FreeBSD/Linux Kernel Cross Reference
sys/dev/hptrr/os_bsd.h
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.h,v 1.18 2006/04/11 08:19:02 gmm Exp $
30 *
31 * HighPoint RAID Driver for FreeBSD
32 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
33 */
34
35 #ifndef _OS_BSD_H
36 #define _OS_BSD_H
37
38 #include <sys/param.h>
39 #include <sys/types.h>
40 #include <sys/cons.h>
41 #if (__FreeBSD_version >= 500000)
42 #include <sys/time.h>
43 #include <sys/systm.h>
44 #else
45 #include <machine/clock.h> /*to support DELAY function under 4.x BSD versions*/
46 #endif
47
48 #include <sys/stat.h>
49 #include <sys/malloc.h>
50 #include <sys/conf.h>
51 #include <sys/libkern.h>
52 #include <sys/kernel.h>
53
54 #if (__FreeBSD_version >= 500000)
55 #include <sys/kthread.h>
56 #include <sys/mutex.h>
57 #include <sys/module.h>
58 #endif
59
60 #include <sys/eventhandler.h>
61 #include <sys/bus.h>
62 #include <sys/taskqueue.h>
63 #include <sys/ioccom.h>
64
65 #include <machine/resource.h>
66 #include <machine/bus.h>
67 #include <machine/stdarg.h>
68 #include <sys/rman.h>
69
70 #include <vm/vm.h>
71 #include <vm/pmap.h>
72
73 #if (__FreeBSD_version >= 500000)
74 #include <dev/pci/pcireg.h>
75 #include <dev/pci/pcivar.h>
76 #else
77 #include <pci/pcivar.h>
78 #include <pci/pcireg.h>
79 #endif
80
81 #if (__FreeBSD_version <= 500043)
82 #include <sys/devicestat.h>
83 #endif
84
85 #include <cam/cam.h>
86 #include <cam/cam_ccb.h>
87 #include <cam/cam_sim.h>
88 #include <cam/cam_xpt_sim.h>
89 #include <cam/cam_debug.h>
90 #include <cam/cam_xpt_periph.h>
91 #include <cam/cam_periph.h>
92 #include <cam/scsi/scsi_all.h>
93 #include <cam/scsi/scsi_message.h>
94
95 #if (__FreeBSD_version < 500043)
96 #include <sys/bus_private.h>
97 #endif
98
99
100 typedef struct _INQUIRYDATA {
101 u_char DeviceType : 5;
102 u_char DeviceTypeQualifier : 3;
103 u_char DeviceTypeModifier : 7;
104 u_char RemovableMedia : 1;
105 u_char Versions;
106 u_char ResponseDataFormat;
107 u_char AdditionalLength;
108 u_char Reserved[2];
109 u_char SoftReset : 1;
110 u_char CommandQueue : 1;
111 u_char Reserved2 : 1;
112 u_char LinkedCommands : 1;
113 u_char Synchronous : 1;
114 u_char Wide16Bit : 1;
115 u_char Wide32Bit : 1;
116 u_char RelativeAddressing : 1;
117 u_char VendorId[8];
118 u_char ProductId[16];
119 u_char ProductRevisionLevel[4];
120 u_char VendorSpecific[20];
121 u_char Reserved3[40];
122 }
123 __attribute__((packed))
124 INQUIRYDATA, *PINQUIRYDATA;
125
126 #endif
127
128 /* private headers */
129
130 #include <dev/hptrr/osm.h>
131 #include <dev/hptrr/him.h>
132 #include <dev/hptrr/ldm.h>
133
134 /* driver parameters */
135 extern char driver_name[];
136 extern char driver_name_long[];
137 extern char driver_ver[];
138 extern int osm_max_targets;
139
140 /*
141 * adapter/vbus extensions:
142 * each physical controller has an adapter_ext, passed to him.create_adapter()
143 * each vbus has a vbus_ext passed to ldm_create_vbus().
144 */
145 #define EXT_TYPE_HBA 1
146 #define EXT_TYPE_VBUS 2
147
148 typedef struct _hba {
149 int ext_type;
150 LDM_ADAPTER ldm_adapter;
151 device_t pcidev;
152 PCI_ADDRESS pciaddr;
153 struct _vbus_ext *vbus_ext;
154 struct _hba *next;
155
156 struct {
157 struct resource *res;
158 int type;
159 int rid;
160 void *base;
161 }
162 pcibar[6];
163
164 struct resource *irq_res;
165 void *irq_handle;
166 }
167 HBA, *PHBA;
168
169 typedef struct _os_cmdext {
170 struct _vbus_ext *vbus_ext;
171 struct _os_cmdext *next;
172 union ccb *ccb;
173 bus_dmamap_t dma_map;
174 SG psg[os_max_sg_descriptors];
175 }
176 OS_CMDEXT, *POS_CMDEXT;
177
178 typedef struct _vbus_ext {
179 int ext_type;
180 struct _vbus_ext *next;
181 PHBA hba_list;
182 struct freelist *freelist_head;
183 struct freelist *freelist_dma_head;
184
185 struct cam_sim *sim; /* sim for this vbus */
186 struct cam_path *path; /* peripheral, path, tgt, lun with this vbus */
187 #if (__FreeBSD_version >= 500000)
188 struct mtx lock; /* general purpose lock */
189 #else
190 int hpt_splx;
191 #endif
192 bus_dma_tag_t io_dmat; /* I/O buffer DMA tag */
193
194 POS_CMDEXT cmdext_list;
195
196 OSM_TASK *tasks;
197 struct task worker;
198
199 struct callout_handle timer;
200
201 eventhandler_tag shutdown_eh;
202
203 /* the LDM vbus instance continues */
204 unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long))));
205 }
206 VBUS_EXT, *PVBUS_EXT;
207
208 #if __FreeBSD_version >= 500000
209 #define hpt_lock_vbus(vbus_ext) mtx_lock(&(vbus_ext)->lock)
210 #define hpt_unlock_vbus(vbus_ext) mtx_unlock(&(vbus_ext)->lock)
211 #else
212 static __inline void hpt_lock_vbus(PVBUS_EXT vbus_ext)
213 {
214 vbus_ext->hpt_splx = splcam();
215 }
216 static __inline void hpt_unlock_vbus(PVBUS_EXT vbus_ext)
217 {
218 splx(vbus_ext->hpt_splx);
219 }
220 #endif
221
222
223 #define HPT_OSM_TIMEOUT (20*hz) /* timeout value for OS commands */
224
225 #define HPT_DO_IOCONTROL _IOW('H', 0, HPT_IOCTL_PARAM)
226
227 #define HPT_SCAN_BUS _IO('H', 1)
228
229 #if __FreeBSD_version >= 501000
230 #define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi_giant,(task));
231 #else
232 #define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi,(task));
233 #endif
234
235 #if __FreeBSD_version >= 500000
236 static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo)
237 {
238 return msleep(ident, &vbus_ext->lock, priority, wmesg, timo);
239 }
240 #else
241 static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo)
242 {
243 int retval = 0;
244
245 asleep(ident, priority, wmesg, timo);
246 hpt_unlock_vbus(vbus_ext);
247 retval = await(priority, timo);
248 hpt_lock_vbus(vbus_ext);
249
250 return retval;
251 }
252 #endif
253
254 #if __FreeBSD_version < 501000
255 #define READ_16 0x88
256 #define WRITE_16 0x8a
257 #define SERVICE_ACTION_IN 0x9e
258 #endif
259
260 #define HPT_DEV_MAJOR 200
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