IB/mlx4: Use multiple WQ blocks to post smaller send WQEs

[linux-block.git] / include / linux / mlx4 / device.h

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index cfb78fb2c0460812b1a56cbb78e5a801a8168647..6cdf813cd47883b5c38b674003ea650c3a532709 100644 (file)
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -48,6 +48,10 @@ enum {
        MLX4_MAX_PORTS          = 2
 };
 
+enum {
+       MLX4_BOARD_ID_LEN = 64
+};
+
 enum {
        MLX4_DEV_CAP_FLAG_RC            = 1 <<  0,
        MLX4_DEV_CAP_FLAG_UC            = 1 <<  1,
@@ -129,6 +133,11 @@ enum {
        MLX4_STAT_RATE_OFFSET   = 5
 };
 
+static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
+{
+       return (major << 32) | (minor << 16) | subminor;
+}
+
 struct mlx4_caps {
        u64                     fw_ver;
        int                     num_ports;
@@ -185,10 +194,8 @@ struct mlx4_buf_list {
 };
 
 struct mlx4_buf {
-       union {
-               struct mlx4_buf_list    direct;
-               struct mlx4_buf_list   *page_list;
-       } u;
+       struct mlx4_buf_list    direct;
+       struct mlx4_buf_list   *page_list;
        int                     nbufs;
        int                     npages;
        int                     page_shift;
@@ -210,6 +217,17 @@ struct mlx4_mr {
        int                     enabled;
 };
 
+struct mlx4_fmr {
+       struct mlx4_mr          mr;
+       struct mlx4_mpt_entry  *mpt;
+       __be64                 *mtts;
+       dma_addr_t              dma_handle;
+       int                     max_pages;
+       int                     max_maps;
+       int                     maps;
+       u8                      page_shift;
+};
+
 struct mlx4_uar {
        unsigned long           pfn;
        int                     index;
@@ -272,6 +290,8 @@ struct mlx4_dev {
        unsigned long           flags;
        struct mlx4_caps        caps;
        struct radix_tree_root  qp_table_tree;
+       u32                     rev_id;
+       char                    board_id[MLX4_BOARD_ID_LEN];
 };
 
 struct mlx4_init_port_param {
@@ -291,6 +311,14 @@ struct mlx4_init_port_param {
 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
                   struct mlx4_buf *buf);
 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
+static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
+{
+       if (BITS_PER_LONG == 64 || buf->nbufs == 1)
+               return buf->direct.buf + offset;
+       else
+               return buf->page_list[offset >> PAGE_SHIFT].buf +
+                       (offset & (PAGE_SIZE - 1));
+}
 
 int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
 void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
@@ -331,4 +359,14 @@ int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
 
+int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
+                     int npages, u64 iova, u32 *lkey, u32 *rkey);
+int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
+                  int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
+int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
+void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
+                   u32 *lkey, u32 *rkey);
+int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
+int mlx4_SYNC_TPT(struct mlx4_dev *dev);
+
 #endif /* MLX4_DEVICE_H */