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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-30 22:36:02 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-30 22:36:02 +0400
commit6c6e3b828b2a13b923b9465fc4316c5bdc92291f (patch)
treeca027f7d7645c577ed76fcc8358163eb1689d8ae /drivers/scsi/lpfc/lpfc_init.c
parentc11abbbaa3252875c5740a6880b9a1a6f1e2a870 (diff)
parentd272281c390eb6c3f1e70ed0337c9e619d99cd9c (diff)
downloadlinux-6c6e3b828b2a13b923b9465fc4316c5bdc92291f.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (71 commits) [SCSI] fcoe: cleanup cpu selection for incoming requests [SCSI] fcoe: add fip retry to avoid missing critical keep alive [SCSI] libfc: fix warn on in lport retry [SCSI] libfc: Remove the reference to FCP packet from scsi_cmnd in case of error [SCSI] libfc: cleanup sending SRR request [SCSI] libfc: two minor changes in comments [SCSI] libfc, fcoe: ignore rx frame with wrong xid info [SCSI] libfc: release exchg cache [SCSI] libfc: use FC_MAX_ERROR_CNT [SCSI] fcoe: remove unused ptype field in fcoe_rcv_info [SCSI] bnx2fc: Update copyright and bump version to 1.0.4 [SCSI] bnx2fc: Tx BDs cache in write tasks [SCSI] bnx2fc: Do not arm CQ when there are no CQEs [SCSI] bnx2fc: hold tgt lock when calling cmd_release [SCSI] bnx2fc: Enable support for sequence level error recovery [SCSI] bnx2fc: HSI changes for tape [SCSI] bnx2fc: Handle REC_TOV error code from firmware [SCSI] bnx2fc: REC/SRR link service request and response handling [SCSI] bnx2fc: Support 'sequence cleanup' task [SCSI] dh_rdac: Associate HBA and storage in rdac_controller to support partitions in storage ...
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c90
1 files changed, 68 insertions, 22 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 148b98ddbb1d..a3c820083c36 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2927,6 +2927,8 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost)
sizeof fc_host_symbolic_name(shost));
fc_host_supported_speeds(shost) = 0;
+ if (phba->lmt & LMT_16Gb)
+ fc_host_supported_speeds(shost) |= FC_PORTSPEED_16GBIT;
if (phba->lmt & LMT_10Gb)
fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT;
if (phba->lmt & LMT_8Gb)
@@ -3632,8 +3634,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
lpfc_sli4_fcf_dead_failthrough(phba);
} else {
/* Reset FCF roundrobin bmask for new discovery */
- memset(phba->fcf.fcf_rr_bmask, 0,
- sizeof(*phba->fcf.fcf_rr_bmask));
+ lpfc_sli4_clear_fcf_rr_bmask(phba);
/*
* Handling fast FCF failover to a DEAD FCF event is
* considered equalivant to receiving CVL to all vports.
@@ -3647,7 +3648,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
" tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
vport = lpfc_find_vport_by_vpid(phba,
- acqe_fip->index - phba->vpi_base);
+ acqe_fip->index);
ndlp = lpfc_sli4_perform_vport_cvl(vport);
if (!ndlp)
break;
@@ -3719,8 +3720,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
* Reset FCF roundrobin bmask for new
* discovery.
*/
- memset(phba->fcf.fcf_rr_bmask, 0,
- sizeof(*phba->fcf.fcf_rr_bmask));
+ lpfc_sli4_clear_fcf_rr_bmask(phba);
}
break;
default:
@@ -4035,6 +4035,34 @@ lpfc_reset_hba(struct lpfc_hba *phba)
}
/**
+ * lpfc_sli_sriov_nr_virtfn_get - Get the number of sr-iov virtual functions
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This function enables the PCI SR-IOV virtual functions to a physical
+ * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
+ * enable the number of virtual functions to the physical function. As
+ * not all devices support SR-IOV, the return code from the pci_enable_sriov()
+ * API call does not considered as an error condition for most of the device.
+ **/
+uint16_t
+lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
+{
+ struct pci_dev *pdev = phba->pcidev;
+ uint16_t nr_virtfn;
+ int pos;
+
+ if (!pdev->is_physfn)
+ return 0;
+
+ pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
+ if (pos == 0)
+ return 0;
+
+ pci_read_config_word(pdev, pos + PCI_SRIOV_TOTAL_VF, &nr_virtfn);
+ return nr_virtfn;
+}
+
+/**
* lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
* @phba: pointer to lpfc hba data structure.
* @nr_vfn: number of virtual functions to be enabled.
@@ -4049,8 +4077,17 @@ int
lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
{
struct pci_dev *pdev = phba->pcidev;
+ uint16_t max_nr_vfn;
int rc;
+ max_nr_vfn = lpfc_sli_sriov_nr_virtfn_get(phba);
+ if (nr_vfn > max_nr_vfn) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "3057 Requested vfs (%d) greater than "
+ "supported vfs (%d)", nr_vfn, max_nr_vfn);
+ return -EINVAL;
+ }
+
rc = pci_enable_sriov(pdev, nr_vfn);
if (rc) {
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
@@ -4516,7 +4553,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
}
}
- return rc;
+ return 0;
out_free_fcp_eq_hdl:
kfree(phba->sli4_hba.fcp_eq_hdl);
@@ -4966,17 +5003,14 @@ out_free_mem:
* @phba: pointer to lpfc hba data structure.
*
* This routine is invoked to post rpi header templates to the
- * HBA consistent with the SLI-4 interface spec. This routine
+ * port for those SLI4 ports that do not support extents. This routine
* posts a PAGE_SIZE memory region to the port to hold up to
- * PAGE_SIZE modulo 64 rpi context headers.
- * No locks are held here because this is an initialization routine
- * called only from probe or lpfc_online when interrupts are not
- * enabled and the driver is reinitializing the device.
+ * PAGE_SIZE modulo 64 rpi context headers. This is an initialization routine
+ * and should be called only when interrupts are disabled.
*
* Return codes
* 0 - successful
- * -ENOMEM - No available memory
- * -EIO - The mailbox failed to complete successfully.
+ * -ERROR - otherwise.
**/
int
lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
@@ -5687,17 +5721,22 @@ lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba, uint32_t if_type)
break;
case LPFC_SLI_INTF_IF_TYPE_2:
phba->sli4_hba.u.if_type2.ERR1regaddr =
- phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_ERR_1;
+ phba->sli4_hba.conf_regs_memmap_p +
+ LPFC_CTL_PORT_ER1_OFFSET;
phba->sli4_hba.u.if_type2.ERR2regaddr =
- phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_ERR_2;
+ phba->sli4_hba.conf_regs_memmap_p +
+ LPFC_CTL_PORT_ER2_OFFSET;
phba->sli4_hba.u.if_type2.CTRLregaddr =
- phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_CNTRL;
+ phba->sli4_hba.conf_regs_memmap_p +
+ LPFC_CTL_PORT_CTL_OFFSET;
phba->sli4_hba.u.if_type2.STATUSregaddr =
- phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_STATUS;
+ phba->sli4_hba.conf_regs_memmap_p +
+ LPFC_CTL_PORT_STA_OFFSET;
phba->sli4_hba.SLIINTFregaddr =
phba->sli4_hba.conf_regs_memmap_p + LPFC_SLI_INTF;
phba->sli4_hba.PSMPHRregaddr =
- phba->sli4_hba.conf_regs_memmap_p + LPFC_SLIPORT_IF2_SMPHR;
+ phba->sli4_hba.conf_regs_memmap_p +
+ LPFC_CTL_PORT_SEM_OFFSET;
phba->sli4_hba.RQDBregaddr =
phba->sli4_hba.conf_regs_memmap_p + LPFC_RQ_DOORBELL;
phba->sli4_hba.WQDBregaddr =
@@ -8859,11 +8898,11 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
return -EINVAL;
}
lpfc_decode_firmware_rev(phba, fwrev, 1);
- if (strncmp(fwrev, image->rev_name, strnlen(fwrev, 16))) {
+ if (strncmp(fwrev, image->revision, strnlen(image->revision, 16))) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"3023 Updating Firmware. Current Version:%s "
"New Version:%s\n",
- fwrev, image->rev_name);
+ fwrev, image->revision);
for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
GFP_KERNEL);
@@ -8892,9 +8931,9 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
fw->size - offset);
break;
}
- temp_offset += SLI4_PAGE_SIZE;
memcpy(dmabuf->virt, fw->data + temp_offset,
SLI4_PAGE_SIZE);
+ temp_offset += SLI4_PAGE_SIZE;
}
rc = lpfc_wr_object(phba, &dma_buffer_list,
(fw->size - offset), &offset);
@@ -9005,6 +9044,7 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
}
INIT_LIST_HEAD(&phba->active_rrq_list);
+ INIT_LIST_HEAD(&phba->fcf.fcf_pri_list);
/* Set up common device driver resources */
error = lpfc_setup_driver_resource_phase2(phba);
@@ -9112,7 +9152,6 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
/* Check if there are static vports to be created. */
lpfc_create_static_vport(phba);
-
return 0;
out_disable_intr:
@@ -9483,6 +9522,13 @@ lpfc_io_slot_reset_s4(struct pci_dev *pdev)
}
pci_restore_state(pdev);
+
+ /*
+ * As the new kernel behavior of pci_restore_state() API call clears
+ * device saved_state flag, need to save the restored state again.
+ */
+ pci_save_state(pdev);
+
if (pdev->is_busmaster)
pci_set_master(pdev);