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;
}
*/
int sym_setup_data_and_start(struct sym_hcb *np, struct scsi_cmnd *cmd, struct sym_ccb *cp)
{
- int dir;
struct sym_tcb *tp = &np->target[cp->target];
struct sym_lcb *lp = sym_lp(tp, cp->lun);
+ u32 lastp, goalp;
+ int dir;
/*
* Build the CDB.
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;
}
+
+ /*
+ * No segments means no data.
+ */
+ if (!cp->segments)
+ dir = DMA_NONE;
} else {
cp->data_len = 0;
cp->segments = 0;
}
/*
- * Set data pointers.
+ * Set the data pointer.
*/
- sym_setup_data_pointers(np, cp, dir);
+ switch (dir) {
+ case DMA_BIDIRECTIONAL:
+ printk("%s: got DMA_BIDIRECTIONAL command", sym_name(np));
+ sym_set_cam_status(cmd, DID_ERROR);
+ goto out_abort;
+ case DMA_TO_DEVICE:
+ goalp = SCRIPTA_BA(np, data_out2) + 8;
+ lastp = goalp - 8 - (cp->segments * (2*4));
+ break;
+ 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 DMA_NONE:
+ default:
+ lastp = goalp = SCRIPTB_BA(np, no_data);
+ break;
+ }
+
+ /*
+ * Set all pointers values needed by SCRIPTS.
+ */
+ cp->phys.head.lastp = cpu_to_scr(lastp);
+ cp->phys.head.savep = cpu_to_scr(lastp);
+ cp->startp = cp->phys.head.savep;
+ cp->goalp = cpu_to_scr(goalp);
/*
* When `#ifed 1', the code below makes the driver
/*
* activate this job.
*/
- if (lp)
- sym_start_next_ccbs(np, lp, 2);
- else
- sym_put_start_queue(np, cp);
+ sym_start_next_ccbs(np, lp, 2);
return 0;
out_abort:
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) {
*/
static int sym53c8xx_eh_abort_handler(struct scsi_cmnd *cmd)
{
- return sym_eh_handler(SYM_EH_ABORT, "ABORT", cmd);
+ int rc;
+
+ spin_lock_irq(cmd->device->host->host_lock);
+ rc = sym_eh_handler(SYM_EH_ABORT, "ABORT", cmd);
+ spin_unlock_irq(cmd->device->host->host_lock);
+
+ return rc;
}
static int sym53c8xx_eh_device_reset_handler(struct scsi_cmnd *cmd)
{
- return sym_eh_handler(SYM_EH_DEVICE_RESET, "DEVICE RESET", cmd);
+ int rc;
+
+ spin_lock_irq(cmd->device->host->host_lock);
+ rc = sym_eh_handler(SYM_EH_DEVICE_RESET, "DEVICE RESET", cmd);
+ spin_unlock_irq(cmd->device->host->host_lock);
+
+ return rc;
}
static int sym53c8xx_eh_bus_reset_handler(struct scsi_cmnd *cmd)
{
- return sym_eh_handler(SYM_EH_BUS_RESET, "BUS RESET", cmd);
+ int rc;
+
+ spin_lock_irq(cmd->device->host->host_lock);
+ rc = sym_eh_handler(SYM_EH_BUS_RESET, "BUS RESET", cmd);
+ spin_unlock_irq(cmd->device->host->host_lock);
+
+ return rc;
}
static int sym53c8xx_eh_host_reset_handler(struct scsi_cmnd *cmd)
{
- return sym_eh_handler(SYM_EH_HOST_RESET, "HOST RESET", cmd);
+ int rc;
+
+ spin_lock_irq(cmd->device->host->host_lock);
+ rc = sym_eh_handler(SYM_EH_HOST_RESET, "HOST RESET", cmd);
+ spin_unlock_irq(cmd->device->host->host_lock);
+
+ return rc;
}
/*
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 = sym_get_hcb(sdev->host);
+ struct sym_tcb *tp = &np->target[sdev->id];
+ struct sym_lcb *lp;
- 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;
+ /*
+ * 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;
+ }
+
+ lp = sym_alloc_lcb(np, sdev->id, sdev->lun);
+ if (!lp)
+ return -ENOMEM;
+
+ tp->starget = sdev->sdev_target;
+ return 0;
}
/*
* Linux entry point for device queue sizing.
*/
-static int sym53c8xx_slave_configure(struct scsi_device *device)
+static int sym53c8xx_slave_configure(struct scsi_device *sdev)
{
- struct sym_hcb *np = sym_get_hcb(device->host);
- struct sym_tcb *tp = &np->target[device->id];
- struct sym_lcb *lp;
+ struct sym_hcb *np = sym_get_hcb(sdev->host);
+ struct sym_tcb *tp = &np->target[sdev->id];
+ struct sym_lcb *lp = sym_lp(tp, sdev->lun);
int reqtags, depth_to_use;
- /*
- * Allocate the LCB if not yet.
- * If it fail, we may well be in the sh*t. :)
- */
- lp = sym_alloc_lcb(np, device->id, device->lun);
- if (!lp)
- return -ENOMEM;
-
/*
* Get user flags.
*/
* Use at least 2.
* Donnot use more than our maximum.
*/
- reqtags = device_queue_depth(np, device->id, device->lun);
+ reqtags = device_queue_depth(np, sdev->id, sdev->lun);
if (reqtags > tp->usrtags)
reqtags = tp->usrtags;
- if (!device->tagged_supported)
+ if (!sdev->tagged_supported)
reqtags = 0;
#if 1 /* Avoid to locally queue commands for no good reasons */
if (reqtags > SYM_CONF_MAX_TAG)
#else
depth_to_use = (reqtags ? SYM_CONF_MAX_TAG : 2);
#endif
- scsi_adjust_queue_depth(device,
- (device->tagged_supported ?
+ scsi_adjust_queue_depth(sdev,
+ (sdev->tagged_supported ?
MSG_SIMPLE_TAG : 0),
depth_to_use);
lp->s.scdev_depth = depth_to_use;
- sym_tune_dev_queuing(tp, device->lun, reqtags);
+ sym_tune_dev_queuing(tp, sdev->lun, reqtags);
- if (!spi_initial_dv(device->sdev_target))
- spi_dv_device(device);
+ if (!spi_initial_dv(sdev->sdev_target))
+ spi_dv_device(sdev);
return 0;
}
+static void sym53c8xx_slave_destroy(struct scsi_device *sdev)
+{
+ struct sym_hcb *np = sym_get_hcb(sdev->host);
+ struct sym_lcb *lp = sym_lp(&np->target[sdev->id], sdev->lun);
+
+ if (lp->itlq_tbl)
+ sym_mfree_dma(lp->itlq_tbl, SYM_CONF_MAX_TASK * 4, "ITLQ_TBL");
+ kfree(lp->cb_tags);
+ sym_mfree_dma(lp, sizeof(*lp), "LCB");
+}
+
/*
* Linux entry point for info() function
*/
*/
printk("%s: resetting chip\n", sym_name(np));
OUTB(np, nc_istat, SRST);
+ INB(np, nc_mbox1);
udelay(10);
OUTB(np, nc_istat, 0);
tp->tgoal.check_nego = 1;
}
+#if 0
static void sym2_set_iu(struct scsi_target *starget, int iu)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
tp->tgoal.qas = 0;
tp->tgoal.check_nego = 1;
}
-
+#endif
static struct spi_function_template sym2_transport_functions = {
.set_offset = sym2_set_offset,
.show_width = 1,
.set_dt = sym2_set_dt,
.show_dt = 1,
+#if 0
.set_iu = sym2_set_iu,
.show_iu = 1,
.set_qas = sym2_set_qas,
.show_qas = 1,
+#endif
.get_signalling = sym2_get_signalling,
};
projects / linux-2.6 / blobdiff