1 /*-
2 * Copyright (c) 2011 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: src/sys/dev/hpt27xx/os_bsd.c,v 1.1 2011/12/28 23:26:58 delphij Exp $
27 */
28
29 #include <dev/raid/hpt27xx/hpt27xx_config.h>
30
31 #include <dev/raid/hpt27xx/os_bsd.h>
32
33 /* hardware access */
os_inb(void * port)34 HPT_U8 os_inb (void *port) { return inb((unsigned)(HPT_UPTR)port); }
os_inw(void * port)35 HPT_U16 os_inw (void *port) { return inw((unsigned)(HPT_UPTR)port); }
os_inl(void * port)36 HPT_U32 os_inl (void *port) { return inl((unsigned)(HPT_UPTR)port); }
37
os_outb(void * port,HPT_U8 value)38 void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); }
os_outw(void * port,HPT_U16 value)39 void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); }
os_outl(void * port,HPT_U32 value)40 void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); }
41
os_insw(void * port,HPT_U16 * buffer,HPT_U32 count)42 void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count)
43 { insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
44
os_outsw(void * port,HPT_U16 * buffer,HPT_U32 count)45 void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count)
46 { outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
47
48 HPT_U32 __dummy_reg = 0;
49
50 /* PCI configuration space */
os_pci_readb(void * osext,HPT_U8 offset)51 HPT_U8 os_pci_readb (void *osext, HPT_U8 offset)
52 {
53 return pci_read_config(((PHBA)osext)->pcidev, offset, 1);
54 }
55
os_pci_readw(void * osext,HPT_U8 offset)56 HPT_U16 os_pci_readw (void *osext, HPT_U8 offset)
57 {
58 return pci_read_config(((PHBA)osext)->pcidev, offset, 2);
59 }
60
os_pci_readl(void * osext,HPT_U8 offset)61 HPT_U32 os_pci_readl (void *osext, HPT_U8 offset)
62 {
63 return pci_read_config(((PHBA)osext)->pcidev, offset, 4);
64 }
65
os_pci_writeb(void * osext,HPT_U8 offset,HPT_U8 value)66 void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value)
67 {
68 pci_write_config(((PHBA)osext)->pcidev, offset, value, 1);
69 }
70
os_pci_writew(void * osext,HPT_U8 offset,HPT_U16 value)71 void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value)
72 {
73 pci_write_config(((PHBA)osext)->pcidev, offset, value, 2);
74 }
75
os_pci_writel(void * osext,HPT_U8 offset,HPT_U32 value)76 void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value)
77 {
78 pci_write_config(((PHBA)osext)->pcidev, offset, value, 4);
79 }
80
pcicfg_read_byte(HPT_U8 bus,HPT_U8 dev,HPT_U8 func,HPT_U8 reg)81 HPT_U8 pcicfg_read_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
82 {
83 return (HPT_U8)pci_cfgregread(bus, dev, func, reg, 1);
84 }
pcicfg_read_dword(HPT_U8 bus,HPT_U8 dev,HPT_U8 func,HPT_U8 reg)85 HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
86 {
87 return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4);
88 }
pcicfg_write_byte(HPT_U8 bus,HPT_U8 dev,HPT_U8 func,HPT_U8 reg,HPT_U8 v)89 void pcicfg_write_byte (HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U8 v)
90 {
91 pci_cfgregwrite(bus, dev, func, reg, v, 1);
92 }
pcicfg_write_dword(HPT_U8 bus,HPT_U8 dev,HPT_U8 func,HPT_U8 reg,HPT_U32 v)93 void pcicfg_write_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg, HPT_U32 v)
94 {
95 pci_cfgregwrite(bus, dev, func, reg, v, 4);
96 }/* PCI space access */
97
os_map_pci_bar(void * osext,int index,HPT_U32 offset,HPT_U32 length)98 void *os_map_pci_bar(
99 void *osext,
100 int index,
101 HPT_U32 offset,
102 HPT_U32 length
103 )
104 {
105 PHBA hba = (PHBA)osext;
106 HPT_U32 base;
107
108 hba->pcibar[index].rid = 0x10 + index * 4;
109 base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4);
110
111 if (base & 1) {
112 hba->pcibar[index].type = SYS_RES_IOPORT;
113 hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
114 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
115 hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1);
116 } else {
117 hba->pcibar[index].type = SYS_RES_MEMORY;
118 hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
119 hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
120 hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset;
121 }
122
123 return hba->pcibar[index].base;
124 }
125
os_unmap_pci_bar(void * osext,void * base)126 void os_unmap_pci_bar(void *osext, void *base)
127 {
128 PHBA hba = (PHBA)osext;
129 int index;
130
131 for (index=0; index<6; index++) {
132 if (hba->pcibar[index].base==base) {
133 bus_release_resource(hba->pcidev, hba->pcibar[index].type,
134 hba->pcibar[index].rid, hba->pcibar[index].res);
135 hba->pcibar[index].base = 0;
136 return;
137 }
138 }
139 }
140
freelist_reserve(struct freelist * list,void * osext,HPT_UINT size,HPT_UINT count)141 void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count)
142 {
143 PVBUS_EXT vbus_ext = osext;
144
145 if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
146 vbus_ext = ((PHBA)osext)->vbus_ext;
147
148 list->next = vbus_ext->freelist_head;
149 vbus_ext->freelist_head = list;
150 list->dma = 0;
151 list->size = size;
152 list->head = 0;
153 #if DBG
154 list->reserved_count =
155 #endif
156 list->count = count;
157 }
158
freelist_get(struct freelist * list)159 void *freelist_get(struct freelist *list)
160 {
161 void * result;
162 if (list->count) {
163 HPT_ASSERT(list->head);
164 result = list->head;
165 list->head = *(void **)result;
166 list->count--;
167 return result;
168 }
169 return 0;
170 }
171
freelist_put(struct freelist * list,void * p)172 void freelist_put(struct freelist * list, void *p)
173 {
174 HPT_ASSERT(list->dma==0);
175 list->count++;
176 *(void **)p = list->head;
177 list->head = p;
178 }
179
freelist_reserve_dma(struct freelist * list,void * osext,HPT_UINT size,HPT_UINT alignment,HPT_UINT count)180 void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count)
181 {
182 PVBUS_EXT vbus_ext = osext;
183
184 if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
185 vbus_ext = ((PHBA)osext)->vbus_ext;
186
187 list->next = vbus_ext->freelist_dma_head;
188 vbus_ext->freelist_dma_head = list;
189 list->dma = 1;
190 list->alignment = alignment;
191 list->size = size;
192 list->head = 0;
193 #if DBG
194 list->reserved_count =
195 #endif
196 list->count = count;
197 }
198
freelist_get_dma(struct freelist * list,BUS_ADDRESS * busaddr)199 void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr)
200 {
201 void *result;
202 HPT_ASSERT(list->dma);
203 result = freelist_get(list);
204 if (result)
205 *busaddr = *(BUS_ADDRESS *)((void **)result+1);
206 return result;
207 }
208
freelist_put_dma(struct freelist * list,void * p,BUS_ADDRESS busaddr)209 void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr)
210 {
211 HPT_ASSERT(list->dma);
212 list->count++;
213 *(void **)p = list->head;
214 *(BUS_ADDRESS *)((void **)p+1) = busaddr;
215 list->head = p;
216 }
217
os_get_stamp(void)218 HPT_U32 os_get_stamp(void)
219 {
220 HPT_U32 stamp;
221 do { stamp = krandom(); } while (stamp==0);
222 return stamp;
223 }
224
os_stallexec(HPT_U32 microseconds)225 void os_stallexec(HPT_U32 microseconds)
226 {
227 DELAY(microseconds);
228 }
229
os_timer_for_ldm(void * arg)230 static void os_timer_for_ldm(void *arg)
231 {
232 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
233 ldm_on_timer((PVBUS)vbus_ext->vbus);
234 }
235
os_request_timer(void * osext,HPT_U32 interval)236 void os_request_timer(void * osext, HPT_U32 interval)
237 {
238 PVBUS_EXT vbus_ext = osext;
239
240 HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS);
241
242 callout_stop(&vbus_ext->timer);
243 callout_reset(&vbus_ext->timer, interval * hz / 1000000, os_timer_for_ldm, vbus_ext);
244 }
245
os_query_time(void)246 HPT_TIME os_query_time(void)
247 {
248 return ticks * (1000000 / hz);
249 }
250
os_schedule_task(void * osext,OSM_TASK * task)251 void os_schedule_task(void *osext, OSM_TASK *task)
252 {
253 PVBUS_EXT vbus_ext = osext;
254
255 HPT_ASSERT(task->next==0);
256
257 if (vbus_ext->tasks==0)
258 vbus_ext->tasks = task;
259 else {
260 OSM_TASK *t = vbus_ext->tasks;
261 while (t->next) t = t->next;
262 t->next = task;
263 }
264
265 if (vbus_ext->worker.ta_context)
266 TASK_ENQUEUE(&vbus_ext->worker);
267 }
268
os_revalidate_device(void * osext,int id)269 int os_revalidate_device(void *osext, int id)
270 {
271
272 return 0;
273 }
274
os_query_remove_device(void * osext,int id)275 int os_query_remove_device(void *osext, int id)
276 {
277 PVBUS_EXT vbus_ext = (PVBUS_EXT)osext;
278 struct cam_periph *periph = NULL;
279 struct cam_path *path;
280 int status,retval = 0;
281
282 status = xpt_create_path(&path, NULL, vbus_ext->sim->path_id, id, 0);
283 if (status == CAM_REQ_CMP) {
284 if((periph = cam_periph_find(path, "da")) != NULL){
285 if(periph->refcount >= 1)
286 retval = -1;
287 }
288 xpt_free_path(path);
289 }
290
291 return retval;
292 }
293
os_get_vbus_seq(void * osext)294 HPT_U8 os_get_vbus_seq(void *osext)
295 {
296 return ((PVBUS_EXT)osext)->sim->path_id;
297 }
298
os_printk(char * fmt,...)299 int os_printk(char *fmt, ...)
300 {
301 __va_list args;
302 static char buf[512];
303
304 __va_start(args, fmt);
305 kvsnprintf(buf, sizeof(buf), fmt, args);
306 __va_end(args);
307 return kprintf("%s: %s\n", driver_name, buf);
308 }
309
310 #if DBG
os_check_stack(const char * location,int size)311 void os_check_stack(const char *location, int size){}
312
__os_dbgbreak(const char * file,int line)313 void __os_dbgbreak(const char *file, int line)
314 {
315 kprintf("*** break at %s:%d ***", file, line);
316 while (1);
317 }
318
319 int hpt_dbg_level = 1;
320 #endif
321