#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_dbg.h>
+#include <scsi/scsi_eh.h>
#define DRV_NAME "stex"
-#define ST_DRIVER_VERSION "3.1.0.1"
+#define ST_DRIVER_VERSION "3.6.0000.1"
#define ST_VER_MAJOR 3
-#define ST_VER_MINOR 1
+#define ST_VER_MINOR 6
#define ST_OEM 0
#define ST_BUILD_VER 1
SG_CF_64B = 0x40, /* 64 bit item */
SG_CF_HOST = 0x20, /* sg in host memory */
- ST_MAX_ARRAY_SUPPORTED = 16,
- ST_MAX_TARGET_NUM = (ST_MAX_ARRAY_SUPPORTED+1),
- ST_MAX_LUN_PER_TARGET = 16,
-
st_shasta = 0,
st_vsc = 1,
st_vsc1 = 2,
return status;
}
-static void stex_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq)
-{
- cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
-
- cmd->sense_buffer[0] = 0x70; /* fixed format, current */
- cmd->sense_buffer[2] = sk;
- cmd->sense_buffer[7] = 18 - 8; /* additional sense length */
- cmd->sense_buffer[12] = asc;
- cmd->sense_buffer[13] = ascq;
-}
-
static void stex_invalid_field(struct scsi_cmnd *cmd,
void (*done)(struct scsi_cmnd *))
{
+ cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
+
/* "Invalid field in cbd" */
- stex_set_sense(cmd, ILLEGAL_REQUEST, 0x24, 0x0);
+ scsi_build_sense_buffer(0, cmd->sense_buffer, ILLEGAL_REQUEST, 0x24,
+ 0x0);
done(cmd);
}
static int stex_map_sg(struct st_hba *hba,
struct req_msg *req, struct st_ccb *ccb)
{
- struct pci_dev *pdev = hba->pdev;
struct scsi_cmnd *cmd;
- dma_addr_t dma_handle;
- struct scatterlist *src;
+ struct scatterlist *sg;
struct st_sgtable *dst;
- int i;
+ int i, nseg;
cmd = ccb->cmd;
dst = (struct st_sgtable *)req->variable;
dst->max_sg_count = cpu_to_le16(ST_MAX_SG);
- dst->sz_in_byte = cpu_to_le32(cmd->request_bufflen);
-
- if (cmd->use_sg) {
- int n_elem;
-
- src = (struct scatterlist *) cmd->request_buffer;
- n_elem = pci_map_sg(pdev, src,
- cmd->use_sg, cmd->sc_data_direction);
- if (n_elem <= 0)
- return -EIO;
+ dst->sz_in_byte = cpu_to_le32(scsi_bufflen(cmd));
- ccb->sg_count = n_elem;
- dst->sg_count = cpu_to_le16((u16)n_elem);
+ nseg = scsi_dma_map(cmd);
+ if (nseg < 0)
+ return -EIO;
+ if (nseg) {
+ ccb->sg_count = nseg;
+ dst->sg_count = cpu_to_le16((u16)nseg);
- for (i = 0; i < n_elem; i++, src++) {
- dst->table[i].count = cpu_to_le32((u32)sg_dma_len(src));
+ scsi_for_each_sg(cmd, sg, nseg, i) {
+ dst->table[i].count = cpu_to_le32((u32)sg_dma_len(sg));
dst->table[i].addr =
- cpu_to_le32(sg_dma_address(src) & 0xffffffff);
+ cpu_to_le32(sg_dma_address(sg) & 0xffffffff);
dst->table[i].addr_hi =
- cpu_to_le32((sg_dma_address(src) >> 16) >> 16);
+ cpu_to_le32((sg_dma_address(sg) >> 16) >> 16);
dst->table[i].ctrl = SG_CF_64B | SG_CF_HOST;
}
dst->table[--i].ctrl |= SG_CF_EOT;
- return 0;
}
- dma_handle = pci_map_single(pdev, cmd->request_buffer,
- cmd->request_bufflen, cmd->sc_data_direction);
- cmd->SCp.dma_handle = dma_handle;
-
- ccb->sg_count = 1;
- dst->sg_count = cpu_to_le16(1);
- dst->table[0].addr = cpu_to_le32(dma_handle & 0xffffffff);
- dst->table[0].addr_hi = cpu_to_le32((dma_handle >> 16) >> 16);
- dst->table[0].count = cpu_to_le32((u32)cmd->request_bufflen);
- dst->table[0].ctrl = SG_CF_EOT | SG_CF_64B | SG_CF_HOST;
-
return 0;
}
-static void stex_internal_copy(struct scsi_cmnd *cmd,
- const void *src, size_t *count, int sg_count, int direction)
-{
- size_t lcount;
- size_t len;
- void *s, *d, *base = NULL;
- if (*count > cmd->request_bufflen)
- *count = cmd->request_bufflen;
- lcount = *count;
- while (lcount) {
- len = lcount;
- s = (void *)src;
- if (cmd->use_sg) {
- size_t offset = *count - lcount;
- s += offset;
- base = scsi_kmap_atomic_sg(cmd->request_buffer,
- sg_count, &offset, &len);
- if (base == NULL) {
- *count -= lcount;
- return;
- }
- d = base + offset;
- } else
- d = cmd->request_buffer;
-
- if (direction == ST_TO_CMD)
- memcpy(d, s, len);
- else
- memcpy(s, d, len);
-
- lcount -= len;
- if (cmd->use_sg)
- scsi_kunmap_atomic_sg(base);
- }
-}
-
-static int stex_direct_copy(struct scsi_cmnd *cmd,
- const void *src, size_t count)
-{
- struct st_hba *hba = (struct st_hba *) &cmd->device->host->hostdata[0];
- size_t cp_len = count;
- int n_elem = 0;
-
- if (cmd->use_sg) {
- n_elem = pci_map_sg(hba->pdev, cmd->request_buffer,
- cmd->use_sg, cmd->sc_data_direction);
- if (n_elem <= 0)
- return 0;
- }
-
- stex_internal_copy(cmd, src, &cp_len, n_elem, ST_TO_CMD);
-
- if (cmd->use_sg)
- pci_unmap_sg(hba->pdev, cmd->request_buffer,
- cmd->use_sg, cmd->sc_data_direction);
- return cp_len == count;
-}
-
static void stex_controller_info(struct st_hba *hba, struct st_ccb *ccb)
{
struct st_frame *p;
size_t count = sizeof(struct st_frame);
p = hba->copy_buffer;
- stex_internal_copy(ccb->cmd, p, &count, ccb->sg_count, ST_FROM_CMD);
+ count = scsi_sg_copy_to_buffer(ccb->cmd, p, count);
memset(p->base, 0, sizeof(u32)*6);
*(unsigned long *)(p->base) = pci_resource_start(hba->pdev, 0);
p->rom_addr = 0;
p->subid =
hba->pdev->subsystem_vendor << 16 | hba->pdev->subsystem_device;
- stex_internal_copy(ccb->cmd, p, &count, ccb->sg_count, ST_TO_CMD);
+ count = scsi_sg_copy_from_buffer(ccb->cmd, p, count);
}
static void
/* Cheat: usually extracted from Inquiry data */
sdev->tagged_supported = 1;
- scsi_activate_tcq(sdev, sdev->host->can_queue);
+ scsi_activate_tcq(sdev, ST_CMD_PER_LUN);
return 0;
}
u16 tag;
host = cmd->device->host;
id = cmd->device->id;
- lun = cmd->device->channel; /* firmware lun issue work around */
+ lun = cmd->device->lun;
hba = (struct st_hba *) &host->hostdata[0];
switch (cmd->cmnd[0]) {
unsigned char page;
page = cmd->cmnd[2] & 0x3f;
if (page == 0x8 || page == 0x3f) {
- stex_direct_copy(cmd, ms10_caching_page,
- sizeof(ms10_caching_page));
+ scsi_sg_copy_from_buffer(cmd, ms10_caching_page,
+ sizeof(ms10_caching_page));
cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
done(cmd);
} else
stex_invalid_field(cmd, done);
return 0;
}
+ case REPORT_LUNS:
+ /*
+ * The shasta firmware does not report actual luns in the
+ * target, so fail the command to force sequential lun scan.
+ * Also, the console device does not support this command.
+ */
+ if (hba->cardtype == st_shasta || id == host->max_id - 1) {
+ stex_invalid_field(cmd, done);
+ return 0;
+ }
+ break;
+ case TEST_UNIT_READY:
+ if (id == host->max_id - 1) {
+ cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+ done(cmd);
+ return 0;
+ }
+ break;
case INQUIRY:
- if (id != ST_MAX_ARRAY_SUPPORTED)
+ if (id != host->max_id - 1)
break;
if (lun == 0 && (cmd->cmnd[1] & INQUIRY_EVPD) == 0) {
- stex_direct_copy(cmd, console_inq_page,
- sizeof(console_inq_page));
+ scsi_sg_copy_from_buffer(cmd, (void *)console_inq_page,
+ sizeof(console_inq_page));
cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
done(cmd);
} else
case PASSTHRU_CMD:
if (cmd->cmnd[1] == PASSTHRU_GET_DRVVER) {
struct st_drvver ver;
+ size_t cp_len = sizeof(ver);
ver.major = ST_VER_MAJOR;
ver.minor = ST_VER_MINOR;
ver.oem = ST_OEM;
ver.build = ST_BUILD_VER;
ver.signature[0] = PASSTHRU_SIGNATURE;
- ver.console_id = ST_MAX_ARRAY_SUPPORTED;
+ ver.console_id = host->max_id - 1;
ver.host_no = hba->host->host_no;
- cmd->result = stex_direct_copy(cmd, &ver, sizeof(ver)) ?
+ cp_len = scsi_sg_copy_from_buffer(cmd, &ver, cp_len);
+ cmd->result = sizeof(ver) == cp_len ?
DID_OK << 16 | COMMAND_COMPLETE << 8 :
DID_ERROR << 16 | COMMAND_COMPLETE << 8;
done(cmd);
req = stex_alloc_req(hba);
- if (hba->cardtype == st_yosemite) {
- req->lun = lun * (ST_MAX_TARGET_NUM - 1) + id;
- req->target = 0;
- } else {
- req->lun = lun;
- req->target = id;
- }
+ req->lun = lun;
+ req->target = id;
/* cdb */
memcpy(req->cdb, cmd->cmnd, STEX_CDB_LENGTH);
return 0;
}
-static void stex_unmap_sg(struct st_hba *hba, struct scsi_cmnd *cmd)
-{
- if (cmd->sc_data_direction != DMA_NONE) {
- if (cmd->use_sg)
- pci_unmap_sg(hba->pdev, cmd->request_buffer,
- cmd->use_sg, cmd->sc_data_direction);
- else
- pci_unmap_single(hba->pdev, cmd->SCp.dma_handle,
- cmd->request_bufflen, cmd->sc_data_direction);
- }
-}
-
static void stex_scsi_done(struct st_ccb *ccb)
{
struct scsi_cmnd *cmd = ccb->cmd;
if (ccb->cmd == NULL)
return;
- stex_internal_copy(ccb->cmd,
- resp->variable, &count, ccb->sg_count, ST_TO_CMD);
+ count = scsi_sg_copy_from_buffer(ccb->cmd, resp->variable, count);
}
static void stex_ys_commands(struct st_hba *hba,
struct st_ccb *ccb, struct status_msg *resp)
{
- size_t count;
-
if (ccb->cmd->cmnd[0] == MGT_CMD &&
resp->scsi_status != SAM_STAT_CHECK_CONDITION) {
- ccb->cmd->request_bufflen =
- le32_to_cpu(*(__le32 *)&resp->variable[0]);
+ scsi_set_resid(ccb->cmd, scsi_bufflen(ccb->cmd) -
+ le32_to_cpu(*(__le32 *)&resp->variable[0]));
return;
}
resp->scsi_status == SAM_STAT_GOOD) {
ST_INQ *inq_data;
- count = STEX_EXTRA_SIZE;
- stex_internal_copy(ccb->cmd, hba->copy_buffer,
- &count, ccb->sg_count, ST_FROM_CMD);
+ scsi_sg_copy_to_buffer(ccb->cmd, hba->copy_buffer,
+ STEX_EXTRA_SIZE);
inq_data = (ST_INQ *)hba->copy_buffer;
if (inq_data->DeviceTypeQualifier != 0)
ccb->srb_status = SRB_STATUS_SELECTION_TIMEOUT;
else
ccb->srb_status = SRB_STATUS_SUCCESS;
- } else if (ccb->cmd->cmnd[0] == REPORT_LUNS) {
- u8 *report_lun_data = (u8 *)hba->copy_buffer;
-
- count = STEX_EXTRA_SIZE;
- stex_internal_copy(ccb->cmd, report_lun_data,
- &count, ccb->sg_count, ST_FROM_CMD);
- if (report_lun_data[2] || report_lun_data[3]) {
- report_lun_data[2] = 0x00;
- report_lun_data[3] = 0x08;
- stex_internal_copy(ccb->cmd, report_lun_data,
- &count, ccb->sg_count, ST_TO_CMD);
- }
}
}
ccb->cmd->cmnd[1] == PASSTHRU_GET_ADAPTER))
stex_controller_info(hba, ccb);
- stex_unmap_sg(hba, ccb->cmd);
+ scsi_dma_unmap(ccb->cmd);
stex_scsi_done(ccb);
hba->out_req_cnt--;
} else if (ccb->req_type & PASSTHRU_REQ_TYPE) {
u32 data;
int result = SUCCESS;
unsigned long flags;
+
+ printk(KERN_INFO DRV_NAME
+ "(%s): aborting command\n", pci_name(hba->pdev));
+ scsi_print_command(cmd);
+
base = hba->mmio_base;
spin_lock_irqsave(host->host_lock, flags);
if (tag < host->can_queue && hba->ccb[tag].cmd == cmd)
}
fail_out:
- stex_unmap_sg(hba, cmd);
+ scsi_dma_unmap(cmd);
hba->wait_ccb->req = NULL; /* nullify the req's future return */
hba->wait_ccb = NULL;
result = FAILED;
pci_read_config_byte(bus->self, PCI_BRIDGE_CONTROL, &pci_bctl);
pci_bctl |= PCI_BRIDGE_CTL_BUS_RESET;
pci_write_config_byte(bus->self, PCI_BRIDGE_CONTROL, pci_bctl);
- msleep(1);
+
+ /*
+ * 1 ms may be enough for 8-port controllers. But 16-port controllers
+ * require more time to finish bus reset. Use 100 ms here for safety
+ */
+ msleep(100);
pci_bctl &= ~PCI_BRIDGE_CTL_BUS_RESET;
pci_write_config_byte(bus->self, PCI_BRIDGE_CONTROL, pci_bctl);
unsigned long before;
hba = (struct st_hba *) &cmd->device->host->hostdata[0];
+ printk(KERN_INFO DRV_NAME
+ "(%s): resetting host\n", pci_name(hba->pdev));
+ scsi_print_command(cmd);
+
hba->mu_status = MU_STATE_RESETTING;
if (hba->cardtype == st_shasta)
goto out_scsi_host_put;
}
- hba->mmio_base = ioremap(pci_resource_start(pdev, 0),
+ hba->mmio_base = ioremap_nocache(pci_resource_start(pdev, 0),
pci_resource_len(pdev, 0));
if ( !hba->mmio_base) {
printk(KERN_ERR DRV_NAME "(%s): memory map failed\n",
hba->copy_buffer = hba->dma_mem + MU_BUFFER_SIZE;
hba->mu_status = MU_STATE_STARTING;
- /* firmware uses id/lun pair for a logical drive, but lun would be
- always 0 if CONFIG_SCSI_MULTI_LUN not configured, so we use
- channel to map lun here */
- host->max_channel = ST_MAX_LUN_PER_TARGET - 1;
- host->max_id = ST_MAX_TARGET_NUM;
- host->max_lun = 1;
+ if (hba->cardtype == st_shasta) {
+ host->max_lun = 8;
+ host->max_id = 16 + 1;
+ } else if (hba->cardtype == st_yosemite) {
+ host->max_lun = 128;
+ host->max_id = 1 + 1;
+ } else {
+ /* st_vsc and st_vsc1 */
+ host->max_lun = 1;
+ host->max_id = 128 + 1;
+ }
+ host->max_channel = 0;
host->unique_id = host->host_no;
host->max_cmd_len = STEX_CDB_LENGTH;