habanalabs: fix command submission sanity check

When a CS is submitted, the ioctl handler checks the CS
flags and performs a sanity check, according to its value.
As new CS flags are added, the sanity check needs to be updated
according to the new flags.

Signed-off-by: Tal Cohen <talcohen@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c
index 90a4574cbe2d9fab705c3ef67e98ebe2344357b3..304e4f3b0e7ec0a6c27dc7253e7a2b362f296cf0 100644 (file)
--- a/drivers/misc/habanalabs/common/command_submission.c
+++ b/drivers/misc/habanalabs/common/command_submission.c
@@ -12,7 +12,9 @@
 #include <linux/slab.h>
 
 #define HL_CS_FLAGS_TYPE_MASK  (HL_CS_FLAGS_SIGNAL | HL_CS_FLAGS_WAIT | \
-                                       HL_CS_FLAGS_COLLECTIVE_WAIT)
+                       HL_CS_FLAGS_COLLECTIVE_WAIT | HL_CS_FLAGS_RESERVE_SIGNALS_ONLY | \
+                       HL_CS_FLAGS_UNRESERVE_SIGNALS_ONLY)
+
 
 #define MAX_TS_ITER_NUM 10
 
@@ -1253,6 +1255,7 @@ static int hl_cs_sanity_checks(struct hl_fpriv *hpriv, union hl_cs_args *args)
        u32 cs_type_flags, num_chunks;
        enum hl_device_status status;
        enum hl_cs_type cs_type;
+       bool is_sync_stream;
 
        if (!hl_device_operational(hdev, &status)) {
                return -EBUSY;
@@ -1276,9 +1279,10 @@ static int hl_cs_sanity_checks(struct hl_fpriv *hpriv, union hl_cs_args *args)
        cs_type = hl_cs_get_cs_type(cs_type_flags);
        num_chunks = args->in.num_chunks_execute;
 
-       if (unlikely((cs_type == CS_TYPE_SIGNAL || cs_type == CS_TYPE_WAIT ||
-                       cs_type == CS_TYPE_COLLECTIVE_WAIT) &&
-                       !hdev->supports_sync_stream)) {
+       is_sync_stream = (cs_type == CS_TYPE_SIGNAL || cs_type == CS_TYPE_WAIT ||
+                       cs_type == CS_TYPE_COLLECTIVE_WAIT);
+
+       if (unlikely(is_sync_stream && !hdev->supports_sync_stream)) {
                dev_err(hdev->dev, "Sync stream CS is not supported\n");
                return -EINVAL;
        }
@@ -1288,7 +1292,7 @@ static int hl_cs_sanity_checks(struct hl_fpriv *hpriv, union hl_cs_args *args)
                        dev_err(hdev->dev, "Got execute CS with 0 chunks, context %d\n", ctx->asid);
                        return -EINVAL;
                }
-       } else if (num_chunks != 1) {
+       } else if (is_sync_stream && num_chunks != 1) {
                dev_err(hdev->dev,
                        "Sync stream CS mandates one chunk only, context %d\n",
                        ctx->asid);