From 1ffeb2eb8be9936e9dc1f9af2d5f4c14d69a0d36 Mon Sep 17 00:00:00 2001 From: Jack Morgenstein Date: Fri, 3 Aug 2012 08:40:40 +0000 Subject: 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[] 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 Signed-off-by: Roland Dreier --- include/linux/mlx4/qp.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include/linux/mlx4/qp.h') diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index 338388ba260a..4b4ad6ffef92 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; -- cgit v1.2.3-59-g8ed1b