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: src/sys/dev/hptrr/os_bsd.h,v 1.3 2010/01/28 08:41:30 mav Exp $
27 */
28 #include <dev/raid/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 #ifndef DBG
39 #define DBG 0
40 #endif
41
42 #include <sys/param.h>
43 #include <sys/types.h>
44 #include <sys/cons.h>
45 #include <sys/time.h>
46 #include <sys/systm.h>
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 #include <sys/kthread.h>
55 #include <sys/module.h>
56 #include <sys/mplock2.h>
57
58 #include <sys/eventhandler.h>
59 #include <sys/bus.h>
60 #include <sys/device.h>
61 #include <sys/taskqueue.h>
62 #include <sys/ioccom.h>
63
64 #include <sys/rman.h>
65
66 #include <vm/vm.h>
67 #include <vm/pmap.h>
68
69 #include <bus/pci/pcivar.h>
70 #include <bus/pci/pcireg.h>
71
72 #include <bus/cam/cam.h>
73 #include <bus/cam/cam_ccb.h>
74 #include <bus/cam/cam_sim.h>
75 #include <bus/cam/cam_xpt_periph.h>
76 #include <bus/cam/cam_xpt_sim.h>
77 #include <bus/cam/cam_debug.h>
78 #include <bus/cam/cam_periph.h>
79 #include <bus/cam/scsi/scsi_all.h>
80 #include <bus/cam/scsi/scsi_message.h>
81
82
83
84 typedef struct _INQUIRYDATA {
85 u_char DeviceType : 5;
86 u_char DeviceTypeQualifier : 3;
87 u_char DeviceTypeModifier : 7;
88 u_char RemovableMedia : 1;
89 u_char Versions;
90 u_char ResponseDataFormat;
91 u_char AdditionalLength;
92 u_char Reserved[2];
93 u_char SoftReset : 1;
94 u_char CommandQueue : 1;
95 u_char Reserved2 : 1;
96 u_char LinkedCommands : 1;
97 u_char Synchronous : 1;
98 u_char Wide16Bit : 1;
99 u_char Wide32Bit : 1;
100 u_char RelativeAddressing : 1;
101 u_char VendorId[8];
102 u_char ProductId[16];
103 u_char ProductRevisionLevel[4];
104 u_char VendorSpecific[20];
105 u_char Reserved3[40];
106 }
107 __attribute__((packed))
108 INQUIRYDATA, *PINQUIRYDATA;
109
110 #endif
111
112 /* private headers */
113
114 #include <dev/raid/hptrr/osm.h>
115 #include <dev/raid/hptrr/him.h>
116 #include <dev/raid/hptrr/ldm.h>
117
118 /* driver parameters */
119 extern char driver_name[];
120 extern char driver_name_long[];
121 extern char driver_ver[];
122 extern int osm_max_targets;
123
124 /*
125 * adapter/vbus extensions:
126 * each physical controller has an adapter_ext, passed to him.create_adapter()
127 * each vbus has a vbus_ext passed to ldm_create_vbus().
128 */
129 #define EXT_TYPE_HBA 1
130 #define EXT_TYPE_VBUS 2
131
132 typedef struct _hba {
133 int ext_type;
134 LDM_ADAPTER ldm_adapter;
135 device_t pcidev;
136 PCI_ADDRESS pciaddr;
137 struct _vbus_ext *vbus_ext;
138 struct _hba *next;
139
140 struct {
141 struct resource *res;
142 int type;
143 int rid;
144 void *base;
145 }
146 pcibar[6];
147
148 struct resource *irq_res;
149 void *irq_handle;
150 }
151 HBA, *PHBA;
152
153 typedef struct _os_cmdext {
154 struct _vbus_ext *vbus_ext;
155 struct _os_cmdext *next;
156 union ccb *ccb;
157 bus_dmamap_t dma_map;
158 SG psg[os_max_sg_descriptors];
159 }
160 OS_CMDEXT, *POS_CMDEXT;
161
162 typedef struct _vbus_ext {
163 int ext_type;
164 struct _vbus_ext *next;
165 PHBA hba_list;
166 struct freelist *freelist_head;
167 struct freelist *freelist_dma_head;
168
169 struct cam_sim *sim; /* sim for this vbus */
170 struct cam_path *path; /* peripheral, path, tgt, lun with this vbus */
171 struct lock lock; /* general purpose lock */
172 bus_dma_tag_t io_dmat; /* I/O buffer DMA tag */
173
174 POS_CMDEXT cmdext_list;
175
176 OSM_TASK *tasks;
177 struct task worker;
178
179 struct callout timer;
180
181 eventhandler_tag shutdown_eh;
182
183 /* the LDM vbus instance continues */
184 unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long))));
185 }
186 VBUS_EXT, *PVBUS_EXT;
187
188 #define hpt_lock_vbus(vbus_ext) lockmgr(&(vbus_ext)->lock, LK_EXCLUSIVE)
189 #define hpt_unlock_vbus(vbus_ext) lockmgr(&(vbus_ext)->lock, LK_RELEASE)
190
191 #define HPTRR_DFLTPHYS (64 * 1024)
192
193 #define HPT_OSM_TIMEOUT (20*hz) /* timeout value for OS commands */
194
195 #define HPT_DO_IOCONTROL _IOW('H', 0, HPT_IOCTL_PARAM)
196
197 #define HPT_SCAN_BUS _IO('H', 1)
198
199 #define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi,(task));
200
201 static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo)
202 {
203 return lksleep(ident, &vbus_ext->lock, priority, wmesg, timo);
204 }
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