xref: /dragonfly/sys/dev/raid/hptrr/os_bsd.h (revision 5fb3968e)
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: head/sys/dev/hptrr/os_bsd.h 269615 2014-08-05 23:47:26Z jhb $
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/kernel.h>
52 
53 #include <sys/kthread.h>
54 #include <sys/module.h>
55 
56 #include <sys/eventhandler.h>
57 #include <sys/bus.h>
58 #include <sys/device.h>
59 #include <sys/taskqueue.h>
60 #include <sys/ioccom.h>
61 
62 #include <sys/rman.h>
63 
64 #include <vm/vm.h>
65 #include <vm/pmap.h>
66 
67 #include <bus/pci/pcivar.h>
68 #include <bus/pci/pcireg.h>
69 
70 #include <bus/cam/cam.h>
71 #include <bus/cam/cam_ccb.h>
72 #include <bus/cam/cam_sim.h>
73 #include <bus/cam/cam_xpt_periph.h>
74 #include <bus/cam/cam_xpt_sim.h>
75 #include <bus/cam/cam_debug.h>
76 #include <bus/cam/cam_periph.h>
77 #include <bus/cam/scsi/scsi_all.h>
78 #include <bus/cam/scsi/scsi_message.h>
79 
80 
81 
82 typedef struct _INQUIRYDATA {
83 	u_char DeviceType : 5;
84 	u_char DeviceTypeQualifier : 3;
85 	u_char DeviceTypeModifier : 7;
86 	u_char RemovableMedia : 1;
87 	u_char Versions;
88 	u_char ResponseDataFormat;
89 	u_char AdditionalLength;
90 	u_char Reserved[2];
91 	u_char SoftReset : 1;
92 	u_char CommandQueue : 1;
93 	u_char Reserved2 : 1;
94 	u_char LinkedCommands : 1;
95 	u_char Synchronous : 1;
96 	u_char Wide16Bit : 1;
97 	u_char Wide32Bit : 1;
98 	u_char RelativeAddressing : 1;
99 	u_char VendorId[8];
100 	u_char ProductId[16];
101 	u_char ProductRevisionLevel[4];
102 	u_char VendorSpecific[20];
103 	u_char Reserved3[40];
104 }
105 __attribute__((packed))
106 INQUIRYDATA, *PINQUIRYDATA;
107 
108 #endif
109 
110 /* private headers */
111 
112 #include <dev/raid/hptrr/osm.h>
113 #include <dev/raid/hptrr/him.h>
114 #include <dev/raid/hptrr/ldm.h>
115 
116 /* driver parameters */
117 extern char driver_name[];
118 extern char driver_name_long[];
119 extern char driver_ver[];
120 extern int  osm_max_targets;
121 
122 /*
123  * adapter/vbus extensions:
124  * each physical controller has an adapter_ext, passed to him.create_adapter()
125  * each vbus has a vbus_ext passed to ldm_create_vbus().
126  */
127 #define EXT_TYPE_HBA  1
128 #define EXT_TYPE_VBUS 2
129 
130 typedef struct _hba {
131 	int               ext_type;
132 	LDM_ADAPTER       ldm_adapter;
133 	device_t          pcidev;
134 	PCI_ADDRESS       pciaddr;
135 	struct _vbus_ext *vbus_ext;
136 	struct _hba      *next;
137 
138 	struct {
139 		struct resource *res;
140 		int type;
141 		int rid;
142 		void *base;
143 	}
144 	pcibar[6];
145 
146 	struct resource  *irq_res;
147 	void             *irq_handle;
148 }
149 HBA, *PHBA;
150 
151 typedef struct _os_cmdext {
152 	struct _vbus_ext  *vbus_ext;
153 	struct _os_cmdext *next;
154 	union ccb         *ccb;
155 	bus_dmamap_t       dma_map;
156 	struct callout     timeout;
157 	SG                 psg[os_max_sg_descriptors];
158 }
159 OS_CMDEXT, *POS_CMDEXT;
160 
161 typedef struct _vbus_ext {
162 	int               ext_type;
163 	struct _vbus_ext *next;
164 	PHBA              hba_list;
165 	struct freelist  *freelist_head;
166 	struct freelist  *freelist_dma_head;
167 
168 	struct cam_sim   *sim;    /* sim for this vbus */
169 	struct cam_path  *path;   /* peripheral, path, tgt, lun with this vbus */
170 	struct lock       lock; /* general purpose lock */
171 	bus_dma_tag_t     io_dmat; /* I/O buffer DMA tag */
172 
173 	POS_CMDEXT        cmdext_list;
174 
175 	OSM_TASK         *tasks;
176 	struct task       worker;
177 
178 	struct callout    timer;
179 
180 	eventhandler_tag  shutdown_eh;
181 
182 	/* the LDM vbus instance continues */
183 	unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long))));
184 }
185 VBUS_EXT, *PVBUS_EXT;
186 
187 #define hpt_lock_vbus(vbus_ext)   lockmgr(&(vbus_ext)->lock, LK_EXCLUSIVE)
188 #define hpt_unlock_vbus(vbus_ext) lockmgr(&(vbus_ext)->lock, LK_RELEASE)
189 #define hpt_assert_vbus_locked(vbus_ext)   KKASSERT(lockstatus(&(vbus_ext)->lock, curthread) == LK_EXCLUSIVE)
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 }
205