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From: Leon Romanovsky <leon@kernel.org>
To: Doug Ledford <dledford@redhat.com>, Jason Gunthorpe <jgg@nvidia.com>
Cc: Yishai Hadas <yishaih@nvidia.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Kirti Wankhede <kwankhede@nvidia.com>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pci@vger.kernel.org, linux-rdma@vger.kernel.org,
	netdev@vger.kernel.org, Saeed Mahameed <saeedm@nvidia.com>
Subject: [PATCH mlx5-next 4/7] net/mlx5: Introduce migration bits and structures
Date: Wed, 22 Sep 2021 13:38:53 +0300	[thread overview]
Message-ID: <be4ea343f1afd0d49afce7dccaa8fcadebd3fe8d.1632305919.git.leonro@nvidia.com> (raw)
In-Reply-To: <cover.1632305919.git.leonro@nvidia.com>

From: Yishai Hadas <yishaih@nvidia.com>

Introduce migration IFC related stuff to enable migration commands.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 145 +++++++++++++++++++++++++++++++++-
 1 file changed, 144 insertions(+), 1 deletion(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index d90a65b6824f..366c7b030eb7 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -126,6 +126,11 @@ enum {
 	MLX5_CMD_OP_QUERY_SF_PARTITION            = 0x111,
 	MLX5_CMD_OP_ALLOC_SF                      = 0x113,
 	MLX5_CMD_OP_DEALLOC_SF                    = 0x114,
+	MLX5_CMD_OP_SUSPEND_VHCA                  = 0x115,
+	MLX5_CMD_OP_RESUME_VHCA                   = 0x116,
+	MLX5_CMD_OP_QUERY_VHCA_MIGRATION_STATE    = 0x117,
+	MLX5_CMD_OP_SAVE_VHCA_STATE               = 0x118,
+	MLX5_CMD_OP_LOAD_VHCA_STATE               = 0x119,
 	MLX5_CMD_OP_CREATE_MKEY                   = 0x200,
 	MLX5_CMD_OP_QUERY_MKEY                    = 0x201,
 	MLX5_CMD_OP_DESTROY_MKEY                  = 0x202,
@@ -1719,7 +1724,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         reserved_at_682[0x1];
 	u8         log_max_sf[0x5];
 	u8         apu[0x1];
-	u8         reserved_at_689[0x7];
+	u8         reserved_at_689[0x4];
+	u8         migration[0x1];
+	u8         reserved_at_68d[0x2];
 	u8         log_min_sf_size[0x8];
 	u8         max_num_sf_partitions[0x8];
 
@@ -11146,4 +11153,140 @@ enum {
 	MLX5_MTT_PERM_RW	= MLX5_MTT_PERM_READ | MLX5_MTT_PERM_WRITE,
 };
 
+enum {
+	MLX5_SUSPEND_VHCA_IN_OP_MOD_SUSPEND_MASTER  = 0x0,
+	MLX5_SUSPEND_VHCA_IN_OP_MOD_SUSPEND_SLAVE   = 0x1,
+};
+
+struct mlx5_ifc_suspend_vhca_in_bits {
+	u8         opcode[0x10];
+	u8         uid[0x10];
+
+	u8         reserved_at_20[0x10];
+	u8         op_mod[0x10];
+
+	u8         reserved_at_40[0x10];
+	u8         vhca_id[0x10];
+
+	u8         reserved_at_60[0x20];
+};
+
+struct mlx5_ifc_suspend_vhca_out_bits {
+	u8         status[0x8];
+	u8         reserved_at_8[0x18];
+
+	u8         syndrome[0x20];
+
+	u8         reserved_at_40[0x40];
+};
+
+enum {
+	MLX5_RESUME_VHCA_IN_OP_MOD_RESUME_SLAVE   = 0x0,
+	MLX5_RESUME_VHCA_IN_OP_MOD_RESUME_MASTER  = 0x1,
+};
+
+struct mlx5_ifc_resume_vhca_in_bits {
+	u8         opcode[0x10];
+	u8         uid[0x10];
+
+	u8         reserved_at_20[0x10];
+	u8         op_mod[0x10];
+
+	u8         reserved_at_40[0x10];
+	u8         vhca_id[0x10];
+
+	u8         reserved_at_60[0x20];
+};
+
+struct mlx5_ifc_resume_vhca_out_bits {
+	u8         status[0x8];
+	u8         reserved_at_8[0x18];
+
+	u8         syndrome[0x20];
+
+	u8         reserved_at_40[0x40];
+};
+
+struct mlx5_ifc_query_vhca_migration_state_in_bits {
+	u8         opcode[0x10];
+	u8         uid[0x10];
+
+	u8         reserved_at_20[0x10];
+	u8         op_mod[0x10];
+
+	u8         reserved_at_40[0x10];
+	u8         vhca_id[0x10];
+
+	u8         reserved_at_60[0x20];
+};
+
+struct mlx5_ifc_query_vhca_migration_state_out_bits {
+	u8         status[0x8];
+	u8         reserved_at_8[0x18];
+
+	u8         syndrome[0x20];
+
+	u8         reserved_at_40[0x40];
+
+	u8         required_umem_size[0x20];
+
+	u8         reserved_at_a0[0x160];
+};
+
+struct mlx5_ifc_save_vhca_state_in_bits {
+	u8         opcode[0x10];
+	u8         uid[0x10];
+
+	u8         reserved_at_20[0x10];
+	u8         op_mod[0x10];
+
+	u8         reserved_at_40[0x10];
+	u8         vhca_id[0x10];
+
+	u8         reserved_at_60[0x20];
+
+	u8         va[0x40];
+
+	u8         mkey[0x20];
+
+	u8         size[0x20];
+};
+
+struct mlx5_ifc_save_vhca_state_out_bits {
+	u8         status[0x8];
+	u8         reserved_at_8[0x18];
+
+	u8         syndrome[0x20];
+
+	u8         reserved_at_40[0x40];
+};
+
+struct mlx5_ifc_load_vhca_state_in_bits {
+	u8         opcode[0x10];
+	u8         uid[0x10];
+
+	u8         reserved_at_20[0x10];
+	u8         op_mod[0x10];
+
+	u8         reserved_at_40[0x10];
+	u8         vhca_id[0x10];
+
+	u8         reserved_at_60[0x20];
+
+	u8         va[0x40];
+
+	u8         mkey[0x20];
+
+	u8         size[0x20];
+};
+
+struct mlx5_ifc_load_vhca_state_out_bits {
+	u8         status[0x8];
+	u8         reserved_at_8[0x18];
+
+	u8         syndrome[0x20];
+
+	u8         reserved_at_40[0x40];
+};
+
 #endif /* MLX5_IFC_H */
-- 
2.31.1


  parent reply	other threads:[~2021-09-22 10:39 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1632305919.git.leonro@nvidia.com>
2021-09-22 10:38 ` [PATCH mlx5-next 1/7] PCI/IOV: Provide internal VF index Leon Romanovsky
2021-09-22 21:59   ` Bjorn Helgaas
2021-09-23  6:35     ` Leon Romanovsky
2021-09-24 13:08       ` Bjorn Helgaas
2021-09-25 10:10         ` Leon Romanovsky
2021-09-25 17:41           ` Bjorn Helgaas
2021-09-26  6:36             ` Leon Romanovsky
2021-09-26 20:23               ` Bjorn Helgaas
2021-09-27 11:55                 ` Leon Romanovsky
2021-09-27 14:47                   ` Bjorn Helgaas
2021-09-22 10:38 ` [PATCH mlx5-next 2/7] vfio: Add an API to check migration state transition validity Leon Romanovsky
2021-09-23 10:33   ` Shameerali Kolothum Thodi
2021-09-23 11:17     ` Leon Romanovsky
2021-09-23 13:55       ` Max Gurtovoy
2021-09-24  7:44         ` Shameerali Kolothum Thodi
2021-09-24  9:37           ` Kirti Wankhede
2021-09-26  9:09           ` Max Gurtovoy
2021-09-26 16:17             ` Shameerali Kolothum Thodi
2021-09-27 18:24               ` Max Gurtovoy
2021-09-27 18:29                 ` Shameerali Kolothum Thodi
2021-09-27 22:46   ` Alex Williamson
2021-09-27 23:12     ` Jason Gunthorpe
2021-09-28 19:19       ` Alex Williamson
2021-09-28 19:35         ` Jason Gunthorpe
2021-09-28 20:18           ` Alex Williamson
2021-09-29 16:16             ` Jason Gunthorpe
2021-09-29 18:06               ` Alex Williamson
2021-09-29 18:26                 ` Jason Gunthorpe
2021-09-29 10:57         ` Max Gurtovoy
2021-09-29 10:44       ` Max Gurtovoy
2021-09-29 12:35         ` Alex Williamson
2021-09-29 13:26           ` Max Gurtovoy
2021-09-29 13:50             ` Alex Williamson
2021-09-29 14:36               ` Max Gurtovoy
2021-09-29 15:17                 ` Alex Williamson
2021-09-29 15:28                   ` Max Gurtovoy
2021-09-29 16:14                     ` Jason Gunthorpe
2021-09-29 21:48                       ` Max Gurtovoy
2021-09-29 22:44                         ` Alex Williamson
2021-09-30  9:25                           ` Max Gurtovoy
2021-09-30 12:41                             ` Alex Williamson
2021-09-29 23:21                         ` Jason Gunthorpe
2021-09-30  9:34                           ` Max Gurtovoy
2021-09-30 14:47                             ` Jason Gunthorpe
2021-09-30 15:32                               ` Max Gurtovoy
2021-09-30 16:24                                 ` Jason Gunthorpe
2021-09-30 16:51                                   ` Max Gurtovoy
2021-09-30 17:01                                     ` Jason Gunthorpe
2021-09-22 10:38 ` [PATCH mlx5-next 3/7] vfio/pci_core: Make the region->release() function optional Leon Romanovsky
2021-09-23 13:57   ` Max Gurtovoy
2021-09-22 10:38 ` Leon Romanovsky [this message]
2021-09-24  5:48   ` [PATCH mlx5-next 4/7] net/mlx5: Introduce migration bits and structures Mark Zhang
2021-09-22 10:38 ` [PATCH mlx5-next 5/7] net/mlx5: Expose APIs to get/put the mlx5 core device Leon Romanovsky
2021-09-22 10:38 ` [PATCH mlx5-next 6/7] mlx5_vfio_pci: Expose migration commands over mlx5 device Leon Romanovsky
2021-09-28 20:22   ` Alex Williamson
2021-09-29  5:36     ` Leon Romanovsky
2021-09-22 10:38 ` [PATCH mlx5-next 7/7] mlx5_vfio_pci: Implement vfio_pci driver for mlx5 devices Leon Romanovsky

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