static struct scsi_transport_template *ahd_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() */
#include <linux/delay.h> /* For ssleep/msleep */
-
-/*
- * Lock protecting manipulation of the ahd softc list.
- */
-spinlock_t ahd_list_spinlock;
+#include <linux/device.h>
/*
* Bucket size for counting good commands in between bad ones.
*/
uint32_t aic79xx_allow_memio = ~0;
-/*
- * aic79xx_detect() has been run, so register all device arrivals
- * immediately with the system rather than deferring to the sorted
- * attachment performed by aic79xx_detect().
- */
-int aic79xx_detect_complete;
-
/*
* So that we can set how long each device is given as a selection timeout.
* The table of values goes like this:
struct ahd_linux_device *,
struct scsi_cmnd *);
static void ahd_linux_setup_tag_info_global(char *p);
-static aic_option_callback_t ahd_linux_setup_tag_info;
-static aic_option_callback_t ahd_linux_setup_iocell_info;
static int aic79xx_setup(char *c);
-static int ahd_linux_next_unit(void);
+
+static int ahd_linux_unit;
+
/****************************** Inlines ***************************************/
static __inline void ahd_linux_unmap_scb(struct ahd_softc*, struct scb*);
/******************************** Macros **************************************/
#define BUILD_SCSIID(ahd, cmd) \
- ((((cmd)->device->id << TID_SHIFT) & TID) | (ahd)->our_id)
-
-/*
- * Try to detect an Adaptec 79XX controller.
- */
-static int
-ahd_linux_detect(struct scsi_host_template *template)
-{
- struct ahd_softc *ahd;
- int found;
- int error = 0;
-
- /*
- * If we've been passed any parameters, process them now.
- */
- if (aic79xx)
- aic79xx_setup(aic79xx);
-
- template->proc_name = "aic79xx";
-
- /*
- * Initialize our softc list lock prior to
- * probing for any adapters.
- */
- ahd_list_lockinit();
-
-#ifdef CONFIG_PCI
- error = ahd_linux_pci_init();
- if (error)
- return error;
-#endif
-
- /*
- * Register with the SCSI layer all
- * controllers we've found.
- */
- found = 0;
- TAILQ_FOREACH(ahd, &ahd_tailq, links) {
-
- if (ahd_linux_register_host(ahd, template) == 0)
- found++;
- }
- aic79xx_detect_complete++;
- return found;
-}
+ (((scmd_id(cmd) << TID_SHIFT) & TID) | (ahd)->our_id)
/*
* Return a string describing the driver.
ahd = *((struct ahd_softc **)sdev->host->hostdata);
if (bootverbose)
- printf("%s: Slave Configure %d\n", ahd_name(ahd), sdev->id);
+ sdev_printk(KERN_INFO, sdev, "Slave Configure\n");
ahd_linux_device_queue_depth(sdev);
ahd_name(ahd), cmd);
#endif
ahd_lock(ahd, &s);
- found = ahd_reset_channel(ahd, cmd->device->channel + 'A',
+ found = ahd_reset_channel(ahd, scmd_channel(cmd) + 'A',
/*initiate reset*/TRUE);
ahd_unlock(ahd, &s);
struct scsi_host_template aic79xx_driver_template = {
.module = THIS_MODULE,
.name = "aic79xx",
+ .proc_name = "aic79xx",
.proc_info = ahd_linux_proc_info,
.info = ahd_linux_info,
.queuecommand = ahd_linux_queue,
}
}
+static char *
+ahd_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) {
ahd_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 = ahd_parse_brace_option("tag_info", p + n, end,
2, ahd_linux_setup_tag_info, 0);
} else if (strncmp(p, "slewrate", n) == 0) {
- s = aic_parse_brace_option("slewrate",
+ s = ahd_parse_brace_option("slewrate",
p + n, end, 1, ahd_linux_setup_iocell_info,
AIC79XX_SLEWRATE_INDEX);
} else if (strncmp(p, "precomp", n) == 0) {
- s = aic_parse_brace_option("precomp",
+ s = ahd_parse_brace_option("precomp",
p + n, end, 1, ahd_linux_setup_iocell_info,
AIC79XX_PRECOMP_INDEX);
} else if (strncmp(p, "amplitude", n) == 0) {
- s = aic_parse_brace_option("amplitude",
+ s = ahd_parse_brace_option("amplitude",
p + n, end, 1, ahd_linux_setup_iocell_info,
AIC79XX_AMPLITUDE_INDEX);
} else if (p[n] == ':') {
host->max_lun = AHD_NUM_LUNS;
host->max_channel = 0;
host->sg_tablesize = AHD_NSEG;
- ahd_set_unit(ahd, ahd_linux_next_unit());
+ ahd_set_unit(ahd, ahd_linux_unit++);
sprintf(buf, "scsi%d", host->host_no);
new_name = malloc(strlen(buf) + 1, M_DEVBUF, M_NOWAIT);
if (new_name != NULL) {
return ((uint64_t)si.totalram << PAGE_SHIFT);
}
-/*
- * Find the smallest available unit number to use
- * for a new device. We don't just use a static
- * count to handle the "repeated hot-(un)plug"
- * scenario.
- */
-static int
-ahd_linux_next_unit(void)
-{
- struct ahd_softc *ahd;
- int unit;
-
- unit = 0;
-retry:
- TAILQ_FOREACH(ahd, &ahd_tailq, links) {
- if (ahd->unit == unit) {
- unit++;
- goto retry;
- }
- }
- return (unit);
-}
-
/*
* 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 (ahd->platform_data != NULL) {
- if (ahd->platform_data->host != NULL) {
- scsi_remove_host(ahd->platform_data->host);
- scsi_host_put(ahd->platform_data->host);
- }
-
/* destroy all of the device and target objects */
for (i = 0; i < AHD_NUM_TARGETS; i++) {
starget = ahd->platform_data->starget[i];
release_mem_region(ahd->platform_data->mem_busaddr,
0x1000);
}
+ if (ahd->platform_data->host)
+ scsi_host_put(ahd->platform_data->host);
+
free(ahd->platform_data, M_DEVBUF);
}
}
* are identical to those last reported.
*/
starget = ahd->platform_data->starget[target];
- targ = scsi_transport_target_data(starget);
- if (targ == NULL)
+ if (starget == NULL)
break;
+ targ = scsi_transport_target_data(starget);
target_ppr_options =
(spi_dt(starget) ? MSG_EXT_PPR_DT_REQ : 0)
+ (spi_qas(starget) ? MSG_EXT_PPR_QAS_REQ : 0)
- + (spi_iu(starget) ? MSG_EXT_PPR_IU_REQ : 0);
+ + (spi_iu(starget) ? MSG_EXT_PPR_IU_REQ : 0)
+ + (spi_rd_strm(starget) ? MSG_EXT_PPR_RD_STRM : 0)
+ + (spi_pcomp_en(starget) ? MSG_EXT_PPR_PCOMP_EN : 0)
+ + (spi_rti(starget) ? MSG_EXT_PPR_RTI : 0)
+ + (spi_wr_flow(starget) ? MSG_EXT_PPR_WR_FLOW : 0)
+ + (spi_hold_mcs(starget) ? MSG_EXT_PPR_HOLD_MCS : 0);
if (tinfo->curr.period == spi_period(starget)
&& tinfo->curr.width == spi_width(starget)
spi_period(starget) = tinfo->curr.period;
spi_width(starget) = tinfo->curr.width;
spi_offset(starget) = tinfo->curr.offset;
- spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ;
- spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ;
- spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ;
+ spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ ? 1 : 0;
+ spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ ? 1 : 0;
+ spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ ? 1 : 0;
+ spi_rd_strm(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_RD_STRM ? 1 : 0;
+ spi_pcomp_en(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_PCOMP_EN ? 1 : 0;
+ spi_rti(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_RTI ? 1 : 0;
+ spi_wr_flow(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_WR_FLOW ? 1 : 0;
+ spi_hold_mcs(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_HOLD_MCS ? 1 : 0;
spi_display_xfer_agreement(starget);
break;
}
wait = FALSE;
ahd = *(struct ahd_softc **)cmd->device->host->hostdata;
- printf("%s:%d:%d:%d: Attempting to queue a%s message:",
- ahd_name(ahd), cmd->device->channel,
- cmd->device->id, cmd->device->lun,
+ scmd_printk(KERN_INFO, cmd,
+ "Attempting to queue a%s message:",
flag == SCB_ABORT ? "n ABORT" : " TARGET RESET");
printf("CDB:");
* 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",
- ahd_name(ahd), cmd->device->channel, cmd->device->id,
- cmd->device->lun);
+ scmd_printk(KERN_INFO, cmd, "Is not an active device\n");
retval = SUCCESS;
goto no_cmd;
}
/* Any SCB for this device will do for a target reset */
LIST_FOREACH(pending_scb, &ahd->pending_scbs, pending_links) {
- if (ahd_match_scb(ahd, pending_scb, cmd->device->id,
- cmd->device->channel + 'A',
+ if (ahd_match_scb(ahd, 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",
- ahd_name(ahd), 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",
- ahd_name(ahd), 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
&& (SCB_GET_TAG(pending_scb) == active_scbptr
|| (flag == SCB_DEVICE_RESET
- && SCSIID_TARGET(ahd, saved_scsiid) == cmd->device->id))) {
+ && SCSIID_TARGET(ahd, saved_scsiid) == scmd_id(cmd)))) {
/*
* We're active on the bus, so assert ATN
pending_scb->flags |= SCB_RECOVERY_SCB|flag;
ahd_outb(ahd, MSG_OUT, HOST_MSG);
ahd_outb(ahd, SCSISIGO, last_phase|ATNO);
- printf("%s:%d:%d:%d: Device is active, asserting ATN\n",
- ahd_name(ahd), 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",
- ahd_name(ahd), cmd->device->channel,
- cmd->device->id, cmd->device->lun);
+ scmd_printk(KERN_INFO, cmd, "Unable to deliver message\n");
retval = FAILED;
goto done;
}
return (retval);
}
-static void ahd_linux_exit(void);
-
static void ahd_linux_set_width(struct scsi_target *starget, int width)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
shost->this_id, starget->id, &tstate);
struct ahd_devinfo devinfo;
unsigned int ppr_options = tinfo->goal.ppr_options;
+ unsigned int dt;
unsigned long flags;
unsigned long offset = tinfo->goal.offset;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: set period to %d\n", ahd_name(ahd), period);
+#endif
if (offset == 0)
offset = MAX_OFFSET;
ppr_options |= MSG_EXT_PPR_IU_REQ;
}
+ dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
ppr_options &= MSG_EXT_PPR_QAS_REQ;
}
- ahd_find_syncrate(ahd, &period, &ppr_options, AHD_SYNCRATE_MAX);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
struct ahd_devinfo devinfo;
unsigned int ppr_options = 0;
unsigned int period = 0;
+ unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
unsigned long flags;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: set offset to %d\n", ahd_name(ahd), offset);
+#endif
+
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
if (offset != 0) {
period = tinfo->goal.period;
ppr_options = tinfo->goal.ppr_options;
- ahd_find_syncrate(ahd, &period, &ppr_options, AHD_SYNCRATE_MAX);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
}
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, offset, ppr_options,
AHD_TRANS_GOAL, FALSE);
unsigned int ppr_options = tinfo->goal.ppr_options
& ~MSG_EXT_PPR_DT_REQ;
unsigned int period = tinfo->goal.period;
+ unsigned int width = tinfo->goal.width;
unsigned long flags;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s DT\n", ahd_name(ahd),
+ dt ? "enabling" : "disabling");
+#endif
if (dt) {
ppr_options |= MSG_EXT_PPR_DT_REQ;
- if (period > 9)
- period = 9; /* at least 12.5ns for DT */
- } else if (period <= 9)
- period = 10; /* If resetting DT, period must be >= 25ns */
-
+ if (!width)
+ ahd_linux_set_width(starget, 1);
+ } else {
+ if (period <= 9)
+ period = 10; /* If resetting DT, period must be >= 25ns */
+ /* IU is invalid without DT set */
+ ppr_options &= ~MSG_EXT_PPR_IU_REQ;
+ }
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
ahd_find_syncrate(ahd, &period, &ppr_options,
dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
unsigned int ppr_options = tinfo->goal.ppr_options
& ~MSG_EXT_PPR_QAS_REQ;
unsigned int period = tinfo->goal.period;
- unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned int dt;
unsigned long flags;
- if (qas)
- ppr_options |= MSG_EXT_PPR_QAS_REQ;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s QAS\n", ahd_name(ahd),
+ qas ? "enabling" : "disabling");
+#endif
+
+ if (qas) {
+ ppr_options |= MSG_EXT_PPR_QAS_REQ;
+ }
+
+ dt = ppr_options & MSG_EXT_PPR_DT_REQ;
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
ahd_find_syncrate(ahd, &period, &ppr_options,
dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
unsigned int ppr_options = tinfo->goal.ppr_options
& ~MSG_EXT_PPR_IU_REQ;
unsigned int period = tinfo->goal.period;
- unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned int dt;
unsigned long flags;
- if (iu)
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s IU\n", ahd_name(ahd),
+ iu ? "enabling" : "disabling");
+#endif
+
+ if (iu) {
ppr_options |= MSG_EXT_PPR_IU_REQ;
+ ppr_options |= MSG_EXT_PPR_DT_REQ; /* IU requires DT */
+ }
+
+ dt = ppr_options & MSG_EXT_PPR_DT_REQ;
ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
ahd_find_syncrate(ahd, &period, &ppr_options,
dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
unsigned long flags;
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s Read Streaming\n", ahd_name(ahd),
+ rdstrm ? "enabling" : "disabling");
+#endif
+
if (rdstrm)
ppr_options |= MSG_EXT_PPR_RD_STRM;
starget->channel + 'A', ROLE_INITIATOR);
ahd_find_syncrate(ahd, &period, &ppr_options,
dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ ahd_lock(ahd, &flags);
+ ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+ ppr_options, AHD_TRANS_GOAL, FALSE);
+ ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_wr_flow(struct scsi_target *starget, int wrflow)
+{
+ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+ struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+ struct ahd_tmode_tstate *tstate;
+ struct ahd_initiator_tinfo *tinfo
+ = ahd_fetch_transinfo(ahd,
+ starget->channel + 'A',
+ shost->this_id, starget->id, &tstate);
+ struct ahd_devinfo devinfo;
+ unsigned int ppr_options = tinfo->goal.ppr_options
+ & ~MSG_EXT_PPR_WR_FLOW;
+ unsigned int period = tinfo->goal.period;
+ unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned long flags;
+
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s Write Flow Control\n", ahd_name(ahd),
+ wrflow ? "enabling" : "disabling");
+#endif
+
+ if (wrflow)
+ ppr_options |= MSG_EXT_PPR_WR_FLOW;
+
+ ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+ starget->channel + 'A', ROLE_INITIATOR);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ ahd_lock(ahd, &flags);
+ ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+ ppr_options, AHD_TRANS_GOAL, FALSE);
+ ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_rti(struct scsi_target *starget, int rti)
+{
+ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+ struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+ struct ahd_tmode_tstate *tstate;
+ struct ahd_initiator_tinfo *tinfo
+ = ahd_fetch_transinfo(ahd,
+ starget->channel + 'A',
+ shost->this_id, starget->id, &tstate);
+ struct ahd_devinfo devinfo;
+ unsigned int ppr_options = tinfo->goal.ppr_options
+ & ~MSG_EXT_PPR_RTI;
+ unsigned int period = tinfo->goal.period;
+ unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned long flags;
+
+ if ((ahd->features & AHD_RTI) == 0) {
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: RTI not available\n", ahd_name(ahd));
+#endif
+ return;
+ }
+
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s RTI\n", ahd_name(ahd),
+ rti ? "enabling" : "disabling");
+#endif
+
+ if (rti)
+ ppr_options |= MSG_EXT_PPR_RTI;
+
+ ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+ starget->channel + 'A', ROLE_INITIATOR);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ ahd_lock(ahd, &flags);
+ ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+ ppr_options, AHD_TRANS_GOAL, FALSE);
+ ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_pcomp_en(struct scsi_target *starget, int pcomp)
+{
+ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+ struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+ struct ahd_tmode_tstate *tstate;
+ struct ahd_initiator_tinfo *tinfo
+ = ahd_fetch_transinfo(ahd,
+ starget->channel + 'A',
+ shost->this_id, starget->id, &tstate);
+ struct ahd_devinfo devinfo;
+ unsigned int ppr_options = tinfo->goal.ppr_options
+ & ~MSG_EXT_PPR_PCOMP_EN;
+ unsigned int period = tinfo->goal.period;
+ unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned long flags;
+
+#ifdef AHD_DEBUG
+ if ((ahd_debug & AHD_SHOW_DV) != 0)
+ printf("%s: %s Precompensation\n", ahd_name(ahd),
+ pcomp ? "Enable" : "Disable");
+#endif
+
+ if (pcomp)
+ ppr_options |= MSG_EXT_PPR_PCOMP_EN;
+
+ ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+ starget->channel + 'A', ROLE_INITIATOR);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
ahd_lock(ahd, &flags);
ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
ppr_options, AHD_TRANS_GOAL, FALSE);
ahd_unlock(ahd, &flags);
}
+static void ahd_linux_set_hold_mcs(struct scsi_target *starget, int hold)
+{
+ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+ struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+ struct ahd_tmode_tstate *tstate;
+ struct ahd_initiator_tinfo *tinfo
+ = ahd_fetch_transinfo(ahd,
+ starget->channel + 'A',
+ shost->this_id, starget->id, &tstate);
+ struct ahd_devinfo devinfo;
+ unsigned int ppr_options = tinfo->goal.ppr_options
+ & ~MSG_EXT_PPR_HOLD_MCS;
+ unsigned int period = tinfo->goal.period;
+ unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+ unsigned long flags;
+
+ if (hold)
+ ppr_options |= MSG_EXT_PPR_HOLD_MCS;
+
+ ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+ starget->channel + 'A', ROLE_INITIATOR);
+ ahd_find_syncrate(ahd, &period, &ppr_options,
+ dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+ ahd_lock(ahd, &flags);
+ ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+ ppr_options, AHD_TRANS_GOAL, FALSE);
+ ahd_unlock(ahd, &flags);
+}
+
+
+
static struct spi_function_template ahd_linux_transport_functions = {
.set_offset = ahd_linux_set_offset,
.show_offset = 1,
.show_qas = 1,
.set_rd_strm = ahd_linux_set_rd_strm,
.show_rd_strm = 1,
+ .set_wr_flow = ahd_linux_set_wr_flow,
+ .show_wr_flow = 1,
+ .set_rti = ahd_linux_set_rti,
+ .show_rti = 1,
+ .set_pcomp_en = ahd_linux_set_pcomp_en,
+ .show_pcomp_en = 1,
+ .set_hold_mcs = ahd_linux_set_hold_mcs,
+ .show_hold_mcs = 1,
};
-
-
static int __init
ahd_linux_init(void)
{
- ahd_linux_transport_template = spi_attach_transport(&ahd_linux_transport_functions);
+ int error = 0;
+
+ /*
+ * If we've been passed any parameters, process them now.
+ */
+ if (aic79xx)
+ aic79xx_setup(aic79xx);
+
+ ahd_linux_transport_template =
+ spi_attach_transport(&ahd_linux_transport_functions);
if (!ahd_linux_transport_template)
return -ENODEV;
+
scsi_transport_reserve_target(ahd_linux_transport_template,
sizeof(struct ahd_linux_target));
scsi_transport_reserve_device(ahd_linux_transport_template,
sizeof(struct ahd_linux_device));
- if (ahd_linux_detect(&aic79xx_driver_template) > 0)
- return 0;
- spi_release_transport(ahd_linux_transport_template);
- ahd_linux_exit();
- return -ENODEV;
+
+ error = ahd_linux_pci_init();
+ if (error)
+ spi_release_transport(ahd_linux_transport_template);
+ return error;
}
static void __exit