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path: root/drivers/target/loopback/tcm_loop.c
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Diffstat (limited to 'drivers/target/loopback/tcm_loop.c')
-rw-r--r--drivers/target/loopback/tcm_loop.c207
1 files changed, 84 insertions, 123 deletions
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 70c2e7fa6664..aa2d67997235 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -31,7 +31,6 @@
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_tcq.h>
#include <target/target_core_base.h>
#include <target/target_core_transport.h>
@@ -80,7 +79,7 @@ static struct se_cmd *tcm_loop_allocate_core_cmd(
tl_cmd = kmem_cache_zalloc(tcm_loop_cmd_cache, GFP_ATOMIC);
if (!tl_cmd) {
- printk(KERN_ERR "Unable to allocate struct tcm_loop_cmd\n");
+ pr_err("Unable to allocate struct tcm_loop_cmd\n");
set_host_byte(sc, DID_ERROR);
return NULL;
}
@@ -118,17 +117,16 @@ static struct se_cmd *tcm_loop_allocate_core_cmd(
* Signal BIDI usage with T_TASK(cmd)->t_tasks_bidi
*/
if (scsi_bidi_cmnd(sc))
- T_TASK(se_cmd)->t_tasks_bidi = 1;
+ se_cmd->t_tasks_bidi = 1;
/*
* Locate the struct se_lun pointer and attach it to struct se_cmd
*/
- if (transport_get_lun_for_cmd(se_cmd, NULL, tl_cmd->sc->device->lun) < 0) {
+ if (transport_lookup_cmd_lun(se_cmd, tl_cmd->sc->device->lun) < 0) {
kmem_cache_free(tcm_loop_cmd_cache, tl_cmd);
set_host_byte(sc, DID_NO_CONNECT);
return NULL;
}
- transport_device_setup_cmd(se_cmd);
return se_cmd;
}
@@ -143,17 +141,17 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
struct tcm_loop_cmd *tl_cmd = container_of(se_cmd,
struct tcm_loop_cmd, tl_se_cmd);
struct scsi_cmnd *sc = tl_cmd->sc;
- void *mem_ptr, *mem_bidi_ptr = NULL;
- u32 sg_no_bidi = 0;
+ struct scatterlist *sgl_bidi = NULL;
+ u32 sgl_bidi_count = 0;
int ret;
/*
* Allocate the necessary tasks to complete the received CDB+data
*/
- ret = transport_generic_allocate_tasks(se_cmd, tl_cmd->sc->cmnd);
- if (ret == -1) {
+ ret = transport_generic_allocate_tasks(se_cmd, sc->cmnd);
+ if (ret == -ENOMEM) {
/* Out of Resources */
return PYX_TRANSPORT_LU_COMM_FAILURE;
- } else if (ret == -2) {
+ } else if (ret == -EINVAL) {
/*
* Handle case for SAM_STAT_RESERVATION_CONFLICT
*/
@@ -165,35 +163,21 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd)
*/
return PYX_TRANSPORT_USE_SENSE_REASON;
}
+
/*
- * Setup the struct scatterlist memory from the received
- * struct scsi_cmnd.
+ * For BIDI commands, pass in the extra READ buffer
+ * to transport_generic_map_mem_to_cmd() below..
*/
- if (scsi_sg_count(sc)) {
- se_cmd->se_cmd_flags |= SCF_PASSTHROUGH_SG_TO_MEM;
- mem_ptr = (void *)scsi_sglist(sc);
- /*
- * For BIDI commands, pass in the extra READ buffer
- * to transport_generic_map_mem_to_cmd() below..
- */
- if (T_TASK(se_cmd)->t_tasks_bidi) {
- struct scsi_data_buffer *sdb = scsi_in(sc);
+ if (se_cmd->t_tasks_bidi) {
+ struct scsi_data_buffer *sdb = scsi_in(sc);
- mem_bidi_ptr = (void *)sdb->table.sgl;
- sg_no_bidi = sdb->table.nents;
- }
- } else {
- /*
- * Used for DMA_NONE
- */
- mem_ptr = NULL;
+ sgl_bidi = sdb->table.sgl;
+ sgl_bidi_count = sdb->table.nents;
}
- /*
- * Map the SG memory into struct se_mem->page linked list using the same
- * physical memory at sg->page_link.
- */
- ret = transport_generic_map_mem_to_cmd(se_cmd, mem_ptr,
- scsi_sg_count(sc), mem_bidi_ptr, sg_no_bidi);
+
+ /* Tell the core about our preallocated memory */
+ ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
+ scsi_sg_count(sc), sgl_bidi, sgl_bidi_count);
if (ret < 0)
return PYX_TRANSPORT_LU_COMM_FAILURE;
@@ -216,13 +200,10 @@ static void tcm_loop_check_stop_free(struct se_cmd *se_cmd)
* Release the struct se_cmd, which will make a callback to release
* struct tcm_loop_cmd * in tcm_loop_deallocate_core_cmd()
*/
- transport_generic_free_cmd(se_cmd, 0, 1, 0);
+ transport_generic_free_cmd(se_cmd, 0, 0);
}
-/*
- * Called from struct target_core_fabric_ops->release_cmd_to_pool()
- */
-static void tcm_loop_deallocate_core_cmd(struct se_cmd *se_cmd)
+static void tcm_loop_release_cmd(struct se_cmd *se_cmd)
{
struct tcm_loop_cmd *tl_cmd = container_of(se_cmd,
struct tcm_loop_cmd, tl_se_cmd);
@@ -300,7 +281,7 @@ static int tcm_loop_queuecommand(
struct tcm_loop_hba *tl_hba;
struct tcm_loop_tpg *tl_tpg;
- TL_CDB_DEBUG("tcm_loop_queuecommand() %d:%d:%d:%d got CDB: 0x%02x"
+ pr_debug("tcm_loop_queuecommand() %d:%d:%d:%d got CDB: 0x%02x"
" scsi_buf_len: %u\n", sc->device->host->host_no,
sc->device->id, sc->device->channel, sc->device->lun,
sc->cmnd[0], scsi_bufflen(sc));
@@ -350,7 +331,7 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc)
*/
tl_nexus = tl_hba->tl_nexus;
if (!tl_nexus) {
- printk(KERN_ERR "Unable to perform device reset without"
+ pr_err("Unable to perform device reset without"
" active I_T Nexus\n");
return FAILED;
}
@@ -363,13 +344,13 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc)
tl_cmd = kmem_cache_zalloc(tcm_loop_cmd_cache, GFP_KERNEL);
if (!tl_cmd) {
- printk(KERN_ERR "Unable to allocate memory for tl_cmd\n");
+ pr_err("Unable to allocate memory for tl_cmd\n");
return FAILED;
}
tl_tmr = kzalloc(sizeof(struct tcm_loop_tmr), GFP_KERNEL);
if (!tl_tmr) {
- printk(KERN_ERR "Unable to allocate memory for tl_tmr\n");
+ pr_err("Unable to allocate memory for tl_tmr\n");
goto release;
}
init_waitqueue_head(&tl_tmr->tl_tmr_wait);
@@ -384,14 +365,14 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc)
/*
* Allocate the LUN_RESET TMR
*/
- se_cmd->se_tmr_req = core_tmr_alloc_req(se_cmd, (void *)tl_tmr,
+ se_cmd->se_tmr_req = core_tmr_alloc_req(se_cmd, tl_tmr,
TMR_LUN_RESET);
if (IS_ERR(se_cmd->se_tmr_req))
goto release;
/*
* Locate the underlying TCM struct se_lun from sc->device->lun
*/
- if (transport_get_lun_for_tmr(se_cmd, sc->device->lun) < 0)
+ if (transport_lookup_tmr_lun(se_cmd, sc->device->lun) < 0)
goto release;
/*
* Queue the TMR to TCM Core and sleep waiting for tcm_loop_queue_tm_rsp()
@@ -407,7 +388,7 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc)
SUCCESS : FAILED;
release:
if (se_cmd)
- transport_generic_free_cmd(se_cmd, 1, 1, 0);
+ transport_generic_free_cmd(se_cmd, 1, 0);
else
kmem_cache_free(tcm_loop_cmd_cache, tl_cmd);
kfree(tl_tmr);
@@ -454,7 +435,7 @@ static int tcm_loop_driver_probe(struct device *dev)
sh = scsi_host_alloc(&tcm_loop_driver_template,
sizeof(struct tcm_loop_hba));
if (!sh) {
- printk(KERN_ERR "Unable to allocate struct scsi_host\n");
+ pr_err("Unable to allocate struct scsi_host\n");
return -ENODEV;
}
tl_hba->sh = sh;
@@ -473,7 +454,7 @@ static int tcm_loop_driver_probe(struct device *dev)
error = scsi_add_host(sh, &tl_hba->dev);
if (error) {
- printk(KERN_ERR "%s: scsi_add_host failed\n", __func__);
+ pr_err("%s: scsi_add_host failed\n", __func__);
scsi_host_put(sh);
return -ENODEV;
}
@@ -514,7 +495,7 @@ static int tcm_loop_setup_hba_bus(struct tcm_loop_hba *tl_hba, int tcm_loop_host
ret = device_register(&tl_hba->dev);
if (ret) {
- printk(KERN_ERR "device_register() failed for"
+ pr_err("device_register() failed for"
" tl_hba->dev: %d\n", ret);
return -ENODEV;
}
@@ -532,24 +513,24 @@ static int tcm_loop_alloc_core_bus(void)
tcm_loop_primary = root_device_register("tcm_loop_0");
if (IS_ERR(tcm_loop_primary)) {
- printk(KERN_ERR "Unable to allocate tcm_loop_primary\n");
+ pr_err("Unable to allocate tcm_loop_primary\n");
return PTR_ERR(tcm_loop_primary);
}
ret = bus_register(&tcm_loop_lld_bus);
if (ret) {
- printk(KERN_ERR "bus_register() failed for tcm_loop_lld_bus\n");
+ pr_err("bus_register() failed for tcm_loop_lld_bus\n");
goto dev_unreg;
}
ret = driver_register(&tcm_loop_driverfs);
if (ret) {
- printk(KERN_ERR "driver_register() failed for"
+ pr_err("driver_register() failed for"
"tcm_loop_driverfs\n");
goto bus_unreg;
}
- printk(KERN_INFO "Initialized TCM Loop Core Bus\n");
+ pr_debug("Initialized TCM Loop Core Bus\n");
return ret;
bus_unreg:
@@ -565,7 +546,7 @@ static void tcm_loop_release_core_bus(void)
bus_unregister(&tcm_loop_lld_bus);
root_device_unregister(tcm_loop_primary);
- printk(KERN_INFO "Releasing TCM Loop Core BUS\n");
+ pr_debug("Releasing TCM Loop Core BUS\n");
}
static char *tcm_loop_get_fabric_name(void)
@@ -593,7 +574,7 @@ static u8 tcm_loop_get_fabric_proto_ident(struct se_portal_group *se_tpg)
case SCSI_PROTOCOL_ISCSI:
return iscsi_get_fabric_proto_ident(se_tpg);
default:
- printk(KERN_ERR "Unknown tl_proto_id: 0x%02x, using"
+ pr_err("Unknown tl_proto_id: 0x%02x, using"
" SAS emulation\n", tl_hba->tl_proto_id);
break;
}
@@ -649,7 +630,7 @@ static u32 tcm_loop_get_pr_transport_id(
return iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
format_code, buf);
default:
- printk(KERN_ERR "Unknown tl_proto_id: 0x%02x, using"
+ pr_err("Unknown tl_proto_id: 0x%02x, using"
" SAS emulation\n", tl_hba->tl_proto_id);
break;
}
@@ -679,7 +660,7 @@ static u32 tcm_loop_get_pr_transport_id_len(
return iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
format_code);
default:
- printk(KERN_ERR "Unknown tl_proto_id: 0x%02x, using"
+ pr_err("Unknown tl_proto_id: 0x%02x, using"
" SAS emulation\n", tl_hba->tl_proto_id);
break;
}
@@ -713,7 +694,7 @@ static char *tcm_loop_parse_pr_out_transport_id(
return iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
port_nexus_ptr);
default:
- printk(KERN_ERR "Unknown tl_proto_id: 0x%02x, using"
+ pr_err("Unknown tl_proto_id: 0x%02x, using"
" SAS emulation\n", tl_hba->tl_proto_id);
break;
}
@@ -762,7 +743,7 @@ static struct se_node_acl *tcm_loop_tpg_alloc_fabric_acl(
tl_nacl = kzalloc(sizeof(struct tcm_loop_nacl), GFP_KERNEL);
if (!tl_nacl) {
- printk(KERN_ERR "Unable to allocate struct tcm_loop_nacl\n");
+ pr_err("Unable to allocate struct tcm_loop_nacl\n");
return NULL;
}
@@ -784,16 +765,6 @@ static u32 tcm_loop_get_inst_index(struct se_portal_group *se_tpg)
return 1;
}
-static void tcm_loop_new_cmd_failure(struct se_cmd *se_cmd)
-{
- /*
- * Since TCM_loop is already passing struct scatterlist data from
- * struct scsi_cmnd, no more Linux/SCSI failure dependent state need
- * to be handled here.
- */
- return;
-}
-
static int tcm_loop_is_state_remove(struct se_cmd *se_cmd)
{
/*
@@ -882,7 +853,7 @@ static int tcm_loop_queue_data_in(struct se_cmd *se_cmd)
struct tcm_loop_cmd, tl_se_cmd);
struct scsi_cmnd *sc = tl_cmd->sc;
- TL_CDB_DEBUG("tcm_loop_queue_data_in() called for scsi_cmnd: %p"
+ pr_debug("tcm_loop_queue_data_in() called for scsi_cmnd: %p"
" cdb: 0x%02x\n", sc, sc->cmnd[0]);
sc->result = SAM_STAT_GOOD;
@@ -897,14 +868,14 @@ static int tcm_loop_queue_status(struct se_cmd *se_cmd)
struct tcm_loop_cmd, tl_se_cmd);
struct scsi_cmnd *sc = tl_cmd->sc;
- TL_CDB_DEBUG("tcm_loop_queue_status() called for scsi_cmnd: %p"
+ pr_debug("tcm_loop_queue_status() called for scsi_cmnd: %p"
" cdb: 0x%02x\n", sc, sc->cmnd[0]);
if (se_cmd->sense_buffer &&
((se_cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) ||
(se_cmd->se_cmd_flags & SCF_EMULATED_TASK_SENSE))) {
- memcpy((void *)sc->sense_buffer, (void *)se_cmd->sense_buffer,
+ memcpy(sc->sense_buffer, se_cmd->sense_buffer,
SCSI_SENSE_BUFFERSIZE);
sc->result = SAM_STAT_CHECK_CONDITION;
set_driver_byte(sc, DRIVER_SENSE);
@@ -972,7 +943,7 @@ static int tcm_loop_port_link(
*/
scsi_add_device(tl_hba->sh, 0, tl_tpg->tl_tpgt, lun->unpacked_lun);
- printk(KERN_INFO "TCM_Loop_ConfigFS: Port Link Successful\n");
+ pr_debug("TCM_Loop_ConfigFS: Port Link Successful\n");
return 0;
}
@@ -990,7 +961,7 @@ static void tcm_loop_port_unlink(
sd = scsi_device_lookup(tl_hba->sh, 0, tl_tpg->tl_tpgt,
se_lun->unpacked_lun);
if (!sd) {
- printk(KERN_ERR "Unable to locate struct scsi_device for %d:%d:"
+ pr_err("Unable to locate struct scsi_device for %d:%d:"
"%d\n", 0, tl_tpg->tl_tpgt, se_lun->unpacked_lun);
return;
}
@@ -1003,7 +974,7 @@ static void tcm_loop_port_unlink(
atomic_dec(&tl_tpg->tl_tpg_port_count);
smp_mb__after_atomic_dec();
- printk(KERN_INFO "TCM_Loop_ConfigFS: Port Unlink Successful\n");
+ pr_debug("TCM_Loop_ConfigFS: Port Unlink Successful\n");
}
/* End items for tcm_loop_port_cit */
@@ -1020,14 +991,14 @@ static int tcm_loop_make_nexus(
int ret = -ENOMEM;
if (tl_tpg->tl_hba->tl_nexus) {
- printk(KERN_INFO "tl_tpg->tl_hba->tl_nexus already exists\n");
+ pr_debug("tl_tpg->tl_hba->tl_nexus already exists\n");
return -EEXIST;
}
se_tpg = &tl_tpg->tl_se_tpg;
tl_nexus = kzalloc(sizeof(struct tcm_loop_nexus), GFP_KERNEL);
if (!tl_nexus) {
- printk(KERN_ERR "Unable to allocate struct tcm_loop_nexus\n");
+ pr_err("Unable to allocate struct tcm_loop_nexus\n");
return -ENOMEM;
}
/*
@@ -1054,9 +1025,9 @@ static int tcm_loop_make_nexus(
* transport_register_session()
*/
__transport_register_session(se_tpg, tl_nexus->se_sess->se_node_acl,
- tl_nexus->se_sess, (void *)tl_nexus);
+ tl_nexus->se_sess, tl_nexus);
tl_tpg->tl_hba->tl_nexus = tl_nexus;
- printk(KERN_INFO "TCM_Loop_ConfigFS: Established I_T Nexus to emulated"
+ pr_debug("TCM_Loop_ConfigFS: Established I_T Nexus to emulated"
" %s Initiator Port: %s\n", tcm_loop_dump_proto_id(tl_hba),
name);
return 0;
@@ -1082,13 +1053,13 @@ static int tcm_loop_drop_nexus(
return -ENODEV;
if (atomic_read(&tpg->tl_tpg_port_count)) {
- printk(KERN_ERR "Unable to remove TCM_Loop I_T Nexus with"
+ pr_err("Unable to remove TCM_Loop I_T Nexus with"
" active TPG port count: %d\n",
atomic_read(&tpg->tl_tpg_port_count));
return -EPERM;
}
- printk(KERN_INFO "TCM_Loop_ConfigFS: Removing I_T Nexus to emulated"
+ pr_debug("TCM_Loop_ConfigFS: Removing I_T Nexus to emulated"
" %s Initiator Port: %s\n", tcm_loop_dump_proto_id(tl_hba),
tl_nexus->se_sess->se_node_acl->initiatorname);
/*
@@ -1144,7 +1115,7 @@ static ssize_t tcm_loop_tpg_store_nexus(
* tcm_loop_make_nexus()
*/
if (strlen(page) >= TL_WWN_ADDR_LEN) {
- printk(KERN_ERR "Emulated NAA Sas Address: %s, exceeds"
+ pr_err("Emulated NAA Sas Address: %s, exceeds"
" max: %d\n", page, TL_WWN_ADDR_LEN);
return -EINVAL;
}
@@ -1153,7 +1124,7 @@ static ssize_t tcm_loop_tpg_store_nexus(
ptr = strstr(i_port, "naa.");
if (ptr) {
if (tl_hba->tl_proto_id != SCSI_PROTOCOL_SAS) {
- printk(KERN_ERR "Passed SAS Initiator Port %s does not"
+ pr_err("Passed SAS Initiator Port %s does not"
" match target port protoid: %s\n", i_port,
tcm_loop_dump_proto_id(tl_hba));
return -EINVAL;
@@ -1164,7 +1135,7 @@ static ssize_t tcm_loop_tpg_store_nexus(
ptr = strstr(i_port, "fc.");
if (ptr) {
if (tl_hba->tl_proto_id != SCSI_PROTOCOL_FCP) {
- printk(KERN_ERR "Passed FCP Initiator Port %s does not"
+ pr_err("Passed FCP Initiator Port %s does not"
" match target port protoid: %s\n", i_port,
tcm_loop_dump_proto_id(tl_hba));
return -EINVAL;
@@ -1175,7 +1146,7 @@ static ssize_t tcm_loop_tpg_store_nexus(
ptr = strstr(i_port, "iqn.");
if (ptr) {
if (tl_hba->tl_proto_id != SCSI_PROTOCOL_ISCSI) {
- printk(KERN_ERR "Passed iSCSI Initiator Port %s does not"
+ pr_err("Passed iSCSI Initiator Port %s does not"
" match target port protoid: %s\n", i_port,
tcm_loop_dump_proto_id(tl_hba));
return -EINVAL;
@@ -1183,7 +1154,7 @@ static ssize_t tcm_loop_tpg_store_nexus(
port_ptr = &i_port[0];
goto check_newline;
}
- printk(KERN_ERR "Unable to locate prefix for emulated Initiator Port:"
+ pr_err("Unable to locate prefix for emulated Initiator Port:"
" %s\n", i_port);
return -EINVAL;
/*
@@ -1223,15 +1194,15 @@ struct se_portal_group *tcm_loop_make_naa_tpg(
tpgt_str = strstr(name, "tpgt_");
if (!tpgt_str) {
- printk(KERN_ERR "Unable to locate \"tpgt_#\" directory"
+ pr_err("Unable to locate \"tpgt_#\" directory"
" group\n");
return ERR_PTR(-EINVAL);
}
tpgt_str += 5; /* Skip ahead of "tpgt_" */
tpgt = (unsigned short int) simple_strtoul(tpgt_str, &end_ptr, 0);
- if (tpgt > TL_TPGS_PER_HBA) {
- printk(KERN_ERR "Passed tpgt: %hu exceeds TL_TPGS_PER_HBA:"
+ if (tpgt >= TL_TPGS_PER_HBA) {
+ pr_err("Passed tpgt: %hu exceeds TL_TPGS_PER_HBA:"
" %u\n", tpgt, TL_TPGS_PER_HBA);
return ERR_PTR(-EINVAL);
}
@@ -1242,12 +1213,12 @@ struct se_portal_group *tcm_loop_make_naa_tpg(
* Register the tl_tpg as a emulated SAS TCM Target Endpoint
*/
ret = core_tpg_register(&tcm_loop_fabric_configfs->tf_ops,
- wwn, &tl_tpg->tl_se_tpg, (void *)tl_tpg,
+ wwn, &tl_tpg->tl_se_tpg, tl_tpg,
TRANSPORT_TPG_TYPE_NORMAL);
if (ret < 0)
return ERR_PTR(-ENOMEM);
- printk(KERN_INFO "TCM_Loop_ConfigFS: Allocated Emulated %s"
+ pr_debug("TCM_Loop_ConfigFS: Allocated Emulated %s"
" Target Port %s,t,0x%04x\n", tcm_loop_dump_proto_id(tl_hba),
config_item_name(&wwn->wwn_group.cg_item), tpgt);
@@ -1274,7 +1245,7 @@ void tcm_loop_drop_naa_tpg(
*/
core_tpg_deregister(se_tpg);
- printk(KERN_INFO "TCM_Loop_ConfigFS: Deallocated Emulated %s"
+ pr_debug("TCM_Loop_ConfigFS: Deallocated Emulated %s"
" Target Port %s,t,0x%04x\n", tcm_loop_dump_proto_id(tl_hba),
config_item_name(&wwn->wwn_group.cg_item), tpgt);
}
@@ -1295,7 +1266,7 @@ struct se_wwn *tcm_loop_make_scsi_hba(
tl_hba = kzalloc(sizeof(struct tcm_loop_hba), GFP_KERNEL);
if (!tl_hba) {
- printk(KERN_ERR "Unable to allocate struct tcm_loop_hba\n");
+ pr_err("Unable to allocate struct tcm_loop_hba\n");
return ERR_PTR(-ENOMEM);
}
/*
@@ -1314,22 +1285,21 @@ struct se_wwn *tcm_loop_make_scsi_hba(
goto check_len;
}
ptr = strstr(name, "iqn.");
- if (ptr) {
- tl_hba->tl_proto_id = SCSI_PROTOCOL_ISCSI;
- goto check_len;
+ if (!ptr) {
+ pr_err("Unable to locate prefix for emulated Target "
+ "Port: %s\n", name);
+ ret = -EINVAL;
+ goto out;
}
-
- printk(KERN_ERR "Unable to locate prefix for emulated Target Port:"
- " %s\n", name);
- return ERR_PTR(-EINVAL);
+ tl_hba->tl_proto_id = SCSI_PROTOCOL_ISCSI;
check_len:
if (strlen(name) >= TL_WWN_ADDR_LEN) {
- printk(KERN_ERR "Emulated NAA %s Address: %s, exceeds"
+ pr_err("Emulated NAA %s Address: %s, exceeds"
" max: %d\n", name, tcm_loop_dump_proto_id(tl_hba),
TL_WWN_ADDR_LEN);
- kfree(tl_hba);
- return ERR_PTR(-EINVAL);
+ ret = -EINVAL;
+ goto out;
}
snprintf(&tl_hba->tl_wwn_address[0], TL_WWN_ADDR_LEN, "%s", &name[off]);
@@ -1344,7 +1314,7 @@ check_len:
sh = tl_hba->sh;
tcm_loop_hba_no_cnt++;
- printk(KERN_INFO "TCM_Loop_ConfigFS: Allocated emulated Target"
+ pr_debug("TCM_Loop_ConfigFS: Allocated emulated Target"
" %s Address: %s at Linux/SCSI Host ID: %d\n",
tcm_loop_dump_proto_id(tl_hba), name, sh->host_no);
@@ -1367,7 +1337,7 @@ void tcm_loop_drop_scsi_hba(
*/
device_unregister(&tl_hba->dev);
- printk(KERN_INFO "TCM_Loop_ConfigFS: Deallocated emulated Target"
+ pr_debug("TCM_Loop_ConfigFS: Deallocated emulated Target"
" SAS Address: %s at Linux/SCSI Host ID: %d\n",
config_item_name(&wwn->wwn_group.cg_item), host_no);
}
@@ -1402,9 +1372,9 @@ static int tcm_loop_register_configfs(void)
* Register the top level struct config_item_type with TCM core
*/
fabric = target_fabric_configfs_init(THIS_MODULE, "loopback");
- if (!fabric) {
- printk(KERN_ERR "tcm_loop_register_configfs() failed!\n");
- return -1;
+ if (IS_ERR(fabric)) {
+ pr_err("tcm_loop_register_configfs() failed!\n");
+ return PTR_ERR(fabric);
}
/*
* Setup the fabric API of function pointers used by target_core_mod
@@ -1436,19 +1406,11 @@ static int tcm_loop_register_configfs(void)
&tcm_loop_tpg_release_fabric_acl;
fabric->tf_ops.tpg_get_inst_index = &tcm_loop_get_inst_index;
/*
- * Since tcm_loop is mapping physical memory from Linux/SCSI
- * struct scatterlist arrays for each struct scsi_cmnd I/O,
- * we do not need TCM to allocate a iovec array for
- * virtual memory address mappings
- */
- fabric->tf_ops.alloc_cmd_iovecs = NULL;
- /*
* Used for setting up remaining TCM resources in process context
*/
fabric->tf_ops.new_cmd_map = &tcm_loop_new_cmd_map;
fabric->tf_ops.check_stop_free = &tcm_loop_check_stop_free;
- fabric->tf_ops.release_cmd_to_pool = &tcm_loop_deallocate_core_cmd;
- fabric->tf_ops.release_cmd_direct = &tcm_loop_deallocate_core_cmd;
+ fabric->tf_ops.release_cmd = &tcm_loop_release_cmd;
fabric->tf_ops.shutdown_session = &tcm_loop_shutdown_session;
fabric->tf_ops.close_session = &tcm_loop_close_session;
fabric->tf_ops.stop_session = &tcm_loop_stop_session;
@@ -1465,7 +1427,6 @@ static int tcm_loop_register_configfs(void)
&tcm_loop_set_default_node_attributes;
fabric->tf_ops.get_task_tag = &tcm_loop_get_task_tag;
fabric->tf_ops.get_cmd_state = &tcm_loop_get_cmd_state;
- fabric->tf_ops.new_cmd_failure = &tcm_loop_new_cmd_failure;
fabric->tf_ops.queue_data_in = &tcm_loop_queue_data_in;
fabric->tf_ops.queue_status = &tcm_loop_queue_status;
fabric->tf_ops.queue_tm_rsp = &tcm_loop_queue_tm_rsp;
@@ -1503,7 +1464,7 @@ static int tcm_loop_register_configfs(void)
*/
ret = target_fabric_configfs_register(fabric);
if (ret < 0) {
- printk(KERN_ERR "target_fabric_configfs_register() for"
+ pr_err("target_fabric_configfs_register() for"
" TCM_Loop failed!\n");
target_fabric_configfs_free(fabric);
return -1;
@@ -1512,7 +1473,7 @@ static int tcm_loop_register_configfs(void)
* Setup our local pointer to *fabric.
*/
tcm_loop_fabric_configfs = fabric;
- printk(KERN_INFO "TCM_LOOP[0] - Set fabric ->"
+ pr_debug("TCM_LOOP[0] - Set fabric ->"
" tcm_loop_fabric_configfs\n");
return 0;
}
@@ -1524,7 +1485,7 @@ static void tcm_loop_deregister_configfs(void)
target_fabric_configfs_deregister(tcm_loop_fabric_configfs);
tcm_loop_fabric_configfs = NULL;
- printk(KERN_INFO "TCM_LOOP[0] - Cleared"
+ pr_debug("TCM_LOOP[0] - Cleared"
" tcm_loop_fabric_configfs\n");
}
@@ -1537,7 +1498,7 @@ static int __init tcm_loop_fabric_init(void)
__alignof__(struct tcm_loop_cmd),
0, NULL);
if (!tcm_loop_cmd_cache) {
- printk(KERN_ERR "kmem_cache_create() for"
+ pr_debug("kmem_cache_create() for"
" tcm_loop_cmd_cache failed\n");
return -ENOMEM;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-23 14:56:36 +0300