Linux-RDMA Archive on lore.kernel.org
 help / color / Atom feed
From: Leon Romanovsky <leon@kernel.org>
To: Doug Ledford <dledford@redhat.com>, Jason Gunthorpe <jgg@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>,
	RDMA mailing list <linux-rdma@vger.kernel.org>,
	Shahaf Shuler <shahafs@mellanox.com>,
	Yishai Hadas <yishaih@mellanox.com>,
	Saeed Mahameed <saeedm@mellanox.com>,
	linux-netdev <netdev@vger.kernel.org>
Subject: [PATCH mlx5-next 1/5] net/mlx5: Add Virtio Emulation related device capabilities
Date: Thu, 12 Dec 2019 13:09:24 +0200
Message-ID: <20191212110928.334995-2-leon@kernel.org> (raw)
In-Reply-To: <20191212110928.334995-1-leon@kernel.org>

From: Yishai Hadas <yishaih@mellanox.com>

Add Virtio Emulation related fields to the device capabilities.

It includes a general bit to indicate whether Virtio Emulation is
supported and the capabilities structure itself.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Shahaf Shuler <shahafs@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 include/linux/mlx5/mlx5_ifc.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 5d54fccf87fc..c6abaf4f1c55 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -87,6 +87,7 @@ enum {
 enum {
 	MLX5_GENERAL_OBJ_TYPES_CAP_SW_ICM = (1ULL << MLX5_OBJ_TYPE_SW_ICM),
 	MLX5_GENERAL_OBJ_TYPES_CAP_GENEVE_TLV_OPT = (1ULL << 11),
+	MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_NET_Q = (1ULL << 13),
 };
 
 enum {
@@ -953,6 +954,19 @@ struct mlx5_ifc_device_event_cap_bits {
 	u8         user_unaffiliated_events[4][0x40];
 };
 
+struct mlx5_ifc_device_virtio_emulation_cap_bits {
+	u8         reserved_at_0[0x20];
+
+	u8         reserved_at_20[0x13];
+	u8         log_doorbell_stride[0x5];
+	u8         reserved_at_38[0x3];
+	u8         log_doorbell_bar_size[0x5];
+
+	u8         doorbell_bar_offset[0x40];
+
+	u8         reserved_at_80[0x780];
+};
+
 enum {
 	MLX5_ATOMIC_CAPS_ATOMIC_SIZE_QP_1_BYTE     = 0x0,
 	MLX5_ATOMIC_CAPS_ATOMIC_SIZE_QP_2_BYTES    = 0x2,
@@ -2751,6 +2765,7 @@ union mlx5_ifc_hca_cap_union_bits {
 	struct mlx5_ifc_fpga_cap_bits fpga_cap;
 	struct mlx5_ifc_tls_cap_bits tls_cap;
 	struct mlx5_ifc_device_mem_cap_bits device_mem_cap;
+	struct mlx5_ifc_device_virtio_emulation_cap_bits virtio_emulation_cap;
 	u8         reserved_at_0[0x8000];
 };
 
-- 
2.20.1


  reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-12 11:09 [PATCH rdma-next 0/5] VIRTIO_NET Emulation Offload Leon Romanovsky
2019-12-12 11:09 ` Leon Romanovsky [this message]
2019-12-12 11:09 ` [PATCH mlx5-next 2/5] net/mlx5: Expose vDPA emulation device capabilities Leon Romanovsky
2019-12-12 11:09 ` [PATCH rdma-next 3/5] IB/mlx5: Extend caps stage to handle VAR capabilities Leon Romanovsky
2019-12-12 11:09 ` [PATCH rdma-next 4/5] IB/mlx5: Introduce VAR object and its alloc/destroy methods Leon Romanovsky
2020-01-07 19:36   ` Jason Gunthorpe
2020-01-08  8:12     ` Yishai Hadas
2019-12-12 11:09 ` [PATCH rdma-next 5/5] IB/mlx5: Add mmap support for VAR Leon Romanovsky
2020-01-07 19:37 ` [PATCH rdma-next 0/5] VIRTIO_NET Emulation Offload Jason Gunthorpe
2020-01-10 18:30   ` Leon Romanovsky
2020-01-12 23:54     ` Jason Gunthorpe

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191212110928.334995-2-leon@kernel.org \
    --to=leon@kernel.org \
    --cc=dledford@redhat.com \
    --cc=jgg@mellanox.com \
    --cc=leonro@mellanox.com \
    --cc=linux-rdma@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=saeedm@mellanox.com \
    --cc=shahafs@mellanox.com \
    --cc=yishaih@mellanox.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-RDMA Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-rdma/0 linux-rdma/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-rdma linux-rdma/ https://lore.kernel.org/linux-rdma \
		linux-rdma@vger.kernel.org
	public-inbox-index linux-rdma

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-rdma


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git