mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-20 14:16:02 +00:00
![Nicholas Bellinger](/assets/img/avatar_default.png)
All other callers of qlt_update_vp_map() already hold ->vport_slock while updating the vp target map, so go ahead and add the missing ->vport_slock within qla24xx_disable_vp() code. Cc: Saurav Kashyap <saurav.kashyap@qlogic.com> Cc: Chad Dupuis <chad.dupuis@qlogic.com> Cc: Arun Easi <arun.easi@qlogic.com> Cc: Andrew Vasquez <andrew.vasquez@qlogic.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Roland Dreier <roland@purestorage.com> Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
844 lines
21 KiB
C
844 lines
21 KiB
C
/*
|
|
* QLogic Fibre Channel HBA Driver
|
|
* Copyright (c) 2003-2012 QLogic Corporation
|
|
*
|
|
* See LICENSE.qla2xxx for copyright and licensing details.
|
|
*/
|
|
#include "qla_def.h"
|
|
#include "qla_gbl.h"
|
|
#include "qla_target.h"
|
|
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/vmalloc.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/list.h>
|
|
|
|
#include <scsi/scsi_tcq.h>
|
|
#include <scsi/scsicam.h>
|
|
#include <linux/delay.h>
|
|
|
|
void
|
|
qla2x00_vp_stop_timer(scsi_qla_host_t *vha)
|
|
{
|
|
if (vha->vp_idx && vha->timer_active) {
|
|
del_timer_sync(&vha->timer);
|
|
vha->timer_active = 0;
|
|
}
|
|
}
|
|
|
|
static uint32_t
|
|
qla24xx_allocate_vp_id(scsi_qla_host_t *vha)
|
|
{
|
|
uint32_t vp_id;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
unsigned long flags;
|
|
|
|
/* Find an empty slot and assign an vp_id */
|
|
mutex_lock(&ha->vport_lock);
|
|
vp_id = find_first_zero_bit(ha->vp_idx_map, ha->max_npiv_vports + 1);
|
|
if (vp_id > ha->max_npiv_vports) {
|
|
ql_dbg(ql_dbg_vport, vha, 0xa000,
|
|
"vp_id %d is bigger than max-supported %d.\n",
|
|
vp_id, ha->max_npiv_vports);
|
|
mutex_unlock(&ha->vport_lock);
|
|
return vp_id;
|
|
}
|
|
|
|
set_bit(vp_id, ha->vp_idx_map);
|
|
ha->num_vhosts++;
|
|
vha->vp_idx = vp_id;
|
|
|
|
spin_lock_irqsave(&ha->vport_slock, flags);
|
|
list_add_tail(&vha->list, &ha->vp_list);
|
|
|
|
qlt_update_vp_map(vha, SET_VP_IDX);
|
|
|
|
spin_unlock_irqrestore(&ha->vport_slock, flags);
|
|
|
|
mutex_unlock(&ha->vport_lock);
|
|
return vp_id;
|
|
}
|
|
|
|
void
|
|
qla24xx_deallocate_vp_id(scsi_qla_host_t *vha)
|
|
{
|
|
uint16_t vp_id;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
unsigned long flags = 0;
|
|
|
|
mutex_lock(&ha->vport_lock);
|
|
/*
|
|
* Wait for all pending activities to finish before removing vport from
|
|
* the list.
|
|
* Lock needs to be held for safe removal from the list (it
|
|
* ensures no active vp_list traversal while the vport is removed
|
|
* from the queue)
|
|
*/
|
|
spin_lock_irqsave(&ha->vport_slock, flags);
|
|
while (atomic_read(&vha->vref_count)) {
|
|
spin_unlock_irqrestore(&ha->vport_slock, flags);
|
|
|
|
msleep(500);
|
|
|
|
spin_lock_irqsave(&ha->vport_slock, flags);
|
|
}
|
|
list_del(&vha->list);
|
|
qlt_update_vp_map(vha, RESET_VP_IDX);
|
|
spin_unlock_irqrestore(&ha->vport_slock, flags);
|
|
|
|
vp_id = vha->vp_idx;
|
|
ha->num_vhosts--;
|
|
clear_bit(vp_id, ha->vp_idx_map);
|
|
|
|
mutex_unlock(&ha->vport_lock);
|
|
}
|
|
|
|
static scsi_qla_host_t *
|
|
qla24xx_find_vhost_by_name(struct qla_hw_data *ha, uint8_t *port_name)
|
|
{
|
|
scsi_qla_host_t *vha;
|
|
struct scsi_qla_host *tvha;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ha->vport_slock, flags);
|
|
/* Locate matching device in database. */
|
|
list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) {
|
|
if (!memcmp(port_name, vha->port_name, WWN_SIZE)) {
|
|
spin_unlock_irqrestore(&ha->vport_slock, flags);
|
|
return vha;
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&ha->vport_slock, flags);
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* qla2x00_mark_vp_devices_dead
|
|
* Updates fcport state when device goes offline.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* fcport = port structure pointer.
|
|
*
|
|
* Return:
|
|
* None.
|
|
*
|
|
* Context:
|
|
*/
|
|
static void
|
|
qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha)
|
|
{
|
|
/*
|
|
* !!! NOTE !!!
|
|
* This function, if called in contexts other than vp create, disable
|
|
* or delete, please make sure this is synchronized with the
|
|
* delete thread.
|
|
*/
|
|
fc_port_t *fcport;
|
|
|
|
list_for_each_entry(fcport, &vha->vp_fcports, list) {
|
|
ql_dbg(ql_dbg_vport, vha, 0xa001,
|
|
"Marking port dead, loop_id=0x%04x : %x.\n",
|
|
fcport->loop_id, fcport->vha->vp_idx);
|
|
|
|
qla2x00_mark_device_lost(vha, fcport, 0, 0);
|
|
qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
|
|
}
|
|
}
|
|
|
|
int
|
|
qla24xx_disable_vp(scsi_qla_host_t *vha)
|
|
{
|
|
unsigned long flags;
|
|
int ret;
|
|
|
|
ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL);
|
|
atomic_set(&vha->loop_state, LOOP_DOWN);
|
|
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
|
|
|
|
/* Remove port id from vp target map */
|
|
spin_lock_irqsave(&vha->hw->vport_slock, flags);
|
|
qlt_update_vp_map(vha, RESET_AL_PA);
|
|
spin_unlock_irqrestore(&vha->hw->vport_slock, flags);
|
|
|
|
qla2x00_mark_vp_devices_dead(vha);
|
|
atomic_set(&vha->vp_state, VP_FAILED);
|
|
vha->flags.management_server_logged_in = 0;
|
|
if (ret == QLA_SUCCESS) {
|
|
fc_vport_set_state(vha->fc_vport, FC_VPORT_DISABLED);
|
|
} else {
|
|
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
qla24xx_enable_vp(scsi_qla_host_t *vha)
|
|
{
|
|
int ret;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
|
|
|
|
/* Check if physical ha port is Up */
|
|
if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
|
|
atomic_read(&base_vha->loop_state) == LOOP_DEAD ||
|
|
!(ha->current_topology & ISP_CFG_F)) {
|
|
vha->vp_err_state = VP_ERR_PORTDWN;
|
|
fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN);
|
|
goto enable_failed;
|
|
}
|
|
|
|
/* Initialize the new vport unless it is a persistent port */
|
|
mutex_lock(&ha->vport_lock);
|
|
ret = qla24xx_modify_vp_config(vha);
|
|
mutex_unlock(&ha->vport_lock);
|
|
|
|
if (ret != QLA_SUCCESS) {
|
|
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
|
|
goto enable_failed;
|
|
}
|
|
|
|
ql_dbg(ql_dbg_taskm, vha, 0x801a,
|
|
"Virtual port with id: %d - Enabled.\n", vha->vp_idx);
|
|
return 0;
|
|
|
|
enable_failed:
|
|
ql_dbg(ql_dbg_taskm, vha, 0x801b,
|
|
"Virtual port with id: %d - Disabled.\n", vha->vp_idx);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
qla24xx_configure_vp(scsi_qla_host_t *vha)
|
|
{
|
|
struct fc_vport *fc_vport;
|
|
int ret;
|
|
|
|
fc_vport = vha->fc_vport;
|
|
|
|
ql_dbg(ql_dbg_vport, vha, 0xa002,
|
|
"%s: change request #3.\n", __func__);
|
|
ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx);
|
|
if (ret != QLA_SUCCESS) {
|
|
ql_dbg(ql_dbg_vport, vha, 0xa003, "Failed to enable "
|
|
"receiving of RSCN requests: 0x%x.\n", ret);
|
|
return;
|
|
} else {
|
|
/* Corresponds to SCR enabled */
|
|
clear_bit(VP_SCR_NEEDED, &vha->vp_flags);
|
|
}
|
|
|
|
vha->flags.online = 1;
|
|
if (qla24xx_configure_vhba(vha))
|
|
return;
|
|
|
|
atomic_set(&vha->vp_state, VP_ACTIVE);
|
|
fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
|
|
}
|
|
|
|
void
|
|
qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb)
|
|
{
|
|
scsi_qla_host_t *vha;
|
|
struct qla_hw_data *ha = rsp->hw;
|
|
int i = 0;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&ha->vport_slock, flags);
|
|
list_for_each_entry(vha, &ha->vp_list, list) {
|
|
if (vha->vp_idx) {
|
|
atomic_inc(&vha->vref_count);
|
|
spin_unlock_irqrestore(&ha->vport_slock, flags);
|
|
|
|
switch (mb[0]) {
|
|
case MBA_LIP_OCCURRED:
|
|
case MBA_LOOP_UP:
|
|
case MBA_LOOP_DOWN:
|
|
case MBA_LIP_RESET:
|
|
case MBA_POINT_TO_POINT:
|
|
case MBA_CHG_IN_CONNECTION:
|
|
case MBA_PORT_UPDATE:
|
|
case MBA_RSCN_UPDATE:
|
|
ql_dbg(ql_dbg_async, vha, 0x5024,
|
|
"Async_event for VP[%d], mb=0x%x vha=%p.\n",
|
|
i, *mb, vha);
|
|
qla2x00_async_event(vha, rsp, mb);
|
|
break;
|
|
}
|
|
|
|
spin_lock_irqsave(&ha->vport_slock, flags);
|
|
atomic_dec(&vha->vref_count);
|
|
}
|
|
i++;
|
|
}
|
|
spin_unlock_irqrestore(&ha->vport_slock, flags);
|
|
}
|
|
|
|
int
|
|
qla2x00_vp_abort_isp(scsi_qla_host_t *vha)
|
|
{
|
|
/*
|
|
* Physical port will do most of the abort and recovery work. We can
|
|
* just treat it as a loop down
|
|
*/
|
|
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
|
|
atomic_set(&vha->loop_state, LOOP_DOWN);
|
|
qla2x00_mark_all_devices_lost(vha, 0);
|
|
} else {
|
|
if (!atomic_read(&vha->loop_down_timer))
|
|
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
|
|
}
|
|
|
|
/*
|
|
* To exclusively reset vport, we need to log it out first. Note: this
|
|
* control_vp can fail if ISP reset is already issued, this is
|
|
* expected, as the vp would be already logged out due to ISP reset.
|
|
*/
|
|
if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
|
|
qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL);
|
|
|
|
ql_dbg(ql_dbg_taskm, vha, 0x801d,
|
|
"Scheduling enable of Vport %d.\n", vha->vp_idx);
|
|
return qla24xx_enable_vp(vha);
|
|
}
|
|
|
|
static int
|
|
qla2x00_do_dpc_vp(scsi_qla_host_t *vha)
|
|
{
|
|
ql_dbg(ql_dbg_dpc + ql_dbg_verbose, vha, 0x4012,
|
|
"Entering %s vp_flags: 0x%lx.\n", __func__, vha->vp_flags);
|
|
|
|
qla2x00_do_work(vha);
|
|
|
|
if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) {
|
|
/* VP acquired. complete port configuration */
|
|
ql_dbg(ql_dbg_dpc, vha, 0x4014,
|
|
"Configure VP scheduled.\n");
|
|
qla24xx_configure_vp(vha);
|
|
ql_dbg(ql_dbg_dpc, vha, 0x4015,
|
|
"Configure VP end.\n");
|
|
return 0;
|
|
}
|
|
|
|
if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) {
|
|
ql_dbg(ql_dbg_dpc, vha, 0x4016,
|
|
"FCPort update scheduled.\n");
|
|
qla2x00_update_fcports(vha);
|
|
clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags);
|
|
ql_dbg(ql_dbg_dpc, vha, 0x4017,
|
|
"FCPort update end.\n");
|
|
}
|
|
|
|
if ((test_and_clear_bit(RELOGIN_NEEDED, &vha->dpc_flags)) &&
|
|
!test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) &&
|
|
atomic_read(&vha->loop_state) != LOOP_DOWN) {
|
|
|
|
ql_dbg(ql_dbg_dpc, vha, 0x4018,
|
|
"Relogin needed scheduled.\n");
|
|
qla2x00_relogin(vha);
|
|
ql_dbg(ql_dbg_dpc, vha, 0x4019,
|
|
"Relogin needed end.\n");
|
|
}
|
|
|
|
if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) &&
|
|
(!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) {
|
|
clear_bit(RESET_ACTIVE, &vha->dpc_flags);
|
|
}
|
|
|
|
if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
|
|
if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) {
|
|
ql_dbg(ql_dbg_dpc, vha, 0x401a,
|
|
"Loop resync scheduled.\n");
|
|
qla2x00_loop_resync(vha);
|
|
clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags);
|
|
ql_dbg(ql_dbg_dpc, vha, 0x401b,
|
|
"Loop resync end.\n");
|
|
}
|
|
}
|
|
|
|
ql_dbg(ql_dbg_dpc + ql_dbg_verbose, vha, 0x401c,
|
|
"Exiting %s.\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha)
|
|
{
|
|
int ret;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
scsi_qla_host_t *vp;
|
|
unsigned long flags = 0;
|
|
|
|
if (vha->vp_idx)
|
|
return;
|
|
if (list_empty(&ha->vp_list))
|
|
return;
|
|
|
|
clear_bit(VP_DPC_NEEDED, &vha->dpc_flags);
|
|
|
|
if (!(ha->current_topology & ISP_CFG_F))
|
|
return;
|
|
|
|
spin_lock_irqsave(&ha->vport_slock, flags);
|
|
list_for_each_entry(vp, &ha->vp_list, list) {
|
|
if (vp->vp_idx) {
|
|
atomic_inc(&vp->vref_count);
|
|
spin_unlock_irqrestore(&ha->vport_slock, flags);
|
|
|
|
ret = qla2x00_do_dpc_vp(vp);
|
|
|
|
spin_lock_irqsave(&ha->vport_slock, flags);
|
|
atomic_dec(&vp->vref_count);
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&ha->vport_slock, flags);
|
|
}
|
|
|
|
int
|
|
qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport)
|
|
{
|
|
scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
|
|
struct qla_hw_data *ha = base_vha->hw;
|
|
scsi_qla_host_t *vha;
|
|
uint8_t port_name[WWN_SIZE];
|
|
|
|
if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR)
|
|
return VPCERR_UNSUPPORTED;
|
|
|
|
/* Check up the F/W and H/W support NPIV */
|
|
if (!ha->flags.npiv_supported)
|
|
return VPCERR_UNSUPPORTED;
|
|
|
|
/* Check up whether npiv supported switch presented */
|
|
if (!(ha->switch_cap & FLOGI_MID_SUPPORT))
|
|
return VPCERR_NO_FABRIC_SUPP;
|
|
|
|
/* Check up unique WWPN */
|
|
u64_to_wwn(fc_vport->port_name, port_name);
|
|
if (!memcmp(port_name, base_vha->port_name, WWN_SIZE))
|
|
return VPCERR_BAD_WWN;
|
|
vha = qla24xx_find_vhost_by_name(ha, port_name);
|
|
if (vha)
|
|
return VPCERR_BAD_WWN;
|
|
|
|
/* Check up max-npiv-supports */
|
|
if (ha->num_vhosts > ha->max_npiv_vports) {
|
|
ql_dbg(ql_dbg_vport, vha, 0xa004,
|
|
"num_vhosts %ud is bigger "
|
|
"than max_npiv_vports %ud.\n",
|
|
ha->num_vhosts, ha->max_npiv_vports);
|
|
return VPCERR_UNSUPPORTED;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
scsi_qla_host_t *
|
|
qla24xx_create_vhost(struct fc_vport *fc_vport)
|
|
{
|
|
scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
|
|
struct qla_hw_data *ha = base_vha->hw;
|
|
scsi_qla_host_t *vha;
|
|
struct scsi_host_template *sht = &qla2xxx_driver_template;
|
|
struct Scsi_Host *host;
|
|
|
|
vha = qla2x00_create_host(sht, ha);
|
|
if (!vha) {
|
|
ql_log(ql_log_warn, vha, 0xa005,
|
|
"scsi_host_alloc() failed for vport.\n");
|
|
return(NULL);
|
|
}
|
|
|
|
host = vha->host;
|
|
fc_vport->dd_data = vha;
|
|
/* New host info */
|
|
u64_to_wwn(fc_vport->node_name, vha->node_name);
|
|
u64_to_wwn(fc_vport->port_name, vha->port_name);
|
|
|
|
vha->fc_vport = fc_vport;
|
|
vha->device_flags = 0;
|
|
vha->vp_idx = qla24xx_allocate_vp_id(vha);
|
|
if (vha->vp_idx > ha->max_npiv_vports) {
|
|
ql_dbg(ql_dbg_vport, vha, 0xa006,
|
|
"Couldn't allocate vp_id.\n");
|
|
goto create_vhost_failed;
|
|
}
|
|
vha->mgmt_svr_loop_id = 10 + vha->vp_idx;
|
|
|
|
vha->dpc_flags = 0L;
|
|
|
|
/*
|
|
* To fix the issue of processing a parent's RSCN for the vport before
|
|
* its SCR is complete.
|
|
*/
|
|
set_bit(VP_SCR_NEEDED, &vha->vp_flags);
|
|
atomic_set(&vha->loop_state, LOOP_DOWN);
|
|
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
|
|
|
|
qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL);
|
|
|
|
vha->req = base_vha->req;
|
|
host->can_queue = base_vha->req->length + 128;
|
|
host->cmd_per_lun = 3;
|
|
if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
|
|
host->max_cmd_len = 32;
|
|
else
|
|
host->max_cmd_len = MAX_CMDSZ;
|
|
host->max_channel = MAX_BUSES - 1;
|
|
host->max_lun = ql2xmaxlun;
|
|
host->unique_id = host->host_no;
|
|
host->max_id = ha->max_fibre_devices;
|
|
host->transportt = qla2xxx_transport_vport_template;
|
|
|
|
ql_dbg(ql_dbg_vport, vha, 0xa007,
|
|
"Detect vport hba %ld at address = %p.\n",
|
|
vha->host_no, vha);
|
|
|
|
vha->flags.init_done = 1;
|
|
|
|
mutex_lock(&ha->vport_lock);
|
|
set_bit(vha->vp_idx, ha->vp_idx_map);
|
|
ha->cur_vport_count++;
|
|
mutex_unlock(&ha->vport_lock);
|
|
|
|
return vha;
|
|
|
|
create_vhost_failed:
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req)
|
|
{
|
|
struct qla_hw_data *ha = vha->hw;
|
|
uint16_t que_id = req->id;
|
|
|
|
dma_free_coherent(&ha->pdev->dev, (req->length + 1) *
|
|
sizeof(request_t), req->ring, req->dma);
|
|
req->ring = NULL;
|
|
req->dma = 0;
|
|
if (que_id) {
|
|
ha->req_q_map[que_id] = NULL;
|
|
mutex_lock(&ha->vport_lock);
|
|
clear_bit(que_id, ha->req_qid_map);
|
|
mutex_unlock(&ha->vport_lock);
|
|
}
|
|
kfree(req);
|
|
req = NULL;
|
|
}
|
|
|
|
static void
|
|
qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
|
|
{
|
|
struct qla_hw_data *ha = vha->hw;
|
|
uint16_t que_id = rsp->id;
|
|
|
|
if (rsp->msix && rsp->msix->have_irq) {
|
|
free_irq(rsp->msix->vector, rsp);
|
|
rsp->msix->have_irq = 0;
|
|
rsp->msix->rsp = NULL;
|
|
}
|
|
dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) *
|
|
sizeof(response_t), rsp->ring, rsp->dma);
|
|
rsp->ring = NULL;
|
|
rsp->dma = 0;
|
|
if (que_id) {
|
|
ha->rsp_q_map[que_id] = NULL;
|
|
mutex_lock(&ha->vport_lock);
|
|
clear_bit(que_id, ha->rsp_qid_map);
|
|
mutex_unlock(&ha->vport_lock);
|
|
}
|
|
kfree(rsp);
|
|
rsp = NULL;
|
|
}
|
|
|
|
int
|
|
qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req)
|
|
{
|
|
int ret = -1;
|
|
|
|
if (req) {
|
|
req->options |= BIT_0;
|
|
ret = qla25xx_init_req_que(vha, req);
|
|
}
|
|
if (ret == QLA_SUCCESS)
|
|
qla25xx_free_req_que(vha, req);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
|
|
{
|
|
int ret = -1;
|
|
|
|
if (rsp) {
|
|
rsp->options |= BIT_0;
|
|
ret = qla25xx_init_rsp_que(vha, rsp);
|
|
}
|
|
if (ret == QLA_SUCCESS)
|
|
qla25xx_free_rsp_que(vha, rsp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Delete all queues for a given vhost */
|
|
int
|
|
qla25xx_delete_queues(struct scsi_qla_host *vha)
|
|
{
|
|
int cnt, ret = 0;
|
|
struct req_que *req = NULL;
|
|
struct rsp_que *rsp = NULL;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
|
|
/* Delete request queues */
|
|
for (cnt = 1; cnt < ha->max_req_queues; cnt++) {
|
|
req = ha->req_q_map[cnt];
|
|
if (req) {
|
|
ret = qla25xx_delete_req_que(vha, req);
|
|
if (ret != QLA_SUCCESS) {
|
|
ql_log(ql_log_warn, vha, 0x00ea,
|
|
"Couldn't delete req que %d.\n",
|
|
req->id);
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Delete response queues */
|
|
for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) {
|
|
rsp = ha->rsp_q_map[cnt];
|
|
if (rsp) {
|
|
ret = qla25xx_delete_rsp_que(vha, rsp);
|
|
if (ret != QLA_SUCCESS) {
|
|
ql_log(ql_log_warn, vha, 0x00eb,
|
|
"Couldn't delete rsp que %d.\n",
|
|
rsp->id);
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options,
|
|
uint8_t vp_idx, uint16_t rid, int rsp_que, uint8_t qos)
|
|
{
|
|
int ret = 0;
|
|
struct req_que *req = NULL;
|
|
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
|
|
uint16_t que_id = 0;
|
|
device_reg_t __iomem *reg;
|
|
uint32_t cnt;
|
|
|
|
req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
|
|
if (req == NULL) {
|
|
ql_log(ql_log_fatal, base_vha, 0x00d9,
|
|
"Failed to allocate memory for request queue.\n");
|
|
goto failed;
|
|
}
|
|
|
|
req->length = REQUEST_ENTRY_CNT_24XX;
|
|
req->ring = dma_alloc_coherent(&ha->pdev->dev,
|
|
(req->length + 1) * sizeof(request_t),
|
|
&req->dma, GFP_KERNEL);
|
|
if (req->ring == NULL) {
|
|
ql_log(ql_log_fatal, base_vha, 0x00da,
|
|
"Failed to allocate memory for request_ring.\n");
|
|
goto que_failed;
|
|
}
|
|
|
|
mutex_lock(&ha->vport_lock);
|
|
que_id = find_first_zero_bit(ha->req_qid_map, ha->max_req_queues);
|
|
if (que_id >= ha->max_req_queues) {
|
|
mutex_unlock(&ha->vport_lock);
|
|
ql_log(ql_log_warn, base_vha, 0x00db,
|
|
"No resources to create additional request queue.\n");
|
|
goto que_failed;
|
|
}
|
|
set_bit(que_id, ha->req_qid_map);
|
|
ha->req_q_map[que_id] = req;
|
|
req->rid = rid;
|
|
req->vp_idx = vp_idx;
|
|
req->qos = qos;
|
|
|
|
ql_dbg(ql_dbg_multiq, base_vha, 0xc002,
|
|
"queue_id=%d rid=%d vp_idx=%d qos=%d.\n",
|
|
que_id, req->rid, req->vp_idx, req->qos);
|
|
ql_dbg(ql_dbg_init, base_vha, 0x00dc,
|
|
"queue_id=%d rid=%d vp_idx=%d qos=%d.\n",
|
|
que_id, req->rid, req->vp_idx, req->qos);
|
|
if (rsp_que < 0)
|
|
req->rsp = NULL;
|
|
else
|
|
req->rsp = ha->rsp_q_map[rsp_que];
|
|
/* Use alternate PCI bus number */
|
|
if (MSB(req->rid))
|
|
options |= BIT_4;
|
|
/* Use alternate PCI devfn */
|
|
if (LSB(req->rid))
|
|
options |= BIT_5;
|
|
req->options = options;
|
|
|
|
ql_dbg(ql_dbg_multiq, base_vha, 0xc003,
|
|
"options=0x%x.\n", req->options);
|
|
ql_dbg(ql_dbg_init, base_vha, 0x00dd,
|
|
"options=0x%x.\n", req->options);
|
|
for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
|
|
req->outstanding_cmds[cnt] = NULL;
|
|
req->current_outstanding_cmd = 1;
|
|
|
|
req->ring_ptr = req->ring;
|
|
req->ring_index = 0;
|
|
req->cnt = req->length;
|
|
req->id = que_id;
|
|
reg = ISP_QUE_REG(ha, que_id);
|
|
req->max_q_depth = ha->req_q_map[0]->max_q_depth;
|
|
mutex_unlock(&ha->vport_lock);
|
|
ql_dbg(ql_dbg_multiq, base_vha, 0xc004,
|
|
"ring_ptr=%p ring_index=%d, "
|
|
"cnt=%d id=%d max_q_depth=%d.\n",
|
|
req->ring_ptr, req->ring_index,
|
|
req->cnt, req->id, req->max_q_depth);
|
|
ql_dbg(ql_dbg_init, base_vha, 0x00de,
|
|
"ring_ptr=%p ring_index=%d, "
|
|
"cnt=%d id=%d max_q_depth=%d.\n",
|
|
req->ring_ptr, req->ring_index, req->cnt,
|
|
req->id, req->max_q_depth);
|
|
|
|
ret = qla25xx_init_req_que(base_vha, req);
|
|
if (ret != QLA_SUCCESS) {
|
|
ql_log(ql_log_fatal, base_vha, 0x00df,
|
|
"%s failed.\n", __func__);
|
|
mutex_lock(&ha->vport_lock);
|
|
clear_bit(que_id, ha->req_qid_map);
|
|
mutex_unlock(&ha->vport_lock);
|
|
goto que_failed;
|
|
}
|
|
|
|
return req->id;
|
|
|
|
que_failed:
|
|
qla25xx_free_req_que(base_vha, req);
|
|
failed:
|
|
return 0;
|
|
}
|
|
|
|
static void qla_do_work(struct work_struct *work)
|
|
{
|
|
unsigned long flags;
|
|
struct rsp_que *rsp = container_of(work, struct rsp_que, q_work);
|
|
struct scsi_qla_host *vha;
|
|
struct qla_hw_data *ha = rsp->hw;
|
|
|
|
spin_lock_irqsave(&rsp->hw->hardware_lock, flags);
|
|
vha = pci_get_drvdata(ha->pdev);
|
|
qla24xx_process_response_queue(vha, rsp);
|
|
spin_unlock_irqrestore(&rsp->hw->hardware_lock, flags);
|
|
}
|
|
|
|
/* create response queue */
|
|
int
|
|
qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options,
|
|
uint8_t vp_idx, uint16_t rid, int req)
|
|
{
|
|
int ret = 0;
|
|
struct rsp_que *rsp = NULL;
|
|
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
|
|
uint16_t que_id = 0;
|
|
device_reg_t __iomem *reg;
|
|
|
|
rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
|
|
if (rsp == NULL) {
|
|
ql_log(ql_log_warn, base_vha, 0x0066,
|
|
"Failed to allocate memory for response queue.\n");
|
|
goto failed;
|
|
}
|
|
|
|
rsp->length = RESPONSE_ENTRY_CNT_MQ;
|
|
rsp->ring = dma_alloc_coherent(&ha->pdev->dev,
|
|
(rsp->length + 1) * sizeof(response_t),
|
|
&rsp->dma, GFP_KERNEL);
|
|
if (rsp->ring == NULL) {
|
|
ql_log(ql_log_warn, base_vha, 0x00e1,
|
|
"Failed to allocate memory for response ring.\n");
|
|
goto que_failed;
|
|
}
|
|
|
|
mutex_lock(&ha->vport_lock);
|
|
que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues);
|
|
if (que_id >= ha->max_rsp_queues) {
|
|
mutex_unlock(&ha->vport_lock);
|
|
ql_log(ql_log_warn, base_vha, 0x00e2,
|
|
"No resources to create additional request queue.\n");
|
|
goto que_failed;
|
|
}
|
|
set_bit(que_id, ha->rsp_qid_map);
|
|
|
|
if (ha->flags.msix_enabled)
|
|
rsp->msix = &ha->msix_entries[que_id + 1];
|
|
else
|
|
ql_log(ql_log_warn, base_vha, 0x00e3,
|
|
"MSIX not enalbled.\n");
|
|
|
|
ha->rsp_q_map[que_id] = rsp;
|
|
rsp->rid = rid;
|
|
rsp->vp_idx = vp_idx;
|
|
rsp->hw = ha;
|
|
ql_dbg(ql_dbg_init, base_vha, 0x00e4,
|
|
"queue_id=%d rid=%d vp_idx=%d hw=%p.\n",
|
|
que_id, rsp->rid, rsp->vp_idx, rsp->hw);
|
|
/* Use alternate PCI bus number */
|
|
if (MSB(rsp->rid))
|
|
options |= BIT_4;
|
|
/* Use alternate PCI devfn */
|
|
if (LSB(rsp->rid))
|
|
options |= BIT_5;
|
|
/* Enable MSIX handshake mode on for uncapable adapters */
|
|
if (!IS_MSIX_NACK_CAPABLE(ha))
|
|
options |= BIT_6;
|
|
|
|
rsp->options = options;
|
|
rsp->id = que_id;
|
|
reg = ISP_QUE_REG(ha, que_id);
|
|
rsp->rsp_q_in = ®->isp25mq.rsp_q_in;
|
|
rsp->rsp_q_out = ®->isp25mq.rsp_q_out;
|
|
mutex_unlock(&ha->vport_lock);
|
|
ql_dbg(ql_dbg_multiq, base_vha, 0xc00b,
|
|
"options=%x id=%d rsp_q_in=%p rsp_q_out=%p",
|
|
rsp->options, rsp->id, rsp->rsp_q_in,
|
|
rsp->rsp_q_out);
|
|
ql_dbg(ql_dbg_init, base_vha, 0x00e5,
|
|
"options=%x id=%d rsp_q_in=%p rsp_q_out=%p",
|
|
rsp->options, rsp->id, rsp->rsp_q_in,
|
|
rsp->rsp_q_out);
|
|
|
|
ret = qla25xx_request_irq(rsp);
|
|
if (ret)
|
|
goto que_failed;
|
|
|
|
ret = qla25xx_init_rsp_que(base_vha, rsp);
|
|
if (ret != QLA_SUCCESS) {
|
|
ql_log(ql_log_fatal, base_vha, 0x00e7,
|
|
"%s failed.\n", __func__);
|
|
mutex_lock(&ha->vport_lock);
|
|
clear_bit(que_id, ha->rsp_qid_map);
|
|
mutex_unlock(&ha->vport_lock);
|
|
goto que_failed;
|
|
}
|
|
if (req >= 0)
|
|
rsp->req = ha->req_q_map[req];
|
|
else
|
|
rsp->req = NULL;
|
|
|
|
qla2x00_init_response_q_entries(rsp);
|
|
if (rsp->hw->wq)
|
|
INIT_WORK(&rsp->q_work, qla_do_work);
|
|
return rsp->id;
|
|
|
|
que_failed:
|
|
qla25xx_free_rsp_que(base_vha, rsp);
|
|
failed:
|
|
return 0;
|
|
}
|