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[SCSI] hpsa: get ioaccel mode 2 i/o working

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Signed-off-by: Scott Teel <scott.teel@hp.com>
Signed-off-by: Joe Handzik <Joseph.T.Handzik@hp.com>
Signed-off-by: Mike Miller <michael.miller@canonical.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Scott Teel
2014-02-18 13:56:34 -06:00
committed by James Bottomley
parent b9af4937e6
commit c349775e4c
3 changed files with 327 additions and 19 deletions
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20
drivers/scsi/hpsa.h
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@@ -282,6 +282,18 @@ static void SA5_submit_command(struct ctlr_info *h,
(void) readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
}
static void SA5_submit_command_ioaccel2(struct ctlr_info *h,
struct CommandList *c)
{
dev_dbg(&h->pdev->dev, "Sending %x, tag = %x\n", c->busaddr,
c->Header.Tag.lower);
if (c->cmd_type == CMD_IOACCEL2)
writel(c->busaddr, h->vaddr + IOACCEL2_INBOUND_POSTQ_32);
else
writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
(void) readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
}
/*
* This card is the opposite of the other cards.
* 0 turns interrupts on...
@@ -475,6 +487,14 @@ static struct access_method SA5_ioaccel_mode1_access = {
SA5_ioaccel_mode1_completed,
};
static struct access_method SA5_ioaccel_mode2_access = {
SA5_submit_command_ioaccel2,
SA5_performant_intr_mask,
SA5_fifo_full,
SA5_performant_intr_pending,
SA5_performant_completed,
};
static struct access_method SA5_performant_access = {
SA5_submit_command,
SA5_performant_intr_mask,