[SCSI] qla2xxx: add support for NPIV
Following patch adds support for NPIV (N-Port ID Virtualization) to the
qla2xxx.
- supported within switched-fabric topologies only.
- supports up to 63 virtual ports on each physical port.
Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 2a45aec..bd95f7d 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -899,6 +899,10 @@
&ha->fw_subminor_version,
&ha->fw_attributes, &ha->fw_memory_size);
qla2x00_resize_request_q(ha);
+ ha->flags.npiv_supported = 0;
+ if (IS_QLA24XX(ha) &&
+ (ha->fw_attributes & BIT_2))
+ ha->flags.npiv_supported = 1;
if (ql2xallocfwdump)
qla2x00_alloc_fw_dump(ha);
@@ -1101,6 +1105,8 @@
int rval;
unsigned long flags = 0;
int cnt;
+ struct mid_init_cb_24xx *mid_init_cb =
+ (struct mid_init_cb_24xx *) ha->init_cb;
spin_lock_irqsave(&ha->hardware_lock, flags);
@@ -1132,6 +1138,10 @@
ha->isp_ops.update_fw_options(ha);
DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
+
+ mid_init_cb->count = MAX_NUM_VPORT_FABRIC;
+ ha->max_npiv_vports = MAX_NUM_VPORT_FABRIC;
+
rval = qla2x00_init_firmware(ha, ha->init_cb_size);
if (rval) {
DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
@@ -1263,6 +1273,7 @@
int rval;
uint16_t loop_id;
uint16_t topo;
+ uint16_t sw_cap;
uint8_t al_pa;
uint8_t area;
uint8_t domain;
@@ -1270,7 +1281,7 @@
/* Get host addresses. */
rval = qla2x00_get_adapter_id(ha,
- &loop_id, &al_pa, &area, &domain, &topo);
+ &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
if (rval != QLA_SUCCESS) {
if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
(rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
@@ -1295,6 +1306,7 @@
/* initialize */
ha->min_external_loopid = SNS_FIRST_LOOP_ID;
ha->operating_mode = LOOP;
+ ha->switch_cap = 0;
switch (topo) {
case 0:
@@ -1307,6 +1319,7 @@
case 1:
DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
ha->host_no));
+ ha->switch_cap = sw_cap;
ha->current_topology = ISP_CFG_FL;
strcpy(connect_type, "(FL_Port)");
break;
@@ -1322,6 +1335,7 @@
case 3:
DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
ha->host_no));
+ ha->switch_cap = sw_cap;
ha->operating_mode = P2P;
ha->current_topology = ISP_CFG_F;
strcpy(connect_type, "(F_Port)");
@@ -1743,7 +1757,6 @@
spin_unlock_irqrestore(&fcport->rport_lock, flags);
if (rport)
fc_remote_port_delete(rport);
-
}
/**
@@ -1765,6 +1778,7 @@
/* Setup fcport template structure. */
memset(fcport, 0, sizeof (fc_port_t));
fcport->ha = ha;
+ fcport->vp_idx = ha->vp_idx;
fcport->port_type = FCT_UNKNOWN;
fcport->loop_id = FC_NO_LOOP_ID;
atomic_set(&fcport->state, FCS_UNCONFIGURED);
@@ -1911,6 +1925,7 @@
char *id_iter;
uint16_t loop_id;
uint8_t domain, area, al_pa;
+ scsi_qla_host_t *pha = to_qla_parent(ha);
found_devs = 0;
new_fcport = NULL;
@@ -1942,7 +1957,10 @@
/*
* Mark local devices that were present with FCF_DEVICE_LOST for now.
*/
- list_for_each_entry(fcport, &ha->fcports, list) {
+ list_for_each_entry(fcport, &pha->fcports, list) {
+ if (fcport->vp_idx != ha->vp_idx)
+ continue;
+
if (atomic_read(&fcport->state) == FCS_ONLINE &&
fcport->port_type != FCT_BROADCAST &&
(fcport->flags & FCF_FABRIC_DEVICE) == 0) {
@@ -1988,6 +2006,7 @@
new_fcport->d_id.b.area = area;
new_fcport->d_id.b.al_pa = al_pa;
new_fcport->loop_id = loop_id;
+ new_fcport->vp_idx = ha->vp_idx;
rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
if (rval2 != QLA_SUCCESS) {
DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
@@ -2003,7 +2022,10 @@
/* Check for matching device in port list. */
found = 0;
fcport = NULL;
- list_for_each_entry(fcport, &ha->fcports, list) {
+ list_for_each_entry(fcport, &pha->fcports, list) {
+ if (fcport->vp_idx != ha->vp_idx)
+ continue;
+
if (memcmp(new_fcport->port_name, fcport->port_name,
WWN_SIZE))
continue;
@@ -2023,7 +2045,13 @@
if (!found) {
/* New device, add to fcports list. */
new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
- list_add_tail(&new_fcport->list, &ha->fcports);
+ if (ha->parent) {
+ new_fcport->ha = ha;
+ new_fcport->vp_idx = ha->vp_idx;
+ list_add_tail(&new_fcport->vp_fcport,
+ &ha->vp_fcports);
+ }
+ list_add_tail(&new_fcport->list, &pha->fcports);
/* Allocate a new replacement fcport. */
fcport = new_fcport;
@@ -2199,11 +2227,13 @@
void
qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
{
+ scsi_qla_host_t *pha = to_qla_parent(ha);
+
fcport->ha = ha;
fcport->login_retry = 0;
- fcport->port_login_retry_count = ha->port_down_retry_count *
+ fcport->port_login_retry_count = pha->port_down_retry_count *
PORT_RETRY_TIME;
- atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
+ atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
PORT_RETRY_TIME);
fcport->flags &= ~FCF_LOGIN_NEEDED;
@@ -2234,6 +2264,7 @@
uint16_t mb[MAILBOX_REGISTER_COUNT];
uint16_t loop_id;
LIST_HEAD(new_fcports);
+ scsi_qla_host_t *pha = to_qla_parent(ha);
/* If FL port exists, then SNS is present */
if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
@@ -2307,7 +2338,10 @@
* Logout all previous fabric devices marked lost, except
* tape devices.
*/
- list_for_each_entry(fcport, &ha->fcports, list) {
+ list_for_each_entry(fcport, &pha->fcports, list) {
+ if (fcport->vp_idx !=ha->vp_idx)
+ continue;
+
if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
break;
@@ -2332,13 +2366,16 @@
}
/* Starting free loop ID. */
- next_loopid = ha->min_external_loopid;
+ next_loopid = pha->min_external_loopid;
/*
* Scan through our port list and login entries that need to be
* logged in.
*/
- list_for_each_entry(fcport, &ha->fcports, list) {
+ list_for_each_entry(fcport, &pha->fcports, list) {
+ if (fcport->vp_idx != ha->vp_idx)
+ continue;
+
if (atomic_read(&ha->loop_down_timer) ||
test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
break;
@@ -2380,11 +2417,18 @@
break;
}
- /* Remove device from the new list and add it to DB */
- list_move_tail(&fcport->list, &ha->fcports);
-
/* Login and update database */
qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
+
+ if (ha->parent) {
+ fcport->ha = ha;
+ fcport->vp_idx = ha->vp_idx;
+ list_add_tail(&fcport->vp_fcport,
+ &ha->vp_fcports);
+ list_move_tail(&fcport->list,
+ &ha->parent->fcports);
+ } else
+ list_move_tail(&fcport->list, &ha->fcports);
}
} while (0);
@@ -2428,6 +2472,11 @@
int swl_idx;
int first_dev, last_dev;
port_id_t wrap, nxt_d_id;
+ int vp_index;
+ int empty_vp_index;
+ int found_vp;
+ scsi_qla_host_t *vha;
+ scsi_qla_host_t *pha = to_qla_parent(ha);
rval = QLA_SUCCESS;
@@ -2461,13 +2510,13 @@
return (QLA_MEMORY_ALLOC_FAILED);
}
new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
-
+ new_fcport->vp_idx = ha->vp_idx;
/* Set start port ID scan at adapter ID. */
first_dev = 1;
last_dev = 0;
/* Starting free loop ID. */
- loop_id = ha->min_external_loopid;
+ loop_id = pha->min_external_loopid;
for (; loop_id <= ha->last_loop_id; loop_id++) {
if (qla2x00_is_reserved_id(ha, loop_id))
continue;
@@ -2521,10 +2570,42 @@
break;
}
- /* Bypass if host adapter. */
- if (new_fcport->d_id.b24 == ha->d_id.b24)
+ /* Bypass if same physical adapter. */
+ if (new_fcport->d_id.b24 == pha->d_id.b24)
continue;
+ /* Bypass virtual ports of the same host. */
+ if (pha->num_vhosts) {
+ vp_index = find_next_bit(
+ (unsigned long *)pha->vp_idx_map,
+ MAX_MULTI_ID_FABRIC + 1, 1);
+
+ for (;vp_index <= MAX_MULTI_ID_FABRIC;
+ vp_index = find_next_bit(
+ (unsigned long *)pha->vp_idx_map,
+ MAX_MULTI_ID_FABRIC + 1, vp_index + 1)) {
+ empty_vp_index = 1;
+ found_vp = 0;
+ list_for_each_entry(vha, &pha->vp_list,
+ vp_list) {
+ if (vp_index == vha->vp_idx) {
+ empty_vp_index = 0;
+ found_vp = 1;
+ break;
+ }
+ }
+
+ if (empty_vp_index)
+ continue;
+
+ if (found_vp &&
+ new_fcport->d_id.b24 == vha->d_id.b24)
+ break;
+ }
+ if (vp_index <= MAX_MULTI_ID_FABRIC)
+ continue;
+ }
+
/* Bypass if same domain and area of adapter. */
if (((new_fcport->d_id.b24 & 0xffff00) ==
(ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
@@ -2537,7 +2618,9 @@
/* Locate matching device in database. */
found = 0;
- list_for_each_entry(fcport, &ha->fcports, list) {
+ list_for_each_entry(fcport, &pha->fcports, list) {
+ if (new_fcport->vp_idx != fcport->vp_idx)
+ continue;
if (memcmp(new_fcport->port_name, fcport->port_name,
WWN_SIZE))
continue;
@@ -2605,6 +2688,7 @@
}
new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
new_fcport->d_id.b24 = nxt_d_id.b24;
+ new_fcport->vp_idx = ha->vp_idx;
}
kfree(swl);
@@ -2637,6 +2721,7 @@
int found;
fc_port_t *fcport;
uint16_t first_loop_id;
+ scsi_qla_host_t *pha = to_qla_parent(ha);
rval = QLA_SUCCESS;
@@ -2663,7 +2748,7 @@
/* Check for loop ID being already in use. */
found = 0;
fcport = NULL;
- list_for_each_entry(fcport, &ha->fcports, list) {
+ list_for_each_entry(fcport, &pha->fcports, list) {
if (fcport->loop_id == dev->loop_id && fcport != dev) {
/* ID possibly in use */
found++;
@@ -2710,6 +2795,7 @@
uint8_t rscn_out_iter;
uint8_t format;
port_id_t d_id;
+ scsi_qla_host_t *pha = to_qla_parent(ha);
rval = QLA_RSCNS_HANDLED;
@@ -2776,7 +2862,10 @@
rval = QLA_SUCCESS;
- list_for_each_entry(fcport, &ha->fcports, list) {
+ list_for_each_entry(fcport, &pha->fcports, list) {
+ if (fcport->vp_idx != ha->vp_idx)
+ continue;
+
if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
(fcport->d_id.b24 & mask) != d_id.b24 ||
fcport->port_type == FCT_BROADCAST)
@@ -3940,3 +4029,40 @@
ret = qla2x00_stop_firmware(ha);
}
}
+
+int
+qla24xx_configure_vhba(scsi_qla_host_t *ha)
+{
+ int rval = QLA_SUCCESS;
+ uint16_t mb[MAILBOX_REGISTER_COUNT];
+
+ if (!ha->parent)
+ return -EINVAL;
+
+ rval = qla2x00_fw_ready(ha);
+ if (rval == QLA_SUCCESS) {
+ clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
+ qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
+ }
+
+ ha->flags.management_server_logged_in = 0;
+
+ /* Login to SNS first */
+ qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
+ mb, BIT_1);
+ if (mb[0] != MBS_COMMAND_COMPLETE) {
+ DEBUG15(qla_printk(KERN_INFO, ha,
+ "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
+ "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
+ mb[0], mb[1], mb[2], mb[6], mb[7]));
+ return (QLA_FUNCTION_FAILED);
+ }
+
+ atomic_set(&ha->loop_down_timer, 0);
+ atomic_set(&ha->loop_state, LOOP_UP);
+ set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
+ set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
+ rval = qla2x00_loop_resync(ha);
+
+ return rval;
+}