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
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