[SCSI] qla2xxx: Add NPIV-Config Table support.
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>
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 6de1e3b..e2432ef 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -686,6 +686,14 @@
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 @@
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 @@
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)
{