return err;
}
- err = mana_ib_gd_create_dma_region(mdev, cq->umem, &cq->gdma_region);
+ err = mana_ib_create_zero_offset_dma_region(mdev, cq->umem, &cq->gdma_region);
if (err) {
ibdev_dbg(ibdev,
"Failed to create dma region for create cq, %d\n",
}
ibdev_dbg(ibdev,
- "mana_ib_gd_create_dma_region ret %d gdma_region 0x%llx\n",
+ "create_dma_region ret %d gdma_region 0x%llx\n",
err, cq->gdma_region);
/*
return 0;
}
-int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
- mana_handle_t *gdma_region)
+static int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region, unsigned long page_sz)
{
struct gdma_dma_region_add_pages_req *add_req = NULL;
size_t num_pages_processed = 0, num_pages_to_handle;
size_t max_pgs_create_cmd;
struct gdma_context *gc;
size_t num_pages_total;
- unsigned long page_sz;
unsigned int tail = 0;
u64 *page_addr_list;
void *request_buf;
gc = mdev_to_gc(dev);
hwc = gc->hwc.driver_data;
- /* Hardware requires dma region to align to chosen page size */
- page_sz = ib_umem_find_best_pgsz(umem, PAGE_SZ_BM, 0);
- if (!page_sz) {
- ibdev_dbg(&dev->ib_dev, "failed to find page size.\n");
- return -ENOMEM;
- }
num_pages_total = ib_umem_num_dma_blocks(umem, page_sz);
max_pgs_create_cmd =
return err;
}
+int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region, u64 virt)
+{
+ unsigned long page_sz;
+
+ page_sz = ib_umem_find_best_pgsz(umem, PAGE_SZ_BM, virt);
+ if (!page_sz) {
+ ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n");
+ return -EINVAL;
+ }
+
+ return mana_ib_gd_create_dma_region(dev, umem, gdma_region, page_sz);
+}
+
+int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region)
+{
+ unsigned long page_sz;
+
+ /* Hardware requires dma region to align to chosen page size */
+ page_sz = ib_umem_find_best_pgoff(umem, PAGE_SZ_BM, 0);
+ if (!page_sz) {
+ ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n");
+ return -EINVAL;
+ }
+
+ return mana_ib_gd_create_dma_region(dev, umem, gdma_region, page_sz);
+}
+
int mana_ib_gd_destroy_dma_region(struct mana_ib_dev *dev, u64 gdma_region)
{
struct gdma_context *gc = mdev_to_gc(dev);
int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq);
-int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
- mana_handle_t *gdma_region);
+int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region);
+
+int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region, u64 virt);
int mana_ib_gd_destroy_dma_region(struct mana_ib_dev *dev,
mana_handle_t gdma_region);
goto err_free;
}
- err = mana_ib_gd_create_dma_region(dev, mr->umem, &dma_region_handle);
+ err = mana_ib_create_dma_region(dev, mr->umem, &dma_region_handle, iova);
if (err) {
ibdev_dbg(ibdev, "Failed create dma region for user-mr, %d\n",
err);
}
ibdev_dbg(ibdev,
- "mana_ib_gd_create_dma_region ret %d gdma_region %llx\n", err,
+ "create_dma_region ret %d gdma_region %llx\n", err,
dma_region_handle);
mr_params.pd_handle = pd->pd_handle;
}
qp->sq_umem = umem;
- err = mana_ib_gd_create_dma_region(mdev, qp->sq_umem,
- &qp->sq_gdma_region);
+ err = mana_ib_create_zero_offset_dma_region(mdev, qp->sq_umem,
+ &qp->sq_gdma_region);
if (err) {
ibdev_dbg(&mdev->ib_dev,
"Failed to create dma region for create qp-raw, %d\n",
}
ibdev_dbg(&mdev->ib_dev,
- "mana_ib_gd_create_dma_region ret %d gdma_region 0x%llx\n",
+ "create_dma_region ret %d gdma_region 0x%llx\n",
err, qp->sq_gdma_region);
/* Create a WQ on the same port handle used by the Ethernet */
wq->wq_buf_size = ucmd.wq_buf_size;
wq->rx_object = INVALID_MANA_HANDLE;
- err = mana_ib_gd_create_dma_region(mdev, wq->umem, &wq->gdma_region);
+ err = mana_ib_create_zero_offset_dma_region(mdev, wq->umem, &wq->gdma_region);
if (err) {
ibdev_dbg(&mdev->ib_dev,
"Failed to create dma region for create wq, %d\n",
}
ibdev_dbg(&mdev->ib_dev,
- "mana_ib_gd_create_dma_region ret %d gdma_region 0x%llx\n",
+ "create_dma_region ret %d gdma_region 0x%llx\n",
err, wq->gdma_region);
/* WQ ID is returned at wq_create time, doesn't know the value yet */