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[rdma-next,07/13] RDMA/efa: Add the ABI definitions

Message ID 1543925069-8838-8-git-send-email-galpress@amazon.com (mailing list archive)
State Changes Requested
Headers show
Series Elastic Fabric Adapter (EFA) driver | expand

Commit Message

Gal Pressman Dec. 4, 2018, 12:04 p.m. UTC
Add the EFA ABI file.

Signed-off-by: Gal Pressman <galpress@amazon.com>
---
 include/uapi/rdma/efa-abi.h | 89 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 include/uapi/rdma/efa-abi.h

Comments

Jason Gunthorpe Dec. 4, 2018, 4:01 p.m. UTC | #1
On Tue, Dec 04, 2018 at 02:04:23PM +0200, Gal Pressman wrote:
> Add the EFA ABI file.
> 
> Signed-off-by: Gal Pressman <galpress@amazon.com>
>  include/uapi/rdma/efa-abi.h | 89 +++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 89 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..0f97a0fba967
> +++ b/include/uapi/rdma/efa-abi.h
> @@ -0,0 +1,89 @@
> +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
> +/*
> + * Copyright 2018 Amazon.com, Inc. or its affiliates.
> + */
> +
> +#ifndef _EFA_ABI_H_
> +#define _EFA_ABI_H_
> +
> +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,
> +};
> +
> +enum efa_ibv_kernel_supp_mask {
> +	EFA_KERNEL_SUPP_QPT_SRD               = 1 << 0,
> +};
> +
> +struct efa_ibv_alloc_ucontext_resp {
> +	__u32 comp_mask;
> +	__u32 cmds_supp_udata_mask;
> +	__u32 kernel_supp_mask;
> +	__u8 reserved_60[0x4];

The use of _60 is a bit non-conventional for these headers, the
trailing reserved should usually just be reserved..

Jason
Gal Pressman Dec. 5, 2018, 8:58 a.m. UTC | #2
On 04-Dec-18 18:01, Jason Gunthorpe wrote:
> On Tue, Dec 04, 2018 at 02:04:23PM +0200, Gal Pressman wrote:
>> Add the EFA ABI file.
>>
>> Signed-off-by: Gal Pressman <galpress@amazon.com>
>>  include/uapi/rdma/efa-abi.h | 89 +++++++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 89 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..0f97a0fba967
>> +++ b/include/uapi/rdma/efa-abi.h
>> @@ -0,0 +1,89 @@
>> +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
>> +/*
>> + * Copyright 2018 Amazon.com, Inc. or its affiliates.
>> + */
>> +
>> +#ifndef _EFA_ABI_H_
>> +#define _EFA_ABI_H_
>> +
>> +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,
>> +};
>> +
>> +enum efa_ibv_kernel_supp_mask {
>> +	EFA_KERNEL_SUPP_QPT_SRD               = 1 << 0,
>> +};
>> +
>> +struct efa_ibv_alloc_ucontext_resp {
>> +	__u32 comp_mask;
>> +	__u32 cmds_supp_udata_mask;
>> +	__u32 kernel_supp_mask;
>> +	__u8 reserved_60[0x4];
> 
> The use of _60 is a bit non-conventional for these headers, the
> trailing reserved should usually just be reserved..
> 
> Jason
> 

The _60 states the offset of the field inside the struct, makes it more readable
than having a plain reserved.
kernel test robot Dec. 5, 2018, 12:17 p.m. UTC | #3
Hi Gal,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on rdma/for-next]
[also build test WARNING on v4.20-rc5 next-20181204]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Gal-Pressman/Elastic-Fabric-Adapter-EFA-driver/20181205-064703
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
config: riscv-tinyconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 8.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=riscv 

All warnings (new ones prefixed by >>):

>> ./usr/include/rdma/efa-abi.h:19: found __[us]{8,16,32,64} type without #include <linux/types.h>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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..0f97a0fba967
--- /dev/null
+++ b/include/uapi/rdma/efa-abi.h
@@ -0,0 +1,89 @@ 
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright 2018 Amazon.com, Inc. or its affiliates.
+ */
+
+#ifndef _EFA_ABI_H_
+#define _EFA_ABI_H_
+
+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,
+};
+
+enum efa_ibv_kernel_supp_mask {
+	EFA_KERNEL_SUPP_QPT_SRD               = 1 << 0,
+};
+
+struct efa_ibv_alloc_ucontext_resp {
+	__u32 comp_mask;
+	__u32 cmds_supp_udata_mask;
+	__u32 kernel_supp_mask;
+	__u8 reserved_60[0x4];
+};
+
+struct efa_ibv_alloc_pd_resp {
+	__u32 comp_mask;
+	__u32 pdn;
+};
+
+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];
+};
+
+struct efa_ibv_create_qp {
+	__u32 comp_mask;
+	__u32 rq_entries;
+	__u32 rq_entry_size;
+	__u32 sq_depth;
+	__u32 sq_ring_size;
+	__u32 srd_qp;
+};
+
+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;
+	__u16 max_sq_sge;
+	__u16 max_rq_sge;
+	__u16 max_sq_wr;
+	__u16 max_rq_wr;
+	__u16 sub_cqs_per_cq;
+	__u16 max_inline_data;
+};
+
+#endif /* _EFA_ABI_H_ */