Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 3 | * All rights reserved |
| 4 | * www.brocade.com |
| 5 | * |
| 6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License (GPL) Version 2 as |
| 10 | * published by the Free Software Foundation |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | */ |
| 17 | |
| 18 | /** |
| 19 | * Contains declarations all OS Specific files needed for BFA layer |
| 20 | */ |
| 21 | |
| 22 | #ifndef __BFA_OS_INC_H__ |
| 23 | #define __BFA_OS_INC_H__ |
| 24 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 25 | #include <linux/types.h> |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 26 | #include <linux/version.h> |
| 27 | #include <linux/pci.h> |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 28 | #include <linux/dma-mapping.h> |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 29 | #include <linux/idr.h> |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 30 | #include <linux/interrupt.h> |
| 31 | #include <linux/cdev.h> |
| 32 | #include <linux/fs.h> |
| 33 | #include <linux/delay.h> |
| 34 | #include <linux/vmalloc.h> |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 35 | #include <linux/workqueue.h> |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 36 | #include <linux/bitops.h> |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 37 | #include <scsi/scsi.h> |
| 38 | #include <scsi/scsi_host.h> |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 39 | #include <scsi/scsi_tcq.h> |
| 40 | #include <scsi/scsi_transport_fc.h> |
| 41 | #include <scsi/scsi_transport.h> |
| 42 | |
Jing Huang | 077424e | 2010-03-19 11:07:36 -0700 | [diff] [blame] | 43 | #ifdef __BIG_ENDIAN |
| 44 | #define __BIGENDIAN |
| 45 | #endif |
| 46 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 47 | static inline u64 bfa_os_get_clock(void) |
| 48 | { |
| 49 | return jiffies; |
| 50 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 51 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 52 | static inline u64 bfa_os_get_log_time(void) |
| 53 | { |
| 54 | u64 system_time = 0; |
| 55 | struct timeval tv; |
| 56 | do_gettimeofday(&tv); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 57 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 58 | /* We are interested in seconds only. */ |
| 59 | system_time = tv.tv_sec; |
| 60 | return system_time; |
| 61 | } |
| 62 | |
| 63 | #define bfa_io_lat_clock_res_div HZ |
| 64 | #define bfa_io_lat_clock_res_mul 1000 |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 65 | |
| 66 | #define BFA_ASSERT(p) do { \ |
| 67 | if (!(p)) { \ |
| 68 | printk(KERN_ERR "assert(%s) failed at %s:%d\n", \ |
| 69 | #p, __FILE__, __LINE__); \ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 70 | } \ |
| 71 | } while (0) |
| 72 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 73 | #define BFA_LOG(level, bfad, mask, fmt, arg...) \ |
| 74 | do { \ |
| 75 | if (((mask) == 4) || (level[1] <= '4')) \ |
| 76 | dev_printk(level, &((bfad)->pcidev)->dev, fmt, ##arg); \ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 77 | } while (0) |
| 78 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 79 | #define bfa_swap_3b(_x) \ |
| 80 | ((((_x) & 0xff) << 16) | \ |
| 81 | ((_x) & 0x00ff00) | \ |
| 82 | (((_x) & 0xff0000) >> 16)) |
| 83 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 84 | #define bfa_swap_8b(_x) \ |
| 85 | ((((_x) & 0xff00000000000000ull) >> 56) \ |
| 86 | | (((_x) & 0x00ff000000000000ull) >> 40) \ |
| 87 | | (((_x) & 0x0000ff0000000000ull) >> 24) \ |
| 88 | | (((_x) & 0x000000ff00000000ull) >> 8) \ |
| 89 | | (((_x) & 0x00000000ff000000ull) << 8) \ |
| 90 | | (((_x) & 0x0000000000ff0000ull) << 24) \ |
| 91 | | (((_x) & 0x000000000000ff00ull) << 40) \ |
| 92 | | (((_x) & 0x00000000000000ffull) << 56)) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 93 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 94 | #define bfa_os_swap32(_x) \ |
| 95 | ((((_x) & 0xff) << 24) | \ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 96 | (((_x) & 0x0000ff00) << 8) | \ |
| 97 | (((_x) & 0x00ff0000) >> 8) | \ |
| 98 | (((_x) & 0xff000000) >> 24)) |
| 99 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 100 | #define bfa_os_swap_sgaddr(_x) ((u64)( \ |
| 101 | (((u64)(_x) & (u64)0x00000000000000ffull) << 32) | \ |
| 102 | (((u64)(_x) & (u64)0x000000000000ff00ull) << 32) | \ |
| 103 | (((u64)(_x) & (u64)0x0000000000ff0000ull) << 32) | \ |
| 104 | (((u64)(_x) & (u64)0x00000000ff000000ull) << 32) | \ |
| 105 | (((u64)(_x) & (u64)0x000000ff00000000ull) >> 32) | \ |
| 106 | (((u64)(_x) & (u64)0x0000ff0000000000ull) >> 32) | \ |
| 107 | (((u64)(_x) & (u64)0x00ff000000000000ull) >> 32) | \ |
Jing Huang | 077424e | 2010-03-19 11:07:36 -0700 | [diff] [blame] | 108 | (((u64)(_x) & (u64)0xff00000000000000ull) >> 32))) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 109 | |
| 110 | #ifndef __BIGENDIAN |
| 111 | #define bfa_os_htons(_x) ((u16)((((_x) & 0xff00) >> 8) | \ |
| 112 | (((_x) & 0x00ff) << 8))) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 113 | #define bfa_os_htonl(_x) bfa_os_swap32(_x) |
| 114 | #define bfa_os_htonll(_x) bfa_swap_8b(_x) |
| 115 | #define bfa_os_hton3b(_x) bfa_swap_3b(_x) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 116 | #define bfa_os_wtole(_x) (_x) |
Jing Huang | 077424e | 2010-03-19 11:07:36 -0700 | [diff] [blame] | 117 | #define bfa_os_sgaddr(_x) (_x) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 118 | |
| 119 | #else |
| 120 | |
| 121 | #define bfa_os_htons(_x) (_x) |
| 122 | #define bfa_os_htonl(_x) (_x) |
| 123 | #define bfa_os_hton3b(_x) (_x) |
| 124 | #define bfa_os_htonll(_x) (_x) |
| 125 | #define bfa_os_wtole(_x) bfa_os_swap32(_x) |
Jing Huang | 077424e | 2010-03-19 11:07:36 -0700 | [diff] [blame] | 126 | #define bfa_os_sgaddr(_x) bfa_os_swap_sgaddr(_x) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 127 | |
| 128 | #endif |
| 129 | |
| 130 | #define bfa_os_ntohs(_x) bfa_os_htons(_x) |
| 131 | #define bfa_os_ntohl(_x) bfa_os_htonl(_x) |
| 132 | #define bfa_os_ntohll(_x) bfa_os_htonll(_x) |
| 133 | #define bfa_os_ntoh3b(_x) bfa_os_hton3b(_x) |
| 134 | |
| 135 | #define bfa_os_u32(__pa64) ((__pa64) >> 32) |
| 136 | |
| 137 | #define bfa_os_memset memset |
| 138 | #define bfa_os_memcpy memcpy |
| 139 | #define bfa_os_udelay udelay |
| 140 | #define bfa_os_vsprintf vsprintf |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 141 | #define bfa_os_snprintf snprintf |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 142 | |
| 143 | #define bfa_os_assign(__t, __s) __t = __s |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 144 | #define bfa_os_addr_t void __iomem * |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 145 | |
Jing Huang | 8637ac3 | 2010-04-13 12:22:29 -0700 | [diff] [blame] | 146 | #define bfa_os_reg_read(_raddr) readl(_raddr) |
| 147 | #define bfa_os_reg_write(_raddr, _val) writel((_val), (_raddr)) |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 148 | #define bfa_os_mem_read(_raddr, _off) \ |
Jing Huang | 8637ac3 | 2010-04-13 12:22:29 -0700 | [diff] [blame] | 149 | bfa_os_swap32(readl(((_raddr) + (_off)))) |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 150 | #define bfa_os_mem_write(_raddr, _off, _val) \ |
Jing Huang | 8637ac3 | 2010-04-13 12:22:29 -0700 | [diff] [blame] | 151 | writel(bfa_os_swap32((_val)), ((_raddr) + (_off))) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 152 | |
| 153 | #define BFA_TRC_TS(_trcm) \ |
| 154 | ({ \ |
| 155 | struct timeval tv; \ |
| 156 | \ |
| 157 | do_gettimeofday(&tv); \ |
| 158 | (tv.tv_sec*1000000+tv.tv_usec); \ |
| 159 | }) |
| 160 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 161 | #define boolean_t int |
| 162 | |
| 163 | /** |
| 164 | * For current time stamp, OS API will fill-in |
| 165 | */ |
| 166 | struct bfa_timeval_s { |
| 167 | u32 tv_sec; /* seconds */ |
| 168 | u32 tv_usec; /* microseconds */ |
| 169 | }; |
| 170 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame^] | 171 | static inline void |
| 172 | bfa_os_gettimeofday(struct bfa_timeval_s *tv) |
| 173 | { |
| 174 | struct timeval tmp_tv; |
| 175 | |
| 176 | do_gettimeofday(&tmp_tv); |
| 177 | tv->tv_sec = (u32) tmp_tv.tv_sec; |
| 178 | tv->tv_usec = (u32) tmp_tv.tv_usec; |
| 179 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 180 | |
| 181 | static inline void |
| 182 | wwn2str(char *wwn_str, u64 wwn) |
| 183 | { |
| 184 | union { |
| 185 | u64 wwn; |
| 186 | u8 byte[8]; |
| 187 | } w; |
| 188 | |
| 189 | w.wwn = wwn; |
| 190 | sprintf(wwn_str, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", w.byte[0], |
| 191 | w.byte[1], w.byte[2], w.byte[3], w.byte[4], w.byte[5], |
| 192 | w.byte[6], w.byte[7]); |
| 193 | } |
| 194 | |
| 195 | static inline void |
| 196 | fcid2str(char *fcid_str, u32 fcid) |
| 197 | { |
| 198 | union { |
| 199 | u32 fcid; |
| 200 | u8 byte[4]; |
| 201 | } f; |
| 202 | |
| 203 | f.fcid = fcid; |
| 204 | sprintf(fcid_str, "%02x:%02x:%02x", f.byte[1], f.byte[2], f.byte[3]); |
| 205 | } |
| 206 | |
| 207 | #endif /* __BFA_OS_INC_H__ */ |