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ioat2,3: report all uncorrectable errors 

Modify is_ioat_bug() to catch all errors that are uncorrectable, or not
currently handled.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2009-11-19 17:10:07 -07:00
parent de581b65f6
commit b57014def9
3 changed files with 5 additions and 3 deletions
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4
drivers/dma/ioat/dma.h
View File

@ -297,9 +297,7 @@ static inline bool is_ioat_suspended(unsigned long status)
/* channel was fatally programmed */
static inline bool is_ioat_bug(unsigned long err)
{
return !!(err & (IOAT_CHANERR_SRC_ADDR_ERR|IOAT_CHANERR_DEST_ADDR_ERR|
IOAT_CHANERR_NEXT_ADDR_ERR|IOAT_CHANERR_CONTROL_ERR|
IOAT_CHANERR_LENGTH_ERR));
return !!err;
}
static inline void ioat_unmap(struct pci_dev *pdev, dma_addr_t addr, size_t len,

2
drivers/dma/ioat/dma_v2.c
View File

@ -279,6 +279,8 @@ void ioat2_timer_event(unsigned long data)
u32 chanerr;
chanerr = readl(chan->reg_base + IOAT_CHANERR_OFFSET);
dev_err(to_dev(chan), "%s: Channel halted (%x)\n",
__func__, chanerr);
BUG_ON(is_ioat_bug(chanerr));
}

2
drivers/dma/ioat/dma_v3.c
View File

@ -378,6 +378,8 @@ static void ioat3_timer_event(unsigned long data)
u32 chanerr;
chanerr = readl(chan->reg_base + IOAT_CHANERR_OFFSET);
dev_err(to_dev(chan), "%s: Channel halted (%x)\n",
__func__, chanerr);
BUG_ON(is_ioat_bug(chanerr));
}