diff options
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudi.c | 35 | ||||
-rw-r--r-- | drivers/misc/habanalabs/goya/goya.c | 31 |
2 files changed, 66 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 00a0a7238d81..9ed4989b6fd4 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -154,6 +154,29 @@ static const u16 gaudi_packet_sizes[MAX_PACKET_ID] = { [PACKET_LOAD_AND_EXE] = sizeof(struct packet_load_and_exe) }; +static inline bool validate_packet_id(enum packet_id id) +{ + switch (id) { + case PACKET_WREG_32: + case PACKET_WREG_BULK: + case PACKET_MSG_LONG: + case PACKET_MSG_SHORT: + case PACKET_CP_DMA: + case PACKET_REPEAT: + case PACKET_MSG_PROT: + case PACKET_FENCE: + case PACKET_LIN_DMA: + case PACKET_NOP: + case PACKET_STOP: + case PACKET_ARB_POINT: + case PACKET_WAIT: + case PACKET_LOAD_AND_EXE: + return true; + default: + return false; + } +} + static const char * const gaudi_tpc_interrupts_cause[GAUDI_NUM_OF_TPC_INTR_CAUSE] = { "tpc_address_exceed_slm", @@ -3772,6 +3795,12 @@ static int gaudi_validate_cb(struct hl_device *hdev, PACKET_HEADER_PACKET_ID_MASK) >> PACKET_HEADER_PACKET_ID_SHIFT); + if (!validate_packet_id(pkt_id)) { + dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id); + rc = -EINVAL; + break; + } + pkt_size = gaudi_packet_sizes[pkt_id]; cb_parsed_length += pkt_size; if (cb_parsed_length > parser->user_cb_size) { @@ -3995,6 +4024,12 @@ static int gaudi_patch_cb(struct hl_device *hdev, PACKET_HEADER_PACKET_ID_MASK) >> PACKET_HEADER_PACKET_ID_SHIFT); + if (!validate_packet_id(pkt_id)) { + dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id); + rc = -EINVAL; + break; + } + pkt_size = gaudi_packet_sizes[pkt_id]; cb_parsed_length += pkt_size; if (cb_parsed_length > parser->user_cb_size) { diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 85030759b2af..33cd2ae653d2 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -139,6 +139,25 @@ static u16 goya_packet_sizes[MAX_PACKET_ID] = { [PACKET_STOP] = sizeof(struct packet_stop) }; +static inline bool validate_packet_id(enum packet_id id) +{ + switch (id) { + case PACKET_WREG_32: + case PACKET_WREG_BULK: + case PACKET_MSG_LONG: + case PACKET_MSG_SHORT: + case PACKET_CP_DMA: + case PACKET_MSG_PROT: + case PACKET_FENCE: + case PACKET_LIN_DMA: + case PACKET_NOP: + case PACKET_STOP: + return true; + default: + return false; + } +} + static u64 goya_mmu_regs[GOYA_MMU_REGS_NUM] = { mmDMA_QM_0_GLBL_NON_SECURE_PROPS, mmDMA_QM_1_GLBL_NON_SECURE_PROPS, @@ -3455,6 +3474,12 @@ static int goya_validate_cb(struct hl_device *hdev, PACKET_HEADER_PACKET_ID_MASK) >> PACKET_HEADER_PACKET_ID_SHIFT); + if (!validate_packet_id(pkt_id)) { + dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id); + rc = -EINVAL; + break; + } + pkt_size = goya_packet_sizes[pkt_id]; cb_parsed_length += pkt_size; if (cb_parsed_length > parser->user_cb_size) { @@ -3690,6 +3715,12 @@ static int goya_patch_cb(struct hl_device *hdev, PACKET_HEADER_PACKET_ID_MASK) >> PACKET_HEADER_PACKET_ID_SHIFT); + if (!validate_packet_id(pkt_id)) { + dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id); + rc = -EINVAL; + break; + } + pkt_size = goya_packet_sizes[pkt_id]; cb_parsed_length += pkt_size; if (cb_parsed_length > parser->user_cb_size) { |