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[SCSI] lpfc 8.3.42: Avoided making pci bar ioremap call during dual-chute WQ/RQ pci bar selection 

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2013-09-06 12:21:09 -04:00 committed by James Bottomley
parent 1b8d11ab82
commit f5ca6f2e77
2 changed files with 12 additions and 38 deletions
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34
drivers/scsi/lpfc/lpfc_init.c
View File

@ -7135,19 +7135,6 @@ lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
phba->sli4_hba.fcp_wq = NULL;
}
if (phba->pci_bar0_memmap_p) {
iounmap(phba->pci_bar0_memmap_p);
phba->pci_bar0_memmap_p = NULL;
}
if (phba->pci_bar2_memmap_p) {
iounmap(phba->pci_bar2_memmap_p);
phba->pci_bar2_memmap_p = NULL;
}
if (phba->pci_bar4_memmap_p) {
iounmap(phba->pci_bar4_memmap_p);
phba->pci_bar4_memmap_p = NULL;
}
/* Release FCP CQ mapping array */
if (phba->sli4_hba.fcp_cq_map != NULL) {
kfree(phba->sli4_hba.fcp_cq_map);
@ -7936,9 +7923,9 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
* particular PCI BARs regions is dependent on the type of
* SLI4 device.
*/
if (pci_resource_start(pdev, 0)) {
phba->pci_bar0_map = pci_resource_start(pdev, 0);
bar0map_len = pci_resource_len(pdev, 0);
if (pci_resource_start(pdev, PCI_64BIT_BAR0)) {
phba->pci_bar0_map = pci_resource_start(pdev, PCI_64BIT_BAR0);
bar0map_len = pci_resource_len(pdev, PCI_64BIT_BAR0);
/*
* Map SLI4 PCI Config Space Register base to a kernel virtual
@ -7952,6 +7939,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
"registers.\n");
goto out;
}
phba->pci_bar0_memmap_p = phba->sli4_hba.conf_regs_memmap_p;
/* Set up BAR0 PCI config space register memory map */
lpfc_sli4_bar0_register_memmap(phba, if_type);
} else {
@ -7974,13 +7962,13 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
}
if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
(pci_resource_start(pdev, 2))) {
(pci_resource_start(pdev, PCI_64BIT_BAR2))) {
/*
* Map SLI4 if type 0 HBA Control Register base to a kernel
* virtual address and setup the registers.
*/
phba->pci_bar1_map = pci_resource_start(pdev, 2);
bar1map_len = pci_resource_len(pdev, 2);
phba->pci_bar1_map = pci_resource_start(pdev, PCI_64BIT_BAR2);
bar1map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
phba->sli4_hba.ctrl_regs_memmap_p =
ioremap(phba->pci_bar1_map, bar1map_len);
if (!phba->sli4_hba.ctrl_regs_memmap_p) {
@ -7988,17 +7976,18 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
"ioremap failed for SLI4 HBA control registers.\n");
goto out_iounmap_conf;
}
phba->pci_bar2_memmap_p = phba->sli4_hba.ctrl_regs_memmap_p;
lpfc_sli4_bar1_register_memmap(phba);
}
if ((if_type == LPFC_SLI_INTF_IF_TYPE_0) &&
(pci_resource_start(pdev, 4))) {
(pci_resource_start(pdev, PCI_64BIT_BAR4))) {
/*
* Map SLI4 if type 0 HBA Doorbell Register base to a kernel
* virtual address and setup the registers.
*/
phba->pci_bar2_map = pci_resource_start(pdev, 4);
bar2map_len = pci_resource_len(pdev, 4);
phba->pci_bar2_map = pci_resource_start(pdev, PCI_64BIT_BAR4);
bar2map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
phba->sli4_hba.drbl_regs_memmap_p =
ioremap(phba->pci_bar2_map, bar2map_len);
if (!phba->sli4_hba.drbl_regs_memmap_p) {
@ -8006,6 +7995,7 @@ lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
"ioremap failed for SLI4 HBA doorbell registers.\n");
goto out_iounmap_ctrl;
}
phba->pci_bar4_memmap_p = phba->sli4_hba.drbl_regs_memmap_p;
error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
if (error)
goto out_iounmap_all;

16
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -12233,7 +12233,6 @@ static void __iomem *
lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset)
{
struct pci_dev *pdev;
unsigned long bar_map, bar_map_len;
if (!phba->pcidev)
return NULL;
@ -12242,25 +12241,10 @@ lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset)
switch (pci_barset) {
case WQ_PCI_BAR_0_AND_1:
if (!phba->pci_bar0_memmap_p) {
bar_map = pci_resource_start(pdev, PCI_64BIT_BAR0);
bar_map_len = pci_resource_len(pdev, PCI_64BIT_BAR0);
phba->pci_bar0_memmap_p = ioremap(bar_map, bar_map_len);
}
return phba->pci_bar0_memmap_p;
case WQ_PCI_BAR_2_AND_3:
if (!phba->pci_bar2_memmap_p) {
bar_map = pci_resource_start(pdev, PCI_64BIT_BAR2);
bar_map_len = pci_resource_len(pdev, PCI_64BIT_BAR2);
phba->pci_bar2_memmap_p = ioremap(bar_map, bar_map_len);
}
return phba->pci_bar2_memmap_p;
case WQ_PCI_BAR_4_AND_5:
if (!phba->pci_bar4_memmap_p) {
bar_map = pci_resource_start(pdev, PCI_64BIT_BAR4);
bar_map_len = pci_resource_len(pdev, PCI_64BIT_BAR4);
phba->pci_bar4_memmap_p = ioremap(bar_map, bar_map_len);
}
return phba->pci_bar4_memmap_p;
default:
break;