1 /* $Id: os_bsd.c,v 1.13 2010/05/11 03:12:11 lcn Exp $ */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4 * 5 * HighPoint RAID Driver for FreeBSD 6 * Copyright (C) 2005-2011 HighPoint Technologies, Inc. All Rights Reserved. 7 * All rights reserved. 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 33 #include <dev/hptnr/hptnr_config.h> 34 #include <dev/hptnr/os_bsd.h> 35 36 BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr); 37 38 /* hardware access */ 39 HPT_U8 os_inb (void *port) { return inb((unsigned)(HPT_UPTR)port); } 40 HPT_U16 os_inw (void *port) { return inw((unsigned)(HPT_UPTR)port); } 41 HPT_U32 os_inl (void *port) { return inl((unsigned)(HPT_UPTR)port); } 42 43 void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); } 44 void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); } 45 void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); } 46 47 void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count) 48 { insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); } 49 50 void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count) 51 { outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); } 52 53 HPT_U32 __dummy_reg = 0; 54 55 /* PCI configuration space */ 56 HPT_U8 os_pci_readb (void *osext, HPT_U8 offset) 57 { 58 return pci_read_config(((PHBA)osext)->pcidev, offset, 1); 59 } 60 61 HPT_U16 os_pci_readw (void *osext, HPT_U8 offset) 62 { 63 return pci_read_config(((PHBA)osext)->pcidev, offset, 2); 64 } 65 66 HPT_U32 os_pci_readl (void *osext, HPT_U8 offset) 67 { 68 return pci_read_config(((PHBA)osext)->pcidev, offset, 4); 69 } 70 71 void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value) 72 { 73 pci_write_config(((PHBA)osext)->pcidev, offset, value, 1); 74 } 75 76 void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value) 77 { 78 pci_write_config(((PHBA)osext)->pcidev, offset, value, 2); 79 } 80 81 void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value) 82 { 83 pci_write_config(((PHBA)osext)->pcidev, offset, value, 4); 84 } 85 86 BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr) 87 { 88 return (BUS_ADDRESS)vtophys(dmapool_virt_addr); 89 } 90 91 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg) 92 { 93 return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4); 94 }/* PCI space access */ 95 96 void *os_map_pci_bar( 97 void *osext, 98 int index, 99 HPT_U32 offset, 100 HPT_U32 length 101 ) 102 { 103 PHBA hba = (PHBA)osext; 104 HPT_U32 base; 105 106 hba->pcibar[index].rid = 0x10 + index * 4; 107 base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4); 108 109 if (base & 1) { 110 hba->pcibar[index].type = SYS_RES_IOPORT; 111 hba->pcibar[index].res = bus_alloc_resource_any(hba->pcidev, 112 hba->pcibar[index].type, &hba->pcibar[index].rid, RF_ACTIVE); 113 hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1); 114 } else { 115 hba->pcibar[index].type = SYS_RES_MEMORY; 116 hba->pcibar[index].res = bus_alloc_resource_any(hba->pcidev, 117 hba->pcibar[index].type, &hba->pcibar[index].rid, RF_ACTIVE); 118 hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset; 119 } 120 121 return hba->pcibar[index].base; 122 } 123 124 void os_unmap_pci_bar(void *osext, void *base) 125 { 126 PHBA hba = (PHBA)osext; 127 int index; 128 129 for (index=0; index<6; index++) { 130 if (hba->pcibar[index].base==base) { 131 bus_release_resource(hba->pcidev, hba->pcibar[index].type, 132 hba->pcibar[index].rid, hba->pcibar[index].res); 133 hba->pcibar[index].base = 0; 134 return; 135 } 136 } 137 } 138 139 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count) 140 { 141 PVBUS_EXT vbus_ext = osext; 142 143 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 144 vbus_ext = ((PHBA)osext)->vbus_ext; 145 146 list->next = vbus_ext->freelist_head; 147 vbus_ext->freelist_head = list; 148 list->dma = 0; 149 list->size = size; 150 list->head = 0; 151 #if DBG 152 list->reserved_count = 153 #endif 154 list->count = count; 155 } 156 157 void *freelist_get(struct freelist *list) 158 { 159 void * result; 160 if (list->count) { 161 HPT_ASSERT(list->head); 162 result = list->head; 163 list->head = *(void **)result; 164 list->count--; 165 return result; 166 } 167 return 0; 168 } 169 170 void freelist_put(struct freelist * list, void *p) 171 { 172 HPT_ASSERT(list->dma==0); 173 list->count++; 174 *(void **)p = list->head; 175 list->head = p; 176 } 177 178 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count) 179 { 180 PVBUS_EXT vbus_ext = osext; 181 182 if (vbus_ext->ext_type!=EXT_TYPE_VBUS) 183 vbus_ext = ((PHBA)osext)->vbus_ext; 184 185 list->next = vbus_ext->freelist_dma_head; 186 vbus_ext->freelist_dma_head = list; 187 list->dma = 1; 188 list->alignment = alignment; 189 list->size = size; 190 list->head = 0; 191 #if DBG 192 list->reserved_count = 193 #endif 194 list->count = count; 195 } 196 197 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr) 198 { 199 void *result; 200 HPT_ASSERT(list->dma); 201 result = freelist_get(list); 202 if (result) 203 *busaddr = *(BUS_ADDRESS *)((void **)result+1); 204 return result; 205 } 206 207 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr) 208 { 209 HPT_ASSERT(list->dma); 210 list->count++; 211 *(void **)p = list->head; 212 *(BUS_ADDRESS *)((void **)p+1) = busaddr; 213 list->head = p; 214 } 215 216 HPT_U32 os_get_stamp(void) 217 { 218 HPT_U32 stamp; 219 do { stamp = random(); } while (stamp==0); 220 return stamp; 221 } 222 223 void os_stallexec(HPT_U32 microseconds) 224 { 225 DELAY(microseconds); 226 } 227 228 static void os_timer_for_ldm(void *arg) 229 { 230 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 231 ldm_on_timer((PVBUS)vbus_ext->vbus); 232 } 233 234 void os_request_timer(void * osext, HPT_U32 interval) 235 { 236 PVBUS_EXT vbus_ext = osext; 237 238 HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS); 239 240 callout_reset_sbt(&vbus_ext->timer, SBT_1US * interval, 0, 241 os_timer_for_ldm, vbus_ext, 0); 242 } 243 244 HPT_TIME os_query_time(void) 245 { 246 return ticks * (1000000 / hz); 247 } 248 249 void os_schedule_task(void *osext, OSM_TASK *task) 250 { 251 PVBUS_EXT vbus_ext = osext; 252 253 HPT_ASSERT(task->next==0); 254 255 if (vbus_ext->tasks==0) 256 vbus_ext->tasks = task; 257 else { 258 OSM_TASK *t = vbus_ext->tasks; 259 while (t->next) t = t->next; 260 t->next = task; 261 } 262 263 if (vbus_ext->worker.ta_context) 264 TASK_ENQUEUE(&vbus_ext->worker); 265 } 266 267 int os_revalidate_device(void *osext, int id) 268 { 269 270 return 0; 271 } 272 273 int os_query_remove_device(void *osext, int id) 274 { 275 return 0; 276 } 277 278 HPT_U8 os_get_vbus_seq(void *osext) 279 { 280 return ((PVBUS_EXT)osext)->sim->path_id; 281 } 282 283 int os_printk(char *fmt, ...) 284 { 285 va_list args; 286 static char buf[512]; 287 288 va_start(args, fmt); 289 vsnprintf(buf, sizeof(buf), fmt, args); 290 va_end(args); 291 return printf("%s: %s\n", driver_name, buf); 292 } 293 294 #if DBG 295 void os_check_stack(const char *location, int size){} 296 297 void __os_dbgbreak(const char *file, int line) 298 { 299 printf("*** break at %s:%d ***", file, line); 300 while (1); 301 } 302 303 int hpt_dbg_level = 1; 304 #endif 305