#ifndef SYM_DEFS_H
#define SYM_DEFS_H
-#define SYM_VERSION "2.2.0"
+#define SYM_VERSION "2.2.1"
#define SYM_DRIVER_NAME "sym-" SYM_VERSION
/*
base = tmp;
if ((tmp & 0x7) == PCI_BASE_ADDRESS_MEM_TYPE_64) {
pci_read_config_dword(pdev, PCI_BAR_OFFSET(index++), &tmp);
- if (tmp > 0)
+ if (tmp > 0) {
dev_err(&pdev->dev,
"BAR %d is 64-bit, disabling\n", index - 1);
- base = 0;
+ base = 0;
+ }
}
if ((base & PCI_BASE_ADDRESS_SPACE) == PCI_BASE_ADDRESS_SPACE_IO) {
{
struct sym_tblmove *data = &cp->phys.data[SYM_CONF_MAX_SG-1];
int segment;
+ unsigned int len = cmd->request_bufflen;
- cp->data_len = cmd->request_bufflen;
-
- if (cmd->request_bufflen) {
+ if (len) {
dma_addr_t baddr = map_scsi_single_data(np, cmd);
if (baddr) {
- sym_build_sge(np, data, baddr, cmd->request_bufflen);
+ if (len & 1) {
+ struct sym_tcb *tp = &np->target[cp->target];
+ if (tp->head.wval & EWS) {
+ len++;
+ cp->odd_byte_adjustment++;
+ }
+ }
+ cp->data_len = len;
+ sym_build_sge(np, data, baddr, len);
segment = 1;
} else {
segment = -2;
segment = sym_scatter_no_sglist(np, cp, cmd);
else if ((use_sg = map_scsi_sg_data(np, cmd)) > 0) {
struct scatterlist *scatter = (struct scatterlist *)cmd->buffer;
+ struct sym_tcb *tp = &np->target[cp->target];
struct sym_tblmove *data;
if (use_sg > SYM_CONF_MAX_SG) {
dma_addr_t baddr = sg_dma_address(&scatter[segment]);
unsigned int len = sg_dma_len(&scatter[segment]);
+ if ((len & 1) && (tp->head.wval & EWS)) {
+ len++;
+ cp->odd_byte_adjustment++;
+ }
+
sym_build_sge(np, &data[segment], baddr, len);
cp->data_len += len;
}
* Minimal checkings, so that we will not
* go outside our tables.
*/
- if (sdev->id == np->myaddr ||
- sdev->id >= SYM_CONF_MAX_TARGET ||
- sdev->lun >= SYM_CONF_MAX_LUN) {
- sym_xpt_done2(np, cmd, CAM_DEV_NOT_THERE);
+ if (sdev->id == np->myaddr) {
+ sym_xpt_done2(np, cmd, DID_NO_CONNECT);
return 0;
}
*/
tp = &np->target[sdev->id];
- /*
- * Complete the 1st INQUIRY command with error
- * condition if the device is flagged NOSCAN
- * at BOOT in the NVRAM. This may speed up
- * the boot and maintain coherency with BIOS
- * device numbering. Clearing the flag allows
- * user to rescan skipped devices later.
- * We also return error for devices not flagged
- * for SCAN LUNS in the NVRAM since some mono-lun
- * devices behave badly when asked for some non
- * zero LUN. Btw, this is an absolute hack.:-)
- */
- if (cmd->cmnd[0] == 0x12 || cmd->cmnd[0] == 0x0) {
- if ((tp->usrflags & SYM_SCAN_BOOT_DISABLED) ||
- ((tp->usrflags & SYM_SCAN_LUNS_DISABLED) &&
- sdev->lun != 0)) {
- tp->usrflags &= ~SYM_SCAN_BOOT_DISABLED;
- sym_xpt_done2(np, cmd, CAM_DEV_NOT_THERE);
- return 0;
- }
- }
-
/*
* Select tagged/untagged.
*/
*/
static inline int sym_setup_cdb(struct sym_hcb *np, struct scsi_cmnd *cmd, struct sym_ccb *cp)
{
- u32 cmd_ba;
- int cmd_len;
-
- /*
- * CDB is 16 bytes max.
- */
- if (cmd->cmd_len > sizeof(cp->cdb_buf)) {
- sym_set_cam_status(cp->cmd, CAM_REQ_INVALID);
- return -1;
- }
-
memcpy(cp->cdb_buf, cmd->cmnd, cmd->cmd_len);
- cmd_ba = CCB_BA (cp, cdb_buf[0]);
- cmd_len = cmd->cmd_len;
- cp->phys.cmd.addr = cpu_to_scr(cmd_ba);
- cp->phys.cmd.size = cpu_to_scr(cmd_len);
+ cp->phys.cmd.addr = CCB_BA(cp, cdb_buf[0]);
+ cp->phys.cmd.size = cpu_to_scr(cmd->cmd_len);
return 0;
}
if (dir != DMA_NONE) {
cp->segments = sym_scatter(np, cp, cmd);
if (cp->segments < 0) {
- if (cp->segments == -2)
- sym_set_cam_status(cmd, CAM_RESRC_UNAVAIL);
- else
- sym_set_cam_status(cmd, CAM_REQ_TOO_BIG);
+ sym_set_cam_status(cmd, DID_ERROR);
goto out_abort;
}
} else {
ep->to_do = to_do;
/* Complete the command with locks held as required by the driver */
if (to_do == SYM_EH_DO_COMPLETE)
- sym_xpt_done2(np, cmd, CAM_REQ_ABORTED);
+ sym_xpt_done2(np, cmd, DID_ABORT);
/* Wait for completion with locks released, as required by kernel */
if (to_do == SYM_EH_DO_WAIT) {
lp->s.reqtags = reqtags;
if (reqtags != oldtags) {
- dev_info(&tp->sdev->sdev_target->dev,
+ dev_info(&tp->starget->dev,
"tagged command queuing %s, command queue depth %d.\n",
lp->s.reqtags ? "enabled" : "disabled",
lp->started_limit);
return DEF_DEPTH;
}
-static int sym53c8xx_slave_alloc(struct scsi_device *device)
+static int sym53c8xx_slave_alloc(struct scsi_device *sdev)
{
- struct sym_hcb *np = sym_get_hcb(device->host);
- struct sym_tcb *tp = &np->target[device->id];
- if (!tp->sdev)
- tp->sdev = device;
+ struct sym_hcb *np;
+ struct sym_tcb *tp;
- return 0;
-}
+ if (sdev->id >= SYM_CONF_MAX_TARGET || sdev->lun >= SYM_CONF_MAX_LUN)
+ return -ENXIO;
-static void sym53c8xx_slave_destroy(struct scsi_device *device)
-{
- struct sym_hcb *np = sym_get_hcb(device->host);
- struct sym_tcb *tp = &np->target[device->id];
- if (tp->sdev == device)
- tp->sdev = NULL;
+ np = sym_get_hcb(sdev->host);
+ tp = &np->target[sdev->id];
+
+ /*
+ * Fail the device init if the device is flagged NOSCAN at BOOT in
+ * the NVRAM. This may speed up boot and maintain coherency with
+ * BIOS device numbering. Clearing the flag allows the user to
+ * rescan skipped devices later. We also return an error for
+ * devices not flagged for SCAN LUNS in the NVRAM since some single
+ * lun devices behave badly when asked for a non zero LUN.
+ */
+
+ if ((tp->usrflags & SYM_SCAN_BOOT_DISABLED) ||
+ ((tp->usrflags & SYM_SCAN_LUNS_DISABLED) && sdev->lun != 0)) {
+ tp->usrflags &= ~SYM_SCAN_BOOT_DISABLED;
+ return -ENXIO;
+ }
+
+ tp->starget = sdev->sdev_target;
+ return 0;
}
/*
*/
printk("%s: resetting chip\n", sym_name(np));
OUTB(np, nc_istat, SRST);
+ INB(np, nc_mbox1);
udelay(10);
OUTB(np, nc_istat, 0);
.queuecommand = sym53c8xx_queue_command,
.slave_alloc = sym53c8xx_slave_alloc,
.slave_configure = sym53c8xx_slave_configure,
- .slave_destroy = sym53c8xx_slave_destroy,
.eh_abort_handler = sym53c8xx_eh_abort_handler,
.eh_device_reset_handler = sym53c8xx_eh_device_reset_handler,
.eh_bus_reset_handler = sym53c8xx_eh_bus_reset_handler,
#define cpu_to_scr(dw) cpu_to_le32(dw)
#define scr_to_cpu(dw) le32_to_cpu(dw)
-/*
- * Remap some status field values.
- */
-#define CAM_REQ_CMP DID_OK
-#define CAM_SEL_TIMEOUT DID_NO_CONNECT
-#define CAM_CMD_TIMEOUT DID_TIME_OUT
-#define CAM_REQ_ABORTED DID_ABORT
-#define CAM_UNCOR_PARITY DID_PARITY
-#define CAM_SCSI_BUS_RESET DID_RESET
-#define CAM_REQUEUE_REQ DID_SOFT_ERROR
-#define CAM_UNEXP_BUSFREE DID_ERROR
-#define CAM_SCSI_BUSY DID_BUS_BUSY
-
-#define CAM_DEV_NOT_THERE DID_NO_CONNECT
-#define CAM_REQ_INVALID DID_ERROR
-#define CAM_REQ_TOO_BIG DID_ERROR
-
-#define CAM_RESRC_UNAVAIL DID_ERROR
-
-/*
- * Remap data direction values.
- */
-#define CAM_DIR_NONE DMA_NONE
-#define CAM_DIR_IN DMA_FROM_DEVICE
-#define CAM_DIR_OUT DMA_TO_DEVICE
-#define CAM_DIR_UNKNOWN DMA_BIDIRECTIONAL
-
/*
* These ones are used as return code from
* error recovery handlers under Linux.
static void sym_print_nego_msg(struct sym_hcb *np, int target, char *label, u_char *msg)
{
struct sym_tcb *tp = &np->target[target];
- dev_info(&tp->sdev->sdev_target->dev, "%s: ", label);
+ dev_info(&tp->starget->dev, "%s: ", label);
sym_show_msg(msg);
printf(".\n");
static void sym_chip_reset (struct sym_hcb *np)
{
OUTB(np, nc_istat, SRST);
+ INB(np, nc_mbox1);
udelay(10);
OUTB(np, nc_istat, 0);
+ INB(np, nc_mbox1);
udelay(2000); /* For BUS MODE to settle */
}
OUTB(np, nc_stest3, TE);
OUTB(np, nc_dcntl, (np->rv_dcntl & IRQM));
OUTB(np, nc_scntl1, CRST);
+ INB(np, nc_mbox1);
udelay(200);
if (!SYM_SETUP_SCSI_BUS_CHECK)
if (!i)
printf("%s: the chip cannot lock the frequency\n",
sym_name(np));
- } else
- udelay((50+10));
+ } else {
+ INB(np, nc_mbox1);
+ udelay(50+10);
+ }
OUTB(np, nc_stest3, HSC); /* Halt the scsi clock */
OUTB(np, nc_scntl3, scntl3);
OUTB(np, nc_stest1, (DBLEN|DBLSEL));/* Select clock multiplier */
static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgptr)
{
struct sym_tcb *tp = &np->target[cp->target];
- struct scsi_target *starget = tp->sdev->sdev_target;
+ struct scsi_target *starget = tp->starget;
struct sym_trans *goal = &tp->tgoal;
int msglen = 0;
int nego;
if (cam_status)
sym_set_cam_status(cmd, cam_status);
#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
- if (sym_get_cam_status(cmd) == CAM_REQUEUE_REQ) {
+ if (sym_get_cam_status(cmd) == DID_SOFT_ERROR) {
struct sym_tcb *tp = &np->target[cp->target];
struct sym_lcb *lp = sym_lp(tp, cp->lun);
if (lp) {
/*
* Wakeup all pending jobs.
*/
- sym_flush_busy_queue(np, CAM_SCSI_BUS_RESET);
+ sym_flush_busy_queue(np, DID_RESET);
/*
* Init chip.
*/
OUTB(np, nc_istat, 0x00); /* Remove Reset, abort */
+ INB(np, nc_mbox1);
udelay(2000); /* The 895 needs time for the bus mode to settle */
OUTB(np, nc_scntl0, np->rv_scntl0 | 0xc0);
if (np->features & (FE_ULTRA2|FE_ULTRA3)) {
OUTONW(np, nc_sien, SBMC);
if (reason == 0) {
+ INB(np, nc_mbox1);
mdelay(100);
INW(np, nc_sist);
}
static void sym_setwide(struct sym_hcb *np, int target, u_char wide)
{
struct sym_tcb *tp = &np->target[target];
- struct scsi_target *starget = tp->sdev->sdev_target;
+ struct scsi_target *starget = tp->starget;
if (spi_width(starget) == wide)
return;
u_char ofs, u_char per, u_char div, u_char fak)
{
struct sym_tcb *tp = &np->target[target];
- struct scsi_target *starget = tp->sdev->sdev_target;
+ struct scsi_target *starget = tp->starget;
u_char wide = (tp->head.wval & EWS) ? BUS_16_BIT : BUS_8_BIT;
sym_settrans(np, target, 0, ofs, per, wide, div, fak);
u_char per, u_char wide, u_char div, u_char fak)
{
struct sym_tcb *tp = &np->target[target];
- struct scsi_target *starget = tp->sdev->sdev_target;
+ struct scsi_target *starget = tp->starget;
sym_settrans(np, target, opts, ofs, per, wide, div, fak);
* Dequeue from the START queue all CCBs that match
* a given target/lun/task condition (-1 means all),
* and move them from the BUSY queue to the COMP queue
- * with CAM_REQUEUE_REQ status condition.
+ * with DID_SOFT_ERROR status condition.
* This function is used during error handling/recovery.
* It is called with SCRIPTS not running.
*/
if ((target == -1 || cp->target == target) &&
(lun == -1 || cp->lun == lun) &&
(task == -1 || cp->tag == task)) {
- sym_set_cam_status(cp->cmd, CAM_REQUEUE_REQ);
+ sym_set_cam_status(cp->cmd, DID_SOFT_ERROR);
sym_remque(&cp->link_ccbq);
sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq);
}
/*
* Message table indirect structure.
*/
- cp->phys.smsg.addr = cpu_to_scr(CCB_BA(cp, scsi_smsg2));
+ cp->phys.smsg.addr = CCB_BA(cp, scsi_smsg2);
cp->phys.smsg.size = cpu_to_scr(msglen);
/*
* sense command
*/
- cp->phys.cmd.addr = cpu_to_scr(CCB_BA(cp, sensecmd));
+ cp->phys.cmd.addr = CCB_BA(cp, sensecmd);
cp->phys.cmd.size = cpu_to_scr(6);
/*
* sense data
*/
memset(cp->sns_bbuf, 0, SYM_SNS_BBUF_LEN);
- cp->phys.sense.addr = cpu_to_scr(CCB_BA(cp, sns_bbuf));
+ cp->phys.sense.addr = CCB_BA(cp, sns_bbuf);
cp->phys.sense.size = cpu_to_scr(SYM_SNS_BBUF_LEN);
/*
sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq);
/* Preserve the software timeout condition */
- if (sym_get_cam_status(cmd) != CAM_CMD_TIMEOUT)
+ if (sym_get_cam_status(cmd) != DID_TIME_OUT)
sym_set_cam_status(cmd, cam_status);
++i;
#if 0
* Make sure at least our IO to abort has been dequeued.
*/
#ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING
- assert(i && sym_get_cam_status(cp->cmd) == CAM_REQUEUE_REQ);
+ assert(i && sym_get_cam_status(cp->cmd) == DID_SOFT_ERROR);
#else
sym_remque(&cp->link_ccbq);
sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq);
* Keep track in cam status of the reason of the abort.
*/
if (cp->to_abort == 2)
- sym_set_cam_status(cp->cmd, CAM_CMD_TIMEOUT);
+ sym_set_cam_status(cp->cmd, DID_TIME_OUT);
else
- sym_set_cam_status(cp->cmd, CAM_REQ_ABORTED);
+ sym_set_cam_status(cp->cmd, DID_ABORT);
/*
* Complete with error everything that we have dequeued.
* conditions not due to timeout.
*/
if (cp->to_abort == 2)
- sym_set_cam_status(cp->cmd, CAM_CMD_TIMEOUT);
+ sym_set_cam_status(cp->cmd, DID_TIME_OUT);
cp->to_abort = 0; /* We donnot expect to fail here */
break;
case SIR_ABORT_SENT:
target = INB(np, nc_sdid) & 0xf;
tp = &np->target[target];
- starget = tp->sdev->sdev_target;
+ starget = tp->starget;
/*
** If we didn't abort anything, leave here.
*/
i = (INL(np, nc_scratcha) - np->squeue_ba) / 4;
sym_dequeue_from_squeue(np, i, target, lun, -1);
- sym_clear_tasks(np, CAM_REQ_ABORTED, target, lun, task);
+ sym_clear_tasks(np, DID_ABORT, target, lun, task);
sym_flush_comp_queue(np, 0);
/*
* Print to the log the message we intend to send.
*/
if (num == SIR_TARGET_SELECTED) {
- dev_info(&tp->sdev->sdev_target->dev, "control msgout:");
+ dev_info(&tp->starget->dev, "control msgout:");
sym_printl_hex(np->abrt_msg, np->abrt_tbl.size);
np->abrt_tbl.size = cpu_to_scr(np->abrt_tbl.size);
}
resid += (tmp & 0xffffff);
}
+ resid -= cp->odd_byte_adjustment;
+
/*
* Hopefully, the result is not too wrong.
*/
}
#endif
- /*
- * Remember all informations needed to free this CCB.
- */
cp->to_abort = 0;
+ cp->odd_byte_adjustment = 0;
cp->tag = tag;
cp->order = tag_order;
cp->target = tn;
lp->itlq_tbl = sym_calloc_dma(SYM_CONF_MAX_TASK*4, "ITLQ_TBL");
if (!lp->itlq_tbl)
goto fail;
- lp->cb_tags = kcalloc(SYM_CONF_MAX_TASK, 1, GFP_KERNEL);
+ lp->cb_tags = kcalloc(SYM_CONF_MAX_TASK, 1, GFP_ATOMIC);
if (!lp->cb_tags) {
sym_mfree_dma(lp->itlq_tbl, SYM_CONF_MAX_TASK*4, "ITLQ_TBL");
lp->itlq_tbl = NULL;
/*
* message
*/
- cp->phys.smsg.addr = cpu_to_scr(CCB_BA(cp, scsi_smsg));
+ cp->phys.smsg.addr = CCB_BA(cp, scsi_smsg);
cp->phys.smsg.size = cpu_to_scr(msglen);
/*
}
/*
- * Complete execution of a SCSI command with extented
+ * Complete execution of a SCSI command with extended
* error, SCSI status error, or having been auto-sensed.
*
* The SCRIPTS processor is not running there, so we
/*
* Let's requeue it to device.
*/
- sym_set_cam_status(cmd, CAM_REQUEUE_REQ);
+ sym_set_cam_status(cmd, DID_SOFT_ERROR);
goto finish;
}
weirdness:
*/
u_char usrflags;
u_short usrtags;
- struct scsi_device *sdev;
+ struct scsi_target *starget;
};
/*
int segments; /* Number of SG segments */
u8 order; /* Tag type (if tagged command) */
+ unsigned char odd_byte_adjustment; /* odd-sized req on wide bus */
- /*
- * Miscellaneous status'.
- */
u_char nego_status; /* Negotiation status */
u_char xerr_status; /* Extended error flags */
u32 extra_bytes; /* Extraneous bytes transferred */
#endif
};
-#define CCB_BA(cp,lbl) (cp->ccb_ba + offsetof(struct sym_ccb, lbl))
+#define CCB_BA(cp,lbl) cpu_to_scr(cp->ccb_ba + offsetof(struct sym_ccb, lbl))
#ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
#define sym_goalp(cp) ((cp->host_flags & HF_DATA_IN) ? cp->goalp : cp->wgoalp)
* No segments means no data.
*/
if (!cp->segments)
- dir = CAM_DIR_NONE;
+ dir = DMA_NONE;
/*
* Set the data pointer.
*/
switch(dir) {
#ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
- case CAM_DIR_UNKNOWN:
+ case DMA_BIDIRECTIONAL:
#endif
- case CAM_DIR_OUT:
+ case DMA_TO_DEVICE:
goalp = SCRIPTA_BA(np, data_out2) + 8;
lastp = goalp - 8 - (cp->segments * (2*4));
#ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
cp->wgoalp = cpu_to_scr(goalp);
- if (dir != CAM_DIR_UNKNOWN)
+ if (dir != DMA_BIDIRECTIONAL)
break;
cp->phys.head.wlastp = cpu_to_scr(lastp);
/* fall through */
#else
break;
#endif
- case CAM_DIR_IN:
+ case DMA_FROM_DEVICE:
cp->host_flags |= HF_DATA_IN;
goalp = SCRIPTA_BA(np, data_in2) + 8;
lastp = goalp - 8 - (cp->segments * (2*4));
break;
- case CAM_DIR_NONE:
+ case DMA_NONE:
default:
#ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
cp->host_flags |= HF_DATA_IN;
/*
* If direction is unknown, start at data_io.
*/
- if (dir == CAM_DIR_UNKNOWN)
+ if (dir == DMA_BIDIRECTIONAL)
cp->phys.head.savep = cpu_to_scr(SCRIPTB_BA(np, data_io));
#endif
}
}
OUTB(np, nc_gpreg, *gpreg);
+ INB(np, nc_mbox1);
udelay(5);
}
static void T93C46_Clk(struct sym_device *np, u_char *gpreg)
{
OUTB(np, nc_gpreg, *gpreg | 0x04);
+ INB(np, nc_mbox1);
udelay(2);
OUTB(np, nc_gpreg, *gpreg);
}
*gpreg |= 0x10;
OUTB(np, nc_gpreg, *gpreg);
+ INB(np, nc_mbox1);
udelay(2);
T93C46_Clk(np, gpreg);
{
*gpreg &= 0xef;
OUTB(np, nc_gpreg, *gpreg);
+ INB(np, nc_mbox1);
udelay(2);
T93C46_Clk(np, gpreg);
return SYM_PARISC_PDC;
}
#else
-static int sym_read_parisc_pdc(struct sym_device *np, struct pdc_initiator *x)
+static inline int sym_read_parisc_pdc(struct sym_device *np,
+ struct pdc_initiator *x)
{
return 0;
}
Code Review / linux-2.6.git / commitdiff