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[SCSI] qla2xxx: Add APEX support.

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Allows priority setting for FCP_CMNDs.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Sarang Radke 2010-03-19 17:03:59 -07:00 committed by James Bottomley
parent 6e98016ca0
commit 09ff701a17
7 changed files with 518 additions and 4 deletions
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163
drivers/scsi/qla2xxx/qla_bsg.c
View File

@ -35,6 +35,166 @@ done:
return sp;
}
int
qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
{
int i, ret, num_valid;
uint8_t *bcode;
struct qla_fcp_prio_entry *pri_entry;
ret = 1;
num_valid = 0;
bcode = (uint8_t *)pri_cfg;
if (bcode[0x0] != 'H' || bcode[0x1] != 'Q' || bcode[0x2] != 'O' ||
bcode[0x3] != 'S') {
return 0;
}
if (flag != 1)
return ret;
pri_entry = &pri_cfg->entry[0];
for (i = 0; i < pri_cfg->num_entries; i++) {
if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
num_valid++;
pri_entry++;
}
if (num_valid == 0)
ret = 0;
return ret;
}
static int
qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int ret = 0;
uint32_t len;
uint32_t oper;
bsg_job->reply->reply_payload_rcv_len = 0;
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
ret = -EBUSY;
goto exit_fcp_prio_cfg;
}
/* Get the sub command */
oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
/* Only set config is allowed if config memory is not allocated */
if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
switch (oper) {
case QLFC_FCP_PRIO_DISABLE:
if (ha->flags.fcp_prio_enabled) {
ha->flags.fcp_prio_enabled = 0;
ha->fcp_prio_cfg->attributes &=
~FCP_PRIO_ATTR_ENABLE;
qla24xx_update_all_fcp_prio(vha);
bsg_job->reply->result = DID_OK;
} else {
ret = -EINVAL;
bsg_job->reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
break;
case QLFC_FCP_PRIO_ENABLE:
if (!ha->flags.fcp_prio_enabled) {
if (ha->fcp_prio_cfg) {
ha->flags.fcp_prio_enabled = 1;
ha->fcp_prio_cfg->attributes |=
FCP_PRIO_ATTR_ENABLE;
qla24xx_update_all_fcp_prio(vha);
bsg_job->reply->result = DID_OK;
} else {
ret = -EINVAL;
bsg_job->reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
}
break;
case QLFC_FCP_PRIO_GET_CONFIG:
len = bsg_job->reply_payload.payload_len;
if (!len || len > FCP_PRIO_CFG_SIZE) {
ret = -EINVAL;
bsg_job->reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
bsg_job->reply->result = DID_OK;
bsg_job->reply->reply_payload_rcv_len =
sg_copy_from_buffer(
bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
len);
break;
case QLFC_FCP_PRIO_SET_CONFIG:
len = bsg_job->request_payload.payload_len;
if (!len || len > FCP_PRIO_CFG_SIZE) {
bsg_job->reply->result = (DID_ERROR << 16);
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
if (!ha->fcp_prio_cfg) {
ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
if (!ha->fcp_prio_cfg) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory "
"for fcp prio config data (%x).\n",
FCP_PRIO_CFG_SIZE);
bsg_job->reply->result = (DID_ERROR << 16);
ret = -ENOMEM;
goto exit_fcp_prio_cfg;
}
}
memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
FCP_PRIO_CFG_SIZE);
/* validate fcp priority data */
if (!qla24xx_fcp_prio_cfg_valid(
(struct qla_fcp_prio_cfg *)
ha->fcp_prio_cfg, 1)) {
bsg_job->reply->result = (DID_ERROR << 16);
ret = -EINVAL;
/* If buffer was invalidatic int
* fcp_prio_cfg is of no use
*/
vfree(ha->fcp_prio_cfg);
ha->fcp_prio_cfg = NULL;
goto exit_fcp_prio_cfg;
}
ha->flags.fcp_prio_enabled = 0;
if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
ha->flags.fcp_prio_enabled = 1;
qla24xx_update_all_fcp_prio(vha);
bsg_job->reply->result = DID_OK;
break;
default:
ret = -EINVAL;
break;
}
exit_fcp_prio_cfg:
bsg_job->job_done(bsg_job);
return ret;
}
static int
qla2x00_process_els(struct fc_bsg_job *bsg_job)
{
@ -948,6 +1108,9 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
case QL_VND_IIDMA:
return qla24xx_iidma(bsg_job);
case QL_VND_FCP_PRIO_CFG_CMD:
return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
default:
bsg_job->reply->result = (DID_ERROR << 16);
bsg_job->job_done(bsg_job);

7
drivers/scsi/qla2xxx/qla_def.h
View File

@ -1580,6 +1580,8 @@ typedef struct fc_port {
uint16_t loop_id;
uint16_t old_loop_id;
uint8_t fcp_prio;
uint8_t fabric_port_name[WWN_SIZE];
uint16_t fp_speed;
@ -2296,6 +2298,7 @@ struct qla_hw_data {
uint32_t eeh_busy :1;
uint32_t cpu_affinity_enabled :1;
uint32_t disable_msix_handshake :1;
uint32_t fcp_prio_enabled :1;
} flags;
/* This spinlock is used to protect "io transactions", you must
@ -2599,6 +2602,7 @@ struct qla_hw_data {
uint32_t flt_region_nvram;
uint32_t flt_region_npiv_conf;
uint32_t flt_region_gold_fw;
uint32_t flt_region_fcp_prio;
/* Needed for BEACON */
uint16_t beacon_blink_led;
@ -2627,6 +2631,9 @@ struct qla_hw_data {
struct isp_operations *isp_ops;
struct workqueue_struct *wq;
struct qlfc_fw fw_buf;
/* FCP_CMND priority support */
struct qla_fcp_prio_cfg *fcp_prio_cfg;
};
/*

59
drivers/scsi/qla2xxx/qla_fw.h
View File

@ -841,6 +841,8 @@ struct device_reg_24xx {
#define FA_HW_EVENT_ENTRY_SIZE 4
#define FA_NPIV_CONF0_ADDR 0x5C000
#define FA_NPIV_CONF1_ADDR 0x5D000
#define FA_FCP_PRIO0_ADDR 0x10000
#define FA_FCP_PRIO1_ADDR 0x12000
/*
* Flash Error Log Event Codes.
@ -1274,6 +1276,8 @@ struct qla_flt_header {
#define FLT_REG_NPIV_CONF_0 0x29
#define FLT_REG_NPIV_CONF_1 0x2a
#define FLT_REG_GOLD_FW 0x2f
#define FLT_REG_FCP_PRIO_0 0x87
#define FLT_REG_FCP_PRIO_1 0x88
struct qla_flt_region {
uint32_t code;
@ -1750,6 +1754,61 @@ struct ex_init_cb_81xx {
#define FARX_ACCESS_FLASH_CONF_81XX 0x7FFD0000
#define FARX_ACCESS_FLASH_DATA_81XX 0x7F800000
/* FCP priority config defines *************************************/
/* operations */
#define QLFC_FCP_PRIO_DISABLE 0x0
#define QLFC_FCP_PRIO_ENABLE 0x1
#define QLFC_FCP_PRIO_GET_CONFIG 0x2
#define QLFC_FCP_PRIO_SET_CONFIG 0x3
struct qla_fcp_prio_entry {
uint16_t flags; /* Describes parameter(s) in FCP */
/* priority entry that are valid */
#define FCP_PRIO_ENTRY_VALID 0x1
#define FCP_PRIO_ENTRY_TAG_VALID 0x2
#define FCP_PRIO_ENTRY_SPID_VALID 0x4
#define FCP_PRIO_ENTRY_DPID_VALID 0x8
#define FCP_PRIO_ENTRY_LUNB_VALID 0x10
#define FCP_PRIO_ENTRY_LUNE_VALID 0x20
#define FCP_PRIO_ENTRY_SWWN_VALID 0x40
#define FCP_PRIO_ENTRY_DWWN_VALID 0x80
uint8_t tag; /* Priority value */
uint8_t reserved; /* Reserved for future use */
uint32_t src_pid; /* Src port id. high order byte */
/* unused; -1 (wild card) */
uint32_t dst_pid; /* Src port id. high order byte */
/* unused; -1 (wild card) */
uint16_t lun_beg; /* 1st lun num of lun range. */
/* -1 (wild card) */
uint16_t lun_end; /* 2nd lun num of lun range. */
/* -1 (wild card) */
uint8_t src_wwpn[8]; /* Source WWPN: -1 (wild card) */
uint8_t dst_wwpn[8]; /* Destination WWPN: -1 (wild card) */
};
struct qla_fcp_prio_cfg {
uint8_t signature[4]; /* "HQOS" signature of config data */
uint16_t version; /* 1: Initial version */
uint16_t length; /* config data size in num bytes */
uint16_t checksum; /* config data bytes checksum */
uint16_t num_entries; /* Number of entries */
uint16_t size_of_entry; /* Size of each entry in num bytes */
uint8_t attributes; /* enable/disable, persistence */
#define FCP_PRIO_ATTR_DISABLE 0x0
#define FCP_PRIO_ATTR_ENABLE 0x1
#define FCP_PRIO_ATTR_PERSIST 0x2
uint8_t reserved; /* Reserved for future use */
#define FCP_PRIO_CFG_HDR_SIZE 0x10
struct qla_fcp_prio_entry entry[1]; /* fcp priority entries */
#define FCP_PRIO_CFG_ENTRY_SIZE 0x20
};
#define FCP_PRIO_CFG_SIZE (32*1024) /* fcp prio data per port*/
/* 25XX Support ****************************************************/
#define FA_FCP_PRIO0_ADDR_25 0x3C000
#define FA_FCP_PRIO1_ADDR_25 0x3E000
/* 81XX Flash locations -- occupies second 2MB region. */
#define FA_BOOT_CODE_ADDR_81 0x80000
#define FA_RISC_CODE_ADDR_81 0xA0000

9
drivers/scsi/qla2xxx/qla_gbl.h
View File

@ -328,6 +328,9 @@ extern int
qla2x00_write_ram_word(scsi_qla_host_t *, uint32_t, uint32_t);
extern int qla2x00_get_data_rate(scsi_qla_host_t *);
extern int qla24xx_set_fcp_prio(scsi_qla_host_t *, uint16_t, uint16_t,
uint16_t *);
/*
* Global Function Prototypes in qla_isr.c source file.
*/
@ -384,6 +387,7 @@ extern int qla2xxx_get_flash_info(scsi_qla_host_t *);
extern int qla2xxx_get_vpd_field(scsi_qla_host_t *, char *, char *, size_t);
extern void qla2xxx_flash_npiv_conf(scsi_qla_host_t *);
extern int qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *);
/*
* Global Function Prototypes in qla_dbg.c source file.
@ -430,7 +434,10 @@ extern void qla2x00_init_host_attr(scsi_qla_host_t *);
extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
extern int qla2x00_loopback_test(scsi_qla_host_t *, struct msg_echo_lb *, uint16_t *);
extern int qla2x00_echo_test(scsi_qla_host_t *, struct msg_echo_lb *, uint16_t *);
extern int qla2x00_echo_test(scsi_qla_host_t *,
struct msg_echo_lb *, uint16_t *);
extern int qla24xx_update_all_fcp_prio(scsi_qla_host_t *);
extern int qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *, uint8_t);
/*
* Global Function Prototypes in qla_dfs.c source file.

168
drivers/scsi/qla2xxx/qla_init.c
View File

@ -349,6 +349,12 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha)
}
}
if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)) {
if (qla24xx_read_fcp_prio_cfg(vha))
qla_printk(KERN_ERR, ha,
"Unable to read FCP priority data.\n");
}
return (rval);
}
@ -4905,3 +4911,165 @@ qla81xx_update_fw_options(scsi_qla_host_t *vha)
ha->fw_options[2] |= BIT_9;
qla2x00_set_fw_options(vha, ha->fw_options);
}
/*
* qla24xx_get_fcp_prio
* Gets the fcp cmd priority value for the logged in port.
* Looks for a match of the port descriptors within
* each of the fcp prio config entries. If a match is found,
* the tag (priority) value is returned.
*
* Input:
* ha = adapter block po
* fcport = port structure pointer.
*
* Return:
* non-zero (if found)
* 0 (if not found)
*
* Context:
* Kernel context
*/
uint8_t
qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
{
int i, entries;
uint8_t pid_match, wwn_match;
uint8_t priority;
uint32_t pid1, pid2;
uint64_t wwn1, wwn2;
struct qla_fcp_prio_entry *pri_entry;
struct qla_hw_data *ha = vha->hw;
if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
return 0;
priority = 0;
entries = ha->fcp_prio_cfg->num_entries;
pri_entry = &ha->fcp_prio_cfg->entry[0];
for (i = 0; i < entries; i++) {
pid_match = wwn_match = 0;
if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
pri_entry++;
continue;
}
/* check source pid for a match */
if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
pid1 = pri_entry->src_pid & INVALID_PORT_ID;
pid2 = vha->d_id.b24 & INVALID_PORT_ID;
if (pid1 == INVALID_PORT_ID)
pid_match++;
else if (pid1 == pid2)
pid_match++;
}
/* check destination pid for a match */
if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
if (pid1 == INVALID_PORT_ID)
pid_match++;
else if (pid1 == pid2)
pid_match++;
}
/* check source WWN for a match */
if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
wwn1 = wwn_to_u64(vha->port_name);
wwn2 = wwn_to_u64(pri_entry->src_wwpn);
if (wwn2 == (uint64_t)-1)
wwn_match++;
else if (wwn1 == wwn2)
wwn_match++;
}
/* check destination WWN for a match */
if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
wwn1 = wwn_to_u64(fcport->port_name);
wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
if (wwn2 == (uint64_t)-1)
wwn_match++;
else if (wwn1 == wwn2)
wwn_match++;
}
if (pid_match == 2 || wwn_match == 2) {
/* Found a matching entry */
if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
priority = pri_entry->tag;
break;
}
pri_entry++;
}
return priority;
}
/*
* qla24xx_update_fcport_fcp_prio
* Activates fcp priority for the logged in fc port
*
* Input:
* ha = adapter block pointer.
* fcp = port structure pointer.
*
* Return:
* QLA_SUCCESS or QLA_FUNCTION_FAILED
*
* Context:
* Kernel context.
*/
int
qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *ha, fc_port_t *fcport)
{
int ret;
uint8_t priority;
uint16_t mb[5];
if (atomic_read(&fcport->state) == FCS_UNCONFIGURED ||
fcport->port_type != FCT_TARGET ||
fcport->loop_id == FC_NO_LOOP_ID)
return QLA_FUNCTION_FAILED;
priority = qla24xx_get_fcp_prio(ha, fcport);
ret = qla24xx_set_fcp_prio(ha, fcport->loop_id, priority, mb);
if (ret == QLA_SUCCESS)
fcport->fcp_prio = priority;
else
DEBUG2(printk(KERN_WARNING
"scsi(%ld): Unable to activate fcp priority, "
" ret=0x%x\n", ha->host_no, ret));
return ret;
}
/*
* qla24xx_update_all_fcp_prio
* Activates fcp priority for all the logged in ports
*
* Input:
* ha = adapter block pointer.
*
* Return:
* QLA_SUCCESS or QLA_FUNCTION_FAILED
*
* Context:
* Kernel context.
*/
int
qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
{
int ret;
fc_port_t *fcport;
ret = QLA_FUNCTION_FAILED;
/* We need to set priority for all logged in ports */
list_for_each_entry(fcport, &vha->vp_fcports, list)
ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
return ret;
}

47
drivers/scsi/qla2xxx/qla_mbx.c
View File

@ -3896,3 +3896,50 @@ qla2x00_get_data_rate(scsi_qla_host_t *vha)
return rval;
}
int
qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority,
uint16_t *mb)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
return QLA_FUNCTION_FAILED;
DEBUG11(printk(KERN_INFO
"%s(%ld): entered.\n", __func__, ha->host_no));
mcp->mb[0] = MBC_PORT_PARAMS;
mcp->mb[1] = loop_id;
if (ha->flags.fcp_prio_enabled)
mcp->mb[2] = BIT_1;
else
mcp->mb[2] = BIT_2;
mcp->mb[4] = priority & 0xf;
mcp->mb[9] = vha->vp_idx;
mcp->out_mb = MBX_9|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->in_mb = MBX_4|MBX_3|MBX_1|MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(vha, mcp);
if (mb != NULL) {
mb[0] = mcp->mb[0];
mb[1] = mcp->mb[1];
mb[3] = mcp->mb[3];
mb[4] = mcp->mb[4];
}
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk(KERN_WARNING
"%s(%ld): failed=%x.\n", __func__,
vha->host_no, rval));
} else {
DEBUG11(printk(KERN_INFO
"%s(%ld): done.\n", __func__, vha->host_no));
}
return rval;
}

69
drivers/scsi/qla2xxx/qla_sup.c
View File

@ -648,6 +648,12 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
const uint32_t def_npiv_conf1[] =
{ FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
FA_NPIV_CONF1_ADDR_81 };
const uint32_t fcp_prio_cfg0[] =
{ FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
0 };
const uint32_t fcp_prio_cfg1[] =
{ FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
0 };
uint32_t def;
uint16_t *wptr;
uint16_t cnt, chksum;
@ -732,6 +738,14 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
case FLT_REG_GOLD_FW:
ha->flt_region_gold_fw = start;
break;
case FLT_REG_FCP_PRIO_0:
if (!(PCI_FUNC(ha->pdev->devfn) & 1))
ha->flt_region_fcp_prio = start;
break;
case FLT_REG_FCP_PRIO_1:
if (PCI_FUNC(ha->pdev->devfn) & 1)
ha->flt_region_fcp_prio = start;
break;
}
}
goto done;
@ -750,12 +764,14 @@ no_flash_data:
ha->flt_region_boot = def_boot[def];
ha->flt_region_vpd_nvram = def_vpd_nvram[def];
ha->flt_region_vpd = ha->flags.port0 ?
def_vpd0[def]: def_vpd1[def];
def_vpd0[def] : def_vpd1[def];
ha->flt_region_nvram = ha->flags.port0 ?
def_nvram0[def]: def_nvram1[def];
def_nvram0[def] : def_nvram1[def];
ha->flt_region_fdt = def_fdt[def];
ha->flt_region_npiv_conf = ha->flags.port0 ?
def_npiv_conf0[def]: def_npiv_conf1[def];
def_npiv_conf0[def] : def_npiv_conf1[def];
ha->flt_region_fcp_prio = ha->flags.port0 ?
fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
done:
DEBUG2(qla_printk(KERN_DEBUG, ha, "FLT[%s]: boot=0x%x fw=0x%x "
"vpd_nvram=0x%x vpd=0x%x nvram=0x%x fdt=0x%x flt=0x%x "
@ -2722,3 +2738,50 @@ qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
return 0;
}
int
qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
{
int len, max_len;
uint32_t fcp_prio_addr;
struct qla_hw_data *ha = vha->hw;
if (!ha->fcp_prio_cfg) {
ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
if (!ha->fcp_prio_cfg) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory for fcp priority data "
"(%x).\n", FCP_PRIO_CFG_SIZE);
return QLA_FUNCTION_FAILED;
}
}
memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
fcp_prio_addr = ha->flt_region_fcp_prio;
/* first read the fcp priority data header from flash */
ha->isp_ops->read_optrom(vha, (uint8_t *)ha->fcp_prio_cfg,
fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 0))
goto fail;
/* read remaining FCP CMD config data from flash */
fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE;
max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
ha->isp_ops->read_optrom(vha, (uint8_t *)&ha->fcp_prio_cfg->entry[0],
fcp_prio_addr << 2, (len < max_len ? len : max_len));
/* revalidate the entire FCP priority config data, including entries */
if (!qla24xx_fcp_prio_cfg_valid(ha->fcp_prio_cfg, 1))
goto fail;
ha->flags.fcp_prio_enabled = 1;
return QLA_SUCCESS;
fail:
vfree(ha->fcp_prio_cfg);
ha->fcp_prio_cfg = NULL;
return QLA_FUNCTION_FAILED;
}