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path: root/drivers/misc/habanalabs/gaudi/gaudi.c
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Diffstat (limited to 'drivers/misc/habanalabs/gaudi/gaudi.c')
-rw-r--r--drivers/misc/habanalabs/gaudi/gaudi.c44
1 files changed, 6 insertions, 38 deletions
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 2824d2f16a25..7828337eedce 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -5038,37 +5038,7 @@ static void gaudi_cpu_accessible_dma_pool_free(struct hl_device *hdev,
hl_fw_cpu_accessible_dma_pool_free(hdev, size, vaddr);
}
-static int gaudi_dma_map_sg(struct hl_device *hdev, struct scatterlist *sgl,
- int nents, enum dma_data_direction dir)
-{
- struct scatterlist *sg;
- int i;
-
- if (!dma_map_sg(&hdev->pdev->dev, sgl, nents, dir))
- return -ENOMEM;
-
- /* Shift to the device's base physical address of host memory */
- for_each_sg(sgl, sg, nents, i)
- sg->dma_address += HOST_PHYS_BASE;
-
- return 0;
-}
-
-static void gaudi_dma_unmap_sg(struct hl_device *hdev, struct scatterlist *sgl,
- int nents, enum dma_data_direction dir)
-{
- struct scatterlist *sg;
- int i;
-
- /* Cancel the device's base physical address of host memory */
- for_each_sg(sgl, sg, nents, i)
- sg->dma_address -= HOST_PHYS_BASE;
-
- dma_unmap_sg(&hdev->pdev->dev, sgl, nents, dir);
-}
-
-static u32 gaudi_get_dma_desc_list_size(struct hl_device *hdev,
- struct sg_table *sgt)
+static u32 gaudi_get_dma_desc_list_size(struct hl_device *hdev, struct sg_table *sgt)
{
struct scatterlist *sg, *sg_next_iter;
u32 count, dma_desc_cnt;
@@ -5077,8 +5047,7 @@ static u32 gaudi_get_dma_desc_list_size(struct hl_device *hdev,
dma_desc_cnt = 0;
- for_each_sg(sgt->sgl, sg, sgt->nents, count) {
-
+ for_each_sgtable_dma_sg(sgt, sg, count) {
len = sg_dma_len(sg);
addr = sg_dma_address(sg);
@@ -5132,8 +5101,7 @@ static int gaudi_pin_memory_before_cs(struct hl_device *hdev,
list_add_tail(&userptr->job_node, parser->job_userptr_list);
- rc = hdev->asic_funcs->asic_dma_map_sg(hdev, userptr->sgt->sgl,
- userptr->sgt->nents, dir);
+ rc = hdev->asic_funcs->asic_dma_map_sgtable(hdev, userptr->sgt, dir);
if (rc) {
dev_err(hdev->dev, "failed to map sgt with DMA region\n");
goto unpin_memory;
@@ -5408,7 +5376,7 @@ static int gaudi_patch_dma_packet(struct hl_device *hdev,
sgt = userptr->sgt;
dma_desc_cnt = 0;
- for_each_sg(sgt->sgl, sg, sgt->nents, count) {
+ for_each_sgtable_dma_sg(sgt, sg, count) {
len = sg_dma_len(sg);
dma_addr = sg_dma_address(sg);
@@ -9261,9 +9229,9 @@ static const struct hl_asic_funcs gaudi_funcs = {
.asic_dma_pool_free = gaudi_dma_pool_free,
.cpu_accessible_dma_pool_alloc = gaudi_cpu_accessible_dma_pool_alloc,
.cpu_accessible_dma_pool_free = gaudi_cpu_accessible_dma_pool_free,
- .hl_dma_unmap_sg = gaudi_dma_unmap_sg,
+ .hl_dma_unmap_sgtable = hl_dma_unmap_sgtable,
.cs_parser = gaudi_cs_parser,
- .asic_dma_map_sg = gaudi_dma_map_sg,
+ .asic_dma_map_sgtable = hl_dma_map_sgtable,
.get_dma_desc_list_size = gaudi_get_dma_desc_list_size,
.add_end_of_cb_packets = gaudi_add_end_of_cb_packets,
.update_eq_ci = gaudi_update_eq_ci,