diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-03-16 16:24:36 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-03-16 16:25:09 -0400 |
| commit | 1425075e7272faaa3629a1e2df679c0ba4cf55d3 (patch) | |
| tree | 6d79a735f8a02d6dc9e27b915f6244fe1ab6b7ff /include/linux/mlx4 | |
| parent | 849dc3244c916545790bfb9055625a3719061c92 (diff) | |
| parent | 2fa8f88d8892507ecff0126fbc67906740491d31 (diff) | |
Merge tag 'nfs-rdma-4.6-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma
NFS: NFSoRDMA Client Side Changes
These patches include several bugfixes and cleanups for the NFSoRDMA client.
This includes bugfixes for NFS v4.1, proper RDMA_ERROR handling, and fixes
from the recent workqueue swicchover. These patches also switch xprtrdma to
use the new CQ API
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
* tag 'nfs-rdma-4.6-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma: (787 commits)
xprtrdma: Use new CQ API for RPC-over-RDMA client send CQs
xprtrdma: Use an anonymous union in struct rpcrdma_mw
xprtrdma: Use new CQ API for RPC-over-RDMA client receive CQs
xprtrdma: Serialize credit accounting again
xprtrdma: Properly handle RDMA_ERROR replies
rpcrdma: Add RPCRDMA_HDRLEN_ERR
xprtrdma: Do not wait if ib_post_send() fails
xprtrdma: Segment head and tail XDR buffers on page boundaries
xprtrdma: Clean up dprintk format string containing a newline
xprtrdma: Clean up physical_op_map()
xprtrdma: Clean up unused RPCRDMA_INLINE_PAD_THRESH macro
Diffstat (limited to 'include/linux/mlx4')
| -rw-r--r-- | include/linux/mlx4/device.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 430a929f048b..a0e8cc8dcc67 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -44,6 +44,8 @@ #include <linux/timecounter.h> +#define DEFAULT_UAR_PAGE_SHIFT 12 + #define MAX_MSIX_P_PORT 17 #define MAX_MSIX 64 #define MIN_MSIX_P_PORT 5 @@ -856,6 +858,7 @@ struct mlx4_dev { u64 regid_promisc_array[MLX4_MAX_PORTS + 1]; u64 regid_allmulti_array[MLX4_MAX_PORTS + 1]; struct mlx4_vf_dev *dev_vfs; + u8 uar_page_shift; }; struct mlx4_clock_params { @@ -1528,4 +1531,14 @@ int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev, int mlx4_get_internal_clock_params(struct mlx4_dev *dev, struct mlx4_clock_params *params); +static inline int mlx4_to_hw_uar_index(struct mlx4_dev *dev, int index) +{ + return (index << (PAGE_SHIFT - dev->uar_page_shift)); +} + +static inline int mlx4_get_num_reserved_uar(struct mlx4_dev *dev) +{ + /* The first 128 UARs are used for EQ doorbells */ + return (128 >> (PAGE_SHIFT - dev->uar_page_shift)); +} #endif /* MLX4_DEVICE_H */ |