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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

Browse source 
Pull SCSI target updates from Nicholas Bellinger:
 "Lots of activity in target land the last months.

  The highlights include:

   - Convert fabric drivers tree-wide to target_register_template() (hch
     + bart)

   - iser-target hardening fixes + v1.0 improvements (sagi)

   - Convert iscsi_thread_set usage to kthread.h + kill
     iscsi_target_tq.c (sagi + nab)

   - Add support for T10-PI WRITE_STRIP + READ_INSERT operation (mkp +
     sagi + nab)

   - DIF fixes for CONFIG_DEBUG_SG=y + UNMAP file emulation (akinobu +
     sagi + mkp)

   - Extended TCMU ABI v2 for future BIDI + DIF support (andy + ilias)

   - Fix COMPARE_AND_WRITE handling for NO_ALLLOC drivers (hch + nab)

  Thanks to everyone who contributed this round with new features,
  bug-reports, fixes, cleanups and improvements.

  Looking forward, it's currently shaping up to be a busy v4.2 as well"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (69 commits)
  target: Put TCMU under a new config option
  target: Version 2 of TCMU ABI
  target: fix tcm_mod_builder.py
  target/file: Fix UNMAP with DIF protection support
  target/file: Fix SG table for prot_buf initialization
  target/file: Fix BUG() when CONFIG_DEBUG_SG=y and DIF protection enabled
  target: Make core_tmr_abort_task() skip TMFs
  target/sbc: Update sbc_dif_generate pr_debug output
  target/sbc: Make internal DIF emulation honor ->prot_checks
  target/sbc: Return INVALID_CDB_FIELD if DIF + sess_prot_type disabled
  target: Ensure sess_prot_type is saved across session restart
  target/rd: Don't pass incomplete scatterlist entries to sbc_dif_verify_*
  target: Remove the unused flag SCF_ACK_KREF
  target: Fix two sparse warnings
  target: Fix COMPARE_AND_WRITE with SG_TO_MEM_NOALLOC handling
  target: simplify the target template registration API
  target: simplify target_xcopy_init_pt_lun
  target: remove the unused SCF_CMD_XCOPY_PASSTHROUGH flag
  target/rd: reduce code duplication in rd_execute_rw()
  tcm_loop: fixup tpgt string to integer conversion
  ...
This commit is contained in:
Linus Torvalds 2015-04-24 10:22:09 -07:00
commit c6668726d2
50 changed files with 1687 additions and 2273 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/scsi/qla2xxx/qla_target.c
View file

@ -3065,7 +3065,7 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle,
{
struct qla_hw_data *ha = vha->hw;
struct se_cmd *se_cmd;
struct target_core_fabric_ops *tfo;
const struct target_core_fabric_ops *tfo;
struct qla_tgt_cmd *cmd;
if (handle & CTIO_INTERMEDIATE_HANDLE_MARK) {

176
drivers/scsi/qla2xxx/tcm_qla2xxx.c
View file

@ -53,9 +53,8 @@
static struct workqueue_struct *tcm_qla2xxx_free_wq;
static struct workqueue_struct *tcm_qla2xxx_cmd_wq;
/* Local pointer to allocated TCM configfs fabric module */
static struct target_fabric_configfs *tcm_qla2xxx_fabric_configfs;
static struct target_fabric_configfs *tcm_qla2xxx_npiv_fabric_configfs;
static const struct target_core_fabric_ops tcm_qla2xxx_ops;
static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops;
/*
* Parse WWN.
@ -336,6 +335,14 @@ static int tcm_qla2xxx_check_demo_mode_login_only(struct se_portal_group *se_tpg
return tpg->tpg_attrib.demo_mode_login_only;
}
static int tcm_qla2xxx_check_prot_fabric_only(struct se_portal_group *se_tpg)
{
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
struct tcm_qla2xxx_tpg, se_tpg);
return tpg->tpg_attrib.fabric_prot_type;
}
static struct se_node_acl *tcm_qla2xxx_alloc_fabric_acl(
struct se_portal_group *se_tpg)
{
@ -1082,8 +1089,53 @@ static ssize_t tcm_qla2xxx_tpg_store_enable(
TF_TPG_BASE_ATTR(tcm_qla2xxx, enable, S_IRUGO | S_IWUSR);
static ssize_t tcm_qla2xxx_tpg_show_dynamic_sessions(
struct se_portal_group *se_tpg,
char *page)
{
return target_show_dynamic_sessions(se_tpg, page);
}
TF_TPG_BASE_ATTR_RO(tcm_qla2xxx, dynamic_sessions);
static ssize_t tcm_qla2xxx_tpg_store_fabric_prot_type(
struct se_portal_group *se_tpg,
const char *page,
size_t count)
{
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
struct tcm_qla2xxx_tpg, se_tpg);
unsigned long val;
int ret = kstrtoul(page, 0, &val);
if (ret) {
pr_err("kstrtoul() returned %d for fabric_prot_type\n", ret);
return ret;
}
if (val != 0 && val != 1 && val != 3) {
pr_err("Invalid qla2xxx fabric_prot_type: %lu\n", val);
return -EINVAL;
}
tpg->tpg_attrib.fabric_prot_type = val;
return count;
}
static ssize_t tcm_qla2xxx_tpg_show_fabric_prot_type(
struct se_portal_group *se_tpg,
char *page)
{
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
struct tcm_qla2xxx_tpg, se_tpg);
return sprintf(page, "%d\n", tpg->tpg_attrib.fabric_prot_type);
}
TF_TPG_BASE_ATTR(tcm_qla2xxx, fabric_prot_type, S_IRUGO | S_IWUSR);
static struct configfs_attribute *tcm_qla2xxx_tpg_attrs[] = {
&tcm_qla2xxx_tpg_enable.attr,
&tcm_qla2xxx_tpg_dynamic_sessions.attr,
&tcm_qla2xxx_tpg_fabric_prot_type.attr,
NULL,
};
@ -1124,7 +1176,7 @@ static struct se_portal_group *tcm_qla2xxx_make_tpg(
tpg->tpg_attrib.cache_dynamic_acls = 1;
tpg->tpg_attrib.demo_mode_login_only = 1;
ret = core_tpg_register(&tcm_qla2xxx_fabric_configfs->tf_ops, wwn,
ret = core_tpg_register(&tcm_qla2xxx_ops, wwn,
&tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
if (ret < 0) {
kfree(tpg);
@ -1244,7 +1296,7 @@ static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(
tpg->tpg_attrib.cache_dynamic_acls = 1;
tpg->tpg_attrib.demo_mode_login_only = 1;
ret = core_tpg_register(&tcm_qla2xxx_npiv_fabric_configfs->tf_ops, wwn,
ret = core_tpg_register(&tcm_qla2xxx_npiv_ops, wwn,
&tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
if (ret < 0) {
kfree(tpg);
@ -1560,7 +1612,7 @@ static int tcm_qla2xxx_check_initiator_node_acl(
se_sess = transport_init_session_tags(num_tags,
sizeof(struct qla_tgt_cmd),
TARGET_PROT_NORMAL);
TARGET_PROT_ALL);
if (IS_ERR(se_sess)) {
pr_err("Unable to initialize struct se_session\n");
return PTR_ERR(se_sess);
@ -1934,7 +1986,9 @@ static struct configfs_attribute *tcm_qla2xxx_wwn_attrs[] = {
NULL,
};
static struct target_core_fabric_ops tcm_qla2xxx_ops = {
static const struct target_core_fabric_ops tcm_qla2xxx_ops = {
.module = THIS_MODULE,
.name = "qla2xxx",
.get_fabric_name = tcm_qla2xxx_get_fabric_name,
.get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
@ -1949,6 +2003,7 @@ static struct target_core_fabric_ops tcm_qla2xxx_ops = {
tcm_qla2xxx_check_demo_write_protect,
.tpg_check_prod_mode_write_protect =
tcm_qla2xxx_check_prod_write_protect,
.tpg_check_prot_fabric_only = tcm_qla2xxx_check_prot_fabric_only,
.tpg_check_demo_mode_login_only = tcm_qla2xxx_check_demo_mode_login_only,
.tpg_alloc_fabric_acl = tcm_qla2xxx_alloc_fabric_acl,
.tpg_release_fabric_acl = tcm_qla2xxx_release_fabric_acl,
@ -1983,9 +2038,15 @@ static struct target_core_fabric_ops tcm_qla2xxx_ops = {
.fabric_drop_np = NULL,
.fabric_make_nodeacl = tcm_qla2xxx_make_nodeacl,
.fabric_drop_nodeacl = tcm_qla2xxx_drop_nodeacl,
.tfc_wwn_attrs = tcm_qla2xxx_wwn_attrs,
.tfc_tpg_base_attrs = tcm_qla2xxx_tpg_attrs,
.tfc_tpg_attrib_attrs = tcm_qla2xxx_tpg_attrib_attrs,
};
static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.module = THIS_MODULE,
.name = "qla2xxx_npiv",
.get_fabric_name = tcm_qla2xxx_npiv_get_fabric_name,
.get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
@ -2033,94 +2094,26 @@ static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.fabric_drop_np = NULL,
.fabric_make_nodeacl = tcm_qla2xxx_make_nodeacl,
.fabric_drop_nodeacl = tcm_qla2xxx_drop_nodeacl,
.tfc_wwn_attrs = tcm_qla2xxx_wwn_attrs,
.tfc_tpg_base_attrs = tcm_qla2xxx_npiv_tpg_attrs,
};
static int tcm_qla2xxx_register_configfs(void)
{
struct target_fabric_configfs *fabric, *npiv_fabric;
int ret;
pr_debug("TCM QLOGIC QLA2XXX fabric module %s on %s/%s on "
UTS_RELEASE"\n", TCM_QLA2XXX_VERSION, utsname()->sysname,
utsname()->machine);
/*
* Register the top level struct config_item_type with TCM core
*/
fabric = target_fabric_configfs_init(THIS_MODULE, "qla2xxx");
if (IS_ERR(fabric)) {
pr_err("target_fabric_configfs_init() failed\n");
return PTR_ERR(fabric);
}
/*
* Setup fabric->tf_ops from our local tcm_qla2xxx_ops
*/
fabric->tf_ops = tcm_qla2xxx_ops;
/*
* Setup default attribute lists for various fabric->tf_cit_tmpl
*/
fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = tcm_qla2xxx_wwn_attrs;
fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = tcm_qla2xxx_tpg_attrs;
fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs =
tcm_qla2xxx_tpg_attrib_attrs;
fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = NULL;
/*
* Register the fabric for use within TCM
*/
ret = target_fabric_configfs_register(fabric);
if (ret < 0) {
pr_err("target_fabric_configfs_register() failed for TCM_QLA2XXX\n");
return ret;
}
/*
* Setup our local pointer to *fabric
*/
tcm_qla2xxx_fabric_configfs = fabric;
pr_debug("TCM_QLA2XXX[0] - Set fabric -> tcm_qla2xxx_fabric_configfs\n");
/*
* Register the top level struct config_item_type for NPIV with TCM core
*/
npiv_fabric = target_fabric_configfs_init(THIS_MODULE, "qla2xxx_npiv");
if (IS_ERR(npiv_fabric)) {
pr_err("target_fabric_configfs_init() failed\n");
ret = PTR_ERR(npiv_fabric);
ret = target_register_template(&tcm_qla2xxx_ops);
if (ret)
return ret;
ret = target_register_template(&tcm_qla2xxx_npiv_ops);
if (ret)
goto out_fabric;
}
/*
* Setup fabric->tf_ops from our local tcm_qla2xxx_npiv_ops
*/
npiv_fabric->tf_ops = tcm_qla2xxx_npiv_ops;
/*
* Setup default attribute lists for various npiv_fabric->tf_cit_tmpl
*/
npiv_fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = tcm_qla2xxx_wwn_attrs;
npiv_fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs =
tcm_qla2xxx_npiv_tpg_attrs;
npiv_fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = NULL;
/*
* Register the npiv_fabric for use within TCM
*/
ret = target_fabric_configfs_register(npiv_fabric);
if (ret < 0) {
pr_err("target_fabric_configfs_register() failed for TCM_QLA2XXX\n");
goto out_fabric;
}
/*
* Setup our local pointer to *npiv_fabric
*/
tcm_qla2xxx_npiv_fabric_configfs = npiv_fabric;
pr_debug("TCM_QLA2XXX[0] - Set fabric -> tcm_qla2xxx_npiv_fabric_configfs\n");
tcm_qla2xxx_free_wq = alloc_workqueue("tcm_qla2xxx_free",
WQ_MEM_RECLAIM, 0);
@ -2140,9 +2133,9 @@ static int tcm_qla2xxx_register_configfs(void)
out_free_wq:
destroy_workqueue(tcm_qla2xxx_free_wq);
out_fabric_npiv:
target_fabric_configfs_deregister(tcm_qla2xxx_npiv_fabric_configfs);
target_unregister_template(&tcm_qla2xxx_npiv_ops);
out_fabric:
target_fabric_configfs_deregister(tcm_qla2xxx_fabric_configfs);
target_unregister_template(&tcm_qla2xxx_ops);
return ret;
}
@ -2151,13 +2144,8 @@ static void tcm_qla2xxx_deregister_configfs(void)
destroy_workqueue(tcm_qla2xxx_cmd_wq);
destroy_workqueue(tcm_qla2xxx_free_wq);
target_fabric_configfs_deregister(tcm_qla2xxx_fabric_configfs);
tcm_qla2xxx_fabric_configfs = NULL;
pr_debug("TCM_QLA2XXX[0] - Cleared tcm_qla2xxx_fabric_configfs\n");
target_fabric_configfs_deregister(tcm_qla2xxx_npiv_fabric_configfs);
tcm_qla2xxx_npiv_fabric_configfs = NULL;
pr_debug("TCM_QLA2XXX[0] - Cleared tcm_qla2xxx_npiv_fabric_configfs\n");
target_unregister_template(&tcm_qla2xxx_ops);
target_unregister_template(&tcm_qla2xxx_npiv_ops);
}
static int __init tcm_qla2xxx_init(void)

1
drivers/scsi/qla2xxx/tcm_qla2xxx.h
View file

@ -33,6 +33,7 @@ struct tcm_qla2xxx_tpg_attrib {
int demo_mode_write_protect;
int prod_mode_write_protect;
int demo_mode_login_only;
int fabric_prot_type;
};
struct tcm_qla2xxx_tpg {