static int nondasd = -1;
static int dacmode = -1;
-static int commit = -1;
+int aac_commit = -1;
int startup_timeout = 180;
int aif_timeout = 120;
MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
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");
-module_param(commit, int, S_IRUGO|S_IWUSR);
+module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on");
module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for adapter to have it's kernel up and\nrunning. This is typically adjusted for large systems that do not have a BIOS.");
module_param(acbsize, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware.");
+int update_interval = 30 * 60;
+module_param(update_interval, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync updates issued to adapter.");
+
+int check_interval = 24 * 60 * 60;
+module_param(check_interval, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health checks.");
+
+int check_reset = 1;
+module_param(check_reset, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the adapter.");
+
int expose_physicals = -1;
module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
+int aac_reset_devices = 0;
+module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
struct fib *fibptr) {
aac_fib_complete(fibptr);
/* Send a CT_COMMIT_CONFIG to enable discovery of devices */
if (status >= 0) {
- if ((commit == 1) || commit_flag) {
+ if ((aac_commit == 1) || commit_flag) {
struct aac_commit_config * dinfo;
aac_fib_init(fibptr);
dinfo = (struct aac_commit_config *) fib_data(fibptr);
1, 1,
NULL, NULL);
aac_fib_complete(fibptr);
- } else if (commit == 0) {
+ } else if (aac_commit == 0) {
printk(KERN_WARNING
"aac_get_config_status: Foreign device configurations are being ignored\n");
}
if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
- fsa_dev_ptr = kmalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
+ fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
GFP_KERNEL);
if (!fsa_dev_ptr)
return -ENOMEM;
- memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
dev->fsa_dev = fsa_dev_ptr;
dev->maximum_num_containers = maximum_num_containers;
static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
{
void *buf;
- unsigned int transfer_len;
- struct scatterlist *sg = scsicmd->request_buffer;
+ int transfer_len;
+ struct scatterlist *sg = scsi_sglist(scsicmd);
+
+ buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+ transfer_len = min(sg->length, len + offset);
- if (scsicmd->use_sg) {
- buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
- transfer_len = min(sg->length, len + offset);
- } else {
- buf = scsicmd->request_buffer;
- transfer_len = min(scsicmd->request_bufflen, len + offset);
- }
transfer_len -= offset;
- if (buf && transfer_len)
+ if (buf && transfer_len > 0)
memcpy(buf + offset, data, transfer_len);
- if (scsicmd->use_sg)
- kunmap_atomic(buf - sg->offset, KM_IRQ0);
+ kunmap_atomic(buf - sg->offset, KM_IRQ0);
}
{
struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
- if (fsa_dev_ptr[scmd_id(scsicmd)].valid)
+ if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
return aac_scsi_cmd(scsicmd);
scsicmd->result = DID_NO_CONNECT << 16;
return 0;
}
-static int _aac_probe_container2(void * context, struct fib * fibptr)
+static void _aac_probe_container2(void * context, struct fib * fibptr)
{
struct fsa_dev_info *fsa_dev_ptr;
int (*callback)(struct scsi_cmnd *);
struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
- if (!aac_valid_context(scsicmd, fibptr))
- return 0;
- fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
+ if (!aac_valid_context(scsicmd, fibptr))
+ return;
scsicmd->SCp.Status = 0;
+ fsa_dev_ptr = fibptr->dev->fsa_dev;
if (fsa_dev_ptr) {
struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
fsa_dev_ptr += scmd_id(scsicmd);
aac_fib_free(fibptr);
callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
scsicmd->SCp.ptr = NULL;
- return (*callback)(scsicmd);
+ (*callback)(scsicmd);
+ return;
}
-static int _aac_probe_container1(void * context, struct fib * fibptr)
+static void _aac_probe_container1(void * context, struct fib * fibptr)
{
struct scsi_cmnd * scsicmd;
struct aac_mount * dresp;
dresp = (struct aac_mount *) fib_data(fibptr);
dresp->mnt[0].capacityhigh = 0;
if ((le32_to_cpu(dresp->status) != ST_OK) ||
- (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE))
- return _aac_probe_container2(context, fibptr);
+ (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
+ _aac_probe_container2(context, fibptr);
+ return;
+ }
scsicmd = (struct scsi_cmnd *) context;
- scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
if (!aac_valid_context(scsicmd, fibptr))
- return 0;
+ return;
aac_fib_init(fibptr);
sizeof(struct aac_query_mount),
FsaNormal,
0, 1,
- (fib_callback) _aac_probe_container2,
+ _aac_probe_container2,
(void *) scsicmd);
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS) {
+ if (status == -EINPROGRESS)
scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
- return 0;
- }
- if (status < 0) {
+ else if (status < 0) {
/* Inherit results from VM_NameServe, if any */
dresp->status = cpu_to_le32(ST_OK);
- return _aac_probe_container2(context, fibptr);
+ _aac_probe_container2(context, fibptr);
}
- return 0;
}
static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
sizeof(struct aac_query_mount),
FsaNormal,
0, 1,
- (fib_callback) _aac_probe_container1,
+ _aac_probe_container1,
(void *) scsicmd);
/*
* Check that the command queued to the controller
return -ENOMEM;
}
scsicmd->list.next = NULL;
- scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))_aac_probe_container1;
+ scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
scsicmd->device = scsidev;
scsidev->sdev_state = 0;
readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
readcmd->count = cpu_to_le32(count<<9);
readcmd->cid = cpu_to_le16(scmd_id(cmd));
- readcmd->flags = cpu_to_le16(1);
+ readcmd->flags = cpu_to_le16(IO_TYPE_READ);
readcmd->bpTotal = 0;
readcmd->bpComplete = 0;
(void *) cmd);
}
-static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
{
u16 fibsize;
struct aac_raw_io *writecmd;
writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
writecmd->count = cpu_to_le32(count<<9);
writecmd->cid = cpu_to_le16(scmd_id(cmd));
- writecmd->flags = 0;
+ writecmd->flags = fua ?
+ cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
+ cpu_to_le16(IO_TYPE_WRITE);
writecmd->bpTotal = 0;
writecmd->bpComplete = 0;
(void *) cmd);
}
-static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
{
u16 fibsize;
struct aac_write64 *writecmd;
(void *) cmd);
}
-static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
{
u16 fibsize;
struct aac_write *writecmd;
struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
- srbcmd->count = cpu_to_le32(cmd->request_bufflen);
+ srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
- srbcmd->count = cpu_to_le32(cmd->request_bufflen);
+ srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
}
if (!dev->in_reset) {
+ char buffer[16];
tmp = le32_to_cpu(dev->adapter_info.kernelrev);
printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
dev->name,
dev->name, dev->id,
tmp>>24,(tmp>>16)&0xff,tmp&0xff,
le32_to_cpu(dev->adapter_info.biosbuild));
- if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
- printk(KERN_INFO "%s%d: serial %x\n",
- dev->name, dev->id,
- le32_to_cpu(dev->adapter_info.serial[0]));
+ buffer[0] = '\0';
+ if (aac_show_serial_number(
+ shost_to_class(dev->scsi_host_ptr), buffer))
+ printk(KERN_INFO "%s%d: serial %s",
+ dev->name, dev->id, buffer);
if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
printk(KERN_INFO "%s%d: TSID %.*s\n",
dev->name, dev->id,
(int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
dev->supplement_adapter_info.VpdInfo.Tsid);
}
+ if (!check_reset ||
+ (dev->supplement_adapter_info.SupportedOptions2 &
+ le32_to_cpu(AAC_OPTION_IGNORE_RESET))) {
+ printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
+ dev->name, dev->id);
+ }
}
dev->nondasd_support = 0;
if (!aac_valid_context(scsicmd, fibptr))
return;
- dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+ dev = fibptr->dev;
cid = scmd_id(scsicmd);
if (nblank(dprintk(x))) {
}
BUG_ON(fibptr == NULL);
-
- if(scsicmd->use_sg)
- pci_unmap_sg(dev->pdev,
- (struct scatterlist *)scsicmd->request_buffer,
- scsicmd->use_sg,
- scsicmd->sc_data_direction);
- else if(scsicmd->request_bufflen)
- pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
- scsicmd->request_bufflen,
- scsicmd->sc_data_direction);
+
+ 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;
{
u64 lba;
u32 count;
+ int fua;
int status;
struct aac_dev *dev;
struct fib * cmd_fibcontext;
count = scsicmd->cmnd[4];
if (count == 0)
count = 256;
+ fua = 0;
} else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
(scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
(scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
+ fua = scsicmd->cmnd[1] & 0x8;
} else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
| (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
| (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
+ fua = scsicmd->cmnd[1] & 0x8;
} else {
dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
+ fua = scsicmd->cmnd[1] & 0x8;
}
dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
smp_processor_id(), (unsigned long long)lba, jiffies));
return 0;
}
- status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count);
+ status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
/*
* Check that the command queued to the controller
COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
else {
struct scsi_device *sdev = cmd->device;
- struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+ struct aac_dev *dev = fibptr->dev;
u32 cid = sdev_id(sdev);
printk(KERN_WARNING
"synchronize_callback: synchronize failed, status = %d\n",
int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
{
- u32 cid = 0;
+ u32 cid;
struct Scsi_Host *host = scsicmd->device->host;
struct aac_dev *dev = (struct aac_dev *)host->hostdata;
struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
* Test does not apply to ID 16, the pseudo id for the controller
* itself.
*/
- if (scmd_id(scsicmd) != host->this_id) {
- if ((scmd_channel(scsicmd) == CONTAINER_CHANNEL)) {
- if((scmd_id(scsicmd) >= dev->maximum_num_containers) ||
+ cid = scmd_id(scsicmd);
+ if (cid != host->this_id) {
+ if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
+ if((cid >= dev->maximum_num_containers) ||
(scsicmd->device->lun != 0)) {
scsicmd->result = DID_NO_CONNECT << 16;
scsicmd->scsi_done(scsicmd);
return 0;
}
- cid = scmd_id(scsicmd);
/*
* If the target container doesn't exist, it may have
{
struct inquiry_data inq_data;
- dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scmd_id(scsicmd)));
+ dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
memset(&inq_data, 0, sizeof (struct inquiry_data));
inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
* Set the Vendor, Product, and Revision Level
* see: <vendor>.c i.e. aac.c
*/
- if (scmd_id(scsicmd) == host->this_id) {
+ 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));
case MODE_SENSE:
{
- char mode_buf[4];
+ char mode_buf[7];
+ int mode_buf_length = 4;
dprintk((KERN_DEBUG "MODE SENSE command.\n"));
mode_buf[0] = 3; /* Mode data length */
mode_buf[1] = 0; /* Medium type - default */
- mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
+ mode_buf[2] = 0; /* Device-specific param,
+ bit 8: 0/1 = write enabled/protected
+ bit 4: 0/1 = FUA enabled */
+ if (dev->raw_io_interface)
+ mode_buf[2] = 0x10;
mode_buf[3] = 0; /* Block descriptor length */
-
- aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
+ if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
+ ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
+ mode_buf[0] = 6;
+ mode_buf[4] = 8;
+ mode_buf[5] = 1;
+ mode_buf[6] = 0x04; /* WCE */
+ mode_buf_length = 7;
+ if (mode_buf_length > scsicmd->cmnd[4])
+ mode_buf_length = scsicmd->cmnd[4];
+ }
+ aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
}
case MODE_SENSE_10:
{
- char mode_buf[8];
+ char mode_buf[11];
+ int mode_buf_length = 8;
dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
mode_buf[0] = 0; /* Mode data length (MSB) */
mode_buf[1] = 6; /* Mode data length (LSB) */
mode_buf[2] = 0; /* Medium type - default */
- mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
+ mode_buf[3] = 0; /* Device-specific param,
+ bit 8: 0/1 = write enabled/protected
+ bit 4: 0/1 = FUA enabled */
+ if (dev->raw_io_interface)
+ mode_buf[3] = 0x10;
mode_buf[4] = 0; /* reserved */
mode_buf[5] = 0; /* reserved */
mode_buf[6] = 0; /* Block descriptor length (MSB) */
mode_buf[7] = 0; /* Block descriptor length (LSB) */
- aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
+ if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
+ ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
+ mode_buf[1] = 9;
+ mode_buf[8] = 8;
+ mode_buf[9] = 1;
+ mode_buf[10] = 0x04; /* WCE */
+ mode_buf_length = 11;
+ if (mode_buf_length > scsicmd->cmnd[8])
+ mode_buf_length = scsicmd->cmnd[8];
+ }
+ aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
if (!aac_valid_context(scsicmd, fibptr))
return;
- dev = (struct aac_dev *)scsicmd->device->host->hostdata;
-
BUG_ON(fibptr == NULL);
+ dev = fibptr->dev;
+
srbreply = (struct aac_srb_reply *) fib_data(fibptr);
scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
/*
* Calculate resid for sg
*/
-
- scsicmd->resid = scsicmd->request_bufflen -
- le32_to_cpu(srbreply->data_xfer_length);
-
- if(scsicmd->use_sg)
- pci_unmap_sg(dev->pdev,
- (struct scatterlist *)scsicmd->request_buffer,
- scsicmd->use_sg,
- scsicmd->sc_data_direction);
- else if(scsicmd->request_bufflen)
- pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
- scsicmd->sc_data_direction);
+
+ scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
+ - le32_to_cpu(srbreply->data_xfer_length));
+
+ scsi_dma_unmap(scsicmd);
/*
* First check the fib status
break;
case SRB_STATUS_BUSY:
- scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
+ scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
break;
case SRB_STATUS_BUS_RESET:
{
struct aac_dev *dev;
unsigned long byte_count = 0;
+ int nseg;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
// Get rid of old data
psg->count = 0;
psg->sg[0].addr = 0;
- psg->sg[0].count = 0;
- if (scsicmd->use_sg) {
+ psg->sg[0].count = 0;
+
+ nseg = scsi_dma_map(scsicmd);
+ BUG_ON(nseg < 0);
+ if (nseg) {
struct scatterlist *sg;
int i;
- int sg_count;
- sg = (struct scatterlist *) scsicmd->request_buffer;
- sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
- scsicmd->sc_data_direction);
- psg->count = cpu_to_le32(sg_count);
+ psg->count = cpu_to_le32(nseg);
- for (i = 0; i < sg_count; i++) {
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
byte_count += sg_dma_len(sg);
- sg++;
}
/* hba wants the size to be exact */
- if(byte_count > scsicmd->request_bufflen){
- u32 temp = le32_to_cpu(psg->sg[i-1].count) -
- (byte_count - scsicmd->request_bufflen);
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsi_bufflen(scsicmd));
psg->sg[i-1].count = cpu_to_le32(temp);
- byte_count = scsicmd->request_bufflen;
+ byte_count = scsi_bufflen(scsicmd);
}
/* Check for command underflow */
if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
byte_count, scsicmd->underflow);
}
}
- else if(scsicmd->request_bufflen) {
- u32 addr;
- scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
- scsicmd->request_buffer,
- scsicmd->request_bufflen,
- scsicmd->sc_data_direction);
- addr = scsicmd->SCp.dma_handle;
- psg->count = cpu_to_le32(1);
- psg->sg[0].addr = cpu_to_le32(addr);
- psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
- byte_count = scsicmd->request_bufflen;
- }
return byte_count;
}
struct aac_dev *dev;
unsigned long byte_count = 0;
u64 addr;
+ int nseg;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
// Get rid of old data
psg->sg[0].addr[0] = 0;
psg->sg[0].addr[1] = 0;
psg->sg[0].count = 0;
- if (scsicmd->use_sg) {
+
+ nseg = scsi_dma_map(scsicmd);
+ BUG_ON(nseg < 0);
+ if (nseg) {
struct scatterlist *sg;
int i;
- int sg_count;
- sg = (struct scatterlist *) scsicmd->request_buffer;
-
- sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
- scsicmd->sc_data_direction);
- for (i = 0; i < sg_count; i++) {
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
int count = sg_dma_len(sg);
addr = sg_dma_address(sg);
psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
psg->sg[i].count = cpu_to_le32(count);
byte_count += count;
- sg++;
}
- psg->count = cpu_to_le32(sg_count);
+ psg->count = cpu_to_le32(nseg);
/* hba wants the size to be exact */
- if(byte_count > scsicmd->request_bufflen){
- u32 temp = le32_to_cpu(psg->sg[i-1].count) -
- (byte_count - scsicmd->request_bufflen);
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsi_bufflen(scsicmd));
psg->sg[i-1].count = cpu_to_le32(temp);
- byte_count = scsicmd->request_bufflen;
+ byte_count = scsi_bufflen(scsicmd);
}
/* Check for command underflow */
if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
byte_count, scsicmd->underflow);
}
}
- else if(scsicmd->request_bufflen) {
- scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
- scsicmd->request_buffer,
- scsicmd->request_bufflen,
- scsicmd->sc_data_direction);
- addr = scsicmd->SCp.dma_handle;
- psg->count = cpu_to_le32(1);
- psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
- psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
- psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
- byte_count = scsicmd->request_bufflen;
- }
return byte_count;
}
static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
{
- struct Scsi_Host *host = scsicmd->device->host;
- struct aac_dev *dev = (struct aac_dev *)host->hostdata;
unsigned long byte_count = 0;
+ int nseg;
// Get rid of old data
psg->count = 0;
psg->sg[0].addr[1] = 0;
psg->sg[0].count = 0;
psg->sg[0].flags = 0;
- if (scsicmd->use_sg) {
+
+ nseg = scsi_dma_map(scsicmd);
+ BUG_ON(nseg < 0);
+ if (nseg) {
struct scatterlist *sg;
int i;
- int sg_count;
- sg = (struct scatterlist *) scsicmd->request_buffer;
- sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
- scsicmd->sc_data_direction);
-
- for (i = 0; i < sg_count; i++) {
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
int count = sg_dma_len(sg);
u64 addr = sg_dma_address(sg);
psg->sg[i].next = 0;
psg->sg[i].count = cpu_to_le32(count);
psg->sg[i].flags = 0;
byte_count += count;
- sg++;
}
- psg->count = cpu_to_le32(sg_count);
+ psg->count = cpu_to_le32(nseg);
/* hba wants the size to be exact */
- if(byte_count > scsicmd->request_bufflen){
- u32 temp = le32_to_cpu(psg->sg[i-1].count) -
- (byte_count - scsicmd->request_bufflen);
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsi_bufflen(scsicmd));
psg->sg[i-1].count = cpu_to_le32(temp);
- byte_count = scsicmd->request_bufflen;
+ byte_count = scsi_bufflen(scsicmd);
}
/* Check for command underflow */
if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
byte_count, scsicmd->underflow);
}
}
- else if(scsicmd->request_bufflen) {
- int count;
- u64 addr;
- scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
- scsicmd->request_buffer,
- scsicmd->request_bufflen,
- scsicmd->sc_data_direction);
- addr = scsicmd->SCp.dma_handle;
- count = scsicmd->request_bufflen;
- psg->count = cpu_to_le32(1);
- psg->sg[0].next = 0;
- psg->sg[0].prev = 0;
- psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
- psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
- psg->sg[0].count = cpu_to_le32(count);
- psg->sg[0].flags = 0;
- byte_count = scsicmd->request_bufflen;
- }
return byte_count;
}
projects / linux-2.6-omap-h63xx.git / blobdiff