xref: /freebsd/sys/dev/hpt27xx/hpt27xx_os_bsd.c (revision 8881d206f4e68b564c2c5f50fc717086fc3e827a)
1 /*-
2  * HighPoint RAID Driver for FreeBSD
3  *
4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5  *
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/hpt27xx/hpt27xx_config.h>
34 
35 #include <dev/hpt27xx/os_bsd.h>
36 
37 BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr);
38 
39 /* hardware access */
40 HPT_U8   os_inb  (void *port) { return inb((unsigned)(HPT_UPTR)port); }
41 HPT_U16  os_inw  (void *port) { return inw((unsigned)(HPT_UPTR)port); }
42 HPT_U32  os_inl  (void *port) { return inl((unsigned)(HPT_UPTR)port); }
43 
44 void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); }
45 void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); }
46 void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); }
47 
48 void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count)
49 { insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
50 
51 void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count)
52 { outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
53 
54 HPT_U32 __dummy_reg = 0;
55 
56 /* PCI configuration space */
57 HPT_U8  os_pci_readb (void *osext, HPT_U8 offset)
58 {
59     return  pci_read_config(((PHBA)osext)->pcidev, offset, 1);
60 }
61 
62 HPT_U16 os_pci_readw (void *osext, HPT_U8 offset)
63 {
64     return  pci_read_config(((PHBA)osext)->pcidev, offset, 2);
65 }
66 
67 HPT_U32 os_pci_readl (void *osext, HPT_U8 offset)
68 {
69     return  pci_read_config(((PHBA)osext)->pcidev, offset, 4);
70 }
71 
72 void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value)
73 {
74     pci_write_config(((PHBA)osext)->pcidev, offset, value, 1);
75 }
76 
77 void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value)
78 {
79     pci_write_config(((PHBA)osext)->pcidev, offset, value, 2);
80 }
81 
82 void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value)
83 {
84     pci_write_config(((PHBA)osext)->pcidev, offset, value, 4);
85 }
86 
87 BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr)
88 {
89 	return (BUS_ADDRESS)vtophys(dmapool_virt_addr);
90 }
91 
92 /* PCI space access */
93 HPT_U8 pcicfg_read_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
94 {
95 	return (HPT_U8)pci_cfgregread(bus, dev, func, reg, 1);
96 }
97 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
98 {
99 	return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4);
100 }
101 void pcicfg_write_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U8 v)
102 {
103 	pci_cfgregwrite(bus, dev, func, reg, v, 1);
104 }
105 void pcicfg_write_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U32 v)
106 {
107 	pci_cfgregwrite(bus, dev, func, reg, v, 4);
108 }/* PCI space access */
109 
110 void *os_map_pci_bar(
111     void *osext,
112     int index,
113     HPT_U32 offset,
114     HPT_U32 length
115 )
116 {
117 	PHBA hba = (PHBA)osext;
118 	HPT_U32 base;
119 
120 	hba->pcibar[index].rid = 0x10 + index * 4;
121 	base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4);
122 
123 	if (base & 1) {
124 		hba->pcibar[index].type = SYS_RES_IOPORT;
125 		hba->pcibar[index].res = bus_alloc_resource_any(hba->pcidev,
126 			hba->pcibar[index].type, &hba->pcibar[index].rid, RF_ACTIVE);
127 		hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1);
128 	} else {
129 		hba->pcibar[index].type = SYS_RES_MEMORY;
130 		hba->pcibar[index].res = bus_alloc_resource_any(hba->pcidev,
131 			hba->pcibar[index].type, &hba->pcibar[index].rid, RF_ACTIVE);
132 		hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset;
133 	}
134 
135 	return hba->pcibar[index].base;
136 }
137 
138 void os_unmap_pci_bar(void *osext, void *base)
139 {
140 	PHBA hba = (PHBA)osext;
141 	int index;
142 
143 	for (index=0; index<6; index++) {
144 		if (hba->pcibar[index].base==base) {
145 			bus_release_resource(hba->pcidev, hba->pcibar[index].type,
146 				hba->pcibar[index].rid, hba->pcibar[index].res);
147 			hba->pcibar[index].base = 0;
148 			return;
149 		}
150 	}
151 }
152 
153 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count)
154 {
155     PVBUS_EXT vbus_ext = osext;
156 
157     if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
158         vbus_ext = ((PHBA)osext)->vbus_ext;
159 
160     list->next = vbus_ext->freelist_head;
161     vbus_ext->freelist_head = list;
162     list->dma = 0;
163     list->size = size;
164     list->head = 0;
165 #if DBG
166     list->reserved_count =
167 #endif
168     list->count = count;
169 }
170 
171 void *freelist_get(struct freelist *list)
172 {
173     void * result;
174     if (list->count) {
175         HPT_ASSERT(list->head);
176         result = list->head;
177         list->head = *(void **)result;
178         list->count--;
179         return result;
180     }
181     return 0;
182 }
183 
184 void freelist_put(struct freelist * list, void *p)
185 {
186     HPT_ASSERT(list->dma==0);
187     list->count++;
188     *(void **)p = list->head;
189     list->head = p;
190 }
191 
192 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count)
193 {
194     PVBUS_EXT vbus_ext = osext;
195 
196     if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
197         vbus_ext = ((PHBA)osext)->vbus_ext;
198 
199     list->next = vbus_ext->freelist_dma_head;
200     vbus_ext->freelist_dma_head = list;
201     list->dma = 1;
202     list->alignment = alignment;
203     list->size = size;
204     list->head = 0;
205 #if DBG
206     list->reserved_count =
207 #endif
208     list->count = count;
209 }
210 
211 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr)
212 {
213     void *result;
214     HPT_ASSERT(list->dma);
215     result = freelist_get(list);
216     if (result)
217         *busaddr = *(BUS_ADDRESS *)((void **)result+1);
218     return result;
219 }
220 
221 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr)
222 {
223     HPT_ASSERT(list->dma);
224     list->count++;
225     *(void **)p = list->head;
226     *(BUS_ADDRESS *)((void **)p+1) = busaddr;
227     list->head = p;
228 }
229 
230 HPT_U32 os_get_stamp(void)
231 {
232     HPT_U32 stamp;
233     do { stamp = random(); } while (stamp==0);
234     return stamp;
235 }
236 
237 void os_stallexec(HPT_U32 microseconds)
238 {
239     DELAY(microseconds);
240 }
241 
242 static void os_timer_for_ldm(void *arg)
243 {
244 	PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
245 	ldm_on_timer((PVBUS)vbus_ext->vbus);
246 }
247 
248 void  os_request_timer(void * osext, HPT_U32 interval)
249 {
250 	PVBUS_EXT vbus_ext = osext;
251 
252 	HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS);
253 	callout_reset_sbt(&vbus_ext->timer, SBT_1US * interval, 0,
254 	    os_timer_for_ldm, vbus_ext, 0);
255 }
256 
257 HPT_TIME os_query_time(void)
258 {
259 	return ticks * (1000000 / hz);
260 }
261 
262 void os_schedule_task(void *osext, OSM_TASK *task)
263 {
264 	PVBUS_EXT vbus_ext = osext;
265 
266 	HPT_ASSERT(task->next==0);
267 
268 	if (vbus_ext->tasks==0)
269 		vbus_ext->tasks = task;
270 	else {
271 		OSM_TASK *t = vbus_ext->tasks;
272 		while (t->next) t = t->next;
273 		t->next = task;
274 	}
275 
276 	if (vbus_ext->worker.ta_context)
277 		TASK_ENQUEUE(&vbus_ext->worker);
278 }
279 
280 int os_revalidate_device(void *osext, int id)
281 {
282 
283     return 0;
284 }
285 
286 int os_query_remove_device(void *osext, int id)
287 {
288 	return 0;
289 }
290 
291 HPT_U8 os_get_vbus_seq(void *osext)
292 {
293     return ((PVBUS_EXT)osext)->sim->path_id;
294 }
295 
296 int  os_printk(char *fmt, ...)
297 {
298     va_list args;
299     static char buf[512];
300 
301     va_start(args, fmt);
302     vsnprintf(buf, sizeof(buf), fmt, args);
303     va_end(args);
304     return printf("%s: %s\n", driver_name, buf);
305 }
306 
307 #if DBG
308 void os_check_stack(const char *location, int size){}
309 
310 void __os_dbgbreak(const char *file, int line)
311 {
312     printf("*** break at %s:%d ***", file, line);
313     while (1);
314 }
315 
316 int hpt_dbg_level = 1;
317 #endif
318