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 * $FreeBSD$ 27 */ 28 #include <dev/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/mutex.h> 56 #include <sys/module.h> 57 58 #include <sys/eventhandler.h> 59 #include <sys/bus.h> 60 #include <sys/taskqueue.h> 61 #include <sys/ioccom.h> 62 63 #include <machine/resource.h> 64 #include <machine/bus.h> 65 #include <machine/stdarg.h> 66 #include <sys/rman.h> 67 68 #include <vm/vm.h> 69 #include <vm/pmap.h> 70 71 #include <dev/pci/pcireg.h> 72 #include <dev/pci/pcivar.h> 73 74 #include <cam/cam.h> 75 #include <cam/cam_ccb.h> 76 #include <cam/cam_sim.h> 77 #include <cam/cam_xpt_sim.h> 78 #include <cam/cam_debug.h> 79 #include <cam/cam_periph.h> 80 #include <cam/scsi/scsi_all.h> 81 #include <cam/scsi/scsi_message.h> 82 83 84 85 typedef struct _INQUIRYDATA { 86 u_char DeviceType : 5; 87 u_char DeviceTypeQualifier : 3; 88 u_char DeviceTypeModifier : 7; 89 u_char RemovableMedia : 1; 90 u_char Versions; 91 u_char ResponseDataFormat; 92 u_char AdditionalLength; 93 u_char Reserved[2]; 94 u_char SoftReset : 1; 95 u_char CommandQueue : 1; 96 u_char Reserved2 : 1; 97 u_char LinkedCommands : 1; 98 u_char Synchronous : 1; 99 u_char Wide16Bit : 1; 100 u_char Wide32Bit : 1; 101 u_char RelativeAddressing : 1; 102 u_char VendorId[8]; 103 u_char ProductId[16]; 104 u_char ProductRevisionLevel[4]; 105 u_char VendorSpecific[20]; 106 u_char Reserved3[40]; 107 } 108 __attribute__((packed)) 109 INQUIRYDATA, *PINQUIRYDATA; 110 111 #endif 112 113 /* private headers */ 114 115 #include <dev/hptrr/osm.h> 116 #include <dev/hptrr/him.h> 117 #include <dev/hptrr/ldm.h> 118 119 /* driver parameters */ 120 extern char driver_name[]; 121 extern char driver_name_long[]; 122 extern char driver_ver[]; 123 extern int osm_max_targets; 124 125 /* 126 * adapter/vbus extensions: 127 * each physical controller has an adapter_ext, passed to him.create_adapter() 128 * each vbus has a vbus_ext passed to ldm_create_vbus(). 129 */ 130 #define EXT_TYPE_HBA 1 131 #define EXT_TYPE_VBUS 2 132 133 typedef struct _hba { 134 int ext_type; 135 LDM_ADAPTER ldm_adapter; 136 device_t pcidev; 137 PCI_ADDRESS pciaddr; 138 struct _vbus_ext *vbus_ext; 139 struct _hba *next; 140 141 struct { 142 struct resource *res; 143 int type; 144 int rid; 145 void *base; 146 } 147 pcibar[6]; 148 149 struct resource *irq_res; 150 void *irq_handle; 151 } 152 HBA, *PHBA; 153 154 typedef struct _os_cmdext { 155 struct _vbus_ext *vbus_ext; 156 struct _os_cmdext *next; 157 union ccb *ccb; 158 bus_dmamap_t dma_map; 159 struct callout timeout; 160 SG psg[os_max_sg_descriptors]; 161 } 162 OS_CMDEXT, *POS_CMDEXT; 163 164 typedef struct _vbus_ext { 165 int ext_type; 166 struct _vbus_ext *next; 167 PHBA hba_list; 168 struct freelist *freelist_head; 169 struct freelist *freelist_dma_head; 170 171 struct cam_sim *sim; /* sim for this vbus */ 172 struct cam_path *path; /* peripheral, path, tgt, lun with this vbus */ 173 struct mtx lock; /* general purpose lock */ 174 bus_dma_tag_t io_dmat; /* I/O buffer DMA tag */ 175 176 POS_CMDEXT cmdext_list; 177 178 OSM_TASK *tasks; 179 struct task worker; 180 181 struct callout timer; 182 183 eventhandler_tag shutdown_eh; 184 185 /* the LDM vbus instance continues */ 186 unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long)))); 187 } 188 VBUS_EXT, *PVBUS_EXT; 189 190 #define hpt_lock_vbus(vbus_ext) mtx_lock(&(vbus_ext)->lock) 191 #define hpt_unlock_vbus(vbus_ext) mtx_unlock(&(vbus_ext)->lock) 192 #define hpt_assert_vbus_locked(vbus_ext) mtx_assert(&(vbus_ext)->lock, MA_OWNED) 193 194 195 #define HPT_OSM_TIMEOUT (20*hz) /* timeout value for OS commands */ 196 197 #define HPT_DO_IOCONTROL _IOW('H', 0, HPT_IOCTL_PARAM) 198 199 #define HPT_SCAN_BUS _IO('H', 1) 200 201 #define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi,(task)); 202 203 static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo) 204 { 205 return msleep(ident, &vbus_ext->lock, priority, wmesg, timo); 206 } 207