From 6396feabf7a4104a4ddfecc00b8aac535c631a66 Mon Sep 17 00:00:00 2001 From: Moti Haimovski Date: Wed, 19 Aug 2020 17:40:33 +0300 Subject: habanalabs: prevent user buff overflow This commit fixes a potential debugfs issue that may occur when reading the clock gating mask into the user buffer since the user buffer size was not taken into consideration. Signed-off-by: Moti Haimovski Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/common/debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c index 37701e4f9d5a..aa77771635d3 100644 --- a/drivers/misc/habanalabs/common/debugfs.c +++ b/drivers/misc/habanalabs/common/debugfs.c @@ -982,7 +982,7 @@ static ssize_t hl_clk_gate_read(struct file *f, char __user *buf, return 0; sprintf(tmp_buf, "0x%llx\n", hdev->clock_gating_mask); - rc = simple_read_from_buffer(buf, strlen(tmp_buf) + 1, ppos, tmp_buf, + rc = simple_read_from_buffer(buf, count, ppos, tmp_buf, strlen(tmp_buf) + 1); return rc; -- cgit From 69c6e18d0ce9980c8c6708f1fdb4ba843f8df172 Mon Sep 17 00:00:00 2001 From: Ofir Bitton Date: Wed, 26 Aug 2020 17:34:26 +0300 Subject: habanalabs: fix report of RAZWI initiator coordinates All initiator coordinates received upon an 'MMU page fault RAZWI event' should be the routers coordinates, the only exception is the DMA initiators for which the reported coordinates correspond to their actual location. Signed-off-by: Ofir Bitton Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- .../misc/habanalabs/include/gaudi/gaudi_masks.h | 32 +++++++++++----------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_masks.h b/drivers/misc/habanalabs/include/gaudi/gaudi_masks.h index 13ef6b2887fd..3510c42d24e3 100644 --- a/drivers/misc/habanalabs/include/gaudi/gaudi_masks.h +++ b/drivers/misc/habanalabs/include/gaudi/gaudi_masks.h @@ -378,15 +378,15 @@ enum axi_id { ((((y) & RAZWI_INITIATOR_Y_MASK) << RAZWI_INITIATOR_Y_SHIFT) | \ (((x) & RAZWI_INITIATOR_X_MASK) << RAZWI_INITIATOR_X_SHIFT)) -#define RAZWI_INITIATOR_ID_X_Y_TPC0_NIC0 RAZWI_INITIATOR_ID_X_Y(1, 0) -#define RAZWI_INITIATOR_ID_X_Y_TPC1 RAZWI_INITIATOR_ID_X_Y(2, 0) -#define RAZWI_INITIATOR_ID_X_Y_MME0_0 RAZWI_INITIATOR_ID_X_Y(3, 0) -#define RAZWI_INITIATOR_ID_X_Y_MME0_1 RAZWI_INITIATOR_ID_X_Y(4, 0) -#define RAZWI_INITIATOR_ID_X_Y_MME1_0 RAZWI_INITIATOR_ID_X_Y(5, 0) -#define RAZWI_INITIATOR_ID_X_Y_MME1_1 RAZWI_INITIATOR_ID_X_Y(6, 0) -#define RAZWI_INITIATOR_ID_X_Y_TPC2 RAZWI_INITIATOR_ID_X_Y(7, 0) +#define RAZWI_INITIATOR_ID_X_Y_TPC0_NIC0 RAZWI_INITIATOR_ID_X_Y(1, 1) +#define RAZWI_INITIATOR_ID_X_Y_TPC1 RAZWI_INITIATOR_ID_X_Y(2, 1) +#define RAZWI_INITIATOR_ID_X_Y_MME0_0 RAZWI_INITIATOR_ID_X_Y(3, 1) +#define RAZWI_INITIATOR_ID_X_Y_MME0_1 RAZWI_INITIATOR_ID_X_Y(4, 1) +#define RAZWI_INITIATOR_ID_X_Y_MME1_0 RAZWI_INITIATOR_ID_X_Y(5, 1) +#define RAZWI_INITIATOR_ID_X_Y_MME1_1 RAZWI_INITIATOR_ID_X_Y(6, 1) +#define RAZWI_INITIATOR_ID_X_Y_TPC2 RAZWI_INITIATOR_ID_X_Y(7, 1) #define RAZWI_INITIATOR_ID_X_Y_TPC3_PCI_CPU_PSOC \ - RAZWI_INITIATOR_ID_X_Y(8, 0) + RAZWI_INITIATOR_ID_X_Y(8, 1) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_0 RAZWI_INITIATOR_ID_X_Y(0, 1) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_S_0 RAZWI_INITIATOR_ID_X_Y(9, 1) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_S_1 RAZWI_INITIATOR_ID_X_Y(0, 2) @@ -395,14 +395,14 @@ enum axi_id { #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_0 RAZWI_INITIATOR_ID_X_Y(9, 3) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_W_N_1 RAZWI_INITIATOR_ID_X_Y(0, 4) #define RAZWI_INITIATOR_ID_X_Y_DMA_IF_E_N_1 RAZWI_INITIATOR_ID_X_Y(9, 4) -#define RAZWI_INITIATOR_ID_X_Y_TPC4_NIC1_NIC2 RAZWI_INITIATOR_ID_X_Y(1, 5) -#define RAZWI_INITIATOR_ID_X_Y_TPC5 RAZWI_INITIATOR_ID_X_Y(2, 5) -#define RAZWI_INITIATOR_ID_X_Y_MME2_0 RAZWI_INITIATOR_ID_X_Y(3, 5) -#define RAZWI_INITIATOR_ID_X_Y_MME2_1 RAZWI_INITIATOR_ID_X_Y(4, 5) -#define RAZWI_INITIATOR_ID_X_Y_MME3_0 RAZWI_INITIATOR_ID_X_Y(5, 5) -#define RAZWI_INITIATOR_ID_X_Y_MME3_1 RAZWI_INITIATOR_ID_X_Y(6, 5) -#define RAZWI_INITIATOR_ID_X_Y_TPC6 RAZWI_INITIATOR_ID_X_Y(7, 5) -#define RAZWI_INITIATOR_ID_X_Y_TPC7_NIC4_NIC5 RAZWI_INITIATOR_ID_X_Y(8, 5) +#define RAZWI_INITIATOR_ID_X_Y_TPC4_NIC1_NIC2 RAZWI_INITIATOR_ID_X_Y(1, 6) +#define RAZWI_INITIATOR_ID_X_Y_TPC5 RAZWI_INITIATOR_ID_X_Y(2, 6) +#define RAZWI_INITIATOR_ID_X_Y_MME2_0 RAZWI_INITIATOR_ID_X_Y(3, 6) +#define RAZWI_INITIATOR_ID_X_Y_MME2_1 RAZWI_INITIATOR_ID_X_Y(4, 6) +#define RAZWI_INITIATOR_ID_X_Y_MME3_0 RAZWI_INITIATOR_ID_X_Y(5, 6) +#define RAZWI_INITIATOR_ID_X_Y_MME3_1 RAZWI_INITIATOR_ID_X_Y(6, 6) +#define RAZWI_INITIATOR_ID_X_Y_TPC6 RAZWI_INITIATOR_ID_X_Y(7, 6) +#define RAZWI_INITIATOR_ID_X_Y_TPC7_NIC4_NIC5 RAZWI_INITIATOR_ID_X_Y(8, 6) #define PSOC_ETR_AXICTL_PROTCTRLBIT1_SHIFT 1 -- cgit