habanalabs: block scalar load_and_exe on external queue (64536abc) · Commits · 戴 / test

drivers/misc/habanalabs/gaudi/gaudi.c

+24 −1

Original line number	Diff line number	Diff line
		@@ -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;

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;