163 lines
4.4 KiB
C
163 lines
4.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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#ifndef __QPLIB_TLV_H__
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#define __QPLIB_TLV_H__
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struct roce_tlv {
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struct tlv tlv;
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u8 total_size; // in units of 16 byte chunks
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u8 unused[7]; // for 16 byte alignment
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};
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#define CHUNK_SIZE 16
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#define CHUNKS(x) (((x) + CHUNK_SIZE - 1) / CHUNK_SIZE)
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static inline void __roce_1st_tlv_prep(struct roce_tlv *rtlv, u8 tot_chunks,
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u16 content_bytes, u8 flags)
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{
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rtlv->tlv.cmd_discr = cpu_to_le16(CMD_DISCR_TLV_ENCAP);
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rtlv->tlv.tlv_type = cpu_to_le16(TLV_TYPE_ROCE_SP_COMMAND);
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rtlv->tlv.length = cpu_to_le16(content_bytes);
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rtlv->tlv.flags = TLV_FLAGS_REQUIRED;
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rtlv->tlv.flags |= flags ? TLV_FLAGS_MORE : 0;
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rtlv->total_size = (tot_chunks);
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}
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static inline void __roce_ext_tlv_prep(struct roce_tlv *rtlv, u16 tlv_type,
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u16 content_bytes, u8 more, u8 flags)
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{
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rtlv->tlv.cmd_discr = cpu_to_le16(CMD_DISCR_TLV_ENCAP);
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rtlv->tlv.tlv_type = cpu_to_le16(tlv_type);
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rtlv->tlv.length = cpu_to_le16(content_bytes);
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rtlv->tlv.flags |= more ? TLV_FLAGS_MORE : 0;
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rtlv->tlv.flags |= flags ? TLV_FLAGS_REQUIRED : 0;
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}
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/*
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* TLV size in units of 16 byte chunks
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*/
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#define TLV_SIZE ((sizeof(struct roce_tlv) + 15) / 16)
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/*
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* TLV length in bytes
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*/
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#define TLV_BYTES (TLV_SIZE * 16)
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#define HAS_TLV_HEADER(msg) (le16_to_cpu(((struct tlv *)(msg))->cmd_discr) == CMD_DISCR_TLV_ENCAP)
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#define GET_TLV_DATA(tlv) ((void *)&((uint8_t *)(tlv))[TLV_BYTES])
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static inline u8 __get_cmdq_base_opcode(struct cmdq_base *req, u32 size)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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return ((struct cmdq_base *)GET_TLV_DATA(req))->opcode;
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else
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return req->opcode;
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}
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static inline void __set_cmdq_base_opcode(struct cmdq_base *req,
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u32 size, u8 val)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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((struct cmdq_base *)GET_TLV_DATA(req))->opcode = val;
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else
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req->opcode = val;
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}
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static inline __le16 __get_cmdq_base_cookie(struct cmdq_base *req, u32 size)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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return ((struct cmdq_base *)GET_TLV_DATA(req))->cookie;
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else
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return req->cookie;
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}
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static inline void __set_cmdq_base_cookie(struct cmdq_base *req,
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u32 size, __le16 val)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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((struct cmdq_base *)GET_TLV_DATA(req))->cookie = val;
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else
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req->cookie = val;
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}
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static inline __le64 __get_cmdq_base_resp_addr(struct cmdq_base *req, u32 size)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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return ((struct cmdq_base *)GET_TLV_DATA(req))->resp_addr;
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else
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return req->resp_addr;
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}
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static inline void __set_cmdq_base_resp_addr(struct cmdq_base *req,
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u32 size, __le64 val)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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((struct cmdq_base *)GET_TLV_DATA(req))->resp_addr = val;
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else
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req->resp_addr = val;
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}
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static inline u8 __get_cmdq_base_resp_size(struct cmdq_base *req, u32 size)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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return ((struct cmdq_base *)GET_TLV_DATA(req))->resp_size;
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else
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return req->resp_size;
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}
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static inline void __set_cmdq_base_resp_size(struct cmdq_base *req,
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u32 size, u8 val)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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((struct cmdq_base *)GET_TLV_DATA(req))->resp_size = val;
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else
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req->resp_size = val;
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}
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static inline u8 __get_cmdq_base_cmd_size(struct cmdq_base *req, u32 size)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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return ((struct roce_tlv *)(req))->total_size;
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else
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return req->cmd_size;
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}
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static inline void __set_cmdq_base_cmd_size(struct cmdq_base *req,
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u32 size, u8 val)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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((struct cmdq_base *)GET_TLV_DATA(req))->cmd_size = val;
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else
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req->cmd_size = val;
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}
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static inline __le16 __get_cmdq_base_flags(struct cmdq_base *req, u32 size)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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return ((struct cmdq_base *)GET_TLV_DATA(req))->flags;
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else
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return req->flags;
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}
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static inline void __set_cmdq_base_flags(struct cmdq_base *req,
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u32 size, __le16 val)
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{
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if (HAS_TLV_HEADER(req) && size > TLV_BYTES)
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((struct cmdq_base *)GET_TLV_DATA(req))->flags = val;
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else
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req->flags = val;
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}
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struct bnxt_qplib_tlv_modify_cc_req {
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struct roce_tlv tlv_hdr;
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struct cmdq_modify_roce_cc base_req;
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__le64 tlvpad;
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struct cmdq_modify_roce_cc_gen1_tlv ext_req;
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};
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struct bnxt_qplib_tlv_query_rcc_sb {
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struct roce_tlv tlv_hdr;
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struct creq_query_roce_cc_resp_sb base_sb;
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struct creq_query_roce_cc_gen1_resp_sb_tlv gen1_sb;
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};
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#endif /* __QPLIB_TLV_H__ */
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