struct pscsi_hba_virt *phv;
phv = kzalloc(sizeof(struct pscsi_hba_virt), GFP_KERNEL);
- if (!(phv)) {
- printk(KERN_ERR "Unable to allocate struct pscsi_hba_virt\n");
+ if (!phv) {
+ pr_err("Unable to allocate struct pscsi_hba_virt\n");
return -ENOMEM;
}
phv->phv_host_id = host_id;
hba->hba_ptr = phv;
- printk(KERN_INFO "CORE_HBA[%d] - TCM SCSI HBA Driver %s on"
+ pr_debug("CORE_HBA[%d] - TCM SCSI HBA Driver %s on"
" Generic Target Core Stack %s\n", hba->hba_id,
PSCSI_VERSION, TARGET_CORE_MOD_VERSION);
- printk(KERN_INFO "CORE_HBA[%d] - Attached SCSI HBA to Generic\n",
+ pr_debug("CORE_HBA[%d] - Attached SCSI HBA to Generic\n",
hba->hba_id);
return 0;
if (scsi_host) {
scsi_host_put(scsi_host);
- printk(KERN_INFO "CORE_HBA[%d] - Detached SCSI HBA: %s from"
+ pr_debug("CORE_HBA[%d] - Detached SCSI HBA: %s from"
" Generic Target Core\n", hba->hba_id,
(scsi_host->hostt->name) ? (scsi_host->hostt->name) :
"Unknown");
} else
- printk(KERN_INFO "CORE_HBA[%d] - Detached Virtual SCSI HBA"
+ pr_debug("CORE_HBA[%d] - Detached Virtual SCSI HBA"
" from Generic Target Core\n", hba->hba_id);
kfree(phv);
/*
* Release the struct Scsi_Host
*/
- if (!(mode_flag)) {
- if (!(sh))
+ if (!mode_flag) {
+ if (!sh)
return 0;
phv->phv_lld_host = NULL;
phv->phv_mode = PHV_VIRUTAL_HOST_ID;
- printk(KERN_INFO "CORE_HBA[%d] - Disabled pSCSI HBA Passthrough"
+ pr_debug("CORE_HBA[%d] - Disabled pSCSI HBA Passthrough"
" %s\n", hba->hba_id, (sh->hostt->name) ?
(sh->hostt->name) : "Unknown");
*/
sh = scsi_host_lookup(phv->phv_host_id);
if (IS_ERR(sh)) {
- printk(KERN_ERR "pSCSI: Unable to locate SCSI Host for"
+ pr_err("pSCSI: Unable to locate SCSI Host for"
" phv_host_id: %d\n", phv->phv_host_id);
return PTR_ERR(sh);
}
phv->phv_lld_host = sh;
phv->phv_mode = PHV_LLD_SCSI_HOST_NO;
- printk(KERN_INFO "CORE_HBA[%d] - Enabled pSCSI HBA Passthrough %s\n",
+ pr_debug("CORE_HBA[%d] - Enabled pSCSI HBA Passthrough %s\n",
hba->hba_id, (sh->hostt->name) ? (sh->hostt->name) : "Unknown");
return 1;
page_83 = &buf[off];
ident_len = page_83[3];
if (!ident_len) {
- printk(KERN_ERR "page_83[3]: identifier"
+ pr_err("page_83[3]: identifier"
" length zero!\n");
break;
}
- printk(KERN_INFO "T10 VPD Identifer Length: %d\n", ident_len);
+ pr_debug("T10 VPD Identifer Length: %d\n", ident_len);
vpd = kzalloc(sizeof(struct t10_vpd), GFP_KERNEL);
if (!vpd) {
- printk(KERN_ERR "Unable to allocate memory for"
+ pr_err("Unable to allocate memory for"
" struct t10_vpd\n");
goto out;
}
if (!sd->queue_depth) {
sd->queue_depth = PSCSI_DEFAULT_QUEUEDEPTH;
- printk(KERN_ERR "Set broken SCSI Device %d:%d:%d"
+ pr_err("Set broken SCSI Device %d:%d:%d"
" queue_depth to %d\n", sd->channel, sd->id,
sd->lun, sd->queue_depth);
}
dev = transport_add_device_to_core_hba(hba, &pscsi_template,
se_dev, dev_flags, pdv,
&dev_limits, NULL, NULL);
- if (!(dev)) {
+ if (!dev) {
pdv->pdv_sd = NULL;
return NULL;
}
struct pscsi_dev_virt *pdv;
pdv = kzalloc(sizeof(struct pscsi_dev_virt), GFP_KERNEL);
- if (!(pdv)) {
- printk(KERN_ERR "Unable to allocate memory for struct pscsi_dev_virt\n");
+ if (!pdv) {
+ pr_err("Unable to allocate memory for struct pscsi_dev_virt\n");
return NULL;
}
pdv->pdv_se_hba = hba;
- printk(KERN_INFO "PSCSI: Allocated pdv: %p for %s\n", pdv, name);
+ pr_debug("PSCSI: Allocated pdv: %p for %s\n", pdv, name);
return pdv;
}
u32 dev_flags = 0;
if (scsi_device_get(sd)) {
- printk(KERN_ERR "scsi_device_get() failed for %d:%d:%d:%d\n",
+ pr_err("scsi_device_get() failed for %d:%d:%d:%d\n",
sh->host_no, sd->channel, sd->id, sd->lun);
spin_unlock_irq(sh->host_lock);
return NULL;
bd = blkdev_get_by_path(se_dev->se_dev_udev_path,
FMODE_WRITE|FMODE_READ|FMODE_EXCL, pdv);
if (IS_ERR(bd)) {
- printk(KERN_ERR "pSCSI: blkdev_get_by_path() failed\n");
+ pr_err("pSCSI: blkdev_get_by_path() failed\n");
scsi_device_put(sd);
return NULL;
}
pdv->pdv_bd = bd;
dev = pscsi_add_device_to_list(hba, se_dev, pdv, sd, dev_flags);
- if (!(dev)) {
+ if (!dev) {
blkdev_put(pdv->pdv_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL);
scsi_device_put(sd);
return NULL;
}
- printk(KERN_INFO "CORE_PSCSI[%d] - Added TYPE_DISK for %d:%d:%d:%d\n",
+ pr_debug("CORE_PSCSI[%d] - Added TYPE_DISK for %d:%d:%d:%d\n",
phv->phv_host_id, sh->host_no, sd->channel, sd->id, sd->lun);
return dev;
u32 dev_flags = 0;
if (scsi_device_get(sd)) {
- printk(KERN_ERR "scsi_device_get() failed for %d:%d:%d:%d\n",
+ pr_err("scsi_device_get() failed for %d:%d:%d:%d\n",
sh->host_no, sd->channel, sd->id, sd->lun);
spin_unlock_irq(sh->host_lock);
return NULL;
spin_unlock_irq(sh->host_lock);
dev = pscsi_add_device_to_list(hba, se_dev, pdv, sd, dev_flags);
- if (!(dev)) {
+ if (!dev) {
scsi_device_put(sd);
return NULL;
}
- printk(KERN_INFO "CORE_PSCSI[%d] - Added Type: %s for %d:%d:%d:%d\n",
+ pr_debug("CORE_PSCSI[%d] - Added Type: %s for %d:%d:%d:%d\n",
phv->phv_host_id, scsi_device_type(sd->type), sh->host_no,
sd->channel, sd->id, sd->lun);
spin_unlock_irq(sh->host_lock);
dev = pscsi_add_device_to_list(hba, se_dev, pdv, sd, dev_flags);
- if (!(dev))
+ if (!dev)
return NULL;
- printk(KERN_INFO "CORE_PSCSI[%d] - Added Type: %s for %d:%d:%d:%d\n",
+ pr_debug("CORE_PSCSI[%d] - Added Type: %s for %d:%d:%d:%d\n",
phv->phv_host_id, scsi_device_type(sd->type), sh->host_no,
sd->channel, sd->id, sd->lun);
struct Scsi_Host *sh = phv->phv_lld_host;
int legacy_mode_enable = 0;
- if (!(pdv)) {
- printk(KERN_ERR "Unable to locate struct pscsi_dev_virt"
+ if (!pdv) {
+ pr_err("Unable to locate struct pscsi_dev_virt"
" parameter\n");
return ERR_PTR(-EINVAL);
}
* If not running in PHV_LLD_SCSI_HOST_NO mode, locate the
* struct Scsi_Host we will need to bring the TCM/pSCSI object online
*/
- if (!(sh)) {
+ if (!sh) {
if (phv->phv_mode == PHV_LLD_SCSI_HOST_NO) {
- printk(KERN_ERR "pSCSI: Unable to locate struct"
+ pr_err("pSCSI: Unable to locate struct"
" Scsi_Host for PHV_LLD_SCSI_HOST_NO\n");
return ERR_PTR(-ENODEV);
}
* reference, we enforce that udev_path has been set
*/
if (!(se_dev->su_dev_flags & SDF_USING_UDEV_PATH)) {
- printk(KERN_ERR "pSCSI: udev_path attribute has not"
+ pr_err("pSCSI: udev_path attribute has not"
" been set before ENABLE=1\n");
return ERR_PTR(-EINVAL);
}
*/
if (!(pdv->pdv_flags & PDF_HAS_VIRT_HOST_ID)) {
spin_lock(&hba->device_lock);
- if (!(list_empty(&hba->hba_dev_list))) {
- printk(KERN_ERR "pSCSI: Unable to set hba_mode"
+ if (!list_empty(&hba->hba_dev_list)) {
+ pr_err("pSCSI: Unable to set hba_mode"
" with active devices\n");
spin_unlock(&hba->device_lock);
return ERR_PTR(-EEXIST);
} else {
sh = scsi_host_lookup(pdv->pdv_host_id);
if (IS_ERR(sh)) {
- printk(KERN_ERR "pSCSI: Unable to locate"
+ pr_err("pSCSI: Unable to locate"
" pdv_host_id: %d\n", pdv->pdv_host_id);
return (struct se_device *) sh;
}
}
} else {
if (phv->phv_mode == PHV_VIRUTAL_HOST_ID) {
- printk(KERN_ERR "pSCSI: PHV_VIRUTAL_HOST_ID set while"
+ pr_err("pSCSI: PHV_VIRUTAL_HOST_ID set while"
" struct Scsi_Host exists\n");
return ERR_PTR(-EEXIST);
}
break;
}
- if (!(dev)) {
+ if (!dev) {
if (phv->phv_mode == PHV_VIRUTAL_HOST_ID)
scsi_host_put(sh);
else if (legacy_mode_enable) {
}
spin_unlock_irq(sh->host_lock);
- printk(KERN_ERR "pSCSI: Unable to locate %d:%d:%d:%d\n", sh->host_no,
+ pr_err("pSCSI: Unable to locate %d:%d:%d:%d\n", sh->host_no,
pdv->pdv_channel_id, pdv->pdv_target_id, pdv->pdv_lun_id);
if (phv->phv_mode == PHV_VIRUTAL_HOST_ID)
u32 blocksize;
buf = sg_virt(&sg[0]);
- if (!(buf)) {
- printk(KERN_ERR "Unable to get buf for scatterlist\n");
+ if (!buf) {
+ pr_err("Unable to get buf for scatterlist\n");
goto after_mode_select;
}
}
static struct se_task *
-pscsi_alloc_task(struct se_cmd *cmd)
+pscsi_alloc_task(unsigned char *cdb)
{
struct pscsi_plugin_task *pt;
- unsigned char *cdb = cmd->t_task_cdb;
- pt = kzalloc(sizeof(struct pscsi_plugin_task), GFP_KERNEL);
+ /*
+ * Dynamically alloc cdb space, since it may be larger than
+ * TCM_MAX_COMMAND_SIZE
+ */
+ pt = kzalloc(sizeof(*pt) + scsi_command_size(cdb), GFP_KERNEL);
if (!pt) {
- printk(KERN_ERR "Unable to allocate struct pscsi_plugin_task\n");
+ pr_err("Unable to allocate struct pscsi_plugin_task\n");
return NULL;
}
- /*
- * If TCM Core is signaling a > TCM_MAX_COMMAND_SIZE allocation,
- * allocate the extended CDB buffer for per struct se_task context
- * pt->pscsi_cdb now.
- */
- if (cmd->t_task_cdb != cmd->__t_task_cdb) {
-
- pt->pscsi_cdb = kzalloc(scsi_command_size(cdb), GFP_KERNEL);
- if (!(pt->pscsi_cdb)) {
- printk(KERN_ERR "pSCSI: Unable to allocate extended"
- " pt->pscsi_cdb\n");
- kfree(pt);
- return NULL;
- }
- } else
- pt->pscsi_cdb = &pt->__pscsi_cdb[0];
-
return &pt->pscsi_task;
}
pt->pscsi_req = blk_get_request(pdv->pdv_sd->request_queue,
(task->task_data_direction == DMA_TO_DEVICE),
GFP_KERNEL);
- if (!(pt->pscsi_req) || IS_ERR(pt->pscsi_req)) {
- printk(KERN_ERR "PSCSI: blk_get_request() failed: %ld\n",
+ if (!pt->pscsi_req || IS_ERR(pt->pscsi_req)) {
+ pr_err("PSCSI: blk_get_request() failed: %ld\n",
IS_ERR(pt->pscsi_req));
return PYX_TRANSPORT_LU_COMM_FAILURE;
}
static void pscsi_free_task(struct se_task *task)
{
struct pscsi_plugin_task *pt = PSCSI_TASK(task);
- struct se_cmd *cmd = task->task_se_cmd;
- /*
- * Release the extended CDB allocation from pscsi_alloc_task()
- * if one exists.
- */
- if (cmd->t_task_cdb != cmd->__t_task_cdb)
- kfree(pt->pscsi_cdb);
/*
* We do not release the bio(s) here associated with this task, as
* this is handled by bio_put() and pscsi_bi_endio().
switch (token) {
case Opt_scsi_host_id:
if (phv->phv_mode == PHV_LLD_SCSI_HOST_NO) {
- printk(KERN_ERR "PSCSI[%d]: Unable to accept"
+ pr_err("PSCSI[%d]: Unable to accept"
" scsi_host_id while phv_mode =="
" PHV_LLD_SCSI_HOST_NO\n",
phv->phv_host_id);
}
match_int(args, &arg);
pdv->pdv_host_id = arg;
- printk(KERN_INFO "PSCSI[%d]: Referencing SCSI Host ID:"
+ pr_debug("PSCSI[%d]: Referencing SCSI Host ID:"
" %d\n", phv->phv_host_id, pdv->pdv_host_id);
pdv->pdv_flags |= PDF_HAS_VIRT_HOST_ID;
break;
case Opt_scsi_channel_id:
match_int(args, &arg);
pdv->pdv_channel_id = arg;
- printk(KERN_INFO "PSCSI[%d]: Referencing SCSI Channel"
+ pr_debug("PSCSI[%d]: Referencing SCSI Channel"
" ID: %d\n", phv->phv_host_id,
pdv->pdv_channel_id);
pdv->pdv_flags |= PDF_HAS_CHANNEL_ID;
case Opt_scsi_target_id:
match_int(args, &arg);
pdv->pdv_target_id = arg;
- printk(KERN_INFO "PSCSI[%d]: Referencing SCSI Target"
+ pr_debug("PSCSI[%d]: Referencing SCSI Target"
" ID: %d\n", phv->phv_host_id,
pdv->pdv_target_id);
pdv->pdv_flags |= PDF_HAS_TARGET_ID;
case Opt_scsi_lun_id:
match_int(args, &arg);
pdv->pdv_lun_id = arg;
- printk(KERN_INFO "PSCSI[%d]: Referencing SCSI LUN ID:"
+ pr_debug("PSCSI[%d]: Referencing SCSI LUN ID:"
" %d\n", phv->phv_host_id, pdv->pdv_lun_id);
pdv->pdv_flags |= PDF_HAS_LUN_ID;
break;
if (!(pdv->pdv_flags & PDF_HAS_CHANNEL_ID) ||
!(pdv->pdv_flags & PDF_HAS_TARGET_ID) ||
!(pdv->pdv_flags & PDF_HAS_LUN_ID)) {
- printk(KERN_ERR "Missing scsi_channel_id=, scsi_target_id= and"
+ pr_err("Missing scsi_channel_id=, scsi_target_id= and"
" scsi_lun_id= parameters\n");
return -EINVAL;
}
* in block/blk-core.c:blk_make_request()
*/
bio = bio_kmalloc(GFP_KERNEL, sg_num);
- if (!(bio)) {
- printk(KERN_ERR "PSCSI: bio_kmalloc() failed\n");
+ if (!bio) {
+ pr_err("PSCSI: bio_kmalloc() failed\n");
return NULL;
}
bio->bi_end_io = pscsi_bi_endio;
return bio;
}
-#if 0
-#define DEBUG_PSCSI(x...) printk(x)
-#else
-#define DEBUG_PSCSI(x...)
-#endif
-
-static int __pscsi_map_task_SG(
+static int __pscsi_map_SG(
struct se_task *task,
struct scatterlist *task_sg,
u32 task_sg_num,
return 0;
/*
* For SCF_SCSI_DATA_SG_IO_CDB, Use fs/bio.c:bio_add_page() to setup
- * the bio_vec maplist from TC< struct se_mem -> task->task_sg ->
+ * the bio_vec maplist from task->task_sg ->
* struct scatterlist memory. The struct se_task->task_sg[] currently needs
* to be attached to struct bios for submission to Linux/SCSI using
* struct request to struct scsi_device->request_queue.
* is ported to upstream SCSI passthrough functionality that accepts
* struct scatterlist->page_link or struct page as a paraemeter.
*/
- DEBUG_PSCSI("PSCSI: nr_pages: %d\n", nr_pages);
+ pr_debug("PSCSI: nr_pages: %d\n", nr_pages);
for_each_sg(task_sg, sg, task_sg_num, i) {
page = sg_page(sg);
off = sg->offset;
len = sg->length;
- DEBUG_PSCSI("PSCSI: i: %d page: %p len: %d off: %d\n", i,
+ pr_debug("PSCSI: i: %d page: %p len: %d off: %d\n", i,
page, len, off);
while (len > 0 && data_len > 0) {
bytes = min_t(unsigned int, len, PAGE_SIZE - off);
bytes = min(bytes, data_len);
- if (!(bio)) {
+ if (!bio) {
nr_vecs = min_t(int, BIO_MAX_PAGES, nr_pages);
nr_pages -= nr_vecs;
/*
* Calls bio_kmalloc() and sets bio->bi_end_io()
*/
bio = pscsi_get_bio(nr_vecs);
- if (!(bio))
+ if (!bio)
goto fail;
if (rw)
bio->bi_rw |= REQ_WRITE;
- DEBUG_PSCSI("PSCSI: Allocated bio: %p,"
+ pr_debug("PSCSI: Allocated bio: %p,"
" dir: %s nr_vecs: %d\n", bio,
(rw) ? "rw" : "r", nr_vecs);
/*
tbio = tbio->bi_next = bio;
}
- DEBUG_PSCSI("PSCSI: Calling bio_add_pc_page() i: %d"
+ pr_debug("PSCSI: Calling bio_add_pc_page() i: %d"
" bio: %p page: %p len: %d off: %d\n", i, bio,
page, len, off);
if (rc != bytes)
goto fail;
- DEBUG_PSCSI("PSCSI: bio->bi_vcnt: %d nr_vecs: %d\n",
+ pr_debug("PSCSI: bio->bi_vcnt: %d nr_vecs: %d\n",
bio->bi_vcnt, nr_vecs);
if (bio->bi_vcnt > nr_vecs) {
- DEBUG_PSCSI("PSCSI: Reached bio->bi_vcnt max:"
+ pr_debug("PSCSI: Reached bio->bi_vcnt max:"
" %d i: %d bio: %p, allocating another"
" bio\n", bio->bi_vcnt, i, bio);
/*
* Setup the primary pt->pscsi_req used for non BIDI and BIDI-COMMAND
* primary SCSI WRITE poayload mapped for struct se_task->task_sg[]
*/
- if (!(bidi_read)) {
+ if (!bidi_read) {
/*
* Starting with v2.6.31, call blk_make_request() passing in *hbio to
* allocate the pSCSI task a struct request.
*/
pt->pscsi_req = blk_make_request(pdv->pdv_sd->request_queue,
hbio, GFP_KERNEL);
- if (!(pt->pscsi_req)) {
- printk(KERN_ERR "pSCSI: blk_make_request() failed\n");
+ if (!pt->pscsi_req) {
+ pr_err("pSCSI: blk_make_request() failed\n");
goto fail;
}
/*
*/
pscsi_blk_init_request(task, pt, pt->pscsi_req, 0);
- return task->task_sg_num;
+ return task->task_sg_nents;
}
/*
* Setup the secondary pt->pscsi_req->next_rq used for the extra BIDI-COMMAND
*/
pt->pscsi_req->next_rq = blk_make_request(pdv->pdv_sd->request_queue,
hbio, GFP_KERNEL);
- if (!(pt->pscsi_req->next_rq)) {
- printk(KERN_ERR "pSCSI: blk_make_request() failed for BIDI\n");
+ if (!pt->pscsi_req->next_rq) {
+ pr_err("pSCSI: blk_make_request() failed for BIDI\n");
goto fail;
}
pscsi_blk_init_request(task, pt, pt->pscsi_req->next_rq, 1);
- return task->task_sg_num;
+ return task->task_sg_nents;
fail:
while (hbio) {
bio = hbio;
return ret;
}
-static int pscsi_map_task_SG(struct se_task *task)
+/*
+ * pSCSI maps both ->map_control_SG() and ->map_data_SG() to a single call.
+ */
+static int pscsi_map_SG(struct se_task *task)
{
int ret;
* Setup the main struct request for the task->task_sg[] payload
*/
- ret = __pscsi_map_task_SG(task, task->task_sg, task->task_sg_num, 0);
+ ret = __pscsi_map_SG(task, task->task_sg, task->task_sg_nents, 0);
if (ret >= 0 && task->task_sg_bidi) {
/*
* If present, set up the extra BIDI-COMMAND SCSI READ
* struct request and payload.
*/
- ret = __pscsi_map_task_SG(task, task->task_sg_bidi,
- task->task_sg_num, 1);
+ ret = __pscsi_map_SG(task, task->task_sg_bidi,
+ task->task_sg_nents, 1);
}
if (ret < 0)
struct pscsi_plugin_task *pt)
{
task->task_scsi_status = status_byte(pt->pscsi_result);
- if ((task->task_scsi_status)) {
+ if (task->task_scsi_status) {
task->task_scsi_status <<= 1;
- printk(KERN_INFO "PSCSI Status Byte exception at task: %p CDB:"
+ pr_debug("PSCSI Status Byte exception at task: %p CDB:"
" 0x%02x Result: 0x%08x\n", task, pt->pscsi_cdb[0],
pt->pscsi_result);
}
transport_complete_task(task, (!task->task_scsi_status));
break;
default:
- printk(KERN_INFO "PSCSI Host Byte exception at task: %p CDB:"
+ pr_debug("PSCSI Host Byte exception at task: %p CDB:"
" 0x%02x Result: 0x%08x\n", task, pt->pscsi_cdb[0],
pt->pscsi_result);
task->task_scsi_status = SAM_STAT_CHECK_CONDITION;
.owner = THIS_MODULE,
.transport_type = TRANSPORT_PLUGIN_PHBA_PDEV,
.cdb_none = pscsi_CDB_none,
- .map_task_SG = pscsi_map_task_SG,
+ .map_control_SG = pscsi_map_SG,
+ .map_data_SG = pscsi_map_SG,
.attach_hba = pscsi_attach_hba,
.detach_hba = pscsi_detach_hba,
.pmode_enable_hba = pscsi_pmode_enable_hba,
git.openpandora.org / pandora-kernel.git / blobdiff