Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ips/ips.h
Version:
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2002 Adaptec Inc. 5 * All rights reserved. 6 * 7 * Written by: David Jeffery 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 #ifndef _IPS_H 33 #define _IPS_H 34 35 #ifdef _KERNEL 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/module.h> 41 #include <sys/bus.h> 42 #include <sys/conf.h> 43 #include <sys/types.h> 44 #include <sys/queue.h> 45 #include <sys/bio.h> 46 #include <sys/malloc.h> 47 #include <sys/mutex.h> 48 #include <sys/sema.h> 49 #include <sys/time.h> 50 51 #include <machine/bus.h> 52 #include <sys/rman.h> 53 #include <machine/resource.h> 54 55 MALLOC_DECLARE(M_IPSBUF); 56 57 /* 58 * IPS MACROS 59 */ 60 61 #define ips_read_1(sc,offset) bus_read_1(sc->iores, offset) 62 #define ips_read_2(sc,offset) bus_read_2(sc->iores, offset) 63 #define ips_read_4(sc,offset) bus_read_4(sc->iores, offset) 64 65 #define ips_write_1(sc,offset,value) bus_write_1(sc->iores, offset, value) 66 #define ips_write_2(sc,offset,value) bus_write_2(sc->iores, offset, value) 67 #define ips_write_4(sc,offset,value) bus_write_4(sc->iores, offset, value) 68 69 /* this is ugly. It zeros the end elements in an ips_command_t struct starting with the status element */ 70 #define clear_ips_command(command) bzero(&((command)->status), (unsigned long)(&(command)[1])-(unsigned long)&((command)->status)) 71 72 #define ips_read_request(iobuf) ((iobuf)->bio_cmd == BIO_READ) 73 74 #define COMMAND_ERROR(command) (((command)->status.fields.basic_status & IPS_GSC_STATUS_MASK) >= IPS_MIN_ERROR) 75 76 #define ips_set_error(command, error) do { \ 77 (command)->status.fields.basic_status = IPS_DRV_ERROR; \ 78 (command)->status.fields.reserved = ((error) & 0x0f); \ 79 } while (0) 80 81 #ifndef IPS_DEBUG 82 #define DEVICE_PRINTF(x...) 83 #define PRINTF(x...) 84 #else 85 #define DEVICE_PRINTF(level,x...) if(IPS_DEBUG >= level)device_printf(x) 86 #define PRINTF(level,x...) if(IPS_DEBUG >= level)printf(x) 87 #endif 88 89 struct ips_softc; 90 91 typedef struct { 92 u_int32_t status[IPS_MAX_CMD_NUM]; 93 u_int32_t base_phys_addr; 94 int nextstatus; 95 bus_dma_tag_t dmatag; 96 bus_dmamap_t dmamap; 97 } ips_copper_queue_t; 98 99 /* used to keep track of current commands to the card */ 100 typedef struct ips_command{ 101 u_int8_t command_number; 102 u_int8_t id; 103 u_int8_t timeout; 104 struct ips_softc * sc; 105 bus_dma_tag_t data_dmatag; 106 bus_dmamap_t data_dmamap; 107 bus_dmamap_t command_dmamap; 108 void * command_buffer; 109 u_int32_t command_phys_addr;/*WARNING! must be changed if 64bit addressing ever used*/ 110 ips_cmd_status_t status; 111 SLIST_ENTRY(ips_command) next; 112 void * data_buffer; 113 void * arg; 114 void (* callback)(struct ips_command *command); 115 }ips_command_t; 116 117 typedef struct ips_softc{ 118 struct resource * iores; 119 struct resource * irqres; 120 struct intr_config_hook ips_ich; 121 int configured; 122 int state; 123 int iotype; 124 int rid; 125 int irqrid; 126 void * irqcookie; 127 bus_dma_tag_t adapter_dmatag; 128 bus_dma_tag_t command_dmatag; 129 bus_dma_tag_t sg_dmatag; 130 device_t dev; 131 struct cdev *device_file; 132 struct callout timer; 133 u_int16_t adapter_type; 134 ips_adapter_info_t adapter_info; 135 device_t diskdev[IPS_MAX_NUM_DRIVES]; 136 ips_drive_t drives[IPS_MAX_NUM_DRIVES]; 137 u_int8_t drivecount; 138 u_int16_t ffdc_resetcount; 139 struct timeval ffdc_resettime; 140 u_int8_t next_drive; 141 u_int8_t max_cmds; 142 volatile u_int8_t used_commands; 143 ips_command_t *commandarray; 144 ips_command_t *staticcmd; 145 SLIST_HEAD(command_list, ips_command) free_cmd_list; 146 int (* ips_adapter_reinit)(struct ips_softc *sc, 147 int force); 148 void (* ips_adapter_intr)(void *sc); 149 void (* ips_issue_cmd)(ips_command_t *command); 150 void (* ips_poll_cmd)(ips_command_t *command); 151 ips_copper_queue_t * copper_queue; 152 struct mtx queue_mtx; 153 struct bio_queue_head queue; 154 struct sema cmd_sema; 155 156 }ips_softc_t; 157 158 /* function defines from ips_ioctl.c */ 159 extern int ips_ioctl_request(ips_softc_t *sc, u_long ioctl_cmd, caddr_t addr, 160 int32_t flags); 161 /* function defines from ips_disk.c */ 162 extern void ipsd_finish(struct bio *iobuf); 163 164 /* function defines from ips_commands.c */ 165 extern int ips_flush_cache(ips_softc_t *sc); 166 extern void ips_start_io_request(ips_softc_t *sc); 167 extern int ips_get_drive_info(ips_softc_t *sc); 168 extern int ips_get_adapter_info(ips_softc_t *sc); 169 extern int ips_ffdc_reset(ips_softc_t *sc); 170 extern int ips_update_nvram(ips_softc_t *sc); 171 extern int ips_clear_adapter(ips_softc_t *sc); 172 173 /* function defines from ips.c */ 174 extern int ips_get_free_cmd(ips_softc_t *sc, ips_command_t **command, unsigned long flags); 175 extern void ips_insert_free_cmd(ips_softc_t *sc, ips_command_t *command); 176 extern int ips_adapter_init(ips_softc_t *sc); 177 extern int ips_morpheus_reinit(ips_softc_t *sc, int force); 178 extern int ips_adapter_free(ips_softc_t *sc); 179 extern void ips_morpheus_intr(void *sc); 180 extern void ips_issue_morpheus_cmd(ips_command_t *command); 181 extern void ips_morpheus_poll(ips_command_t *command); 182 extern int ips_copperhead_reinit(ips_softc_t *sc, int force); 183 extern void ips_copperhead_intr(void *sc); 184 extern void ips_issue_copperhead_cmd(ips_command_t *command); 185 extern void ips_copperhead_poll(ips_command_t *command); 186 187 #endif 188 #endif
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