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scsi: target: qla2xxx: Replace enable attr with ops.enable

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Remove tpg/enable attribute. Add fabric ops enable_tpg implementation
instead.

Link: https://lore.kernel.org/r/20210910084133.17956-4-d.bogdanov@yadro.com
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Dmitry Bogdanov 2021-09-10 11:41:29 +03:00 committed by Martin K. Petersen
parent 382731ec01
commit cb8717a720
1 changed files with 12 additions and 61 deletions
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73
drivers/scsi/qla2xxx/tcm_qla2xxx.c
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@ -915,40 +915,17 @@ static struct configfs_attribute *tcm_qla2xxx_tpg_attrib_attrs[] = {
/* End items for tcm_qla2xxx_tpg_attrib_cit */
static ssize_t tcm_qla2xxx_tpg_enable_show(struct config_item *item,
char *page)
static int tcm_qla2xxx_enable_tpg(struct se_portal_group *se_tpg,
bool enable)
{
struct se_portal_group *se_tpg = to_tpg(item);
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
struct tcm_qla2xxx_tpg, se_tpg);
return snprintf(page, PAGE_SIZE, "%d\n",
atomic_read(&tpg->lport_tpg_enabled));
}
static ssize_t tcm_qla2xxx_tpg_enable_store(struct config_item *item,
const char *page, size_t count)
{
struct se_portal_group *se_tpg = to_tpg(item);
struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
struct tcm_qla2xxx_lport, lport_wwn);
struct scsi_qla_host *vha = lport->qla_vha;
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
struct tcm_qla2xxx_tpg, se_tpg);
unsigned long op;
int rc;
rc = kstrtoul(page, 0, &op);
if (rc < 0) {
pr_err("kstrtoul() returned %d\n", rc);
return -EINVAL;
}
if ((op != 1) && (op != 0)) {
pr_err("Illegal value for tpg_enable: %lu\n", op);
return -EINVAL;
}
if (op) {
if (enable) {
if (atomic_read(&tpg->lport_tpg_enabled))
return -EEXIST;
@ -956,14 +933,14 @@ static ssize_t tcm_qla2xxx_tpg_enable_store(struct config_item *item,
qlt_enable_vha(vha);
} else {
if (!atomic_read(&tpg->lport_tpg_enabled))
return count;
return 0;
atomic_set(&tpg->lport_tpg_enabled, 0);
qlt_stop_phase1(vha->vha_tgt.qla_tgt);
qlt_stop_phase2(vha->vha_tgt.qla_tgt);
}
return count;
return 0;
}
static ssize_t tcm_qla2xxx_tpg_dynamic_sessions_show(struct config_item *item,
@ -1004,12 +981,10 @@ static ssize_t tcm_qla2xxx_tpg_fabric_prot_type_show(struct config_item *item,
return sprintf(page, "%d\n", tpg->tpg_attrib.fabric_prot_type);
}
CONFIGFS_ATTR(tcm_qla2xxx_tpg_, enable);
CONFIGFS_ATTR_RO(tcm_qla2xxx_tpg_, dynamic_sessions);
CONFIGFS_ATTR(tcm_qla2xxx_tpg_, fabric_prot_type);
static struct configfs_attribute *tcm_qla2xxx_tpg_attrs[] = {
&tcm_qla2xxx_tpg_attr_enable,
&tcm_qla2xxx_tpg_attr_dynamic_sessions,
&tcm_qla2xxx_tpg_attr_fabric_prot_type,
NULL,
@ -1083,35 +1058,17 @@ static void tcm_qla2xxx_drop_tpg(struct se_portal_group *se_tpg)
kfree(tpg);
}
static ssize_t tcm_qla2xxx_npiv_tpg_enable_show(struct config_item *item,
char *page)
static int tcm_qla2xxx_npiv_enable_tpg(struct se_portal_group *se_tpg,
bool enable)
{
return tcm_qla2xxx_tpg_enable_show(item, page);
}
static ssize_t tcm_qla2xxx_npiv_tpg_enable_store(struct config_item *item,
const char *page, size_t count)
{
struct se_portal_group *se_tpg = to_tpg(item);
struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
struct tcm_qla2xxx_lport, lport_wwn);
struct scsi_qla_host *vha = lport->qla_vha;
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
struct tcm_qla2xxx_tpg, se_tpg);
unsigned long op;
int rc;
rc = kstrtoul(page, 0, &op);
if (rc < 0) {
pr_err("kstrtoul() returned %d\n", rc);
return -EINVAL;
}
if ((op != 1) && (op != 0)) {
pr_err("Illegal value for tpg_enable: %lu\n", op);
return -EINVAL;
}
if (op) {
if (enable) {
if (atomic_read(&tpg->lport_tpg_enabled))
return -EEXIST;
@ -1119,23 +1076,16 @@ static ssize_t tcm_qla2xxx_npiv_tpg_enable_store(struct config_item *item,
qlt_enable_vha(vha);
} else {
if (!atomic_read(&tpg->lport_tpg_enabled))
return count;
return 0;
atomic_set(&tpg->lport_tpg_enabled, 0);
qlt_stop_phase1(vha->vha_tgt.qla_tgt);
qlt_stop_phase2(vha->vha_tgt.qla_tgt);
}
return count;
return 0;
}
CONFIGFS_ATTR(tcm_qla2xxx_npiv_tpg_, enable);
static struct configfs_attribute *tcm_qla2xxx_npiv_tpg_attrs[] = {
&tcm_qla2xxx_npiv_tpg_attr_enable,
NULL,
};
static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(struct se_wwn *wwn,
const char *name)
{
@ -1878,6 +1828,7 @@ static const struct target_core_fabric_ops tcm_qla2xxx_ops = {
.fabric_make_wwn = tcm_qla2xxx_make_lport,
.fabric_drop_wwn = tcm_qla2xxx_drop_lport,
.fabric_make_tpg = tcm_qla2xxx_make_tpg,
.fabric_enable_tpg = tcm_qla2xxx_enable_tpg,
.fabric_drop_tpg = tcm_qla2xxx_drop_tpg,
.fabric_init_nodeacl = tcm_qla2xxx_init_nodeacl,
@ -1918,11 +1869,11 @@ static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.fabric_make_wwn = tcm_qla2xxx_npiv_make_lport,
.fabric_drop_wwn = tcm_qla2xxx_npiv_drop_lport,
.fabric_make_tpg = tcm_qla2xxx_npiv_make_tpg,
.fabric_enable_tpg = tcm_qla2xxx_npiv_enable_tpg,
.fabric_drop_tpg = tcm_qla2xxx_drop_tpg,
.fabric_init_nodeacl = tcm_qla2xxx_init_nodeacl,
.tfc_wwn_attrs = tcm_qla2xxx_wwn_attrs,
.tfc_tpg_base_attrs = tcm_qla2xxx_npiv_tpg_attrs,
};
static int tcm_qla2xxx_register_configfs(void)