1a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati/* 2a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 3a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * All rights reserved 4a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * www.brocade.com 5a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * 6a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * Linux driver for Brocade Fibre Channel Host Bus Adapter. 7a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * 8a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * This program is free software; you can redistribute it and/or modify it 9a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * under the terms of the GNU General Public License (GPL) Version 2 as 10a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * published by the Free Software Foundation 11a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * 12a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * This program is distributed in the hope that it will be useful, but 13a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * WITHOUT ANY WARRANTY; without even the implied warranty of 14a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * General Public License for more details. 16a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 17a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 18acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 19a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * bfa_cs.h BFA common services 20a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 21a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 22a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#ifndef __BFA_CS_H__ 23a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define __BFA_CS_H__ 24a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 25f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#include "bfad_drv.h" 26a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 27acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 28a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * BFA TRC 29a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 30a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 31a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#ifndef BFA_TRC_MAX 32a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define BFA_TRC_MAX (4 * 1024) 33a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#endif 34a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 35f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#define BFA_TRC_TS(_trcm) \ 36f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang ({ \ 37f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang struct timeval tv; \ 38f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang \ 39f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang do_gettimeofday(&tv); \ 40f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang (tv.tv_sec*1000000+tv.tv_usec); \ 41f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang }) 42f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang 43a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#ifndef BFA_TRC_TS 44a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define BFA_TRC_TS(_trcm) ((_trcm)->ticks++) 45a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#endif 46a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 47a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistruct bfa_trc_s { 48f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#ifdef __BIG_ENDIAN 49a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u16 fileno; 50a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u16 line; 51a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#else 52a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u16 line; 53a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u16 fileno; 54a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#endif 55a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u32 timestamp; 56a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati union { 57a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati struct { 58a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u32 rsvd; 59a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u32 u32; 60a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati } u32; 61a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u64 u64; 62a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati } data; 63a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati}; 64a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 65a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistruct bfa_trc_mod_s { 66a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u32 head; 67a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u32 tail; 68a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u32 ntrc; 69a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u32 stopped; 70a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u32 ticks; 71a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati u32 rsvd[3]; 72a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati struct bfa_trc_s trc[BFA_TRC_MAX]; 73a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati}; 74a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 75a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatienum { 76a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati BFA_TRC_HAL = 1, /* BFA modules */ 77a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati BFA_TRC_FCS = 2, /* BFA FCS modules */ 78a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati BFA_TRC_LDRV = 3, /* Linux driver modules */ 79a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati BFA_TRC_CNA = 4, /* Common modules */ 80a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati}; 81a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define BFA_TRC_MOD_SH 10 82a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define BFA_TRC_MOD(__mod) ((BFA_TRC_ ## __mod) << BFA_TRC_MOD_SH) 83a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 84acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 85a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * Define a new tracing file (module). Module should match one defined above. 86a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 87a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define BFA_TRC_FILE(__mod, __submod) \ 88a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati static int __trc_fileno = ((BFA_TRC_ ## __mod ## _ ## __submod) | \ 89a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati BFA_TRC_MOD(__mod)) 90a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 91a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 92a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_trc32(_trcp, _data) \ 93a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati __bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u32)_data) 94a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_trc(_trcp, _data) \ 95a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati __bfa_trc((_trcp)->trcmod, __trc_fileno, __LINE__, (u64)_data) 96a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 97a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline void 98a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatibfa_trc_init(struct bfa_trc_mod_s *trcm) 99a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 100a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trcm->head = trcm->tail = trcm->stopped = 0; 101a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trcm->ntrc = BFA_TRC_MAX; 102a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 103a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 104a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline void 105a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatibfa_trc_stop(struct bfa_trc_mod_s *trcm) 106a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 107a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trcm->stopped = 1; 108a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 109a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 110a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline void 111a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati__bfa_trc(struct bfa_trc_mod_s *trcm, int fileno, int line, u64 data) 112a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 113a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati int tail = trcm->tail; 114a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati struct bfa_trc_s *trc = &trcm->trc[tail]; 115a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 116a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati if (trcm->stopped) 117a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati return; 118a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 119a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trc->fileno = (u16) fileno; 120a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trc->line = (u16) line; 121a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trc->data.u64 = data; 122a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trc->timestamp = BFA_TRC_TS(trcm); 123a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 124a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1); 125a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati if (trcm->tail == trcm->head) 126a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1); 127a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 128a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 129a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 130a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline void 131a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati__bfa_trc32(struct bfa_trc_mod_s *trcm, int fileno, int line, u32 data) 132a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 133a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati int tail = trcm->tail; 134a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati struct bfa_trc_s *trc = &trcm->trc[tail]; 135a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 136a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati if (trcm->stopped) 137a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati return; 138a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 139a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trc->fileno = (u16) fileno; 140a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trc->line = (u16) line; 141a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trc->data.u32.u32 = data; 142a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trc->timestamp = BFA_TRC_TS(trcm); 143a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 144a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1); 145a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati if (trcm->tail == trcm->head) 146a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1); 147a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 148a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 149a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_sm_fault(__mod, __event) do { \ 150a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_trc(__mod, (((u32)0xDEAD << 16) | __event)); \ 151a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati printk(KERN_ERR "Assertion failure: %s:%d: %d", \ 152a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati __FILE__, __LINE__, (__event)); \ 153a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} while (0) 154a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 155a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati/* BFA queue definitions */ 156a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_q_first(_q) ((void *)(((struct list_head *) (_q))->next)) 157a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_q_next(_qe) (((struct list_head *) (_qe))->next) 158a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_q_prev(_qe) (((struct list_head *) (_qe))->prev) 159a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 160a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati/* 161a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * bfa_q_qe_init - to initialize a queue element 162a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 163a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_q_qe_init(_qe) { \ 164a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_q_next(_qe) = (struct list_head *) NULL; \ 165a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_q_prev(_qe) = (struct list_head *) NULL; \ 166a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 167a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 168a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati/* 169a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * bfa_q_deq - dequeue an element from head of the queue 170a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 171c3f1b123d0573b47aea540c711e6ca83737c5d86Krishna Gudipati#define bfa_q_deq(_q, _qe) do { \ 172a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati if (!list_empty(_q)) { \ 173a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati (*((struct list_head **) (_qe))) = bfa_q_next(_q); \ 174a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_q_prev(bfa_q_next(*((struct list_head **) _qe))) = \ 175a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati (struct list_head *) (_q); \ 176a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_q_next(_q) = bfa_q_next(*((struct list_head **) _qe));\ 177a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati } else { \ 178a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati *((struct list_head **) (_qe)) = (struct list_head *) NULL;\ 179a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati } \ 180c3f1b123d0573b47aea540c711e6ca83737c5d86Krishna Gudipati} while (0) 181a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 182a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati/* 183a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * bfa_q_deq_tail - dequeue an element from tail of the queue 184a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 185a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_q_deq_tail(_q, _qe) { \ 186a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati if (!list_empty(_q)) { \ 187a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati *((struct list_head **) (_qe)) = bfa_q_prev(_q); \ 188a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_q_next(bfa_q_prev(*((struct list_head **) _qe))) = \ 189a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati (struct list_head *) (_q); \ 190a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_q_prev(_q) = bfa_q_prev(*(struct list_head **) _qe);\ 191a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati } else { \ 192a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati *((struct list_head **) (_qe)) = (struct list_head *) NULL;\ 193a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati } \ 194a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 195a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 196a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline int 197a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatibfa_q_is_on_q_func(struct list_head *q, struct list_head *qe) 198a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 199a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati struct list_head *tqe; 200a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 201a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati tqe = bfa_q_next(q); 202a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati while (tqe != q) { 203a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati if (tqe == qe) 204a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati return 1; 205a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati tqe = bfa_q_next(tqe); 206a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati if (tqe == NULL) 207a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati break; 208a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati } 209a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati return 0; 210a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 211a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 212a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_q_is_on_q(_q, _qe) \ 213a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_q_is_on_q_func(_q, (struct list_head *)(_qe)) 214a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 215acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 216a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * @ BFA state machine interfaces 217a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 218a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 219a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatitypedef void (*bfa_sm_t)(void *sm, int event); 220a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 221acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 222a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * oc - object class eg. bfa_ioc 223a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * st - state, eg. reset 224a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * otype - object type, eg. struct bfa_ioc_s 225a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * etype - object type, eg. enum ioc_event 226a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 227a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_sm_state_decl(oc, st, otype, etype) \ 228a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati static void oc ## _sm_ ## st(otype * fsm, etype event) 229a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 230a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_sm_set_state(_sm, _state) ((_sm)->sm = (bfa_sm_t)(_state)) 231a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_sm_send_event(_sm, _event) ((_sm)->sm((_sm), (_event))) 232a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_sm_get_state(_sm) ((_sm)->sm) 233a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (bfa_sm_t)(_state)) 234a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 235acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 236a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * For converting from state machine function to state encoding. 237a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 238a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistruct bfa_sm_table_s { 239a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_sm_t sm; /* state machine function */ 240a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati int state; /* state machine encoding */ 241a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati char *name; /* state name for display */ 242a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati}; 243a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define BFA_SM(_sm) ((bfa_sm_t)(_sm)) 244a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 245acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 246a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * State machine with entry actions. 247a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 248a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatitypedef void (*bfa_fsm_t)(void *fsm, int event); 249a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 250acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 251a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * oc - object class eg. bfa_ioc 252a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * st - state, eg. reset 253a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * otype - object type, eg. struct bfa_ioc_s 254a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * etype - object type, eg. enum ioc_event 255a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 256a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_fsm_state_decl(oc, st, otype, etype) \ 257a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati static void oc ## _sm_ ## st(otype * fsm, etype event); \ 258a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati static void oc ## _sm_ ## st ## _entry(otype * fsm) 259a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 260a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_fsm_set_state(_fsm, _state) do { \ 261a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati (_fsm)->fsm = (bfa_fsm_t)(_state); \ 262a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati _state ## _entry(_fsm); \ 263a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} while (0) 264a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 265a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_fsm_send_event(_fsm, _event) ((_fsm)->fsm((_fsm), (_event))) 266a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_fsm_get_state(_fsm) ((_fsm)->fsm) 267a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#define bfa_fsm_cmp_state(_fsm, _state) \ 268a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati ((_fsm)->fsm == (bfa_fsm_t)(_state)) 269a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 270a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline int 271a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatibfa_sm_to_state(struct bfa_sm_table_s *smt, bfa_sm_t sm) 272a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 273a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati int i = 0; 274a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 275a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati while (smt[i].sm && smt[i].sm != sm) 276a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati i++; 277a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati return smt[i].state; 278a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 279a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 280acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 281a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * @ Generic wait counter. 282a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 283a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 284a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatitypedef void (*bfa_wc_resume_t) (void *cbarg); 285a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 286a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistruct bfa_wc_s { 287a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_wc_resume_t wc_resume; 288a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati void *wc_cbarg; 289a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati int wc_count; 290a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati}; 291a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 292a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline void 293a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatibfa_wc_up(struct bfa_wc_s *wc) 294a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 295a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati wc->wc_count++; 296a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 297a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 298a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline void 299a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatibfa_wc_down(struct bfa_wc_s *wc) 300a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 301a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati wc->wc_count--; 302a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati if (wc->wc_count == 0) 303a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati wc->wc_resume(wc->wc_cbarg); 304a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 305a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 306acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 307a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * Initialize a waiting counter. 308a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 309a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline void 310a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatibfa_wc_init(struct bfa_wc_s *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg) 311a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 312a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati wc->wc_resume = wc_resume; 313a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati wc->wc_cbarg = wc_cbarg; 314a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati wc->wc_count = 0; 315a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_wc_up(wc); 316a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 317a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 318acdc79a60cb3cbbc9f07bb5032d890e9cf94f0ffJing Huang/* 319a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati * Wait for counter to reach zero 320a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati */ 321a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatistatic inline void 322a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipatibfa_wc_wait(struct bfa_wc_s *wc) 323a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati{ 324a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati bfa_wc_down(wc); 325a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati} 326a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati 327f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhangstatic inline void 328f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhangwwn2str(char *wwn_str, u64 wwn) 329f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang{ 330f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang union { 331f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang u64 wwn; 332f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang u8 byte[8]; 333f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang } w; 334f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang 335f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang w.wwn = wwn; 336f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang sprintf(wwn_str, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", w.byte[0], 337f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang w.byte[1], w.byte[2], w.byte[3], w.byte[4], w.byte[5], 338f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang w.byte[6], w.byte[7]); 339f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang} 340f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang 341f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhangstatic inline void 342f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhangfcid2str(char *fcid_str, u32 fcid) 343f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang{ 344f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang union { 345f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang u32 fcid; 346f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang u8 byte[4]; 347f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang } f; 348f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang 349f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang f.fcid = fcid; 350f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang sprintf(fcid_str, "%02x:%02x:%02x", f.byte[1], f.byte[2], f.byte[3]); 351f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang} 352f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang 353f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#define bfa_swap_3b(_x) \ 354f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang ((((_x) & 0xff) << 16) | \ 355f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang ((_x) & 0x00ff00) | \ 356f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang (((_x) & 0xff0000) >> 16)) 357f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang 358f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#ifndef __BIG_ENDIAN 359f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#define bfa_hton3b(_x) bfa_swap_3b(_x) 360f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#else 361f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#define bfa_hton3b(_x) (_x) 362f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#endif 363f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang 364f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang#define bfa_ntoh3b(_x) bfa_hton3b(_x) 365f16a17507b09e10e0cccc4d675ccbfe030d51ef1Maggie Zhang 366a36c61f9025b8924f99f54d518763bee7aa84085Krishna Gudipati#endif /* __BFA_CS_H__ */ 367