/* * 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__ */