xref: /freebsd/sys/dev/hpt27xx/hpt27xx_os_bsd.c (revision aa24f48b361effe51163877d84f1b70d32b77e04)
1 /*-
2  * HighPoint RAID Driver for FreeBSD
3  *
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/hpt27xx/hpt27xx_config.h>
32 
33 #include <dev/hpt27xx/os_bsd.h>
34 
35 BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr);
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 BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr)
86 {
87 	return (BUS_ADDRESS)vtophys(dmapool_virt_addr);
88 }
89 
90 /* PCI space access */
91 HPT_U8 pcicfg_read_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
92 {
93 	return (HPT_U8)pci_cfgregread(bus, dev, func, reg, 1);
94 }
95 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
96 {
97 	return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4);
98 }
99 void pcicfg_write_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U8 v)
100 {
101 	pci_cfgregwrite(bus, dev, func, reg, v, 1);
102 }
103 void pcicfg_write_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U32 v)
104 {
105 	pci_cfgregwrite(bus, dev, func, reg, v, 4);
106 }/* PCI space access */
107 
108 void *os_map_pci_bar(
109     void *osext,
110     int index,
111     HPT_U32 offset,
112     HPT_U32 length
113 )
114 {
115 	PHBA hba = (PHBA)osext;
116 	HPT_U32 base;
117 
118 	hba->pcibar[index].rid = 0x10 + index * 4;
119 	base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4);
120 
121 	if (base & 1) {
122 		hba->pcibar[index].type = SYS_RES_IOPORT;
123 		hba->pcibar[index].res = bus_alloc_resource_any(hba->pcidev,
124 			hba->pcibar[index].type, &hba->pcibar[index].rid, RF_ACTIVE);
125 		hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1);
126 	} else {
127 		hba->pcibar[index].type = SYS_RES_MEMORY;
128 		hba->pcibar[index].res = bus_alloc_resource_any(hba->pcidev,
129 			hba->pcibar[index].type, &hba->pcibar[index].rid, RF_ACTIVE);
130 		hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset;
131 	}
132 
133 	return hba->pcibar[index].base;
134 }
135 
136 void os_unmap_pci_bar(void *osext, void *base)
137 {
138 	PHBA hba = (PHBA)osext;
139 	int index;
140 
141 	for (index=0; index<6; index++) {
142 		if (hba->pcibar[index].base==base) {
143 			bus_release_resource(hba->pcidev, hba->pcibar[index].type,
144 				hba->pcibar[index].rid, hba->pcibar[index].res);
145 			hba->pcibar[index].base = 0;
146 			return;
147 		}
148 	}
149 }
150 
151 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count)
152 {
153     PVBUS_EXT vbus_ext = osext;
154 
155     if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
156         vbus_ext = ((PHBA)osext)->vbus_ext;
157 
158     list->next = vbus_ext->freelist_head;
159     vbus_ext->freelist_head = list;
160     list->dma = 0;
161     list->size = size;
162     list->head = 0;
163 #if DBG
164     list->reserved_count =
165 #endif
166     list->count = count;
167 }
168 
169 void *freelist_get(struct freelist *list)
170 {
171     void * result;
172     if (list->count) {
173         HPT_ASSERT(list->head);
174         result = list->head;
175         list->head = *(void **)result;
176         list->count--;
177         return result;
178     }
179     return 0;
180 }
181 
182 void freelist_put(struct freelist * list, void *p)
183 {
184     HPT_ASSERT(list->dma==0);
185     list->count++;
186     *(void **)p = list->head;
187     list->head = p;
188 }
189 
190 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count)
191 {
192     PVBUS_EXT vbus_ext = osext;
193 
194     if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
195         vbus_ext = ((PHBA)osext)->vbus_ext;
196 
197     list->next = vbus_ext->freelist_dma_head;
198     vbus_ext->freelist_dma_head = list;
199     list->dma = 1;
200     list->alignment = alignment;
201     list->size = size;
202     list->head = 0;
203 #if DBG
204     list->reserved_count =
205 #endif
206     list->count = count;
207 }
208 
209 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr)
210 {
211     void *result;
212     HPT_ASSERT(list->dma);
213     result = freelist_get(list);
214     if (result)
215         *busaddr = *(BUS_ADDRESS *)((void **)result+1);
216     return result;
217 }
218 
219 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr)
220 {
221     HPT_ASSERT(list->dma);
222     list->count++;
223     *(void **)p = list->head;
224     *(BUS_ADDRESS *)((void **)p+1) = busaddr;
225     list->head = p;
226 }
227 
228 HPT_U32 os_get_stamp(void)
229 {
230     HPT_U32 stamp;
231     do { stamp = random(); } while (stamp==0);
232     return stamp;
233 }
234 
235 void os_stallexec(HPT_U32 microseconds)
236 {
237     DELAY(microseconds);
238 }
239 
240 static void os_timer_for_ldm(void *arg)
241 {
242 	PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
243 	ldm_on_timer((PVBUS)vbus_ext->vbus);
244 }
245 
246 void  os_request_timer(void * osext, HPT_U32 interval)
247 {
248 	PVBUS_EXT vbus_ext = osext;
249 
250 	HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS);
251 
252 #if (__FreeBSD_version >= 1000510)
253 	callout_reset_sbt(&vbus_ext->timer, SBT_1US * interval, 0,
254 	    os_timer_for_ldm, vbus_ext, 0);
255 #else
256 	untimeout(os_timer_for_ldm, vbus_ext, vbus_ext->timer);
257 	vbus_ext->timer = timeout(os_timer_for_ldm, vbus_ext, interval * hz / 1000000);
258 #endif
259 }
260 
261 HPT_TIME os_query_time(void)
262 {
263 	return ticks * (1000000 / hz);
264 }
265 
266 void os_schedule_task(void *osext, OSM_TASK *task)
267 {
268 	PVBUS_EXT vbus_ext = osext;
269 
270 	HPT_ASSERT(task->next==0);
271 
272 	if (vbus_ext->tasks==0)
273 		vbus_ext->tasks = task;
274 	else {
275 		OSM_TASK *t = vbus_ext->tasks;
276 		while (t->next) t = t->next;
277 		t->next = task;
278 	}
279 
280 	if (vbus_ext->worker.ta_context)
281 		TASK_ENQUEUE(&vbus_ext->worker);
282 }
283 
284 int os_revalidate_device(void *osext, int id)
285 {
286 
287     return 0;
288 }
289 
290 int os_query_remove_device(void *osext, int id)
291 {
292 	return 0;
293 }
294 
295 HPT_U8 os_get_vbus_seq(void *osext)
296 {
297     return ((PVBUS_EXT)osext)->sim->path_id;
298 }
299 
300 int  os_printk(char *fmt, ...)
301 {
302     va_list args;
303     static char buf[512];
304 
305     va_start(args, fmt);
306     vsnprintf(buf, sizeof(buf), fmt, args);
307     va_end(args);
308     return printf("%s: %s\n", driver_name, buf);
309 }
310 
311 #if DBG
312 void os_check_stack(const char *location, int size){}
313 
314 void __os_dbgbreak(const char *file, int line)
315 {
316     printf("*** break at %s:%d ***", file, line);
317     while (1);
318 }
319 
320 int hpt_dbg_level = 1;
321 #endif
322