1 /* $Id: os_bsd.h,v 1.20 2010/05/11 03:12:11 lcn Exp $ */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4 * 5 * HighPoint RAID Driver for FreeBSD 6 * Copyright (C) 2005-2011 HighPoint Technologies, Inc. All Rights Reserved. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #include <dev/hptnr/hptnr_config.h> 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/pci_cfgreg.h> 65 #include <machine/bus.h> 66 #include <machine/stdarg.h> 67 #include <sys/rman.h> 68 69 #include <vm/vm.h> 70 #include <vm/pmap.h> 71 72 #include <dev/pci/pcireg.h> 73 #include <dev/pci/pcivar.h> 74 75 #include <cam/cam.h> 76 #include <cam/cam_ccb.h> 77 #include <cam/cam_sim.h> 78 #include <cam/cam_xpt_sim.h> 79 #include <cam/cam_debug.h> 80 #include <cam/cam_xpt_periph.h> 81 #include <cam/cam_periph.h> 82 #include <cam/scsi/scsi_all.h> 83 #include <cam/scsi/scsi_message.h> 84 85 86 typedef struct _INQUIRYDATA { 87 u_char DeviceType : 5; 88 u_char DeviceTypeQualifier : 3; 89 u_char DeviceTypeModifier : 7; 90 u_char RemovableMedia : 1; 91 u_char Versions; 92 u_char ResponseDataFormat; 93 u_char AdditionalLength; 94 u_char Reserved[2]; 95 u_char SoftReset : 1; 96 u_char CommandQueue : 1; 97 u_char Reserved2 : 1; 98 u_char LinkedCommands : 1; 99 u_char Synchronous : 1; 100 u_char Wide16Bit : 1; 101 u_char Wide32Bit : 1; 102 u_char RelativeAddressing : 1; 103 u_char VendorId[8]; 104 u_char ProductId[16]; 105 u_char ProductRevisionLevel[4]; 106 u_char VendorSpecific[20]; 107 u_char Reserved3[40]; 108 } 109 __attribute__((packed)) 110 INQUIRYDATA, *PINQUIRYDATA; 111 112 #endif 113 114 /* private headers */ 115 116 #include <dev/hptnr/osm.h> 117 #include <dev/hptnr/him.h> 118 #include <dev/hptnr/ldm.h> 119 120 /* driver parameters */ 121 extern const char driver_name[]; 122 extern const char driver_name_long[]; 123 extern const char driver_ver[]; 124 extern int osm_max_targets; 125 126 /* 127 * adapter/vbus extensions: 128 * each physical controller has an adapter_ext, passed to him.create_adapter() 129 * each vbus has a vbus_ext passed to ldm_create_vbus(). 130 */ 131 #define EXT_TYPE_HBA 1 132 #define EXT_TYPE_VBUS 2 133 134 typedef struct _hba { 135 int ext_type; 136 LDM_ADAPTER ldm_adapter; 137 device_t pcidev; 138 PCI_ADDRESS pciaddr; 139 struct _vbus_ext *vbus_ext; 140 struct _hba *next; 141 142 struct { 143 struct resource *res; 144 int type; 145 int rid; 146 void *base; 147 } 148 pcibar[6]; 149 150 struct resource *irq_res; 151 void *irq_handle; 152 } 153 HBA, *PHBA; 154 155 typedef struct _os_cmdext { 156 struct _vbus_ext *vbus_ext; 157 struct _os_cmdext *next; 158 union ccb *ccb; 159 bus_dmamap_t dma_map; 160 struct callout timeout; 161 SG psg[os_max_sg_descriptors]; 162 } 163 OS_CMDEXT, *POS_CMDEXT; 164 165 typedef struct _vbus_ext { 166 int ext_type; 167 struct _vbus_ext *next; 168 PHBA hba_list; 169 struct freelist *freelist_head; 170 struct freelist *freelist_dma_head; 171 172 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 */ 176 177 POS_CMDEXT cmdext_list; 178 179 OSM_TASK *tasks; 180 struct task worker; 181 182 struct callout timer; 183 184 eventhandler_tag shutdown_eh; 185 186 /* the LDM vbus instance continues */ 187 unsigned long vbus[0] __attribute__((aligned(sizeof(unsigned long)))); 188 } 189 VBUS_EXT, *PVBUS_EXT; 190 191 #define hpt_lock_vbus(vbus_ext) mtx_lock(&(vbus_ext)->lock) 192 #define hpt_unlock_vbus(vbus_ext) mtx_unlock(&(vbus_ext)->lock) 193 #define hpt_assert_vbus_locked(vbus_ext) mtx_assert(&(vbus_ext)->lock, MA_OWNED) 194 195 196 #define HPT_OSM_TIMEOUT (120*hz) /* timeout value for OS commands */ 197 198 #define HPT_DO_IOCONTROL _IOW('H', 0, HPT_IOCTL_PARAM) 199 200 #define HPT_SCAN_BUS _IO('H', 1) 201 202 #define TASK_ENQUEUE(task) taskqueue_enqueue(taskqueue_swi,(task)); 203 204 static __inline int hpt_sleep(PVBUS_EXT vbus_ext, void *ident, int priority, const char *wmesg, int timo) 205 { 206 return msleep(ident, &vbus_ext->lock, priority, wmesg, timo); 207 } 208