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[SCSI] qla2xxx: Add NPIV-Config Table support.

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To instatiate pre-configured vport entities defined within an
HBA's flash memory.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Andrew Vasquez 2008-09-11 21:22:50 -07:00 committed by James Bottomley
parent c00d8994d9
commit 272976ca18
5 changed files with 133 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/qla2xxx/qla_def.h
View File

@ -2239,6 +2239,7 @@ typedef struct scsi_qla_host {
#define FCPORT_UPDATE_NEEDED 27
#define VP_DPC_NEEDED 28 /* wake up for VP dpc handling */
#define UNLOADING 29
#define NPIV_CONFIG_NEEDED 30
uint32_t device_flags;
#define DFLG_LOCAL_DEVICES BIT_0
@ -2559,6 +2560,7 @@ typedef struct scsi_qla_host {
uint32_t flt_region_fw;
uint32_t flt_region_vpd_nvram;
uint32_t flt_region_hw_event;
uint32_t flt_region_npiv_conf;
/* Needed for BEACON */
uint16_t beacon_blink_led;

26
drivers/scsi/qla2xxx/qla_fw.h
View File

@ -791,6 +791,8 @@ struct device_reg_24xx {
#define FA_FLASH_DESCR_ADDR_24 0x11000
#define FA_FLASH_LAYOUT_ADDR_24 0x11400
#define FA_NPIV_CONF0_ADDR_24 0x16000
#define FA_NPIV_CONF1_ADDR_24 0x17000
#define FA_FW_AREA_ADDR 0x40000
#define FA_VPD_NVRAM_ADDR 0x48000
@ -801,6 +803,9 @@ struct device_reg_24xx {
#define FA_HW_EVENT1_ADDR 0x54400
#define FA_HW_EVENT_SIZE 0x200
#define FA_HW_EVENT_ENTRY_SIZE 4
#define FA_NPIV_CONF0_ADDR 0x5C000
#define FA_NPIV_CONF1_ADDR 0x5D000
/*
* Flash Error Log Event Codes.
*/
@ -1230,6 +1235,8 @@ struct qla_flt_header {
#define FLT_REG_FLT 0x1c
#define FLT_REG_HW_EVENT_0 0x1d
#define FLT_REG_HW_EVENT_1 0x1f
#define FLT_REG_NPIV_CONF_0 0x29
#define FLT_REG_NPIV_CONF_1 0x2a
struct qla_flt_region {
uint32_t code;
@ -1238,6 +1245,25 @@ struct qla_flt_region {
uint32_t end;
};
/* Flash NPIV Configuration Table ********************************************/
struct qla_npiv_header {
uint8_t sig[2];
uint16_t version;
uint16_t entries;
uint16_t unused[4];
uint16_t checksum;
};
struct qla_npiv_entry {
uint16_t flags;
uint16_t vf_id;
uint16_t qos;
uint16_t unused1;
uint8_t port_name[WWN_SIZE];
uint8_t node_name[WWN_SIZE];
};
/* 84XX Support **************************************************************/
#define MBA_ISP84XX_ALERT 0x800f /* Alert Notification. */

2
drivers/scsi/qla2xxx/qla_gbl.h
View File

@ -316,6 +316,8 @@ extern int qla2xxx_hw_event_log(scsi_qla_host_t *, uint16_t , uint16_t,
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 *);
/*
* Global Function Prototypes in qla_dbg.c source file.
*/

7
drivers/scsi/qla2xxx/qla_os.c
View File

@ -1517,6 +1517,7 @@ qla2xxx_scan_start(struct Scsi_Host *shost)
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
set_bit(RSCN_UPDATE, &ha->dpc_flags);
set_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
}
static int
@ -2431,6 +2432,12 @@ qla2x00_do_dpc(void *data)
ha->host_no));
}
if (test_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags) &&
atomic_read(&ha->loop_state) == LOOP_READY) {
clear_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
qla2xxx_flash_npiv_conf(ha);
}
if (!ha->interrupts_on)
ha->isp_ops->enable_intrs(ha);

98
drivers/scsi/qla2xxx/qla_sup.c
View File

@ -686,6 +686,14 @@ qla2xxx_get_flt_info(scsi_qla_host_t *ha, uint32_t flt_addr)
if (PCI_FUNC(ha->pdev->devfn))
ha->flt_region_hw_event = start;
break;
case FLT_REG_NPIV_CONF_0:
if (!PCI_FUNC(ha->pdev->devfn))
ha->flt_region_npiv_conf = start;
break;
case FLT_REG_NPIV_CONF_1:
if (PCI_FUNC(ha->pdev->devfn))
ha->flt_region_npiv_conf = start;
break;
}
}
goto done;
@ -700,11 +708,15 @@ no_flash_data:
FA_FLASH_DESCR_ADDR;
ha->flt_region_hw_event = !PCI_FUNC(ha->pdev->devfn) ?
FA_HW_EVENT0_ADDR: FA_HW_EVENT1_ADDR;
ha->flt_region_npiv_conf = !PCI_FUNC(ha->pdev->devfn) ?
(IS_QLA24XX_TYPE(ha) ? FA_NPIV_CONF0_ADDR_24: FA_NPIV_CONF0_ADDR):
(IS_QLA24XX_TYPE(ha) ? FA_NPIV_CONF1_ADDR_24: FA_NPIV_CONF1_ADDR);
done:
DEBUG2(qla_printk(KERN_DEBUG, ha, "FLT[%s]: boot=0x%x fw=0x%x "
"vpd_nvram=0x%x fdt=0x%x flt=0x%x hwe=0x%x.\n", loc,
"vpd_nvram=0x%x fdt=0x%x flt=0x%x hwe=0x%x npiv=0x%x.\n", loc,
ha->flt_region_boot, ha->flt_region_fw, ha->flt_region_vpd_nvram,
ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_hw_event));
ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_hw_event,
ha->flt_region_npiv_conf));
}
static void
@ -814,6 +826,88 @@ qla2xxx_get_flash_info(scsi_qla_host_t *ha)
return QLA_SUCCESS;
}
void
qla2xxx_flash_npiv_conf(scsi_qla_host_t *ha)
{
#define NPIV_CONFIG_SIZE (16*1024)
void *data;
uint16_t *wptr;
uint16_t cnt, chksum;
struct qla_npiv_header hdr;
struct qla_npiv_entry *entry;
if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
return;
ha->isp_ops->read_optrom(ha, (uint8_t *)&hdr,
ha->flt_region_npiv_conf << 2, sizeof(struct qla_npiv_header));
if (hdr.version == __constant_cpu_to_le16(0xffff))
return;
if (hdr.version != __constant_cpu_to_le16(1)) {
DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported NPIV-Config "
"detected: version=0x%x entries=0x%x checksum=0x%x.\n",
le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
le16_to_cpu(hdr.checksum)));
return;
}
data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
if (!data) {
DEBUG2(qla_printk(KERN_INFO, ha, "NPIV-Config: Unable to "
"allocate memory.\n"));
return;
}
ha->isp_ops->read_optrom(ha, (uint8_t *)data,
ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE);
cnt = (sizeof(struct qla_npiv_header) + le16_to_cpu(hdr.entries) *
sizeof(struct qla_npiv_entry)) >> 1;
for (wptr = data, chksum = 0; cnt; cnt--)
chksum += le16_to_cpu(*wptr++);
if (chksum) {
DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent NPIV-Config "
"detected: version=0x%x entries=0x%x checksum=0x%x.\n",
le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
chksum));
goto done;
}
entry = data + sizeof(struct qla_npiv_header);
cnt = le16_to_cpu(hdr.entries);
for ( ; cnt; cnt--, entry++) {
uint16_t flags;
struct fc_vport_identifiers vid;
struct fc_vport *vport;
flags = le16_to_cpu(entry->flags);
if (flags == 0xffff)
continue;
if ((flags & BIT_0) == 0)
continue;
memset(&vid, 0, sizeof(vid));
vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
vid.vport_type = FC_PORTTYPE_NPIV;
vid.disable = false;
vid.port_name = wwn_to_u64(entry->port_name);
vid.node_name = wwn_to_u64(entry->node_name);
DEBUG2(qla_printk(KERN_DEBUG, ha, "NPIV[%02x]: wwpn=%llx "
"wwnn=%llx vf_id=0x%x qos=0x%x.\n", cnt, vid.port_name,
vid.node_name, le16_to_cpu(entry->vf_id),
le16_to_cpu(entry->qos)));
vport = fc_vport_create(ha->host, 0, &vid);
if (!vport)
qla_printk(KERN_INFO, ha, "NPIV-Config: Failed to "
"create vport [%02x]: wwpn=%llx wwnn=%llx.\n", cnt,
vid.port_name, vid.node_name);
}
done:
kfree(data);
}
static void
qla24xx_unprotect_flash(scsi_qla_host_t *ha)
{