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authorGravatar Michael Margolin <mrgolin@amazon.com> 2024-01-04 09:51:55 +0000
committerGravatar Leon Romanovsky <leon@kernel.org> 2024-01-07 12:02:27 +0200
commit2307157c85096026043ba11f9ad8393c31515c45 (patch)
tree8ad747b4ce2a9a6bc997421a896b35a8f16a1391 /drivers/infiniband/hw/efa/efa_admin_cmds_defs.h
parentIB/iser: Prevent invalidating wrong MR (diff)
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RDMA/efa: Add EFA query MR support
Add EFA driver uapi definitions and register a new query MR method that currently returns the physical interconnects the device is using to reach the MR. Update admin definitions and efa-abi accordingly. Reviewed-by: Anas Mousa <anasmous@amazon.com> Reviewed-by: Firas Jahjah <firasj@amazon.com> Signed-off-by: Michael Margolin <mrgolin@amazon.com> Link: https://lore.kernel.org/r/20240104095155.10676-1-mrgolin@amazon.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_admin_cmds_defs.h')
-rw-r--r--drivers/infiniband/hw/efa/efa_admin_cmds_defs.h33
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h
index 9c65bd27bae0..7377c8a9f4d5 100644
--- a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h
+++ b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
/*
- * Copyright 2018-2023 Amazon.com, Inc. or its affiliates. All rights reserved.
+ * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#ifndef _EFA_ADMIN_CMDS_H_
@@ -415,6 +415,32 @@ struct efa_admin_reg_mr_resp {
* memory region
*/
u32 r_key;
+
+ /*
+ * Mask indicating which fields have valid values
+ * 0 : recv_ic_id
+ * 1 : rdma_read_ic_id
+ * 2 : rdma_recv_ic_id
+ */
+ u8 validity;
+
+ /*
+ * Physical interconnect used by the device to reach the MR for receive
+ * operation
+ */
+ u8 recv_ic_id;
+
+ /*
+ * Physical interconnect used by the device to reach the MR for RDMA
+ * read operation
+ */
+ u8 rdma_read_ic_id;
+
+ /*
+ * Physical interconnect used by the device to reach the MR for RDMA
+ * write receive
+ */
+ u8 rdma_recv_ic_id;
};
struct efa_admin_dereg_mr_cmd {
@@ -999,6 +1025,11 @@ struct efa_admin_host_info {
#define EFA_ADMIN_REG_MR_CMD_REMOTE_WRITE_ENABLE_MASK BIT(1)
#define EFA_ADMIN_REG_MR_CMD_REMOTE_READ_ENABLE_MASK BIT(2)
+/* reg_mr_resp */
+#define EFA_ADMIN_REG_MR_RESP_RECV_IC_ID_MASK BIT(0)
+#define EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID_MASK BIT(1)
+#define EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID_MASK BIT(2)
+
/* create_cq_cmd */
#define EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK BIT(5)
#define EFA_ADMIN_CREATE_CQ_CMD_VIRT_MASK BIT(6)