diff options
| -rw-r--r-- | drivers/scsi/hpsa.c | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index d903cc690eb9..f8b614b591e4 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -126,7 +126,8 @@ static struct board_type products[] = { static int number_of_controllers; -static irqreturn_t do_hpsa_intr(int irq, void *dev_id); +static irqreturn_t do_hpsa_intr_intx(int irq, void *dev_id); +static irqreturn_t do_hpsa_intr_msi(int irq, void *dev_id); static int hpsa_ioctl(struct scsi_device *dev, int cmd, void *arg); static void start_io(struct ctlr_info *h); @@ -2858,9 +2859,8 @@ static inline bool interrupt_pending(struct ctlr_info *h) static inline long interrupt_not_for_us(struct ctlr_info *h) { - return !(h->msi_vector || h->msix_vector) && - ((h->access.intr_pending(h) == 0) || - (h->interrupts_enabled == 0)); + return (h->access.intr_pending(h) == 0) || + (h->interrupts_enabled == 0); } static inline int bad_tag(struct ctlr_info *h, u32 tag_index, @@ -2934,7 +2934,7 @@ static inline u32 process_nonindexed_cmd(struct ctlr_info *h, return next_command(h); } -static irqreturn_t do_hpsa_intr(int irq, void *dev_id) +static irqreturn_t do_hpsa_intr_intx(int irq, void *dev_id) { struct ctlr_info *h = dev_id; unsigned long flags; @@ -2943,6 +2943,26 @@ static irqreturn_t do_hpsa_intr(int irq, void *dev_id) if (interrupt_not_for_us(h)) return IRQ_NONE; spin_lock_irqsave(&h->lock, flags); + while (interrupt_pending(h)) { + raw_tag = get_next_completion(h); + while (raw_tag != FIFO_EMPTY) { + if (hpsa_tag_contains_index(raw_tag)) + raw_tag = process_indexed_cmd(h, raw_tag); + else + raw_tag = process_nonindexed_cmd(h, raw_tag); + } + } + spin_unlock_irqrestore(&h->lock, flags); + return IRQ_HANDLED; +} + +static irqreturn_t do_hpsa_intr_msi(int irq, void *dev_id) +{ + struct ctlr_info *h = dev_id; + unsigned long flags; + u32 raw_tag; + + spin_lock_irqsave(&h->lock, flags); raw_tag = get_next_completion(h); while (raw_tag != FIFO_EMPTY) { if (hpsa_tag_contains_index(raw_tag)) @@ -3754,8 +3774,13 @@ static int __devinit hpsa_init_one(struct pci_dev *pdev, /* make sure the board interrupts are off */ h->access.set_intr_mask(h, HPSA_INTR_OFF); - rc = request_irq(h->intr[PERF_MODE_INT], do_hpsa_intr, - IRQF_DISABLED, h->devname, h); + + if (h->msix_vector || h->msi_vector) + rc = request_irq(h->intr[PERF_MODE_INT], do_hpsa_intr_msi, + IRQF_DISABLED, h->devname, h); + else + rc = request_irq(h->intr[PERF_MODE_INT], do_hpsa_intr_intx, + IRQF_DISABLED, h->devname, h); if (rc) { dev_err(&pdev->dev, "unable to get irq %d for %s\n", h->intr[PERF_MODE_INT], h->devname); |