hptnr_os_bsd.c revision 270384 
1/* $Id: os_bsd.c,v 1.13 2010/05/11 03:12:11 lcn Exp $ */
2/*-
3 * HighPoint RAID Driver for FreeBSD
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: head/sys/dev/hptnr/hptnr_os_bsd.c 270384 2014-08-23 01:52:43Z delphij $
29 */
30
31#include <dev/hptnr/hptnr_config.h>
32#include <dev/hptnr/os_bsd.h>
33
34BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr);
35
36/* hardware access */
37HPT_U8   os_inb  (void *port) { return inb((unsigned)(HPT_UPTR)port); }
38HPT_U16  os_inw  (void *port) { return inw((unsigned)(HPT_UPTR)port); }
39HPT_U32  os_inl  (void *port) { return inl((unsigned)(HPT_UPTR)port); }
40
41void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); }
42void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); }
43void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); }
44
45void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count)
46{ insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
47
48void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count)
49{ outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
50
51HPT_U32 __dummy_reg = 0;
52
53/* PCI configuration space */
54HPT_U8  os_pci_readb (void *osext, HPT_U8 offset)
55{
56    return  pci_read_config(((PHBA)osext)->pcidev, offset, 1);
57}
58
59HPT_U16 os_pci_readw (void *osext, HPT_U8 offset)
60{
61    return  pci_read_config(((PHBA)osext)->pcidev, offset, 2);
62}
63
64HPT_U32 os_pci_readl (void *osext, HPT_U8 offset)
65{
66    return  pci_read_config(((PHBA)osext)->pcidev, offset, 4);
67}
68
69void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value)
70{
71    pci_write_config(((PHBA)osext)->pcidev, offset, value, 1);
72}
73
74void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value)
75{
76    pci_write_config(((PHBA)osext)->pcidev, offset, value, 2);
77}
78
79void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value)
80{
81    pci_write_config(((PHBA)osext)->pcidev, offset, value, 4);
82}
83
84BUS_ADDRESS get_dmapool_phy_addr(void *osext, void * dmapool_virt_addr)
85{
86	return (BUS_ADDRESS)vtophys(dmapool_virt_addr);
87}
88
89HPT_U32 pcicfg_read_dword(HPT_U8 bus, HPT_U8 dev, HPT_U8 func, HPT_U8 reg)
90{
91	return (HPT_U32)pci_cfgregread(bus, dev, func, reg, 4);;
92}/* PCI space access */
93
94void *os_map_pci_bar(
95    void *osext,
96    int index,
97    HPT_U32 offset,
98    HPT_U32 length
99)
100{
101	PHBA hba = (PHBA)osext;
102	HPT_U32 base;
103
104	hba->pcibar[index].rid = 0x10 + index * 4;
105	base = pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4);
106
107	if (base & 1) {
108		hba->pcibar[index].type = SYS_RES_IOPORT;
109		hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
110			hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
111		hba->pcibar[index].base = (void *)(unsigned long)(base & ~0x1);
112	} else {
113		hba->pcibar[index].type = SYS_RES_MEMORY;
114		hba->pcibar[index].res = bus_alloc_resource(hba->pcidev,
115			hba->pcibar[index].type, &hba->pcibar[index].rid, 0, ~0, length, RF_ACTIVE);
116		hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset;
117	}
118
119	return hba->pcibar[index].base;
120}
121
122void os_unmap_pci_bar(void *osext, void *base)
123{
124	PHBA hba = (PHBA)osext;
125	int index;
126
127	for (index=0; index<6; index++) {
128		if (hba->pcibar[index].base==base) {
129			bus_release_resource(hba->pcidev, hba->pcibar[index].type,
130				hba->pcibar[index].rid, hba->pcibar[index].res);
131			hba->pcibar[index].base = 0;
132			return;
133		}
134	}
135}
136
137void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count)
138{
139    PVBUS_EXT vbus_ext = osext;
140
141    if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
142        vbus_ext = ((PHBA)osext)->vbus_ext;
143
144    list->next = vbus_ext->freelist_head;
145    vbus_ext->freelist_head = list;
146    list->dma = 0;
147    list->size = size;
148    list->head = 0;
149#if DBG
150    list->reserved_count =
151#endif
152    list->count = count;
153}
154
155void *freelist_get(struct freelist *list)
156{
157    void * result;
158    if (list->count) {
159        HPT_ASSERT(list->head);
160        result = list->head;
161        list->head = *(void **)result;
162        list->count--;
163        return result;
164    }
165    return 0;
166}
167
168void freelist_put(struct freelist * list, void *p)
169{
170    HPT_ASSERT(list->dma==0);
171    list->count++;
172    *(void **)p = list->head;
173    list->head = p;
174}
175
176void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count)
177{
178    PVBUS_EXT vbus_ext = osext;
179
180    if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
181        vbus_ext = ((PHBA)osext)->vbus_ext;
182
183    list->next = vbus_ext->freelist_dma_head;
184    vbus_ext->freelist_dma_head = list;
185    list->dma = 1;
186    list->alignment = alignment;
187    list->size = size;
188    list->head = 0;
189#if DBG
190    list->reserved_count =
191#endif
192    list->count = count;
193}
194
195void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr)
196{
197    void *result;
198    HPT_ASSERT(list->dma);
199    result = freelist_get(list);
200    if (result)
201        *busaddr = *(BUS_ADDRESS *)((void **)result+1);
202    return result;
203}
204
205void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr)
206{
207    HPT_ASSERT(list->dma);
208    list->count++;
209    *(void **)p = list->head;
210    *(BUS_ADDRESS *)((void **)p+1) = busaddr;
211    list->head = p;
212}
213
214HPT_U32 os_get_stamp(void)
215{
216    HPT_U32 stamp;
217    do { stamp = random(); } while (stamp==0);
218    return stamp;
219}
220
221void os_stallexec(HPT_U32 microseconds)
222{
223    DELAY(microseconds);
224}
225
226static void os_timer_for_ldm(void *arg)
227{
228	PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
229	ldm_on_timer((PVBUS)vbus_ext->vbus);
230}
231
232void  os_request_timer(void * osext, HPT_U32 interval)
233{
234	PVBUS_EXT vbus_ext = osext;
235
236	HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS);
237
238	callout_reset(&vbus_ext->timer, interval * hz / 1000000,
239	    os_timer_for_ldm, vbus_ext);
240}
241
242HPT_TIME os_query_time(void)
243{
244	return ticks * (1000000 / hz);
245}
246
247void os_schedule_task(void *osext, OSM_TASK *task)
248{
249	PVBUS_EXT vbus_ext = osext;
250
251	HPT_ASSERT(task->next==0);
252
253	if (vbus_ext->tasks==0)
254		vbus_ext->tasks = task;
255	else {
256		OSM_TASK *t = vbus_ext->tasks;
257		while (t->next) t = t->next;
258		t->next = task;
259	}
260
261	if (vbus_ext->worker.ta_context)
262		TASK_ENQUEUE(&vbus_ext->worker);
263}
264
265int os_revalidate_device(void *osext, int id)
266{
267
268    return 0;
269}
270
271int os_query_remove_device(void *osext, int id)
272{
273    return 0;
274}
275
276HPT_U8 os_get_vbus_seq(void *osext)
277{
278    return ((PVBUS_EXT)osext)->sim->path_id;
279}
280
281int  os_printk(char *fmt, ...)
282{
283    va_list args;
284    static char buf[512];
285
286    va_start(args, fmt);
287    vsnprintf(buf, sizeof(buf), fmt, args);
288    va_end(args);
289    return printf("%s: %s\n", driver_name, buf);
290}
291
292#if DBG
293void os_check_stack(const char *location, int size){}
294
295void __os_dbgbreak(const char *file, int line)
296{
297    printf("*** break at %s:%d ***", file, line);
298    while (1);
299}
300
301int hpt_dbg_level = 1;
302#endif
303