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authorJack Morgenstein <jackm@dev.mellanox.co.il>2012-08-03 08:40:40 +0000
committerRoland Dreier <roland@purestorage.com>2012-09-30 20:33:30 -0700
commit1ffeb2eb8be9936e9dc1f9af2d5f4c14d69a0d36 (patch)
tree1e79a4a6c3955a21c7802618d58b3bd7605a937e /include/linux/mlx4
parent73aaa7418f8069103ca56fc620b3cd16c5a37d6e (diff)
downloadop-kernel-dev-1ffeb2eb8be9936e9dc1f9af2d5f4c14d69a0d36.zip
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IB/mlx4: SR-IOV IB context objects and proxy/tunnel SQP support
1. Introduce the basic SR-IOV parvirtualization context objects for multiplexing and demultiplexing MADs. 2. Introduce support for the new proxy and tunnel QP types. This patch introduces the objects required by the master for managing QP paravirtualization for guests. struct mlx4_ib_sriov is created by the master only. It is a container for the following: 1. All the info required by the PPF to multiplex and de-multiplex MADs (including those from the PF). (struct mlx4_ib_demux_ctx demux) 2. All the info required to manage alias GUIDs (i.e., the GUID at index 0 that each guest perceives. In fact, this is not the GUID which is actually at index 0, but is, in fact, the GUID which is at index[<VF number>] in the physical table. 3. structures which are used to manage CM paravirtualization 4. structures for managing the real special QPs when running in SR-IOV mode. The real SQPs are controlled by the PPF in this case. All SQPs created and controlled by the ib core layer are proxy SQP. struct mlx4_ib_demux_ctx contains the information per port needed to manage paravirtualization: 1. All multicast paravirt info 2. All tunnel-qp paravirt info for the port. 3. GUID-table and GUID-prefix for the port 4. work queues. struct mlx4_ib_demux_pv_ctx contains all the info for managing the paravirtualized QPs for one slave/port. struct mlx4_ib_demux_pv_qp contains the info need to run an individual QP (either tunnel qp or real SQP). Note: We made use of the 2 most significant bits in enum mlx4_ib_qp_flags (based on enum ib_qp_create_flags in ib_verbs.h). We need these bits in the low-level driver for internal purposes. Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'include/linux/mlx4')
-rw-r--r--include/linux/mlx4/device.h1
-rw-r--r--include/linux/mlx4/qp.h3
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 6e1b0f9..07aa823 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -389,6 +389,7 @@ struct mlx4_caps {
enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
u32 max_counters;
u8 port_ib_mtu[MLX4_MAX_PORTS + 1];
+ u16 sqp_demux;
};
struct mlx4_buf_list {
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 338388b..4b4ad6f 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -126,7 +126,8 @@ struct mlx4_rss_context {
struct mlx4_qp_path {
u8 fl;
- u8 reserved1[2];
+ u8 reserved1[1];
+ u8 disable_pkey_check;
u8 pkey_index;
u8 counter_index;
u8 grh_mylmc;
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