1 /*
2 * Copyright (c) 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 #include <dev/hptrr/hptrr_config.h>
29 /* $Id: os_bsd.c,v 1.11 2005/06/03 14:06:38 kdh Exp $
30 *
31 * HighPoint RAID Driver for FreeBSD
32 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
33 */
34
35 #include <dev/hptrr/os_bsd.h>
36
37 /* hardware access */
38 HPT_U8 os_inb (void *port) { return inb((unsigned)(HPT_UPTR)port); }
39 HPT_U16 os_inw (void *port) { return inw((unsigned)(HPT_UPTR)port); }
40 HPT_U32 os_inl (void *port) { return inl((unsigned)(HPT_UPTR)port); }
41
42 void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); }
43 void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); }
44 void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); }
45
46 void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count)
47 { insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
48
49 void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count)
50 { outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
51
52 HPT_U32 __dummy_reg = 0;
53
54 /* PCI configuration space */
55 HPT_U8 os_pci_readb (void *osext, HPT_U8 offset)
56 {
57 return pci_read_config(((PHBA)osext)->pcidev, offset, 1);
58 }
59
60 HPT_U16 os_pci_readw (void *osext, HPT_U8 offset)
61 {
62 return pci_read_config(((PHBA)osext)->pcidev, offset, 2);
63 }
64
65 HPT_U32 os_pci_readl (void *osext, HPT_U8 offset)
66 {
67 return pci_read_config(((PHBA)osext)->pcidev, offset, 4);
68 }
69
70 void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value)
71 {
72 pci_write_config(((PHBA)osext)->pcidev, offset, value, 1);
73 }
74
75 void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value)
76 {
77 pci_write_config(((PHBA)osext)->pcidev, offset, value, 2);
78 }
79
80 void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value)
81 {
82 pci_write_config(((PHBA)osext)->pcidev, offset, value, 4);
83 }
84
85 void *os_map_pci_bar(
86 void *osext,
87 int index,
88 HPT_U32 offset,
89 HPT_U32 length
90 )
91 {
92 PHBA hba = (PHBA)osext;
93
94 hba->pcibar[index].rid = 0x10 + index * 4;
95
96 if (pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4) & 1)
97 hba->pcibar[index].type = SYS_RES_IOPORT;
98 else
99 hba->pcibar[index].type = SYS_RES_MEMORY;
100
101 hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
102 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
103
104 hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset;
105 return hba->pcibar[index].base;
106 }
107
108 void os_unmap_pci_bar(void *osext, void *base)
109 {
110 PHBA hba = (PHBA)osext;
111 int index;
112
113 for (index=0; index<6; index++) {
114 if (hba->pcibar[index].base==base) {
115 bus_release_resource(hba->pcidev, hba->pcibar[index].type,
116 hba->pcibar[index].rid, hba->pcibar[index].res);
117 hba->pcibar[index].base = 0;
118 return;
119 }
120 }
121 }
122
123 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count)
124 {
125 PVBUS_EXT vbus_ext = osext;
126
127 if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
128 vbus_ext = ((PHBA)osext)->vbus_ext;
129
130 list->next = vbus_ext->freelist_head;
131 vbus_ext->freelist_head = list;
132 list->dma = 0;
133 list->size = size;
134 list->head = 0;
135 #if DBG
136 list->reserved_count =
137 #endif
138 list->count = count;
139 }
140
141 void *freelist_get(struct freelist *list)
142 {
143 void * result;
144 if (list->count) {
145 HPT_ASSERT(list->head);
146 result = list->head;
147 list->head = *(void **)result;
148 list->count--;
149 return result;
150 }
151 return 0;
152 }
153
154 void freelist_put(struct freelist * list, void *p)
155 {
156 HPT_ASSERT(list->dma==0);
157 list->count++;
158 *(void **)p = list->head;
159 list->head = p;
160 }
161
162 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count)
163 {
164 PVBUS_EXT vbus_ext = osext;
165
166 if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
167 vbus_ext = ((PHBA)osext)->vbus_ext;
168
169 list->next = vbus_ext->freelist_dma_head;
170 vbus_ext->freelist_dma_head = list;
171 list->dma = 1;
172 list->alignment = alignment;
173 list->size = size;
174 list->head = 0;
175 #if DBG
176 list->reserved_count =
177 #endif
178 list->count = count;
179 }
180
181 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr)
182 {
183 void *result;
184 HPT_ASSERT(list->dma);
185 result = freelist_get(list);
186 if (result)
187 *busaddr = *(BUS_ADDRESS *)((void **)result+1);
188 return result;
189 }
190
191 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr)
192 {
193 HPT_ASSERT(list->dma);
194 list->count++;
195 *(void **)p = list->head;
196 *(BUS_ADDRESS *)((void **)p+1) = busaddr;
197 list->head = p;
198 }
199
200 HPT_U32 os_get_stamp(void)
201 {
202 HPT_U32 stamp;
203 do { stamp = random(); } while (stamp==0);
204 return stamp;
205 }
206
207 void os_stallexec(HPT_U32 microseconds)
208 {
209 DELAY(microseconds);
210 }
211
212 static void os_timer_for_ldm(void *arg)
213 {
214 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
215 ldm_on_timer((PVBUS)vbus_ext->vbus);
216 }
217
218 void os_request_timer(void * osext, HPT_U32 interval)
219 {
220 PVBUS_EXT vbus_ext = osext;
221
222 HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS);
223
224 untimeout(os_timer_for_ldm, vbus_ext, vbus_ext->timer);
225 vbus_ext->timer = timeout(os_timer_for_ldm, vbus_ext, interval * hz / 1000000);
226 }
227
228 HPT_TIME os_query_time(void)
229 {
230 return ticks * (1000000 / hz);
231 }
232
233 void os_schedule_task(void *osext, OSM_TASK *task)
234 {
235 PVBUS_EXT vbus_ext = osext;
236
237 HPT_ASSERT(task->next==0);
238
239 if (vbus_ext->tasks==0)
240 vbus_ext->tasks = task;
241 else {
242 OSM_TASK *t = vbus_ext->tasks;
243 while (t->next) t = t->next;
244 t->next = task;
245 }
246
247 if (vbus_ext->worker.ta_context)
248 TASK_ENQUEUE(&vbus_ext->worker);
249 }
250
251 int os_revalidate_device(void *osext, int id)
252 {
253
254 return 0;
255 }
256
257 int os_query_remove_device(void *osext, int id)
258 {
259 PVBUS_EXT vbus_ext = (PVBUS_EXT)osext;
260 struct cam_periph *periph = NULL;
261 struct cam_path *path;
262 int status,retval = 0;
263
264 status = xpt_create_path(&path, NULL, vbus_ext->sim->path_id, id, 0);
265 if (status == CAM_REQ_CMP) {
266 if((periph = cam_periph_find(path, "da")) != NULL){
267 if(periph->refcount >= 1)
268 retval = -1;
269 }
270 xpt_free_path(path);
271 }
272
273 return retval;
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 hptrr_dbg_level = 1;
302 #endif
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