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: src/sys/dev/hpt27xx/os_bsd.c,v 1.1 2011/12/28 23:26:58 delphij Exp $ 27 */ 28 29 #include <dev/raid/hpt27xx/hpt27xx_config.h> 30 31 #include <dev/raid/hpt27xx/os_bsd.h> 32 33 /* hardware access */ 34 HPT_U8 os_inb (void *port) { return inb((unsigned)(HPT_UPTR)port); } 35 HPT_U16 os_inw (void *port) { return inw((unsigned)(HPT_UPTR)port); } 36 HPT_U32 os_inl (void *port) { return inl((unsigned)(HPT_UPTR)port); } 37 38 void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); } 39 void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); } 40 void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); } 41 42 void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count) 43 { insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); } 44 45 void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count) 46 { outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); } 47 48 HPT_U32 __dummy_reg = 0; 49 50 /* PCI configuration space */ 51 HPT_U8 os_pci_readb (void *osext, HPT_U8 offset) 52 { 53 return pci_read_config(((PHBA)osext)->pcidev, offset, 1); 54 } 55 56 HPT_U16 os_pci_readw (void *osext, HPT_U8 offset) 57 { 58 return pci_read_config(((PHBA)osext)->pcidev, offset, 2); 59 } 60 61 HPT_U32 os_pci_readl (void *osext, HPT_U8 offset) 62 { 63 return pci_read_config(((PHBA)osext)->pcidev, offset, 4); 64 } 65 66 void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value) 67 { 68 pci_write_config(((PHBA)osext)->pcidev, offset, value, 1); 69 } 70 71 void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value) 72 { 73 pci_write_config(((PHBA)osext)->pcidev, offset, value, 2); 74 } 75 76 void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value) 77 { 78 pci_write_config(((PHBA)osext)->pcidev, offset, value, 4); 79 } 80 81 HPT_U8 pcicfg_read_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 82 { 83 return (HPT_U8)pci_cfgregread(bus, dev, func, reg, 1); 84 } 85 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 86 { 87 return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4); 88 } 89 void pcicfg_write_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U8 v) 90 { 91 pci_cfgregwrite(bus, dev, func, reg, v, 1); 92 } 93 void pcicfg_write_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U32 v) 94 { 95 pci_cfgregwrite(bus, dev, func, reg, v, 4); 96 }/* PCI space access */ 97 98 void *os_map_pci_bar( 99 void *osext, 100 int index, 101 HPT_U32 offset, 102 HPT_U32 length 103 ) 104 { 105 PHBA hba = (PHBA)osext; 106 HPT_U32 base; 107 108 hba->pcibar[index].rid = 0x10 + index * 4; 109 base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4); 110 111 if (base & 1) { 112 hba->pcibar[index].type = SYS_RES_IOPORT; 113 hba->pcibar[index].res = bus_alloc_resource(hba->pcidev, 114 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE); 115 hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1); 116 } else { 117 hba->pcibar[index].type = SYS_RES_MEMORY; 118 hba->pcibar[index].res = bus_alloc_resource(hba->pcidev, 119 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE); 120 hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset; 121 } 122 123 return hba->pcibar[index].base; 124 } 125 126 void os_unmap_pci_bar(void *osext, void *base) 127 { 128 PHBA hba = (PHBA)osext; 129 int index; 130 131 for (index=0; index<6; index++) { 132 if (hba->pcibar[index].base==base) { 133 bus_release_resource(hba->pcidev, hba->pcibar[index].type, 134 hba->pcibar[index].rid, hba->pcibar[index].res); 135 hba->pcibar[index].base = 0; 136 return; 137 } 138 } 139 } 140 141 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count) 142 { 143 PVBUS_EXT vbus_ext = osext; 144 145 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 146 vbus_ext = ((PHBA)osext)->vbus_ext; 147 148 list->next = vbus_ext->freelist_head; 149 vbus_ext->freelist_head = list; 150 list->dma = 0; 151 list->size = size; 152 list->head = 0; 153 #if DBG 154 list->reserved_count = 155 #endif 156 list->count = count; 157 } 158 159 void *freelist_get(struct freelist *list) 160 { 161 void * result; 162 if (list->count) { 163 HPT_ASSERT(list->head); 164 result = list->head; 165 list->head = *(void **)result; 166 list->count--; 167 return result; 168 } 169 return 0; 170 } 171 172 void freelist_put(struct freelist * list, void *p) 173 { 174 HPT_ASSERT(list->dma==0); 175 list->count++; 176 *(void **)p = list->head; 177 list->head = p; 178 } 179 180 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count) 181 { 182 PVBUS_EXT vbus_ext = osext; 183 184 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 185 vbus_ext = ((PHBA)osext)->vbus_ext; 186 187 list->next = vbus_ext->freelist_dma_head; 188 vbus_ext->freelist_dma_head = list; 189 list->dma = 1; 190 list->alignment = alignment; 191 list->size = size; 192 list->head = 0; 193 #if DBG 194 list->reserved_count = 195 #endif 196 list->count = count; 197 } 198 199 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr) 200 { 201 void *result; 202 HPT_ASSERT(list->dma); 203 result = freelist_get(list); 204 if (result) 205 *busaddr = *(BUS_ADDRESS *)((void **)result+1); 206 return result; 207 } 208 209 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr) 210 { 211 HPT_ASSERT(list->dma); 212 list->count++; 213 *(void **)p = list->head; 214 *(BUS_ADDRESS *)((void **)p+1) = busaddr; 215 list->head = p; 216 } 217 218 HPT_U32 os_get_stamp(void) 219 { 220 HPT_U32 stamp; 221 do { stamp = krandom(); } while (stamp==0); 222 return stamp; 223 } 224 225 void os_stallexec(HPT_U32 microseconds) 226 { 227 DELAY(microseconds); 228 } 229 230 static void os_timer_for_ldm(void *arg) 231 { 232 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 233 ldm_on_timer((PVBUS)vbus_ext->vbus); 234 } 235 236 void os_request_timer(void * osext, HPT_U32 interval) 237 { 238 PVBUS_EXT vbus_ext = osext; 239 240 HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS); 241 242 callout_stop(&vbus_ext->timer); 243 callout_reset(&vbus_ext->timer, interval * hz / 1000000, os_timer_for_ldm, vbus_ext); 244 } 245 246 HPT_TIME os_query_time(void) 247 { 248 return ticks * (1000000 / hz); 249 } 250 251 void os_schedule_task(void *osext, OSM_TASK *task) 252 { 253 PVBUS_EXT vbus_ext = osext; 254 255 HPT_ASSERT(task->next==0); 256 257 if (vbus_ext->tasks==0) 258 vbus_ext->tasks = task; 259 else { 260 OSM_TASK *t = vbus_ext->tasks; 261 while (t->next) t = t->next; 262 t->next = task; 263 } 264 265 if (vbus_ext->worker.ta_context) 266 TASK_ENQUEUE(&vbus_ext->worker); 267 } 268 269 int os_revalidate_device(void *osext, int id) 270 { 271 272 return 0; 273 } 274 275 int os_query_remove_device(void *osext, int id) 276 { 277 PVBUS_EXT vbus_ext = (PVBUS_EXT)osext; 278 struct cam_periph *periph = NULL; 279 struct cam_path *path; 280 int status,retval = 0; 281 282 status = xpt_create_path(&path, NULL, vbus_ext->sim->path_id, id, 0); 283 if (status == CAM_REQ_CMP) { 284 if((periph = cam_periph_find(path, "da")) != NULL){ 285 if(periph->refcount >= 1) 286 retval = -1; 287 } 288 xpt_free_path(path); 289 } 290 291 return retval; 292 } 293 294 HPT_U8 os_get_vbus_seq(void *osext) 295 { 296 return ((PVBUS_EXT)osext)->sim->path_id; 297 } 298 299 int os_printk(char *fmt, ...) 300 { 301 __va_list args; 302 static char buf[512]; 303 304 __va_start(args, fmt); 305 kvsnprintf(buf, sizeof(buf), fmt, args); 306 __va_end(args); 307 return kprintf("%s: %s\n", driver_name, buf); 308 } 309 310 #if DBG 311 void os_check_stack(const char *location, int size){} 312 313 void __os_dbgbreak(const char *file, int line) 314 { 315 kprintf("*** break at %s:%d ***", file, line); 316 while (1); 317 } 318 319 int hpt_dbg_level = 1; 320 #endif 321