2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2005-2011 HighPoint Technologies, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #include <dev/hpt27xx/hpt27xx_config.h>
40 #include <sys/param.h>
41 #include <sys/types.h>
44 #include <sys/systm.h>
47 #include <sys/malloc.h>
49 #include <sys/libkern.h>
50 #include <sys/kernel.h>
52 #include <sys/kthread.h>
53 #include <sys/mutex.h>
54 #include <sys/module.h>
56 #include <sys/eventhandler.h>
58 #include <sys/taskqueue.h>
59 #include <sys/ioccom.h>
61 #include <machine/resource.h>
62 #include <machine/pci_cfgreg.h>
63 #include <machine/bus.h>
64 #include <machine/stdarg.h>
70 #include <dev/pci/pcireg.h>
71 #include <dev/pci/pcivar.h>
74 #include <cam/cam_ccb.h>
75 #include <cam/cam_sim.h>
76 #include <cam/cam_xpt_sim.h>
77 #include <cam/cam_debug.h>
78 #include <cam/cam_xpt_periph.h>
79 #include <cam/cam_periph.h>
80 #include <cam/scsi/scsi_all.h>
81 #include <cam/scsi/scsi_message.h>
84 typedef struct _INQUIRYDATA {
85 u_char DeviceType : 5;
86 u_char DeviceTypeQualifier : 3;
87 u_char DeviceTypeModifier : 7;
88 u_char RemovableMedia : 1;
90 u_char ResponseDataFormat;
91 u_char AdditionalLength;
94 u_char CommandQueue : 1;
96 u_char LinkedCommands : 1;
97 u_char Synchronous : 1;
100 u_char RelativeAddressing : 1;
102 u_char ProductId[16];
103 u_char ProductRevisionLevel[4];
104 u_char VendorSpecific[20];
105 u_char Reserved3[40];
107 __attribute__((packed))
108 INQUIRYDATA, *PINQUIRYDATA;
112 /* private headers */
114 #include <dev/hpt27xx/osm.h>
115 #include <dev/hpt27xx/him.h>
116 #include <dev/hpt27xx/ldm.h>
118 /* driver parameters */
119 extern const char driver_name[];
120 extern const char driver_name_long[];
121 extern const char driver_ver[];
122 extern int osm_max_targets;
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().
129 #define EXT_TYPE_HBA 1
130 #define EXT_TYPE_VBUS 2
132 typedef struct _hba {
134 LDM_ADAPTER ldm_adapter;
137 struct _vbus_ext *vbus_ext;
141 struct resource *res;
148 struct resource *irq_res;
153 typedef struct _os_cmdext {
154 struct _vbus_ext *vbus_ext;
155 struct _os_cmdext *next;
157 bus_dmamap_t dma_map;
158 #if (__FreeBSD_version >= 1000510)
159 struct callout timeout;
161 SG psg[os_max_sg_descriptors];
163 OS_CMDEXT, *POS_CMDEXT;
165 typedef struct _vbus_ext {
167 struct _vbus_ext *next;
169 struct freelist *freelist_head;
170 struct freelist *freelist_dma_head;
172 struct cam_sim *sim; /* sim for this vbus */
173 struct cam_path *path; /* peripheral, path, tgt, lun with this vbus */
174 struct mtx lock; /* general purpose lock */
175 bus_dma_tag_t io_dmat; /* I/O buffer DMA tag */
177 POS_CMDEXT cmdext_list;
181 #if (__FreeBSD_version >= 1000510)
182 struct callout timer;
184 struct callout_handle timer;
186 eventhandler_tag shutdown_eh;
188 /* the LDM vbus instance continues */
189 unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long))));
191 VBUS_EXT, *PVBUS_EXT;
193 #define hpt_lock_vbus(vbus_ext) mtx_lock(&(vbus_ext)->lock)
194 #define hpt_unlock_vbus(vbus_ext) mtx_unlock(&(vbus_ext)->lock)
195 #define hpt_assert_vbus_locked(vbus_ext) mtx_assert(&(vbus_ext)->lock, MA_OWNED)
198 #define HPT_OSM_TIMEOUT (20*hz) /* timeout value for OS commands */
200 #define HPT_DO_IOCONTROL _IOW('H', 0, HPT_IOCTL_PARAM)
202 #define HPT_SCAN_BUS _IO('H', 1)
204 #if __FreeBSD_version < 1000510
205 #define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi_giant,(task));
207 #define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi,(task));
210 static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo)
212 return msleep(ident, &vbus_ext->lock, priority, wmesg, timo);