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>

3 files changed, 5 insertions, 3 deletions

diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index c14fdfeb7f33..45edde996480 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 96ffab7d37a7..8f1f7f05deaa 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 fad2e9fba490..252cf2d3f1da 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));
                 }