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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /* * This file is part of the Chelsio FCoE driver for Linux. * * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef __CSIO_DEFS_H__ #define __CSIO_DEFS_H__ #include <linux/kernel.h> #include <linux/stddef.h> #include <linux/timer.h> #include <linux/list.h> #include <linux/bug.h> #include <linux/pci.h> #include <linux/jiffies.h> #define CSIO_INVALID_IDX 0xFFFFFFFF #define CSIO_INC_STATS(elem, val) ((elem)->stats.val++) #define CSIO_DEC_STATS(elem, val) ((elem)->stats.val--) #define CSIO_VALID_WWN(__n) ((*__n >> 4) == 0x5 ? true : false) #define CSIO_DID_MASK 0xFFFFFF #define CSIO_WORD_TO_BYTE 4 #ifndef readq static inline u64 readq(void __iomem *addr) { return readl(addr) + ((u64)readl(addr + 4) << 32); } static inline void writeq(u64 val, void __iomem *addr) { writel(val, addr); writel(val >> 32, addr + 4); } #endif static inline int csio_list_deleted(struct list_head *list) { return ((list->next == list) && (list->prev == list)); } #define csio_list_next(elem) (((struct list_head *)(elem))->next) #define csio_list_prev(elem) (((struct list_head *)(elem))->prev) /* State machine */ struct csio_lnode; /* State machine evets */ enum csio_ln_ev { CSIO_LNE_NONE = (uint32_t)0, CSIO_LNE_LINKUP, CSIO_LNE_FAB_INIT_DONE, CSIO_LNE_LINK_DOWN, CSIO_LNE_DOWN_LINK, CSIO_LNE_LOGO, CSIO_LNE_CLOSE, CSIO_LNE_MAX_EVENT, }; typedef void (*csio_sm_state_t)(struct csio_lnode *ln, enum csio_ln_ev evt); struct csio_sm { struct list_head sm_list; csio_sm_state_t sm_state; }; static inline void csio_set_state(void *smp, void *state) { ((struct csio_sm *)smp)->sm_state = state; } static inline void csio_init_state(struct csio_sm *smp, void *state) { csio_set_state(smp, state); } static inline void csio_post_event(void *smp, uint32_t evt) { ((struct csio_sm *)smp)->sm_state(smp, evt); } static inline csio_sm_state_t csio_get_state(void *smp) { return ((struct csio_sm *)smp)->sm_state; } static inline bool csio_match_state(void *smp, void *state) { return (csio_get_state(smp) == (csio_sm_state_t)state); } #define CSIO_ASSERT(cond) BUG_ON(!(cond)) #ifdef __CSIO_DEBUG__ #define CSIO_DB_ASSERT(__c) CSIO_ASSERT((__c)) #else #define CSIO_DB_ASSERT(__c) #endif #endif /* ifndef __CSIO_DEFS_H__ */ |