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 * $FreeBSD$ 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 82 typedef 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)) 106 INQUIRYDATA, *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 */ 117 extern const char driver_name[]; 118 extern const char driver_name_long[]; 119 extern const char driver_ver[]; 120 extern 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 2 129 130 typedef 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 } 149 HBA, *PHBA; 150 151 typedef 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 } 159 OS_CMDEXT, *POS_CMDEXT; 160 161 typedef 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 } 185 VBUS_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)); 199 200 static __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