1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2016 Cavium, Inc.
6 #ifndef __REQUEST_MANAGER_H
7 #define __REQUEST_MANAGER_H
9 #include "cpt_common.h"
11 #define TIME_IN_RESET_COUNT 5
12 #define COMPLETION_CODE_SIZE 8
13 #define COMPLETION_CODE_INIT 0
14 #define PENDING_THOLD 100
15 #define MAX_SG_IN_CNT 12
16 #define MAX_SG_OUT_CNT 13
17 #define SG_LIST_HDR_SIZE 8
18 #define MAX_BUF_CNT 16
23 #if defined(__BIG_ENDIAN_BITFIELD)
25 u32 grp:3; /* Group bits */
26 u32 dma_mode:2; /* DMA mode */
27 u32 se_req:1;/* To SE core */
29 u32 se_req:1; /* To SE core */
30 u32 dma_mode:2; /* DMA mode */
31 u32 grp:3; /* Group bits */
45 struct cptvf_request {
46 union opcode_info opcode;
58 struct cpt_request_info {
59 u8 incnt; /* Number of input buffers */
60 u8 outcnt; /* Number of output buffers */
61 u16 rlen; /* Output length */
62 union ctrl_info ctrl; /* User control information */
63 struct cptvf_request req; /* Request Information (Core specific) */
67 struct buf_ptr in[MAX_BUF_CNT];
68 struct buf_ptr out[MAX_BUF_CNT];
70 void (*callback)(int, void *); /* Kernel ASYNC request callabck */
71 void *callback_arg; /* Kernel ASYNC request callabck arg */
74 struct sglist_component {
90 struct cpt_info_buffer {
92 unsigned long time_in;
95 struct cpt_request_info *req;
96 dma_addr_t dptr_baddr;
98 dma_addr_t rptr_baddr;
99 dma_addr_t comp_baddr;
102 u8 *gather_components;
103 u8 *scatter_components;
105 struct pending_entry *pentry;
106 volatile u64 *completion_addr;
107 volatile u64 *alternate_caddr;
111 * CPT_INST_S software command definitions
127 #if defined(__BIG_ENDIAN_BITFIELD)
137 struct cpt_vq_command {
138 union vq_cmd_word0 cmd;
141 union vq_cmd_word3 cptr;
144 void vq_post_process(struct cpt_vf *cptvf, u32 qno);
145 int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req);
146 #endif /* __REQUEST_MANAGER_H */