1 /*- 2 * Copyright (c) 2011 HighPoint Technologies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <dev/hpt27xx/hpt27xx_config.h> 30 31 #ifndef _OS_BSD_H 32 #define _OS_BSD_H 33 34 #ifndef DBG 35 #define DBG 0 36 #endif 37 38 #include <sys/param.h> 39 #include <sys/types.h> 40 #include <sys/cons.h> 41 #if (__FreeBSD_version >= 500000) 42 #include <sys/time.h> 43 #include <sys/systm.h> 44 #else 45 #include <machine/clock.h> /*to support DELAY function under 4.x BSD versions*/ 46 #endif 47 48 #include <sys/stat.h> 49 #include <sys/malloc.h> 50 #include <sys/conf.h> 51 #include <sys/libkern.h> 52 #include <sys/kernel.h> 53 54 #if (__FreeBSD_version >= 500000) 55 #include <sys/kthread.h> 56 #include <sys/mutex.h> 57 #include <sys/module.h> 58 #endif 59 60 #include <sys/eventhandler.h> 61 #include <sys/bus.h> 62 #include <sys/taskqueue.h> 63 #include <sys/ioccom.h> 64 65 #include <machine/resource.h> 66 #if __FreeBSD_version >= 500043 67 #include <machine/pci_cfgreg.h> 68 #endif 69 #include <machine/bus.h> 70 #include <machine/stdarg.h> 71 #include <sys/rman.h> 72 73 #include <vm/vm.h> 74 #include <vm/pmap.h> 75 76 #if (__FreeBSD_version >= 500000) 77 #include <dev/pci/pcireg.h> 78 #include <dev/pci/pcivar.h> 79 #else 80 #include <pci/pcivar.h> 81 #include <pci/pcireg.h> 82 #endif 83 84 #if (__FreeBSD_version <= 500043) 85 #include <sys/devicestat.h> 86 #endif 87 88 #include <cam/cam.h> 89 #include <cam/cam_ccb.h> 90 #include <cam/cam_sim.h> 91 #include <cam/cam_xpt_sim.h> 92 #include <cam/cam_debug.h> 93 #include <cam/cam_xpt_periph.h> 94 #include <cam/cam_periph.h> 95 #include <cam/scsi/scsi_all.h> 96 #include <cam/scsi/scsi_message.h> 97 98 #if (__FreeBSD_version < 500043) 99 #include <sys/bus_private.h> 100 #endif 101 102 103 typedef struct _INQUIRYDATA { 104 u_char DeviceType : 5; 105 u_char DeviceTypeQualifier : 3; 106 u_char DeviceTypeModifier : 7; 107 u_char RemovableMedia : 1; 108 u_char Versions; 109 u_char ResponseDataFormat; 110 u_char AdditionalLength; 111 u_char Reserved[2]; 112 u_char SoftReset : 1; 113 u_char CommandQueue : 1; 114 u_char Reserved2 : 1; 115 u_char LinkedCommands : 1; 116 u_char Synchronous : 1; 117 u_char Wide16Bit : 1; 118 u_char Wide32Bit : 1; 119 u_char RelativeAddressing : 1; 120 u_char VendorId[8]; 121 u_char ProductId[16]; 122 u_char ProductRevisionLevel[4]; 123 u_char VendorSpecific[20]; 124 u_char Reserved3[40]; 125 } 126 __attribute__((packed)) 127 INQUIRYDATA, *PINQUIRYDATA; 128 129 #endif 130 131 /* private headers */ 132 133 #include <dev/hpt27xx/osm.h> 134 #include <dev/hpt27xx/him.h> 135 #include <dev/hpt27xx/ldm.h> 136 137 /* driver parameters */ 138 extern const char driver_name[]; 139 extern const char driver_name_long[]; 140 extern const char driver_ver[]; 141 extern int osm_max_targets; 142 143 /* 144 * adapter/vbus extensions: 145 * each physical controller has an adapter_ext, passed to him.create_adapter() 146 * each vbus has a vbus_ext passed to ldm_create_vbus(). 147 */ 148 #define EXT_TYPE_HBA 1 149 #define EXT_TYPE_VBUS 2 150 151 typedef struct _hba { 152 int ext_type; 153 LDM_ADAPTER ldm_adapter; 154 device_t pcidev; 155 PCI_ADDRESS pciaddr; 156 struct _vbus_ext *vbus_ext; 157 struct _hba *next; 158 159 struct { 160 struct resource *res; 161 int type; 162 int rid; 163 void *base; 164 } 165 pcibar[6]; 166 167 struct resource *irq_res; 168 void *irq_handle; 169 } 170 HBA, *PHBA; 171 172 typedef struct _os_cmdext { 173 struct _vbus_ext *vbus_ext; 174 struct _os_cmdext *next; 175 union ccb *ccb; 176 bus_dmamap_t dma_map; 177 SG psg[os_max_sg_descriptors]; 178 } 179 OS_CMDEXT, *POS_CMDEXT; 180 181 typedef struct _vbus_ext { 182 int ext_type; 183 struct _vbus_ext *next; 184 PHBA hba_list; 185 struct freelist *freelist_head; 186 struct freelist *freelist_dma_head; 187 188 struct cam_sim *sim; /* sim for this vbus */ 189 struct cam_path *path; /* peripheral, path, tgt, lun with this vbus */ 190 #if (__FreeBSD_version >= 500000) 191 struct mtx lock; /* general purpose lock */ 192 #else 193 int hpt_splx; 194 #endif 195 bus_dma_tag_t io_dmat; /* I/O buffer DMA tag */ 196 197 POS_CMDEXT cmdext_list; 198 199 OSM_TASK *tasks; 200 struct task worker; 201 202 struct callout_handle timer; 203 204 eventhandler_tag shutdown_eh; 205 206 /* the LDM vbus instance continues */ 207 unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long)))); 208 } 209 VBUS_EXT, *PVBUS_EXT; 210 211 #if __FreeBSD_version >= 500000 212 #define hpt_lock_vbus(vbus_ext) mtx_lock(&(vbus_ext)->lock) 213 #define hpt_unlock_vbus(vbus_ext) mtx_unlock(&(vbus_ext)->lock) 214 #else 215 static __inline void hpt_lock_vbus(PVBUS_EXT vbus_ext) 216 { 217 vbus_ext->hpt_splx = splcam(); 218 } 219 static __inline void hpt_unlock_vbus(PVBUS_EXT vbus_ext) 220 { 221 splx(vbus_ext->hpt_splx); 222 } 223 #endif 224 225 226 #define HPT_OSM_TIMEOUT (20*hz) /* timeout value for OS commands */ 227 228 #define HPT_DO_IOCONTROL _IOW('H', 0, HPT_IOCTL_PARAM) 229 230 #define HPT_SCAN_BUS _IO('H', 1) 231 232 #if __FreeBSD_version >= 501000 233 #define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi_giant,(task)); 234 #else 235 #define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi,(task)); 236 #endif 237 238 #if __FreeBSD_version >= 500000 239 static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo) 240 { 241 return msleep(ident, &vbus_ext->lock, priority, wmesg, timo); 242 } 243 #else 244 static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo) 245 { 246 int retval = 0; 247 248 asleep(ident, priority, wmesg, timo); 249 hpt_unlock_vbus(vbus_ext); 250 retval = await(priority, timo); 251 hpt_lock_vbus(vbus_ext); 252 253 return retval; 254 } 255 #endif 256 257 #if __FreeBSD_version < 501000 258 #define READ_16 0x88 259 #define WRITE_16 0x8a 260 #define SERVICE_ACTION_IN 0x9e 261 #endif 262 263 #define HPT_DEV_MAJOR 200 264