os_bsd.h revision 330897
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) HighPoint Technologies, Inc.
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: stable/11/sys/dev/hptrr/os_bsd.h 330897 2018-03-14 03:19:51Z eadler $
29 */
30#include <dev/hptrr/hptrr_config.h>
31/* $Id: os_bsd.h,v 1.18 2006/04/11 08:19:02 gmm Exp $
32 *
33 * HighPoint RAID Driver for FreeBSD
34 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
35 */
36
37#ifndef _OS_BSD_H
38#define _OS_BSD_H
39
40#ifndef DBG
41#define  DBG	0
42#endif
43
44#include <sys/param.h>
45#include <sys/types.h>
46#include <sys/cons.h>
47#include <sys/time.h>
48#include <sys/systm.h>
49
50#include <sys/stat.h>
51#include <sys/malloc.h>
52#include <sys/conf.h>
53#include <sys/libkern.h>
54#include <sys/kernel.h>
55
56#include <sys/kthread.h>
57#include <sys/mutex.h>
58#include <sys/module.h>
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#include <dev/pci/pcireg.h>
74#include <dev/pci/pcivar.h>
75
76#include <cam/cam.h>
77#include <cam/cam_ccb.h>
78#include <cam/cam_sim.h>
79#include <cam/cam_xpt_sim.h>
80#include <cam/cam_debug.h>
81#include <cam/cam_periph.h>
82#include <cam/scsi/scsi_all.h>
83#include <cam/scsi/scsi_message.h>
84
85
86
87typedef struct _INQUIRYDATA {
88	u_char DeviceType : 5;
89	u_char DeviceTypeQualifier : 3;
90	u_char DeviceTypeModifier : 7;
91	u_char RemovableMedia : 1;
92	u_char Versions;
93	u_char ResponseDataFormat;
94	u_char AdditionalLength;
95	u_char Reserved[2];
96	u_char SoftReset : 1;
97	u_char CommandQueue : 1;
98	u_char Reserved2 : 1;
99	u_char LinkedCommands : 1;
100	u_char Synchronous : 1;
101	u_char Wide16Bit : 1;
102	u_char Wide32Bit : 1;
103	u_char RelativeAddressing : 1;
104	u_char VendorId[8];
105	u_char ProductId[16];
106	u_char ProductRevisionLevel[4];
107	u_char VendorSpecific[20];
108	u_char Reserved3[40];
109}
110__attribute__((packed))
111INQUIRYDATA, *PINQUIRYDATA;
112
113#endif
114
115/* private headers */
116
117#include <dev/hptrr/osm.h>
118#include <dev/hptrr/him.h>
119#include <dev/hptrr/ldm.h>
120
121/* driver parameters */
122extern char driver_name[];
123extern char driver_name_long[];
124extern char driver_ver[];
125extern int  osm_max_targets;
126
127/*
128 * adapter/vbus extensions:
129 * each physical controller has an adapter_ext, passed to him.create_adapter()
130 * each vbus has a vbus_ext passed to ldm_create_vbus().
131 */
132#define EXT_TYPE_HBA  1
133#define EXT_TYPE_VBUS 2
134
135typedef struct _hba {
136	int               ext_type;
137	LDM_ADAPTER       ldm_adapter;
138	device_t          pcidev;
139	PCI_ADDRESS       pciaddr;
140	struct _vbus_ext *vbus_ext;
141	struct _hba      *next;
142
143	struct {
144		struct resource *res;
145		int type;
146		int rid;
147		void *base;
148	}
149	pcibar[6];
150
151	struct resource  *irq_res;
152	void             *irq_handle;
153}
154HBA, *PHBA;
155
156typedef struct _os_cmdext {
157	struct _vbus_ext  *vbus_ext;
158	struct _os_cmdext *next;
159	union ccb         *ccb;
160	bus_dmamap_t       dma_map;
161	struct callout     timeout;
162	SG                 psg[os_max_sg_descriptors];
163}
164OS_CMDEXT, *POS_CMDEXT;
165
166typedef struct _vbus_ext {
167	int               ext_type;
168	struct _vbus_ext *next;
169	PHBA              hba_list;
170	struct freelist  *freelist_head;
171	struct freelist  *freelist_dma_head;
172
173	struct cam_sim   *sim;    /* sim for this vbus */
174	struct cam_path  *path;   /* peripheral, path, tgt, lun with this vbus */
175	struct mtx        lock; /* general purpose lock */
176	bus_dma_tag_t     io_dmat; /* I/O buffer DMA tag */
177
178	POS_CMDEXT        cmdext_list;
179
180	OSM_TASK         *tasks;
181	struct task       worker;
182
183	struct callout    timer;
184
185	eventhandler_tag  shutdown_eh;
186
187	/* the LDM vbus instance continues */
188	unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long))));
189}
190VBUS_EXT, *PVBUS_EXT;
191
192#define hpt_lock_vbus(vbus_ext)   mtx_lock(&(vbus_ext)->lock)
193#define hpt_unlock_vbus(vbus_ext) mtx_unlock(&(vbus_ext)->lock)
194#define hpt_assert_vbus_locked(vbus_ext)   mtx_assert(&(vbus_ext)->lock, MA_OWNED)
195
196
197#define HPT_OSM_TIMEOUT (20*hz)  /* timeout value for OS commands */
198
199#define HPT_DO_IOCONTROL	_IOW('H', 0, HPT_IOCTL_PARAM)
200
201#define HPT_SCAN_BUS		_IO('H', 1)
202
203#define TASK_ENQUEUE(task)	taskqueue_enqueue(taskqueue_swi,(task));
204
205static	__inline	int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo)
206{
207	return	msleep(ident, &vbus_ext->lock, priority, wmesg, timo);
208}
209