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146 lines
2.6 KiB
146 lines
2.6 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2016 Cavium, Inc. |
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*/ |
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#ifndef __REQUEST_MANAGER_H |
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#define __REQUEST_MANAGER_H |
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#include "cpt_common.h" |
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#define TIME_IN_RESET_COUNT 5 |
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#define COMPLETION_CODE_SIZE 8 |
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#define COMPLETION_CODE_INIT 0 |
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#define PENDING_THOLD 100 |
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#define MAX_SG_IN_CNT 12 |
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#define MAX_SG_OUT_CNT 13 |
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#define SG_LIST_HDR_SIZE 8 |
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#define MAX_BUF_CNT 16 |
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union ctrl_info { |
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u32 flags; |
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struct { |
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#if defined(__BIG_ENDIAN_BITFIELD) |
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u32 reserved0:26; |
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u32 grp:3; /* Group bits */ |
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u32 dma_mode:2; /* DMA mode */ |
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u32 se_req:1;/* To SE core */ |
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#else |
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u32 se_req:1; /* To SE core */ |
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u32 dma_mode:2; /* DMA mode */ |
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u32 grp:3; /* Group bits */ |
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u32 reserved0:26; |
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#endif |
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} s; |
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}; |
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union opcode_info { |
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u16 flags; |
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struct { |
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u8 major; |
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u8 minor; |
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} s; |
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}; |
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struct cptvf_request { |
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union opcode_info opcode; |
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u16 param1; |
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u16 param2; |
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u16 dlen; |
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}; |
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struct buf_ptr { |
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u8 *vptr; |
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dma_addr_t dma_addr; |
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u16 size; |
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}; |
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struct cpt_request_info { |
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u8 incnt; /* Number of input buffers */ |
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u8 outcnt; /* Number of output buffers */ |
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u16 rlen; /* Output length */ |
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union ctrl_info ctrl; /* User control information */ |
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struct cptvf_request req; /* Request Information (Core specific) */ |
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bool may_sleep; |
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struct buf_ptr in[MAX_BUF_CNT]; |
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struct buf_ptr out[MAX_BUF_CNT]; |
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void (*callback)(int, void *); /* Kernel ASYNC request callabck */ |
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void *callback_arg; /* Kernel ASYNC request callabck arg */ |
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}; |
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struct sglist_component { |
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union { |
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u64 len; |
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struct { |
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__be16 len0; |
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__be16 len1; |
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__be16 len2; |
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__be16 len3; |
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} s; |
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} u; |
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__be64 ptr0; |
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__be64 ptr1; |
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__be64 ptr2; |
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__be64 ptr3; |
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}; |
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struct cpt_info_buffer { |
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struct cpt_vf *cptvf; |
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unsigned long time_in; |
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u8 extra_time; |
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struct cpt_request_info *req; |
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dma_addr_t dptr_baddr; |
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u32 dlen; |
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dma_addr_t rptr_baddr; |
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dma_addr_t comp_baddr; |
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u8 *in_buffer; |
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u8 *out_buffer; |
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u8 *gather_components; |
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u8 *scatter_components; |
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struct pending_entry *pentry; |
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volatile u64 *completion_addr; |
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volatile u64 *alternate_caddr; |
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}; |
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/* |
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* CPT_INST_S software command definitions |
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* Words EI (0-3) |
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*/ |
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union vq_cmd_word0 { |
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u64 u64; |
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struct { |
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__be16 opcode; |
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__be16 param1; |
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__be16 param2; |
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__be16 dlen; |
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} s; |
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}; |
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union vq_cmd_word3 { |
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u64 u64; |
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struct { |
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#if defined(__BIG_ENDIAN_BITFIELD) |
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u64 grp:3; |
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u64 cptr:61; |
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#else |
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u64 cptr:61; |
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u64 grp:3; |
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#endif |
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} s; |
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}; |
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struct cpt_vq_command { |
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union vq_cmd_word0 cmd; |
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u64 dptr; |
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u64 rptr; |
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union vq_cmd_word3 cptr; |
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}; |
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void vq_post_process(struct cpt_vf *cptvf, u32 qno); |
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int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req); |
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#endif /* __REQUEST_MANAGER_H */
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