Merge branch 'topic/acpi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-pxa2xx

1 files changed, 34 insertions, 7 deletions

diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
index e008505e96e9..4659256cd95e 100644
--- a/drivers/infiniband/hw/mlx5/srq.c
+++ b/drivers/infiniband/hw/mlx5/srq.c
@@ -78,28 +78,41 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
 			   struct ib_udata *udata, int buf_size, int *inlen)
 {
 	struct mlx5_ib_dev *dev = to_mdev(pd->device);
-	struct mlx5_ib_create_srq ucmd;
+	struct mlx5_ib_create_srq ucmd = {};
 	size_t ucmdlen;
+	void *xsrqc;
 	int err;
 	int npages;
 	int page_shift;
 	int ncont;
 	u32 offset;
+	u32 uidx = MLX5_IB_DEFAULT_UIDX;
+	int drv_data = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr);
 
-	ucmdlen =
-		(udata->inlen - sizeof(struct ib_uverbs_cmd_hdr) <
-		 sizeof(ucmd)) ? (sizeof(ucmd) -
-				  sizeof(ucmd.reserved)) : sizeof(ucmd);
+	if (drv_data < 0)
+		return -EINVAL;
+
+	ucmdlen = (drv_data < sizeof(ucmd)) ?
+		  drv_data : sizeof(ucmd);
 
 	if (ib_copy_from_udata(&ucmd, udata, ucmdlen)) {
 		mlx5_ib_dbg(dev, "failed copy udata\n");
 		return -EFAULT;
 	}
 
-	if (ucmdlen == sizeof(ucmd) &&
-	    ucmd.reserved != 0)
+	if (ucmd.reserved0 || ucmd.reserved1)
 		return -EINVAL;
 
+	if (drv_data > sizeof(ucmd) &&
+	    !ib_is_udata_cleared(udata, sizeof(ucmd),
+				 drv_data - sizeof(ucmd)))
+		return -EINVAL;
+
+	err = get_srq_user_index(to_mucontext(pd->uobject->context),
+				 &ucmd, udata->inlen, &uidx);
+	if (err)
+		return err;
+
 	srq->wq_sig = !!(ucmd.flags & MLX5_SRQ_FLAG_SIGNATURE);
 
 	srq->umem = ib_umem_get(pd->uobject->context, ucmd.buf_addr, buf_size,
@@ -138,6 +151,12 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
 	(*in)->ctx.log_pg_sz = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
 	(*in)->ctx.pgoff_cqn = cpu_to_be32(offset << 26);
 
+	if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1) {
+		xsrqc = MLX5_ADDR_OF(create_xrc_srq_in, *in,
+				     xrc_srq_context_entry);
+		MLX5_SET(xrc_srqc, xsrqc, user_index, uidx);
+	}
+
 	return 0;
 
 err_in:
@@ -158,6 +177,7 @@ static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq,
 	struct mlx5_wqe_srq_next_seg *next;
 	int page_shift;
 	int npages;
+	void *xsrqc;
 
 	err = mlx5_db_alloc(dev->mdev, &srq->db);
 	if (err) {
@@ -204,6 +224,13 @@ static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq,
 
 	(*in)->ctx.log_pg_sz = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
 
+	if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1) {
+		xsrqc = MLX5_ADDR_OF(create_xrc_srq_in, *in,
+				     xrc_srq_context_entry);
+		/* 0xffffff means we ask to work with cqe version 0 */
+		MLX5_SET(xrc_srqc, xsrqc, user_index, MLX5_IB_DEFAULT_UIDX);
+	}
+
 	return 0;
 
 err_in: