diff options
| -rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudi.c | 25 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/include/gaudi/gaudi_packets.h | 3 |
2 files changed, 27 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 61f88e9884ce..f34ac8d35a14 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -3790,6 +3790,25 @@ static int gaudi_validate_dma_pkt_no_mmu(struct hl_device *hdev, src_in_host); } +static int gaudi_validate_load_and_exe_pkt(struct hl_device *hdev, + struct hl_cs_parser *parser, + struct packet_load_and_exe *user_pkt) +{ + u32 cfg; + + cfg = le32_to_cpu(user_pkt->cfg); + + if (cfg & GAUDI_PKT_LOAD_AND_EXE_CFG_DST_MASK) { + dev_err(hdev->dev, + "User not allowed to use Load and Execute\n"); + return -EPERM; + } + + parser->patched_cb_size += sizeof(struct packet_load_and_exe); + + return 0; +} + static int gaudi_validate_cb(struct hl_device *hdev, struct hl_cs_parser *parser, bool is_mmu) { @@ -3838,6 +3857,11 @@ static int gaudi_validate_cb(struct hl_device *hdev, rc = -EPERM; break; + case PACKET_LOAD_AND_EXE: + rc = gaudi_validate_load_and_exe_pkt(hdev, parser, + (struct packet_load_and_exe *) user_pkt); + break; + case PACKET_LIN_DMA: parser->contains_dma_pkt = true; if (is_mmu) @@ -3855,7 +3879,6 @@ static int gaudi_validate_cb(struct hl_device *hdev, case PACKET_FENCE: case PACKET_NOP: case PACKET_ARB_POINT: - case PACKET_LOAD_AND_EXE: parser->patched_cb_size += pkt_size; break; diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h b/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h index 9a5800b0086b..0f0cd067bb43 100644 --- a/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h +++ b/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h @@ -197,6 +197,9 @@ struct packet_wait { __le32 ctl; }; +#define GAUDI_PKT_LOAD_AND_EXE_CFG_DST_SHIFT 0 +#define GAUDI_PKT_LOAD_AND_EXE_CFG_DST_MASK 0x00000001 + struct packet_load_and_exe { __le32 cfg; __le32 ctl; |