os_bsd.h revision 269611
1/*- 2 * Copyright (c) 2011 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/hpt27xx/os_bsd.h 269611 2014-08-05 23:32:53Z jhb $ 27 */ 28 29#include <dev/hpt27xx/hpt27xx_config.h> 30 31#ifndef _OS_BSD_H 32#define _OS_BSD_H 33 34#ifndef DBG 35#define DBG 0 36#endif 37 38#include <sys/param.h> 39#include <sys/types.h> 40#include <sys/cons.h> 41#include <sys/time.h> 42#include <sys/systm.h> 43 44#include <sys/stat.h> 45#include <sys/malloc.h> 46#include <sys/conf.h> 47#include <sys/libkern.h> 48#include <sys/kernel.h> 49 50#include <sys/kthread.h> 51#include <sys/mutex.h> 52#include <sys/module.h> 53 54#include <sys/eventhandler.h> 55#include <sys/bus.h> 56#include <sys/taskqueue.h> 57#include <sys/ioccom.h> 58 59#include <machine/resource.h> 60#include <machine/pci_cfgreg.h> 61#include <machine/bus.h> 62#include <machine/stdarg.h> 63#include <sys/rman.h> 64 65#include <vm/vm.h> 66#include <vm/pmap.h> 67 68#include <dev/pci/pcireg.h> 69#include <dev/pci/pcivar.h> 70 71#include <cam/cam.h> 72#include <cam/cam_ccb.h> 73#include <cam/cam_sim.h> 74#include <cam/cam_xpt_sim.h> 75#include <cam/cam_debug.h> 76#include <cam/cam_xpt_periph.h> 77#include <cam/cam_periph.h> 78#include <cam/scsi/scsi_all.h> 79#include <cam/scsi/scsi_message.h> 80 81 82typedef 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)) 106INQUIRYDATA, *PINQUIRYDATA; 107 108#endif 109 110/* private headers */ 111 112#include <dev/hpt27xx/osm.h> 113#include <dev/hpt27xx/him.h> 114#include <dev/hpt27xx/ldm.h> 115 116/* driver parameters */ 117extern const char driver_name[]; 118extern const char driver_name_long[]; 119extern const char driver_ver[]; 120extern 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 130typedef 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} 149HBA, *PHBA; 150 151typedef 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} 159OS_CMDEXT, *POS_CMDEXT; 160 161typedef 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 mtx 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} 185VBUS_EXT, *PVBUS_EXT; 186 187#define hpt_lock_vbus(vbus_ext) mtx_lock(&(vbus_ext)->lock) 188#define hpt_unlock_vbus(vbus_ext) mtx_unlock(&(vbus_ext)->lock) 189#define hpt_assert_vbus_locked(vbus_ext) mtx_assert(&(vbus_ext)->lock, MA_OWNED) 190 191 192#define HPT_OSM_TIMEOUT (20*hz) /* timeout value for OS commands */ 193 194#define HPT_DO_IOCONTROL _IOW('H', 0, HPT_IOCTL_PARAM) 195 196#define HPT_SCAN_BUS _IO('H', 1) 197 198#define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi,(task)); 199 200static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo) 201{ 202 return msleep(ident, &vbus_ext->lock, priority, wmesg, timo); 203} 204