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| author | Krishna Gudipati <kgudipat@brocade.com> | 2010-03-03 17:42:11 -0800 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-03-04 15:29:46 +0530 |
| commit | 4c147dd81966bd4ba7f026476237ba67ea72d5d9 (patch) | |
| tree | a01ed5dfc849dd166e3b1d1950d286ff2db10a42 | |
| parent | fac829fdcaf451a20106cbc468ff886466320956 (diff) | |
| download | linux-4c147dd81966bd4ba7f026476237ba67ea72d5d9.tar.gz linux-4c147dd81966bd4ba7f026476237ba67ea72d5d9.tar.bz2 linux-4c147dd81966bd4ba7f026476237ba67ea72d5d9.zip | |
[SCSI] bfa: Added separate MSI-X module parameters.
Added separate MSI-X module parameters to selectively
enable / disable MSI-X interrupts for both Brocade HBA and CNA's.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| -rw-r--r-- | drivers/scsi/bfa/bfad_attr.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/bfa/bfad_intr.c | 11 |
2 files changed, 11 insertions, 3 deletions
diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c index 9129ae3040ff..adf801dbfa15 100644 --- a/drivers/scsi/bfa/bfad_attr.c +++ b/drivers/scsi/bfa/bfad_attr.c @@ -229,7 +229,9 @@ bfad_im_get_host_speed(struct Scsi_Host *shost) (struct bfad_im_port_s *) shost->hostdata[0]; struct bfad_s *bfad = im_port->bfad; struct bfa_pport_attr_s attr; + unsigned long flags; + spin_lock_irqsave(shost->host_lock, flags); bfa_pport_get_attr(&bfad->bfa, &attr); switch (attr.speed) { case BFA_PPORT_SPEED_8GBPS: @@ -248,6 +250,7 @@ bfad_im_get_host_speed(struct Scsi_Host *shost) fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; break; } + spin_unlock_irqrestore(shost->host_lock, flags); } /** diff --git a/drivers/scsi/bfa/bfad_intr.c b/drivers/scsi/bfa/bfad_intr.c index 7de8832f6fee..2b7dbecbebca 100644 --- a/drivers/scsi/bfa/bfad_intr.c +++ b/drivers/scsi/bfa/bfad_intr.c @@ -23,8 +23,10 @@ BFA_TRC_FILE(LDRV, INTR); /** * bfa_isr BFA driver interrupt functions */ -static int msix_disable; -module_param(msix_disable, int, S_IRUGO | S_IWUSR); +static int msix_disable_cb; +static int msix_disable_ct; +module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR); +module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR); /** * Line based interrupt handler. */ @@ -141,6 +143,7 @@ bfad_setup_intr(struct bfad_s *bfad) int error = 0; u32 mask = 0, i, num_bit = 0, max_bit = 0; struct msix_entry msix_entries[MAX_MSIX_ENTRY]; + struct pci_dev *pdev = bfad->pcidev; /* Call BFA to get the msix map for this PCI function. */ bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); @@ -148,7 +151,9 @@ bfad_setup_intr(struct bfad_s *bfad) /* Set up the msix entry table */ bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); - if (!msix_disable) { + if ((pdev->device == BFA_PCI_DEVICE_ID_CT && !msix_disable_ct) || + (pdev->device != BFA_PCI_DEVICE_ID_CT && !msix_disable_cb)) { + error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); if (error) { /* |