xref: /freebsd/sys/dev/hptrr/hptrr_os_bsd.c (revision a0ee8cc636cd5c2374ec44ca71226564ea0bca95)
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 	callout_reset_sbt(&vbus_ext->timer, SBT_1US * interval, 0,
225 	    os_timer_for_ldm, vbus_ext, 0);
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 	return 0;
260 }
261 
262 HPT_U8 os_get_vbus_seq(void *osext)
263 {
264     return ((PVBUS_EXT)osext)->sim->path_id;
265 }
266 
267 int  os_printk(char *fmt, ...)
268 {
269     va_list args;
270     static char buf[512];
271 
272     va_start(args, fmt);
273     vsnprintf(buf, sizeof(buf), fmt, args);
274     va_end(args);
275     return printf("%s: %s\n", driver_name, buf);
276 }
277 
278 #if DBG
279 void os_check_stack(const char *location, int size){}
280 
281 void __os_dbgbreak(const char *file, int line)
282 {
283     printf("*** break at %s:%d ***", file, line);
284     while (1);
285 }
286 
287 int hptrr_dbg_level = 1;
288 #endif
289