diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/context.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/context.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/common/context.c b/drivers/misc/habanalabs/common/context.c index 1001c65c5e7a..4d922e4d0393 100644 --- a/drivers/misc/habanalabs/common/context.c +++ b/drivers/misc/habanalabs/common/context.c @@ -229,7 +229,17 @@ int hl_ctx_put(struct hl_ctx *ctx) return kref_put(&ctx->refcount, hl_ctx_do_release); } -/* this function shall be called with cs_lock locked */ +/* + * hl_ctx_get_fence_locked - get CS fence under CS lock + * + * @ctx: pointer to the context structure. + * @seq: CS sequences number + * + * @return valid fence pointer on success, NULL if fence is gone, otherwise + * error pointer. + * + * NOTE: this function shall be called with cs_lock locked + */ static struct hl_fence *hl_ctx_get_fence_locked(struct hl_ctx *ctx, u64 seq) { struct asic_fixed_properties *asic_prop = &ctx->hdev->asic_prop; @@ -259,6 +269,16 @@ struct hl_fence *hl_ctx_get_fence(struct hl_ctx *ctx, u64 seq) return fence; } +/* + * hl_ctx_get_fences - get multiple CS fences under the same CS lock + * + * @ctx: pointer to the context structure. + * @seq_arr: array of CS sequences to wait for + * @fence: fence array to store the CS fences + * @arr_len: length of seq_arr and fence_arr + * + * @return 0 on success, otherwise non 0 error code + */ int hl_ctx_get_fences(struct hl_ctx *ctx, u64 *seq_arr, struct hl_fence **fence, u32 arr_len) { |