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 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 90 { 91 return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4);; 92 }/* PCI space access */ 93 94 void *os_map_pci_bar( 95 void *osext, 96 int index, 97 HPT_U32 offset, 98 HPT_U32 length 99 ) 100 { 101 PHBA hba = (PHBA)osext; 102 HPT_U32 base; 103 104 hba->pcibar[index].rid = 0x10 + index * 4; 105 base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4); 106 107 if (base & 1) { 108 hba->pcibar[index].type = SYS_RES_IOPORT; 109 hba->pcibar[index].res = bus_alloc_resource_any(hba->pcidev, 110 hba->pcibar[index].type, &hba->pcibar[index].rid, RF_ACTIVE); 111 hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1); 112 } else { 113 hba->pcibar[index].type = SYS_RES_MEMORY; 114 hba->pcibar[index].res = bus_alloc_resource_any(hba->pcidev, 115 hba->pcibar[index].type, &hba->pcibar[index].rid, RF_ACTIVE); 116 hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset; 117 } 118 119 return hba->pcibar[index].base; 120 } 121 122 void os_unmap_pci_bar(void *osext, void *base) 123 { 124 PHBA hba = (PHBA)osext; 125 int index; 126 127 for (index=0; index<6; index++) { 128 if (hba->pcibar[index].base==base) { 129 bus_release_resource(hba->pcidev, hba->pcibar[index].type, 130 hba->pcibar[index].rid, hba->pcibar[index].res); 131 hba->pcibar[index].base = 0; 132 return; 133 } 134 } 135 } 136 137 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count) 138 { 139 PVBUS_EXT vbus_ext = osext; 140 141 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 142 vbus_ext = ((PHBA)osext)->vbus_ext; 143 144 list->next = vbus_ext->freelist_head; 145 vbus_ext->freelist_head = list; 146 list->dma = 0; 147 list->size = size; 148 list->head = 0; 149 #if DBG 150 list->reserved_count = 151 #endif 152 list->count = count; 153 } 154 155 void *freelist_get(struct freelist *list) 156 { 157 void * result; 158 if (list->count) { 159 HPT_ASSERT(list->head); 160 result = list->head; 161 list->head = *(void **)result; 162 list->count--; 163 return result; 164 } 165 return 0; 166 } 167 168 void freelist_put(struct freelist * list, void *p) 169 { 170 HPT_ASSERT(list->dma==0); 171 list->count++; 172 *(void **)p = list->head; 173 list->head = p; 174 } 175 176 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count) 177 { 178 PVBUS_EXT vbus_ext = osext; 179 180 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 181 vbus_ext = ((PHBA)osext)->vbus_ext; 182 183 list->next = vbus_ext->freelist_dma_head; 184 vbus_ext->freelist_dma_head = list; 185 list->dma = 1; 186 list->alignment = alignment; 187 list->size = size; 188 list->head = 0; 189 #if DBG 190 list->reserved_count = 191 #endif 192 list->count = count; 193 } 194 195 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr) 196 { 197 void *result; 198 HPT_ASSERT(list->dma); 199 result = freelist_get(list); 200 if (result) 201 *busaddr = *(BUS_ADDRESS *)((void **)result+1); 202 return result; 203 } 204 205 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr) 206 { 207 HPT_ASSERT(list->dma); 208 list->count++; 209 *(void **)p = list->head; 210 *(BUS_ADDRESS *)((void **)p+1) = busaddr; 211 list->head = p; 212 } 213 214 HPT_U32 os_get_stamp(void) 215 { 216 HPT_U32 stamp; 217 do { stamp = random(); } while (stamp==0); 218 return stamp; 219 } 220 221 void os_stallexec(HPT_U32 microseconds) 222 { 223 DELAY(microseconds); 224 } 225 226 static void os_timer_for_ldm(void *arg) 227 { 228 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 229 ldm_on_timer((PVBUS)vbus_ext->vbus); 230 } 231 232 void os_request_timer(void * osext, HPT_U32 interval) 233 { 234 PVBUS_EXT vbus_ext = osext; 235 236 HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS); 237 238 callout_reset_sbt(&vbus_ext->timer, SBT_1US * interval, 0, 239 os_timer_for_ldm, vbus_ext, 0); 240 } 241 242 HPT_TIME os_query_time(void) 243 { 244 return ticks * (1000000 / hz); 245 } 246 247 void os_schedule_task(void *osext, OSM_TASK *task) 248 { 249 PVBUS_EXT vbus_ext = osext; 250 251 HPT_ASSERT(task->next==0); 252 253 if (vbus_ext->tasks==0) 254 vbus_ext->tasks = task; 255 else { 256 OSM_TASK *t = vbus_ext->tasks; 257 while (t->next) t = t->next; 258 t->next = task; 259 } 260 261 if (vbus_ext->worker.ta_context) 262 TASK_ENQUEUE(&vbus_ext->worker); 263 } 264 265 int os_revalidate_device(void *osext, int id) 266 { 267 268 return 0; 269 } 270 271 int os_query_remove_device(void *osext, int id) 272 { 273 return 0; 274 } 275 276 HPT_U8 os_get_vbus_seq(void *osext) 277 { 278 return ((PVBUS_EXT)osext)->sim->path_id; 279 } 280 281 int os_printk(char *fmt, ...) 282 { 283 va_list args; 284 static char buf[512]; 285 286 va_start(args, fmt); 287 vsnprintf(buf, sizeof(buf), fmt, args); 288 va_end(args); 289 return printf("%s: %s\n", driver_name, buf); 290 } 291 292 #if DBG 293 void os_check_stack(const char *location, int size){} 294 295 void __os_dbgbreak(const char *file, int line) 296 { 297 printf("*** break at %s:%d ***", file, line); 298 while (1); 299 } 300 301 int hpt_dbg_level = 1; 302 #endif 303