,7 @@ ahc_linux_user_tagdepth(struct ahc_softc *ahc, struct ahc_devinfo *devinfo)
if (ahc->unit >= ARRAY_SIZE(aic7xxx_tag_info)) {
if (warned_user == 0) {
- printf(KERN_WARNING
+ printk(KERN_WARNING
"aic7xxx: WARNING: Insufficient tag_info instances\n"
"aic7xxx: for installed controllers. Using defaults\n"
"aic7xxx: Please update the aic7xxx_tag_info array in\n"
@@ -1420,7 +1414,7 @@ ahc_linux_device_queue_depth(struct scsi_device *sdev)
ahc_send_async(ahc, devinfo.channel, devinfo.target,
devinfo.lun, AC_TRANSFER_NEG);
ahc_print_devinfo(ahc, &devinfo);
- printf("Tagged Queuing enabled. Depth %d\n", tags);
+ printk("Tagged Queuing enabled. Depth %d\n", tags);
} else {
ahc_platform_set_tags(ahc, sdev, &devinfo, AHC_QUEUE_NONE);
ahc_send_async(ahc, devinfo.channel, devinfo.target,
@@ -1628,10 +1622,8 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
switch (code) {
case AC_TRANSFER_NEG:
{
- char buf[80];
struct scsi_target *starget;
struct ahc_linux_target *targ;
- struct info_str info;
struct ahc_initiator_tinfo *tinfo;
struct ahc_tmode_tstate *tstate;
int target_offset;
@@ -1639,10 +1631,6 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
BUG_ON(target == CAM_TARGET_WILDCARD);
- info.buffer = buf;
- info.length = sizeof(buf);
- info.offset = 0;
- info.pos = 0;
tinfo = ahc_fetch_transinfo(ahc, channel,
channel == 'A' ? ahc->our_id
: ahc->our_id_b,
@@ -1734,7 +1722,7 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb)
* not have been dispatched to the controller, so
* only check the SCB_ACTIVE flag for tagged transactions.
*/
- printf("SCB %d done'd twice\n", scb->hscb->tag);
+ printk("SCB %d done'd twice\n", scb->hscb->tag);
ahc_dump_card_state(ahc);
panic("Stopping for safety");
}
@@ -1764,7 +1752,7 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb)
#ifdef AHC_DEBUG
if ((ahc_debug & AHC_SHOW_MISC) != 0) {
ahc_print_path(ahc, scb);
- printf("Set CAM_UNCOR_PARITY\n");
+ printk("Set CAM_UNCOR_PARITY\n");
}
#endif
ahc_set_transaction_status(scb, CAM_UNCOR_PARITY);
@@ -1782,12 +1770,12 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb)
u_int i;
ahc_print_path(ahc, scb);
- printf("CDB:");
+ printk("CDB:");
for (i = 0; i < scb->io_ctx->cmd_len; i++)
- printf(" 0x%x", scb->io_ctx->cmnd[i]);
- printf("\n");
+ printk(" 0x%x", scb->io_ctx->cmnd[i]);
+ printk("\n");
ahc_print_path(ahc, scb);
- printf("Saw underflow (%ld of %ld bytes). "
+ printk("Saw underflow (%ld of %ld bytes). "
"Treated as error\n",
ahc_get_residual(scb),
ahc_get_transfer_length(scb));
@@ -1820,7 +1808,7 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb)
dev->commands_since_idle_or_otag = 0;
if ((scb->flags & SCB_RECOVERY_SCB) != 0) {
- printf("Recovery SCB completes\n");
+ printk("Recovery SCB completes\n");
if (ahc_get_transaction_status(scb) == CAM_BDR_SENT
|| ahc_get_transaction_status(scb) == CAM_REQ_ABORTED)
ahc_set_transaction_status(scb, CAM_CMD_TIMEOUT);
@@ -1885,14 +1873,14 @@ ahc_linux_handle_scsi_status(struct ahc_softc *ahc,
if (ahc_debug & AHC_SHOW_SENSE) {
int i;
- printf("Copied %d bytes of sense data:",
+ printk("Copied %d bytes of sense data:",
sense_size);
for (i = 0; i < sense_size; i++) {
if ((i & 0xF) == 0)
- printf("\n");
- printf("0x%x ", cmd->sense_buffer[i]);
+ printk("\n");
+ printk("0x%x ", cmd->sense_buffer[i]);
}
- printf("\n");
+ printk("\n");
}
#endif
}
@@ -1917,7 +1905,7 @@ ahc_linux_handle_scsi_status(struct ahc_softc *ahc,
dev->openings = 0;
/*
ahc_print_path(ahc, scb);
- printf("Dropping tag count to %d\n", dev->active);
+ printk("Dropping tag count to %d\n", dev->active);
*/
if (dev->active == dev->tags_on_last_queuefull) {
@@ -1934,7 +1922,7 @@ ahc_linux_handle_scsi_status(struct ahc_softc *ahc,
== AHC_LOCK_TAGS_COUNT) {
dev->maxtags = dev->active;
ahc_print_path(ahc, scb);
- printf("Locking max tag count at %d\n",
+ printk("Locking max tag count at %d\n",
dev->active);
}
} else {
@@ -2099,10 +2087,10 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
scmd_printk(KERN_INFO, cmd, "Attempting to queue a%s message\n",
flag == SCB_ABORT ? "n ABORT" : " TARGET RESET");
- printf("CDB:");
+ printk("CDB:");
for (cdb_byte = 0; cdb_byte < cmd->cmd_len; cdb_byte++)
- printf(" 0x%x", cmd->cmnd[cdb_byte]);
- printf("\n");
+ printk(" 0x%x", cmd->cmnd[cdb_byte]);
+ printk("\n");
ahc_lock(ahc, &flags);
@@ -2120,7 +2108,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
* No target device for this command exists,
* so we must not still own the command.
*/
- printf("%s:%d:%d:%d: Is not an active device\n",
+ printk("%s:%d:%d:%d: Is not an active device\n",
ahc_name(ahc), cmd->device->channel, cmd->device->id,
cmd->device->lun);
retval = SUCCESS;
@@ -2132,7 +2120,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
cmd->device->channel + 'A',
cmd->device->lun,
CAM_REQ_ABORTED, SEARCH_COMPLETE) != 0) {
- printf("%s:%d:%d:%d: Command found on untagged queue\n",
+ printk("%s:%d:%d:%d: Command found on untagged queue\n",
ahc_name(ahc), cmd->device->channel, cmd->device->id,
cmd->device->lun);
retval = SUCCESS;
@@ -2186,7 +2174,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
goto no_cmd;
}
- printf("%s: At time of recovery, card was %spaused\n",
+ printk("%s: At time of recovery, card was %spaused\n",
ahc_name(ahc), was_paused ? "" : "not ");
ahc_dump_card_state(ahc);
@@ -2198,7 +2186,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
pending_scb->hscb->tag,
ROLE_INITIATOR, CAM_REQ_ABORTED,
SEARCH_COMPLETE) > 0) {
- printf("%s:%d:%d:%d: Cmd aborted from QINFIFO\n",
+ printk("%s:%d:%d:%d: Cmd aborted from QINFIFO\n",
ahc_name(ahc), cmd->device->channel,
cmd->device->id, cmd->device->lun);
retval = SUCCESS;
@@ -2290,7 +2278,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
* In the non-paging case, the sequencer will
* never re-reference the in-core SCB.
* To make sure we are notified during
- * reslection, set the MK_MESSAGE flag in
+ * reselection, set the MK_MESSAGE flag in
* the card's copy of the SCB.
*/
if ((ahc->flags & AHC_PAGESCBS) == 0) {
@@ -2312,7 +2300,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
ahc_qinfifo_requeue_tail(ahc, pending_scb);
ahc_outb(ahc, SCBPTR, saved_scbptr);
ahc_print_path(ahc, pending_scb);
- printf("Device is disconnected, re-queuing SCB\n");
+ printk("Device is disconnected, re-queuing SCB\n");
wait = TRUE;
} else {
scmd_printk(KERN_INFO, cmd, "Unable to deliver message\n");
@@ -2337,16 +2325,16 @@ done:
ahc->platform_data->eh_done = &done;
ahc_unlock(ahc, &flags);
- printf("Recovery code sleeping\n");
+ printk("Recovery code sleeping\n");
if (!wait_for_completion_timeout(&done, 5 * HZ)) {
ahc_lock(ahc, &flags);
ahc->platform_data->eh_done = NULL;
ahc_unlock(ahc, &flags);
- printf("Timer Expired\n");
+ printk("Timer Expired\n");
retval = FAILED;
}
- printf("Recovery code awake\n");
+ printk("Recovery code awake\n");
} else
ahc_unlock(ahc, &flags);
return (retval);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-20 02:12:38 +0000