diff mbox series

[rdma-next,v2,06/11] RDMA/efa: Add the ABI definitions

Message ID 1550763193-14128-7-git-send-email-galpress@amazon.com (mailing list archive)
State Superseded
Headers show
Series RDMA/efa: Elastic Fabric Adapter (EFA) driver | expand

Commit Message

Gal Pressman Feb. 21, 2019, 3:33 p.m. UTC
Add the EFA ABI file exposed to userspace.

Signed-off-by: Gal Pressman <galpress@amazon.com>
---
 include/uapi/rdma/efa-abi.h | 129 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 include/uapi/rdma/efa-abi.h

Comments

Leon Romanovsky Feb. 26, 2019, 7:22 p.m. UTC | #1
On Thu, Feb 21, 2019 at 05:33:08PM +0200, Gal Pressman wrote:
> Add the EFA ABI file exposed to userspace.
>
> Signed-off-by: Gal Pressman <galpress@amazon.com>
> ---
>  include/uapi/rdma/efa-abi.h | 129 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 129 insertions(+)
>  create mode 100644 include/uapi/rdma/efa-abi.h
>
> diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h
> new file mode 100644
> index 000000000000..a97373cdfbd2
> --- /dev/null
> +++ b/include/uapi/rdma/efa-abi.h
> @@ -0,0 +1,129 @@
> +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
> +/*
> + * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
> + *
> + * This software is available to you under a choice of one of two
> + * licenses.  You may choose to be licensed under the terms of the GNU
> + * General Public License (GPL) Version 2, available from the file
> + * COPYING in the main directory of this source tree, or the
> + * BSD license below:
> + *
> + *     Redistribution and use in source and binary forms, with or
> + *     without modification, are permitted provided that the following
> + *     conditions are met:
> + *
> + *      - Redistributions of source code must retain the above
> + *        copyright notice, this list of conditions and the following
> + *        disclaimer.
> + *
> + *      - Redistributions in binary form must reproduce the above
> + *        copyright notice, this list of conditions and the following
> + *        disclaimer in the documentation and/or other materials
> + *        provided with the distribution.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
> + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
> + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
> + * SOFTWARE.
> + */

Please don't include license text, SPDX and copyright line are enough.

Thanks
Steve Wise Feb. 26, 2019, 9:04 p.m. UTC | #2
On 2/21/2019 9:33 AM, Gal Pressman wrote:
> Add the EFA ABI file exposed to userspace.
>
> Signed-off-by: Gal Pressman <galpress@amazon.com>
> ---
>  include/uapi/rdma/efa-abi.h | 129 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 129 insertions(+)
>  create mode 100644 include/uapi/rdma/efa-abi.h
>
> diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h
> new file mode 100644
> index 000000000000..a97373cdfbd2
> --- /dev/null
> +++ b/include/uapi/rdma/efa-abi.h
> @@ -0,0 +1,129 @@
> +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
> +/*
> + * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
> + *
> + * This software is available to you under a choice of one of two
> + * licenses.  You may choose to be licensed under the terms of the GNU
> + * General Public License (GPL) Version 2, available from the file
> + * COPYING in the main directory of this source tree, or the
> + * BSD license below:
> + *
> + *     Redistribution and use in source and binary forms, with or
> + *     without modification, are permitted provided that the following
> + *     conditions are met:
> + *
> + *      - Redistributions of source code must retain the above
> + *        copyright notice, this list of conditions and the following
> + *        disclaimer.
> + *
> + *      - Redistributions in binary form must reproduce the above
> + *        copyright notice, this list of conditions and the following
> + *        disclaimer in the documentation and/or other materials
> + *        provided with the distribution.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
> + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
> + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
> + * SOFTWARE.
> + */
> +
> +#ifndef EFA_ABI_USER_H
> +#define EFA_ABI_USER_H
> +
> +#include <linux/types.h>
> +
> +/*
> + * Increment this value if any changes that break userspace ABI
> + * compatibility are made.
> + */
> +#define EFA_UVERBS_ABI_VERSION 1
> +
> +/*
> + * Keep structs aligned to 8 bytes.
> + * Keep reserved fields as arrays of __u8 named reserved_XXX where XXX is the
> + * hex bit offset of the field.
> + */
> +
> +enum efa_ibv_user_cmds_supp_udata {
> +	EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE = 1 << 0,
> +	EFA_USER_CMDS_SUPP_UDATA_CREATE_AH    = 1 << 1,
> +};
> +
> +struct efa_ibv_alloc_ucontext_resp {
> +	__u32 comp_mask;
> +	__u32 cmds_supp_udata_mask;
> +	__u16 sub_cqs_per_cq;
> +	__u16 inline_buf_size;
> +	__u32 max_llq_size; /* bytes */
> +};
> +
> +struct efa_ibv_alloc_pd_resp {
> +	__u32 comp_mask;
> +	__u16 pdn;
> +	__u8 reserved_30[0x2];
> +};
> +
> +struct efa_ibv_create_cq {
> +	__u32 comp_mask;
> +	__u32 cq_entry_size;
> +	__u16 num_sub_cqs;
> +	__u8 reserved_50[0x6];


Why use hex for the array depth in these reserved bytes?


> +};
> +
> +struct efa_ibv_create_cq_resp {
> +	__u32 comp_mask;
> +	__u8 reserved_20[0x4];
> +	__aligned_u64 q_mmap_key;
> +	__aligned_u64 q_mmap_size;
> +	__u16 cq_idx;
> +	__u8 reserved_d0[0x6];
> +};
> +
> +enum {
> +	EFA_QP_DRIVER_TYPE_SRD = 0,
> +};
> +
> +struct efa_ibv_create_qp {
> +	__u32 comp_mask;
> +	__u32 rq_ring_size; /* bytes */
> +	__u32 sq_ring_size; /* bytes */
> +	__u32 driver_qp_type;
> +};
> +
> +struct efa_ibv_create_qp_resp {
> +	__u32 comp_mask;
> +	/* the offset inside the page of the rq db */
> +	__u32 rq_db_offset;
> +	/* the offset inside the page of the sq db */
> +	__u32 sq_db_offset;
> +	/* the offset inside the page of descriptors buffer */
> +	__u32 llq_desc_offset;
> +	__aligned_u64 rq_mmap_key;
> +	__aligned_u64 rq_mmap_size;
> +	__aligned_u64 rq_db_mmap_key;
> +	__aligned_u64 sq_db_mmap_key;
> +	__aligned_u64 llq_desc_mmap_key;
> +	__u16 send_sub_cq_idx;
> +	__u16 recv_sub_cq_idx;
> +	__u8 reserved_1e0[0x4];
> +};
> +
> +struct efa_ibv_create_ah_resp {
> +	__u32 comp_mask;
> +	__u16 efa_address_handle;
> +	__u8 reserved_30[0x2];
> +};
> +
> +struct efa_ibv_ex_query_device_resp {
> +	__u32 comp_mask;
> +	__u32 max_sq_wr;
> +	__u32 max_rq_wr;
> +	__u16 max_sq_sge;
> +	__u16 max_rq_sge;
> +};
> +
> +#endif /* EFA_ABI_USER_H */


Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Gal Pressman Feb. 27, 2019, 8:02 a.m. UTC | #3
On 26-Feb-19 21:22, Leon Romanovsky wrote:
> On Thu, Feb 21, 2019 at 05:33:08PM +0200, Gal Pressman wrote:
>> Add the EFA ABI file exposed to userspace.
>>
>> Signed-off-by: Gal Pressman <galpress@amazon.com>
>> ---
>>  include/uapi/rdma/efa-abi.h | 129 ++++++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 129 insertions(+)
>>  create mode 100644 include/uapi/rdma/efa-abi.h
>>
>> diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h
>> new file mode 100644
>> index 000000000000..a97373cdfbd2
>> --- /dev/null
>> +++ b/include/uapi/rdma/efa-abi.h
>> @@ -0,0 +1,129 @@
>> +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
>> +/*
>> + * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
>> + *
>> + * This software is available to you under a choice of one of two
>> + * licenses.  You may choose to be licensed under the terms of the GNU
>> + * General Public License (GPL) Version 2, available from the file
>> + * COPYING in the main directory of this source tree, or the
>> + * BSD license below:
>> + *
>> + *     Redistribution and use in source and binary forms, with or
>> + *     without modification, are permitted provided that the following
>> + *     conditions are met:
>> + *
>> + *      - Redistributions of source code must retain the above
>> + *        copyright notice, this list of conditions and the following
>> + *        disclaimer.
>> + *
>> + *      - Redistributions in binary form must reproduce the above
>> + *        copyright notice, this list of conditions and the following
>> + *        disclaimer in the documentation and/or other materials
>> + *        provided with the distribution.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
>> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
>> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
>> + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
>> + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
>> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
>> + * SOFTWARE.
>> + */
> 
> Please don't include license text, SPDX and copyright line are enough.

Will remove.
Gal Pressman Feb. 27, 2019, 8:02 a.m. UTC | #4
On 26-Feb-19 23:04, Steve Wise wrote:
> 
> On 2/21/2019 9:33 AM, Gal Pressman wrote:
>> Add the EFA ABI file exposed to userspace.
>>
>> Signed-off-by: Gal Pressman <galpress@amazon.com>
>> ---
>>  include/uapi/rdma/efa-abi.h | 129 ++++++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 129 insertions(+)
>>  create mode 100644 include/uapi/rdma/efa-abi.h
>>
>> diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h
>> new file mode 100644
>> index 000000000000..a97373cdfbd2
>> --- /dev/null
>> +++ b/include/uapi/rdma/efa-abi.h
>> @@ -0,0 +1,129 @@
>> +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
>> +/*
>> + * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
>> + *
>> + * This software is available to you under a choice of one of two
>> + * licenses.  You may choose to be licensed under the terms of the GNU
>> + * General Public License (GPL) Version 2, available from the file
>> + * COPYING in the main directory of this source tree, or the
>> + * BSD license below:
>> + *
>> + *     Redistribution and use in source and binary forms, with or
>> + *     without modification, are permitted provided that the following
>> + *     conditions are met:
>> + *
>> + *      - Redistributions of source code must retain the above
>> + *        copyright notice, this list of conditions and the following
>> + *        disclaimer.
>> + *
>> + *      - Redistributions in binary form must reproduce the above
>> + *        copyright notice, this list of conditions and the following
>> + *        disclaimer in the documentation and/or other materials
>> + *        provided with the distribution.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
>> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
>> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
>> + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
>> + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
>> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
>> + * SOFTWARE.
>> + */
>> +
>> +#ifndef EFA_ABI_USER_H
>> +#define EFA_ABI_USER_H
>> +
>> +#include <linux/types.h>
>> +
>> +/*
>> + * Increment this value if any changes that break userspace ABI
>> + * compatibility are made.
>> + */
>> +#define EFA_UVERBS_ABI_VERSION 1
>> +
>> +/*
>> + * Keep structs aligned to 8 bytes.
>> + * Keep reserved fields as arrays of __u8 named reserved_XXX where XXX is the
>> + * hex bit offset of the field.
>> + */
>> +
>> +enum efa_ibv_user_cmds_supp_udata {
>> +	EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE = 1 << 0,
>> +	EFA_USER_CMDS_SUPP_UDATA_CREATE_AH    = 1 << 1,
>> +};
>> +
>> +struct efa_ibv_alloc_ucontext_resp {
>> +	__u32 comp_mask;
>> +	__u32 cmds_supp_udata_mask;
>> +	__u16 sub_cqs_per_cq;
>> +	__u16 inline_buf_size;
>> +	__u32 max_llq_size; /* bytes */
>> +};
>> +
>> +struct efa_ibv_alloc_pd_resp {
>> +	__u32 comp_mask;
>> +	__u16 pdn;
>> +	__u8 reserved_30[0x2];
>> +};
>> +
>> +struct efa_ibv_create_cq {
>> +	__u32 comp_mask;
>> +	__u32 cq_entry_size;
>> +	__u16 num_sub_cqs;
>> +	__u8 reserved_50[0x6];
> 
> 
> Why use hex for the array depth in these reserved bytes?
> 
> 
>> +};
>> +
>> +struct efa_ibv_create_cq_resp {
>> +	__u32 comp_mask;
>> +	__u8 reserved_20[0x4];
>> +	__aligned_u64 q_mmap_key;
>> +	__aligned_u64 q_mmap_size;
>> +	__u16 cq_idx;
>> +	__u8 reserved_d0[0x6];
>> +};
>> +
>> +enum {
>> +	EFA_QP_DRIVER_TYPE_SRD = 0,
>> +};
>> +
>> +struct efa_ibv_create_qp {
>> +	__u32 comp_mask;
>> +	__u32 rq_ring_size; /* bytes */
>> +	__u32 sq_ring_size; /* bytes */
>> +	__u32 driver_qp_type;
>> +};
>> +
>> +struct efa_ibv_create_qp_resp {
>> +	__u32 comp_mask;
>> +	/* the offset inside the page of the rq db */
>> +	__u32 rq_db_offset;
>> +	/* the offset inside the page of the sq db */
>> +	__u32 sq_db_offset;
>> +	/* the offset inside the page of descriptors buffer */
>> +	__u32 llq_desc_offset;
>> +	__aligned_u64 rq_mmap_key;
>> +	__aligned_u64 rq_mmap_size;
>> +	__aligned_u64 rq_db_mmap_key;
>> +	__aligned_u64 sq_db_mmap_key;
>> +	__aligned_u64 llq_desc_mmap_key;
>> +	__u16 send_sub_cq_idx;
>> +	__u16 recv_sub_cq_idx;
>> +	__u8 reserved_1e0[0x4];
>> +};
>> +
>> +struct efa_ibv_create_ah_resp {
>> +	__u32 comp_mask;
>> +	__u16 efa_address_handle;
>> +	__u8 reserved_30[0x2];
>> +};
>> +
>> +struct efa_ibv_ex_query_device_resp {
>> +	__u32 comp_mask;
>> +	__u32 max_sq_wr;
>> +	__u32 max_rq_wr;
>> +	__u16 max_sq_sge;
>> +	__u16 max_rq_sge;
>> +};
>> +
>> +#endif /* EFA_ABI_USER_H */
> 
> 
> Reviewed-by: Steve Wise <swise@opengridcomputing.com>

Thanks Steve!
Gal Pressman March 5, 2019, 2:48 p.m. UTC | #5
On 26-Feb-19 23:04, Steve Wise wrote:
> 
> On 2/21/2019 9:33 AM, Gal Pressman wrote:
>> Add the EFA ABI file exposed to userspace.
>>
>> Signed-off-by: Gal Pressman <galpress@amazon.com>
>> ---
>>  include/uapi/rdma/efa-abi.h | 129 ++++++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 129 insertions(+)
>>  create mode 100644 include/uapi/rdma/efa-abi.h
>>
>> diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h
>> new file mode 100644
>> index 000000000000..a97373cdfbd2
>> --- /dev/null
>> +++ b/include/uapi/rdma/efa-abi.h
>> @@ -0,0 +1,129 @@
>> +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
>> +/*
>> + * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
>> + *
>> + * This software is available to you under a choice of one of two
>> + * licenses.  You may choose to be licensed under the terms of the GNU
>> + * General Public License (GPL) Version 2, available from the file
>> + * COPYING in the main directory of this source tree, or the
>> + * BSD license below:
>> + *
>> + *     Redistribution and use in source and binary forms, with or
>> + *     without modification, are permitted provided that the following
>> + *     conditions are met:
>> + *
>> + *      - Redistributions of source code must retain the above
>> + *        copyright notice, this list of conditions and the following
>> + *        disclaimer.
>> + *
>> + *      - Redistributions in binary form must reproduce the above
>> + *        copyright notice, this list of conditions and the following
>> + *        disclaimer in the documentation and/or other materials
>> + *        provided with the distribution.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
>> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
>> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
>> + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
>> + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
>> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
>> + * SOFTWARE.
>> + */
>> +
>> +#ifndef EFA_ABI_USER_H
>> +#define EFA_ABI_USER_H
>> +
>> +#include <linux/types.h>
>> +
>> +/*
>> + * Increment this value if any changes that break userspace ABI
>> + * compatibility are made.
>> + */
>> +#define EFA_UVERBS_ABI_VERSION 1
>> +
>> +/*
>> + * Keep structs aligned to 8 bytes.
>> + * Keep reserved fields as arrays of __u8 named reserved_XXX where XXX is the
>> + * hex bit offset of the field.
>> + */
>> +
>> +enum efa_ibv_user_cmds_supp_udata {
>> +	EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE = 1 << 0,
>> +	EFA_USER_CMDS_SUPP_UDATA_CREATE_AH    = 1 << 1,
>> +};
>> +
>> +struct efa_ibv_alloc_ucontext_resp {
>> +	__u32 comp_mask;
>> +	__u32 cmds_supp_udata_mask;
>> +	__u16 sub_cqs_per_cq;
>> +	__u16 inline_buf_size;
>> +	__u32 max_llq_size; /* bytes */
>> +};
>> +
>> +struct efa_ibv_alloc_pd_resp {
>> +	__u32 comp_mask;
>> +	__u16 pdn;
>> +	__u8 reserved_30[0x2];
>> +};
>> +
>> +struct efa_ibv_create_cq {
>> +	__u32 comp_mask;
>> +	__u32 cq_entry_size;
>> +	__u16 num_sub_cqs;
>> +	__u8 reserved_50[0x6];
> 
> 
> Why use hex for the array depth in these reserved bytes?
> 

Sorry, missed that comment.
No reason, will change.
diff mbox series

Patch

diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h
new file mode 100644
index 000000000000..a97373cdfbd2
--- /dev/null
+++ b/include/uapi/rdma/efa-abi.h
@@ -0,0 +1,129 @@ 
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EFA_ABI_USER_H
+#define EFA_ABI_USER_H
+
+#include <linux/types.h>
+
+/*
+ * Increment this value if any changes that break userspace ABI
+ * compatibility are made.
+ */
+#define EFA_UVERBS_ABI_VERSION 1
+
+/*
+ * Keep structs aligned to 8 bytes.
+ * Keep reserved fields as arrays of __u8 named reserved_XXX where XXX is the
+ * hex bit offset of the field.
+ */
+
+enum efa_ibv_user_cmds_supp_udata {
+	EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE = 1 << 0,
+	EFA_USER_CMDS_SUPP_UDATA_CREATE_AH    = 1 << 1,
+};
+
+struct efa_ibv_alloc_ucontext_resp {
+	__u32 comp_mask;
+	__u32 cmds_supp_udata_mask;
+	__u16 sub_cqs_per_cq;
+	__u16 inline_buf_size;
+	__u32 max_llq_size; /* bytes */
+};
+
+struct efa_ibv_alloc_pd_resp {
+	__u32 comp_mask;
+	__u16 pdn;
+	__u8 reserved_30[0x2];
+};
+
+struct efa_ibv_create_cq {
+	__u32 comp_mask;
+	__u32 cq_entry_size;
+	__u16 num_sub_cqs;
+	__u8 reserved_50[0x6];
+};
+
+struct efa_ibv_create_cq_resp {
+	__u32 comp_mask;
+	__u8 reserved_20[0x4];
+	__aligned_u64 q_mmap_key;
+	__aligned_u64 q_mmap_size;
+	__u16 cq_idx;
+	__u8 reserved_d0[0x6];
+};
+
+enum {
+	EFA_QP_DRIVER_TYPE_SRD = 0,
+};
+
+struct efa_ibv_create_qp {
+	__u32 comp_mask;
+	__u32 rq_ring_size; /* bytes */
+	__u32 sq_ring_size; /* bytes */
+	__u32 driver_qp_type;
+};
+
+struct efa_ibv_create_qp_resp {
+	__u32 comp_mask;
+	/* the offset inside the page of the rq db */
+	__u32 rq_db_offset;
+	/* the offset inside the page of the sq db */
+	__u32 sq_db_offset;
+	/* the offset inside the page of descriptors buffer */
+	__u32 llq_desc_offset;
+	__aligned_u64 rq_mmap_key;
+	__aligned_u64 rq_mmap_size;
+	__aligned_u64 rq_db_mmap_key;
+	__aligned_u64 sq_db_mmap_key;
+	__aligned_u64 llq_desc_mmap_key;
+	__u16 send_sub_cq_idx;
+	__u16 recv_sub_cq_idx;
+	__u8 reserved_1e0[0x4];
+};
+
+struct efa_ibv_create_ah_resp {
+	__u32 comp_mask;
+	__u16 efa_address_handle;
+	__u8 reserved_30[0x2];
+};
+
+struct efa_ibv_ex_query_device_resp {
+	__u32 comp_mask;
+	__u32 max_sq_wr;
+	__u32 max_rq_wr;
+	__u16 max_sq_sge;
+	__u16 max_rq_sge;
+};
+
+#endif /* EFA_ABI_USER_H */