/* * Copyright (C) 2016 Cavium, Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License * as published by the Free Software Foundation. */ #ifndef __REQUEST_MANAGER_H #define __REQUEST_MANAGER_H #include "cpt_common.h" #define TIME_IN_RESET_COUNT 5 #define COMPLETION_CODE_SIZE 8 #define COMPLETION_CODE_INIT 0 #define PENDING_THOLD 100 #define MAX_SG_IN_CNT 12 #define MAX_SG_OUT_CNT 13 #define SG_LIST_HDR_SIZE 8 #define MAX_BUF_CNT 16 union ctrl_info { u32 flags; struct { #if defined(__BIG_ENDIAN_BITFIELD) u32 reserved0:26; u32 grp:3; /* Group bits */ u32 dma_mode:2; /* DMA mode */ u32 se_req:1;/* To SE core */ #else u32 se_req:1; /* To SE core */ u32 dma_mode:2; /* DMA mode */ u32 grp:3; /* Group bits */ u32 reserved0:26; #endif } s; }; union opcode_info { u16 flags; struct { u8 major; u8 minor; } s; }; struct cptvf_request { union opcode_info opcode; u16 param1; u16 param2; u16 dlen; }; struct buf_ptr { u8 *vptr; dma_addr_t dma_addr; u16 size; }; struct cpt_request_info { u8 incnt; /* Number of input buffers */ u8 outcnt; /* Number of output buffers */ u16 rlen; /* Output length */ union ctrl_info ctrl; /* User control information */ struct cptvf_request req; /* Request Information (Core specific) */ struct buf_ptr in[MAX_BUF_CNT]; struct buf_ptr out[MAX_BUF_CNT]; void (*callback)(int, void *); /* Kernel ASYNC request callabck */ void *callback_arg; /* Kernel ASYNC request callabck arg */ }; struct sglist_component { union { u64 len; struct { u16 len0; u16 len1; u16 len2; u16 len3; } s; } u; u64 ptr0; u64 ptr1; u64 ptr2; u64 ptr3; }; struct cpt_info_buffer { struct cpt_vf *cptvf; unsigned long time_in; u8 extra_time; struct cpt_request_info *req; dma_addr_t dptr_baddr; u32 dlen; dma_addr_t rptr_baddr; dma_addr_t comp_baddr; u8 *in_buffer; u8 *out_buffer; u8 *gather_components; u8 *scatter_components; struct pending_entry *pentry; volatile u64 *completion_addr; volatile u64 *alternate_caddr; }; /* * CPT_INST_S software command definitions * Words EI (0-3) */ union vq_cmd_word0 { u64 u64; struct { u16 opcode; u16 param1; u16 param2; u16 dlen; } s; }; union vq_cmd_word3 { u64 u64; struct { #if defined(__BIG_ENDIAN_BITFIELD) u64 grp:3; u64 cptr:61; #else u64 cptr:61; u64 grp:3; #endif } s; }; struct cpt_vq_command { union vq_cmd_word0 cmd; u64 dptr; u64 rptr; union vq_cmd_word3 cptr; }; void vq_post_process(struct cpt_vf *cptvf, u32 qno); int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req); #endif /* __REQUEST_MANAGER_H */Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
George Cherian | 446 | 100.00% | 1 | 100.00% |
Total | 446 | 100.00% | 1 | 100.00% |