static struct scsi_transport_template *ahc_linux_transport_template = NULL;
-/*
- * Include aiclib.c as part of our
- * "module dependencies are hard" work around.
- */
-#include "aiclib.c"
-
#include <linux/init.h> /* __setup */
#include <linux/mm.h> /* For fetching system memory size */
#include <linux/blkdev.h> /* For block_size() */
struct ahc_linux_device *,
struct scsi_cmnd *);
static void ahc_linux_setup_tag_info_global(char *p);
-static aic_option_callback_t ahc_linux_setup_tag_info;
static int aic7xxx_setup(char *s);
static int ahc_linux_unit;
{
struct ahc_softc *ahc;
struct ahc_linux_device *dev = scsi_transport_device_data(cmd->device);
+ int rtn = SCSI_MLQUEUE_HOST_BUSY;
+ unsigned long flags;
ahc = *(struct ahc_softc **)cmd->device->host->hostdata;
- /*
- * Save the callback on completion function.
- */
- cmd->scsi_done = scsi_done;
-
- /*
- * Close the race of a command that was in the process of
- * being queued to us just as our simq was frozen. Let
- * DV commands through so long as we are only frozen to
- * perform DV.
- */
- if (ahc->platform_data->qfrozen != 0)
- return SCSI_MLQUEUE_HOST_BUSY;
-
- cmd->result = CAM_REQ_INPROG << 16;
+ ahc_lock(ahc, &flags);
+ if (ahc->platform_data->qfrozen == 0) {
+ cmd->scsi_done = scsi_done;
+ cmd->result = CAM_REQ_INPROG << 16;
+ rtn = ahc_linux_run_command(ahc, dev, cmd);
+ }
+ ahc_unlock(ahc, &flags);
- return ahc_linux_run_command(ahc, dev, cmd);
+ return rtn;
}
static inline struct scsi_target **
ahc = *((struct ahc_softc **)sdev->host->hostdata);
if (bootverbose)
- printf("%s: Slave Configure %d\n", ahc_name(ahc), sdev->id);
+ sdev_printk(KERN_INFO, sdev, "Slave Configure\n");
ahc_linux_device_queue_depth(sdev);
u_int channel;
ahc = *((struct ahc_softc **)sdev->host->hostdata);
- channel = sdev->channel;
+ channel = sdev_channel(sdev);
bh = scsi_bios_ptable(bdev);
if (bh) {
ahc = *(struct ahc_softc **)cmd->device->host->hostdata;
ahc_lock(ahc, &flags);
- found = ahc_reset_channel(ahc, cmd->device->channel + 'A',
+ found = ahc_reset_channel(ahc, scmd_channel(cmd) + 'A',
/*initiate reset*/TRUE);
ahc_unlock(ahc, &flags);
}
}
+static char *
+ahc_parse_brace_option(char *opt_name, char *opt_arg, char *end, int depth,
+ void (*callback)(u_long, int, int, int32_t),
+ u_long callback_arg)
+{
+ char *tok_end;
+ char *tok_end2;
+ int i;
+ int instance;
+ int targ;
+ int done;
+ char tok_list[] = {'.', ',', '{', '}', '\0'};
+
+ /* All options use a ':' name/arg separator */
+ if (*opt_arg != ':')
+ return (opt_arg);
+ opt_arg++;
+ instance = -1;
+ targ = -1;
+ done = FALSE;
+ /*
+ * Restore separator that may be in
+ * the middle of our option argument.
+ */
+ tok_end = strchr(opt_arg, '\0');
+ if (tok_end < end)
+ *tok_end = ',';
+ while (!done) {
+ switch (*opt_arg) {
+ case '{':
+ if (instance == -1) {
+ instance = 0;
+ } else {
+ if (depth > 1) {
+ if (targ == -1)
+ targ = 0;
+ } else {
+ printf("Malformed Option %s\n",
+ opt_name);
+ done = TRUE;
+ }
+ }
+ opt_arg++;
+ break;
+ case '}':
+ if (targ != -1)
+ targ = -1;
+ else if (instance != -1)
+ instance = -1;
+ opt_arg++;
+ break;
+ case ',':
+ case '.':
+ if (instance == -1)
+ done = TRUE;
+ else if (targ >= 0)
+ targ++;
+ else if (instance >= 0)
+ instance++;
+ opt_arg++;
+ break;
+ case '\0':
+ done = TRUE;
+ break;
+ default:
+ tok_end = end;
+ for (i = 0; tok_list[i]; i++) {
+ tok_end2 = strchr(opt_arg, tok_list[i]);
+ if ((tok_end2) && (tok_end2 < tok_end))
+ tok_end = tok_end2;
+ }
+ callback(callback_arg, instance, targ,
+ simple_strtol(opt_arg, NULL, 0));
+ opt_arg = tok_end;
+ break;
+ }
+ }
+ return (opt_arg);
+}
+
/*
* Handle Linux boot parameters. This routine allows for assigning a value
* to a parameter with a ':' between the parameter and the value.
if (strncmp(p, "global_tag_depth", n) == 0) {
ahc_linux_setup_tag_info_global(p + n);
} else if (strncmp(p, "tag_info", n) == 0) {
- s = aic_parse_brace_option("tag_info", p + n, end,
+ s = ahc_parse_brace_option("tag_info", p + n, end,
2, ahc_linux_setup_tag_info, 0);
} else if (p[n] == ':') {
*(options[i].flag) = simple_strtoul(p + n + 1, NULL, 0);
*((struct ahc_softc **)host->hostdata) = ahc;
ahc_lock(ahc, &s);
- scsi_assign_lock(host, &ahc->platform_data->spin_lock);
ahc->platform_data->host = host;
host->can_queue = AHC_MAX_QUEUE;
host->cmd_per_lun = 2;
return (0);
}
-uint64_t
-ahc_linux_get_memsize(void)
-{
- struct sysinfo si;
-
- si_meminfo(&si);
- return ((uint64_t)si.totalram << PAGE_SHIFT);
-}
-
/*
* Place the SCSI bus into a known state by either resetting it,
* or forcing transfer negotiations on the next command to any
int i, j;
if (ahc->platform_data != NULL) {
- if (ahc->platform_data->host != NULL) {
- scsi_remove_host(ahc->platform_data->host);
- scsi_host_put(ahc->platform_data->host);
- }
-
/* destroy all of the device and target objects */
for (i = 0; i < AHC_NUM_TARGETS; i++) {
starget = ahc->platform_data->starget[i];
0x1000);
}
+ if (ahc->platform_data->host)
+ scsi_host_put(ahc->platform_data->host);
+
free(ahc->platform_data, M_DEVBUF);
}
}
int paused;
int wait;
int disconnected;
+ unsigned long flags;
pending_scb = NULL;
paused = FALSE;
wait = FALSE;
ahc = *(struct ahc_softc **)cmd->device->host->hostdata;
- printf("%s:%d:%d:%d: Attempting to queue a%s message\n",
- ahc_name(ahc), cmd->device->channel,
- cmd->device->id, cmd->device->lun,
+ scmd_printk(KERN_INFO, cmd, "Attempting to queue a%s message\n",
flag == SCB_ABORT ? "n ABORT" : " TARGET RESET");
printf("CDB:");
printf(" 0x%x", cmd->cmnd[cdb_byte]);
printf("\n");
- spin_lock_irq(&ahc->platform_data->spin_lock);
+ ahc_lock(ahc, &flags);
/*
* First determine if we currently own this command.
/* Any SCB for this device will do for a target reset */
LIST_FOREACH(pending_scb, &ahc->pending_scbs, pending_links) {
- if (ahc_match_scb(ahc, pending_scb, cmd->device->id,
- cmd->device->channel + 'A',
+ if (ahc_match_scb(ahc, pending_scb, scmd_id(cmd),
+ scmd_channel(cmd) + 'A',
CAM_LUN_WILDCARD,
SCB_LIST_NULL, ROLE_INITIATOR) == 0)
break;
}
if (pending_scb == NULL) {
- printf("%s:%d:%d:%d: Command not found\n",
- ahc_name(ahc), cmd->device->channel, cmd->device->id,
- cmd->device->lun);
+ scmd_printk(KERN_INFO, cmd, "Command not found\n");
goto no_cmd;
}
paused = TRUE;
if ((pending_scb->flags & SCB_ACTIVE) == 0) {
- printf("%s:%d:%d:%d: Command already completed\n",
- ahc_name(ahc), cmd->device->channel, cmd->device->id,
- cmd->device->lun);
+ scmd_printk(KERN_INFO, cmd, "Command already completed\n");
goto no_cmd;
}
if (last_phase != P_BUSFREE
&& (pending_scb->hscb->tag == active_scb_index
|| (flag == SCB_DEVICE_RESET
- && SCSIID_TARGET(ahc, saved_scsiid) == cmd->device->id))) {
+ && SCSIID_TARGET(ahc, saved_scsiid) == scmd_id(cmd)))) {
/*
* We're active on the bus, so assert ATN
pending_scb->flags |= SCB_RECOVERY_SCB|flag;
ahc_outb(ahc, MSG_OUT, HOST_MSG);
ahc_outb(ahc, SCSISIGO, last_phase|ATNO);
- printf("%s:%d:%d:%d: Device is active, asserting ATN\n",
- ahc_name(ahc), cmd->device->channel, cmd->device->id,
- cmd->device->lun);
+ scmd_printk(KERN_INFO, cmd, "Device is active, asserting ATN\n");
wait = TRUE;
} else if (disconnected) {
printf("Device is disconnected, re-queuing SCB\n");
wait = TRUE;
} else {
- printf("%s:%d:%d:%d: Unable to deliver message\n",
- ahc_name(ahc), cmd->device->channel, cmd->device->id,
- cmd->device->lun);
+ scmd_printk(KERN_INFO, cmd, "Unable to deliver message\n");
retval = FAILED;
goto done;
}
int ret;
ahc->platform_data->flags |= AHC_UP_EH_SEMAPHORE;
- spin_unlock_irq(&ahc->platform_data->spin_lock);
+ ahc_unlock(ahc, &flags);
+
init_timer(&timer);
timer.data = (u_long)ahc;
timer.expires = jiffies + (5 * HZ);
printf("Timer Expired\n");
retval = FAILED;
}
- spin_lock_irq(&ahc->platform_data->spin_lock);
- }
-
- spin_unlock_irq(&ahc->platform_data->spin_lock);
+ } else
+ ahc_unlock(ahc, &flags);
return (retval);
}