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Diffstat (limited to 'drivers/accel/habanalabs/gaudi2/gaudi2.c')
-rw-r--r--drivers/accel/habanalabs/gaudi2/gaudi2.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2.c b/drivers/accel/habanalabs/gaudi2/gaudi2.c
index 4981b8eb0ff5..1cb2b72e1cd2 100644
--- a/drivers/accel/habanalabs/gaudi2/gaudi2.c
+++ b/drivers/accel/habanalabs/gaudi2/gaudi2.c
@@ -162,6 +162,9 @@
#define PSOC_RAZWI_ENG_STR_SIZE 128
#define PSOC_RAZWI_MAX_ENG_PER_RTR 5
+/* HW scrambles only bits 0-25 */
+#define HW_UNSCRAMBLED_BITS_MASK GENMASK_ULL(63, 26)
+
struct gaudi2_razwi_info {
u32 axuser_xy;
u32 rtr_ctrl;
@@ -8835,11 +8838,16 @@ static void gaudi2_handle_page_error(struct hl_device *hdev, u64 mmu_base, bool
addr <<= 32;
addr |= RREG32(mmu_base + MMU_OFFSET(mmDCORE0_HMMU0_MMU_PAGE_ERROR_CAPTURE_VA));
- if (!is_pmmu)
+ if (is_pmmu) {
+ dev_err_ratelimited(hdev->dev, "PMMU page fault on va 0x%llx\n", addr);
+ } else {
+
addr = gaudi2_mmu_descramble_addr(hdev, addr);
+ addr &= HW_UNSCRAMBLED_BITS_MASK;
+ dev_err_ratelimited(hdev->dev, "HMMU page fault on va range 0x%llx - 0x%llx\n",
+ addr, addr + ~HW_UNSCRAMBLED_BITS_MASK);
+ }
- dev_err_ratelimited(hdev->dev, "%s page fault on va 0x%llx\n",
- is_pmmu ? "PMMU" : "HMMU", addr);
hl_handle_page_fault(hdev, addr, 0, is_pmmu, event_mask);
WREG32(mmu_base + MMU_OFFSET(mmDCORE0_HMMU0_MMU_ACCESS_PAGE_ERROR_VALID), 0);