/*
* Adaptec AAC series RAID controller driver
- * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
+ * (c) Copyright 2001 Red Hat Inc.
*
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/blkdev.h>
-#include <asm/semaphore.h>
#include <asm/uaccess.h>
#include <linux/highmem.h> /* For flush_kernel_dcache_page */
*/
static int nondasd = -1;
-static int aac_cache;
+static int aac_cache = 2; /* WCE=0 to avoid performance problems */
static int dacmode = -1;
int aac_msi;
int aac_commit = -1;
MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
"\tbit 0 - Disable FUA in WRITE SCSI commands\n"
"\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
- "\tbit 2 - Disable only if Battery not protecting Cache");
+ "\tbit 2 - Disable only if Battery is protecting Cache");
module_param(dacmode, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
" 0=off, 1=on");
int aac_check_reset = 1;
module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the"
+MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
" adapter. a value of -1 forces the reset to adapters programmed to"
" ignore it.");
module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
+int aac_wwn = 1;
+module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
+ "\t0 - Disable\n"
+ "\t1 - Array Meta Data Signature (default)\n"
+ "\t2 - Adapter Serial Number");
+
+
static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
struct fib *fibptr) {
struct scsi_device *device;
return status;
}
-static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
-{
- void *buf;
- int transfer_len;
- struct scatterlist *sg = scsi_sglist(scsicmd);
-
- buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
- transfer_len = min(sg->length, len + offset);
-
- transfer_len -= offset;
- if (buf && transfer_len > 0)
- memcpy(buf + offset, data, transfer_len);
-
- flush_kernel_dcache_page(kmap_atomic_to_page(buf - sg->offset));
- kunmap_atomic(buf - sg->offset, KM_IRQ0);
-
-}
-
static void get_container_name_callback(void *context, struct fib * fibptr)
{
struct aac_get_name_resp * get_name_reply;
while (*sp == ' ')
++sp;
if (*sp) {
+ struct inquiry_data inq;
char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
int count = sizeof(d);
char *dp = d;
do {
*dp++ = (*sp) ? *sp++ : ' ';
} while (--count > 0);
- aac_internal_transfer(scsicmd, d,
- offsetof(struct inquiry_data, inqd_pid), sizeof(d));
+
+ scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
+ memcpy(inq.inqd_pid, d, sizeof(d));
+ scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
}
}
(le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
(le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
fsa_dev_ptr->valid = 1;
+ /* sense_key holds the current state of the spin-up */
+ if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
+ fsa_dev_ptr->sense_data.sense_key = NOT_READY;
+ else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
+ fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
fsa_dev_ptr->size
= ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
sp[2] = 0;
sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
le32_to_cpu(get_serial_reply->uid));
- aac_internal_transfer(scsicmd, sp, 0, sizeof(sp));
+ scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
}
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
srbcmd->id = cpu_to_le32(scmd_id(cmd));
srbcmd->lun = cpu_to_le32(cmd->device->lun);
srbcmd->flags = cpu_to_le32(flag);
- timeout = cmd->timeout_per_command/HZ;
+ timeout = cmd->request->timeout/HZ;
if (timeout == 0)
timeout = 1;
srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
{
- if ((sizeof(dma_addr_t) > 4) &&
- (num_physpages > (0xFFFFFFFFULL >> PAGE_SHIFT)) &&
- (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
+ if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
+ (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
return FAILED;
return aac_scsi_32(fib, cmd);
}
tmp>>24,(tmp>>16)&0xff,tmp&0xff,
le32_to_cpu(dev->adapter_info.biosbuild));
buffer[0] = '\0';
- if (aac_show_serial_number(
+ if (aac_get_serial_number(
shost_to_class(dev->scsi_host_ptr), buffer))
printk(KERN_INFO "%s%d: serial %s",
dev->name, dev->id, buffer);
if (dev->nondasd_support && !dev->in_reset)
printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
+ if (dma_get_required_mask(&dev->pdev->dev) > DMA_32BIT_MASK)
+ dev->needs_dac = 1;
dev->dac_support = 0;
- if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
+ if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
+ (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
if (!dev->in_reset)
printk(KERN_INFO "%s%d: 64bit support enabled.\n",
dev->name, dev->id);
if(dacmode != -1) {
dev->dac_support = (dacmode!=0);
}
+
+ /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
+ if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
+ & AAC_QUIRK_SCSI_32)) {
+ dev->nondasd_support = 0;
+ dev->jbod = 0;
+ expose_physicals = 0;
+ }
+
if(dev->dac_support != 0) {
- if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
- !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
+ !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
if (!dev->in_reset)
printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
dev->name, dev->id);
scsi_dma_unmap(scsicmd);
readreply = (struct aac_read_reply *)fib_data(fibptr);
- if (le32_to_cpu(readreply->status) == ST_OK)
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
- else {
+ switch (le32_to_cpu(readreply->status)) {
+ case ST_OK:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_GOOD;
+ dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
+ break;
+ case ST_NOT_READY:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
+ SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
+ memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ break;
+ default:
#ifdef AAC_DETAILED_STATUS_INFO
printk(KERN_WARNING "io_callback: io failed, status = %d\n",
le32_to_cpu(readreply->status));
#endif
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
set_sense(&dev->fsa_dev[cid].sense_data,
HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
SCSI_SENSE_BUFFERSIZE));
+ break;
}
aac_fib_complete(fibptr);
aac_fib_free(fibptr);
return SCSI_MLQUEUE_HOST_BUSY;
}
+static void aac_start_stop_callback(void *context, struct fib *fibptr)
+{
+ struct scsi_cmnd *scsicmd = context;
+
+ if (!aac_valid_context(scsicmd, fibptr))
+ return;
+
+ BUG_ON(fibptr == NULL);
+
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ scsicmd->scsi_done(scsicmd);
+}
+
+static int aac_start_stop(struct scsi_cmnd *scsicmd)
+{
+ int status;
+ struct fib *cmd_fibcontext;
+ struct aac_power_management *pmcmd;
+ struct scsi_device *sdev = scsicmd->device;
+ struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
+
+ if (!(aac->supplement_adapter_info.SupportedOptions2 &
+ AAC_OPTION_POWER_MANAGEMENT)) {
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_GOOD;
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+
+ if (aac->in_reset)
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ /*
+ * Allocate and initialize a Fib
+ */
+ cmd_fibcontext = aac_fib_alloc(aac);
+ if (!cmd_fibcontext)
+ return SCSI_MLQUEUE_HOST_BUSY;
+
+ aac_fib_init(cmd_fibcontext);
+
+ pmcmd = fib_data(cmd_fibcontext);
+ pmcmd->command = cpu_to_le32(VM_ContainerConfig);
+ pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
+ /* Eject bit ignored, not relevant */
+ pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
+ cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
+ pmcmd->cid = cpu_to_le32(sdev_id(sdev));
+ pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
+ cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
+
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = aac_fib_send(ContainerCommand,
+ cmd_fibcontext,
+ sizeof(struct aac_power_management),
+ FsaNormal,
+ 0, 1,
+ (fib_callback)aac_start_stop_callback,
+ (void *)scsicmd);
+
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
+ return 0;
+ }
+
+ aac_fib_complete(cmd_fibcontext);
+ aac_fib_free(cmd_fibcontext);
+ return SCSI_MLQUEUE_HOST_BUSY;
+}
+
/**
* aac_scsi_cmd() - Process SCSI command
* @scsicmd: SCSI command block
* If the target container doesn't exist, it may have
* been newly created
*/
- if ((fsa_dev_ptr[cid].valid & 1) == 0) {
+ if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
+ (fsa_dev_ptr[cid].sense_data.sense_key ==
+ NOT_READY)) {
switch (scsicmd->cmnd[0]) {
case SERVICE_ACTION_IN:
if (!(dev->raw_io_interface) ||
dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
memset(&inq_data, 0, sizeof (struct inquiry_data));
- if (scsicmd->cmnd[1] & 0x1) {
+ if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
char *arr = (char *)&inq_data;
/* EVPD bit set */
arr[4] = 0x0;
arr[5] = 0x80;
arr[1] = scsicmd->cmnd[2];
- aac_internal_transfer(scsicmd, &inq_data, 0,
- sizeof(inq_data));
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+ sizeof(inq_data));
scsicmd->result = DID_OK << 16 |
COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
} else if (scsicmd->cmnd[2] == 0x80) {
arr[3] = setinqserial(dev, &arr[4],
scmd_id(scsicmd));
arr[1] = scsicmd->cmnd[2];
- aac_internal_transfer(scsicmd, &inq_data, 0,
- sizeof(inq_data));
- return aac_get_container_serial(scsicmd);
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+ sizeof(inq_data));
+ if (aac_wwn != 2)
+ return aac_get_container_serial(
+ scsicmd);
+ /* SLES 10 SP1 special */
+ scsicmd->result = DID_OK << 16 |
+ COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
} else {
/* vpd page not implemented */
scsicmd->result = DID_OK << 16 |
if (cid == host->this_id) {
setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
- aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+ sizeof(inq_data));
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
return 0;
return -1;
setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
- aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
return aac_get_container_name(scsicmd);
}
case SERVICE_ACTION_IN:
+ (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
alloc_len = min_t(size_t, alloc_len, sizeof(cp));
- aac_internal_transfer(scsicmd, cp, 0, alloc_len);
-
+ scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
if (alloc_len < scsi_bufflen(scsicmd))
scsi_set_resid(scsicmd,
scsi_bufflen(scsicmd) - alloc_len);
cp[5] = 0;
cp[6] = 2;
cp[7] = 0;
- aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
+ scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
/* Do not cache partition table for arrays */
scsicmd->device->removable = 1;
-
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
return 0;
if (mode_buf_length > scsicmd->cmnd[4])
mode_buf_length = scsicmd->cmnd[4];
}
- aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
+ scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
if (mode_buf_length > scsicmd->cmnd[8])
mode_buf_length = scsicmd->cmnd[8];
}
- aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
+ scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
* These commands are all No-Ops
*/
case TEST_UNIT_READY:
+ if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data,
+ NOT_READY, SENCODE_BECOMING_READY,
+ ASENCODE_BECOMING_READY, 0, 0);
+ memcpy(scsicmd->sense_buffer,
+ &dev->fsa_dev[cid].sense_data,
+ min_t(size_t,
+ sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ scsicmd->scsi_done(scsicmd);
+ return 0;
+ }
+ /* FALLTHRU */
case RESERVE:
case RELEASE:
case REZERO_UNIT:
case REASSIGN_BLOCKS:
case SEEK_10:
- case START_STOP:
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
return 0;
+
+ case START_STOP:
+ return aac_start_stop(scsicmd);
}
switch (scsicmd->cmnd[0])
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