1 /* $Id: os_bsd.c,v 1.13 2010/05/11 03:12:11 lcn Exp $ */ 2 /*- 3 * HighPoint RAID Driver for FreeBSD 4 * Copyright (C) 2005-2011 HighPoint Technologies, Inc. All Rights Reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #include <dev/hptnr/hptnr_config.h> 32 #include <dev/hptnr/os_bsd.h> 33 34 BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr); 35 36 /* hardware access */ 37 HPT_U8 os_inb (void *port) { return inb((unsigned)(HPT_UPTR)port); } 38 HPT_U16 os_inw (void *port) { return inw((unsigned)(HPT_UPTR)port); } 39 HPT_U32 os_inl (void *port) { return inl((unsigned)(HPT_UPTR)port); } 40 41 void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); } 42 void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); } 43 void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); } 44 45 void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count) 46 { insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); } 47 48 void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count) 49 { outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); } 50 51 HPT_U32 __dummy_reg = 0; 52 53 /* PCI configuration space */ 54 HPT_U8 os_pci_readb (void *osext, HPT_U8 offset) 55 { 56 return pci_read_config(((PHBA)osext)->pcidev, offset, 1); 57 } 58 59 HPT_U16 os_pci_readw (void *osext, HPT_U8 offset) 60 { 61 return pci_read_config(((PHBA)osext)->pcidev, offset, 2); 62 } 63 64 HPT_U32 os_pci_readl (void *osext, HPT_U8 offset) 65 { 66 return pci_read_config(((PHBA)osext)->pcidev, offset, 4); 67 } 68 69 void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value) 70 { 71 pci_write_config(((PHBA)osext)->pcidev, offset, value, 1); 72 } 73 74 void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value) 75 { 76 pci_write_config(((PHBA)osext)->pcidev, offset, value, 2); 77 } 78 79 void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value) 80 { 81 pci_write_config(((PHBA)osext)->pcidev, offset, value, 4); 82 } 83 84 BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr) 85 { 86 return (BUS_ADDRESS)vtophys(dmapool_virt_addr); 87 } 88 89 #if __FreeBSD_version < 500043 90 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 91 { 92 HPT_U32 v; 93 pcicfgregs pciref; 94 95 pciref.bus = bus; 96 pciref.slot = dev; 97 pciref.func = func; 98 99 v = pci_cfgread(&pciref, reg, 4); 100 return v; 101 }/* PCI space access */ 102 #else 103 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 104 { 105 return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4);; 106 }/* PCI space access */ 107 #endif 108 109 void *os_map_pci_bar( 110 void *osext, 111 int index, 112 HPT_U32 offset, 113 HPT_U32 length 114 ) 115 { 116 PHBA hba = (PHBA)osext; 117 HPT_U32 base; 118 119 hba->pcibar[index].rid = 0x10 + index * 4; 120 base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4); 121 122 if (base & 1) { 123 hba->pcibar[index].type = SYS_RES_IOPORT; 124 hba->pcibar[index].res = bus_alloc_resource(hba->pcidev, 125 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE); 126 hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1); 127 } else { 128 hba->pcibar[index].type = SYS_RES_MEMORY; 129 hba->pcibar[index].res = bus_alloc_resource(hba->pcidev, 130 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE); 131 hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset; 132 } 133 134 return hba->pcibar[index].base; 135 } 136 137 void os_unmap_pci_bar(void *osext, void *base) 138 { 139 PHBA hba = (PHBA)osext; 140 int index; 141 142 for (index=0; index<6; index++) { 143 if (hba->pcibar[index].base==base) { 144 bus_release_resource(hba->pcidev, hba->pcibar[index].type, 145 hba->pcibar[index].rid, hba->pcibar[index].res); 146 hba->pcibar[index].base = 0; 147 return; 148 } 149 } 150 } 151 152 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count) 153 { 154 PVBUS_EXT vbus_ext = osext; 155 156 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 157 vbus_ext = ((PHBA)osext)->vbus_ext; 158 159 list->next = vbus_ext->freelist_head; 160 vbus_ext->freelist_head = list; 161 list->dma = 0; 162 list->size = size; 163 list->head = 0; 164 #if DBG 165 list->reserved_count = 166 #endif 167 list->count = count; 168 } 169 170 void *freelist_get(struct freelist *list) 171 { 172 void * result; 173 if (list->count) { 174 HPT_ASSERT(list->head); 175 result = list->head; 176 list->head = *(void **)result; 177 list->count--; 178 return result; 179 } 180 return 0; 181 } 182 183 void freelist_put(struct freelist * list, void *p) 184 { 185 HPT_ASSERT(list->dma==0); 186 list->count++; 187 *(void **)p = list->head; 188 list->head = p; 189 } 190 191 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count) 192 { 193 PVBUS_EXT vbus_ext = osext; 194 195 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 196 vbus_ext = ((PHBA)osext)->vbus_ext; 197 198 list->next = vbus_ext->freelist_dma_head; 199 vbus_ext->freelist_dma_head = list; 200 list->dma = 1; 201 list->alignment = alignment; 202 list->size = size; 203 list->head = 0; 204 #if DBG 205 list->reserved_count = 206 #endif 207 list->count = count; 208 } 209 210 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr) 211 { 212 void *result; 213 HPT_ASSERT(list->dma); 214 result = freelist_get(list); 215 if (result) 216 *busaddr = *(BUS_ADDRESS *)((void **)result+1); 217 return result; 218 } 219 220 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr) 221 { 222 HPT_ASSERT(list->dma); 223 list->count++; 224 *(void **)p = list->head; 225 *(BUS_ADDRESS *)((void **)p+1) = busaddr; 226 list->head = p; 227 } 228 229 HPT_U32 os_get_stamp(void) 230 { 231 HPT_U32 stamp; 232 do { stamp = random(); } while (stamp==0); 233 return stamp; 234 } 235 236 void os_stallexec(HPT_U32 microseconds) 237 { 238 DELAY(microseconds); 239 } 240 241 static void os_timer_for_ldm(void *arg) 242 { 243 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 244 ldm_on_timer((PVBUS)vbus_ext->vbus); 245 } 246 247 void os_request_timer(void * osext, HPT_U32 interval) 248 { 249 PVBUS_EXT vbus_ext = osext; 250 251 HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS); 252 253 untimeout(os_timer_for_ldm, vbus_ext, vbus_ext->timer); 254 vbus_ext->timer = timeout(os_timer_for_ldm, vbus_ext, interval * hz / 1000000); 255 } 256 257 HPT_TIME os_query_time(void) 258 { 259 return ticks * (1000000 / hz); 260 } 261 262 void os_schedule_task(void *osext, OSM_TASK *task) 263 { 264 PVBUS_EXT vbus_ext = osext; 265 266 HPT_ASSERT(task->next==0); 267 268 if (vbus_ext->tasks==0) 269 vbus_ext->tasks = task; 270 else { 271 OSM_TASK *t = vbus_ext->tasks; 272 while (t->next) t = t->next; 273 t->next = task; 274 } 275 276 if (vbus_ext->worker.ta_context) 277 TASK_ENQUEUE(&vbus_ext->worker); 278 } 279 280 int os_revalidate_device(void *osext, int id) 281 { 282 283 return 0; 284 } 285 286 int os_query_remove_device(void *osext, int id) 287 { 288 PVBUS_EXT vbus_ext = (PVBUS_EXT)osext; 289 struct cam_periph *periph = NULL; 290 struct cam_path *path; 291 int status,retval = 0; 292 293 status = xpt_create_path(&path, NULL, vbus_ext->sim->path_id, id, 0); 294 if (status == CAM_REQ_CMP) { 295 if((periph = cam_periph_find(path, "da")) != NULL){ 296 if(periph->refcount >= 1) 297 retval = -1; 298 } 299 xpt_free_path(path); 300 } 301 302 return retval; 303 } 304 305 HPT_U8 os_get_vbus_seq(void *osext) 306 { 307 return ((PVBUS_EXT)osext)->sim->path_id; 308 } 309 310 int os_printk(char *fmt, ...) 311 { 312 va_list args; 313 static char buf[512]; 314 315 va_start(args, fmt); 316 vsnprintf(buf, sizeof(buf), fmt, args); 317 va_end(args); 318 return printf("%s: %s\n", driver_name, buf); 319 } 320 321 #if DBG 322 void os_check_stack(const char *location, int size){} 323 324 void __os_dbgbreak(const char *file, int line) 325 { 326 printf("*** break at %s:%d ***", file, line); 327 while (1); 328 } 329 330 int hpt_dbg_level = 1; 331 #endif 332