diff options
| author | Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> | 2017-02-02 15:53:22 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-02-03 10:35:03 -0500 |
| commit | 3ffd6c5a74d916a10afada8b679df8c964c1479b (patch) | |
| tree | 47132557109faf4c830253f4fdeac672bc32dadb /drivers/scsi/aacraid/src.c | |
| parent | 4ec57fb4edaec523f0f78a0449a3b063749ac58b (diff) | |
scsi: aacraid: Added support for response path
This patch enables the driver to actually process the I/O, or srb replies
from adapter. In addition to any HBA1000 or SmartIOC2000 adapter events.
Signed-off-by: Raghava Aditya Renukunta <raghavaaditya.renukunta@microsemi.com>
Signed-off-by: Dave Carroll <David.Carroll@microsemi.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aacraid/src.c')
| -rw-r--r-- | drivers/scsi/aacraid/src.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c index a5f7a6f2f3d7..5508893ca8b7 100644 --- a/drivers/scsi/aacraid/src.c +++ b/drivers/scsi/aacraid/src.c @@ -135,8 +135,16 @@ static irqreturn_t aac_src_intr_message(int irq, void *dev_id) if (mode & AAC_INT_MODE_AIF) { /* handle AIF */ - if (dev->aif_thread && dev->fsa_dev) - aac_intr_normal(dev, 0, 2, 0, NULL); + if (dev->sa_firmware) { + u32 events = src_readl(dev, MUnit.SCR0); + + aac_intr_normal(dev, events, 1, 0, NULL); + writel(events, &dev->IndexRegs->Mailbox[0]); + src_writel(dev, MUnit.IDR, 1 << 23); + } else { + if (dev->aif_thread && dev->fsa_dev) + aac_intr_normal(dev, 0, 2, 0, NULL); + } if (dev->msi_enabled) aac_src_access_devreg(dev, AAC_CLEAR_AIF_BIT); mode = 0; @@ -148,17 +156,19 @@ static irqreturn_t aac_src_intr_message(int irq, void *dev_id) for (;;) { isFastResponse = 0; /* remove toggle bit (31) */ - handle = (dev->host_rrq[index] & 0x7fffffff); - /* check fast response bit (30) */ + handle = le32_to_cpu((dev->host_rrq[index]) + & 0x7fffffff); + /* check fast response bits (30, 1) */ if (handle & 0x40000000) isFastResponse = 1; handle &= 0x0000ffff; if (handle == 0) break; + handle >>= 2; if (dev->msi_enabled && dev->max_msix > 1) atomic_dec(&dev->rrq_outstanding[vector_no]); + aac_intr_normal(dev, handle, 0, isFastResponse, NULL); dev->host_rrq[index++] = 0; - aac_intr_normal(dev, handle-1, 0, isFastResponse, NULL); if (index == (vector_no + 1) * dev->vector_cap) index = vector_no * dev->vector_cap; dev->host_rrq_idx[vector_no] = index; @@ -392,6 +402,7 @@ static void aac_src_start_adapter(struct aac_dev *dev) dev->host_rrq_idx[i] = i * dev->vector_cap; atomic_set(&dev->rrq_outstanding[i], 0); } + atomic_set(&dev->msix_counter, 0); dev->fibs_pushed_no = 0; init = dev->init; @@ -565,9 +576,18 @@ static int aac_srcv_ioremap(struct aac_dev *dev, u32 size) dev->base = dev->regs.src.bar0 = NULL; return 0; } + + dev->regs.src.bar1 = + ioremap(pci_resource_start(dev->pdev, 2), AAC_MIN_SRCV_BAR1_SIZE); + dev->base = NULL; + if (dev->regs.src.bar1 == NULL) + return -1; dev->base = dev->regs.src.bar0 = ioremap(dev->base_start, size); - if (dev->base == NULL) + if (dev->base == NULL) { + iounmap(dev->regs.src.bar1); + dev->regs.src.bar1 = NULL; return -1; + } dev->IndexRegs = &((struct src_registers __iomem *) dev->base)->u.denali.IndexRegs; return 0; @@ -918,9 +938,9 @@ int aac_srcv_init(struct aac_dev *dev) if (aac_acquire_irq(dev)) goto error_iounmap; - dev->dbg_base = dev->base_start; - dev->dbg_base_mapped = dev->base; - dev->dbg_size = dev->base_size; + dev->dbg_base = pci_resource_start(dev->pdev, 2); + dev->dbg_base_mapped = dev->regs.src.bar1; + dev->dbg_size = AAC_MIN_SRCV_BAR1_SIZE; dev->a_ops.adapter_enable_int = aac_src_enable_interrupt_message; aac_adapter_enable_int(dev); |