From b57014def9afc2bd8a62299d2f51b77dad5ae0c7 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Thu, 19 Nov 2009 17:10:07 -0700 Subject: [PATCH] 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 --- drivers/dma/ioat/dma.h | 4 +--- drivers/dma/ioat/dma_v2.c | 2 ++ drivers/dma/ioat/dma_v3.c | 2 ++ 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h index c14fdfe..45edde9 100644 --- a/drivers/dma/ioat/dma.h +++ b/drivers/dma/ioat/dma.h @@ -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, diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c index 96ffab7..8f1f7f0 100644 --- a/drivers/dma/ioat/dma_v2.c +++ b/drivers/dma/ioat/dma_v2.c @@ -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)); } diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index fad2e9f..252cf2d 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -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)); } -- 2.7.4