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cebix |
1.1 |
/* |
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* scsidump.cpp - SCSI Dump (to see FreeBSD remappings) |
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* Compile as (CAM version): gcc -I/sys -DCAM -o scsidump scsidump.cpp -lcam |
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* (old SCSI version): gcc -o scsidump scsidump.cpp -lscsi |
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* Copyright (C) 1999 Orlando Bassotto |
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* |
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* Basilisk II (C) 1997-1999 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* History: |
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* 29-Jun-1999 Started |
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* 05-Jul-1999 Changed from array to queue removing the limit of 8 |
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* devices. |
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* Implemented old SCSI manager for FreeBSD 2.x. |
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* (Note: This implementation have been never tested; |
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* I don't own anymore a machine with FreeBSD 2.x, |
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* so if something goes wrong, please mail me at |
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* future@mediabit.net). |
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*/ |
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#include <sys/ioctl.h> |
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#include <sys/types.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <ctype.h> |
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#include <err.h> |
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#ifdef CAM |
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#include <cam/cam.h> |
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#include <cam/cam_debug.h> |
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#include <cam/cam_ccb.h> |
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#include <cam/scsi/scsi_all.h> |
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#include <cam/scsi/scsi_da.h> |
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#include <cam/scsi/scsi_pass.h> |
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#include <cam/scsi/scsi_message.h> |
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#include <camlib.h> |
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#else /* !CAM */ |
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#include <sys/scsiio.h> |
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#include <scsi.h> |
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#endif /* !CAM */ |
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#undef u_int8_t |
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#define u_int8_t unsigned char |
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typedef struct _SCSIDevice { |
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int controller; // SCSI Controller |
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int controller_bus; // SCSI Controller Bus |
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char controller_name[33]; // SCSI Controller name |
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int mac_unit; // Macintosh SCSI ID (remapped) |
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int faked_controller; // "Faked" SCSI Controller (Always 0) |
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int faked_unit; // "Faked" SCSI ID |
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int unit; // Real SCSI ID |
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int lun; // Real SCSI LUN |
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u_int8_t vendor[16]; // SCSI Vendor |
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u_int8_t product[48]; // SCSI Product |
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u_int8_t revision[16]; // SCSI Revision |
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char device[33]; // SCSI Device |
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#ifdef CAM |
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char pass_device[33]; // SCSI Pass Device |
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#else /* !CAM */ |
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int dev_fd; // Device File Descriptor |
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#endif /* !CAM */ |
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void* dev_ptr; // Pointer to CAM/SCSI structure |
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bool enabled; // Device enabled ? |
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struct _SCSIDevice* next; // Pointer to the next device |
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} SCSIDevice; |
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static int nDevices = 0; |
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static SCSIDevice* Devices = NULL; |
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inline static SCSIDevice* _GetSCSIDeviceByID(int id) |
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{ |
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SCSIDevice* aux = Devices; |
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while(aux) { |
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if(aux->faked_unit==id) { |
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return aux; |
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} |
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aux = aux->next; |
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} |
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return NULL; |
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} |
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inline static SCSIDevice* _GetSCSIDeviceByIDLUN(int id, int lun) |
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{ |
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SCSIDevice* aux = Devices; |
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while(aux) { |
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if(aux->faked_unit==id&&aux->lun==lun) { |
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return aux; |
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} |
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aux = aux->next; |
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} |
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return NULL; |
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} |
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inline static SCSIDevice* _GetSCSIDeviceByMacID(int id) |
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{ |
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SCSIDevice* aux = Devices; |
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while(aux) { |
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if(aux->mac_unit==id) { |
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return aux; |
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} |
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aux = aux->next; |
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} |
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return NULL; |
| 121 |
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} |
| 122 |
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inline static SCSIDevice* _GetSCSIDeviceByMacIDLUN(int id, int lun) |
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{ |
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SCSIDevice* aux = Devices; |
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while(aux) { |
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if(aux->mac_unit==id&&aux->lun==lun) { |
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return aux; |
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} |
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aux = aux->next; |
| 131 |
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} |
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return NULL; |
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} |
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inline static SCSIDevice* _AllocNewDevice() |
| 136 |
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{ |
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SCSIDevice* aux; |
| 138 |
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aux = new SCSIDevice; |
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if(aux==NULL) return NULL; |
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memset(aux, 0, sizeof(SCSIDevice)); |
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aux->next = Devices; |
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Devices = aux; |
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return aux; |
| 145 |
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} |
| 146 |
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| 147 |
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/* |
| 148 |
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* _Build_SCSI_Controller() |
| 149 |
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* |
| 150 |
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* This function builds a virtual SCSI Controller (Controller=0) |
| 151 |
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* where keeps all the devices found, this is due the fact |
| 152 |
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* I have two SCSI controllers in my PC. :-) |
| 153 |
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* Use FreeBSD-SCSIDump in contrib/ to see how is remapped your |
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* SCSI device (only if you have more than one controller, |
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* that's for sure :-). |
| 156 |
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*/ |
| 157 |
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| 158 |
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#define GET_FREE_ID(id) \ |
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{ \ |
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for(int x=0;x<32;x++) { \ |
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if(!(busyIDs&(1<<(x+1)))) { \ |
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id = x; \ |
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break; \ |
| 164 |
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} \ |
| 165 |
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} \ |
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} |
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static void _Build_SCSI_Controller() |
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{ |
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unsigned int id = 0; |
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unsigned long long busyIDs = 0x0ll; |
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SCSIDevice* aux, * dev; |
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// What IDs are busy? |
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dev = Devices; |
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while(dev) { |
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dev->enabled = false; |
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dev->faked_controller = 0; |
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dev->faked_unit = dev->unit; |
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busyIDs |= (1 << (dev->unit+1)); |
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dev = dev->next; |
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} |
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// Find out the duplicate IDs and change them |
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dev = Devices, aux = NULL; |
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while(dev) { |
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aux = dev; |
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while(aux) { |
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SCSIDevice* dev1, * dev2; |
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dev1 = dev, dev2 = aux; |
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if(dev1->controller!=dev2->controller&& |
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dev1->unit==dev2->unit) { |
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int free_id; |
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GET_FREE_ID(free_id); |
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busyIDs |= (1<<(free_id+1)); |
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dev1->faked_unit = free_id; |
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} |
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aux = aux->next; |
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} |
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dev = dev->next; |
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} |
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// Now reorder the queue |
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dev = Devices; |
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while(dev) { |
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aux = dev; |
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while(aux) { |
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SCSIDevice* dev1, * dev2; |
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dev1 = dev, dev2 = aux; |
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/* |
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if(dev1->faked_unit>dev2->faked_unit) { |
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SCSIDevice tmp; |
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memcpy(&tmp, dev1, sizeof(SCSIDevice)); |
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memcpy(dev1, dev2, sizeof(SCSIDevice)); |
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memcpy(dev2, &tmp, sizeof(SCSIDevice)); |
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} |
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*/ |
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aux = aux->next; |
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} |
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dev = dev->next; |
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} |
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} |
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#define SCSIReset() |
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/* |
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* Initialization |
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*/ |
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void SCSIInit(void) |
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{ |
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// Find the SCSI hosts in the system |
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// Filling out the SCSIDevices queue. |
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// Stolen from camcontrol.c |
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int bufsize, fd; |
| 240 |
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int need_close = 0; |
| 241 |
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int error = 0; |
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int skip_device = 0; |
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SCSIDevice* Dev, * dev, * PrevDev = NULL; |
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nDevices = 0; |
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#ifdef CAM |
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union ccb ccb; |
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if ((fd = open(XPT_DEVICE, O_RDWR)) == -1) { |
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fprintf(stderr, "Cannot open CAM device: %s\n", XPT_DEVICE); |
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goto no_scsi; |
| 253 |
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} |
| 254 |
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| 255 |
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memset(&(&ccb.ccb_h)[1], 0, sizeof(struct ccb_dev_match)-sizeof(struct ccb_hdr)); |
| 256 |
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ccb.ccb_h.func_code = XPT_DEV_MATCH; |
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bufsize = sizeof(struct dev_match_result) * 100; |
| 258 |
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ccb.cdm.match_buf_len = bufsize; |
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ccb.cdm.matches = (struct dev_match_result *)malloc(bufsize); |
| 260 |
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ccb.cdm.num_matches = 0; |
| 261 |
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| 262 |
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ccb.cdm.num_patterns = 0; |
| 263 |
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ccb.cdm.pattern_buf_len = 0; |
| 264 |
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| 265 |
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do { |
| 266 |
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Dev = _AllocNewDevice(); |
| 267 |
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if(ioctl(fd, CAMIOCOMMAND, &ccb)==-1) { |
| 268 |
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fprintf(stderr, "Error sending CAMIOCOMMAND ioctl\n"); |
| 269 |
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return; |
| 270 |
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} |
| 271 |
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| 272 |
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if((ccb.ccb_h.status != CAM_REQ_CMP) |
| 273 |
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|| ((ccb.cdm.status != CAM_DEV_MATCH_LAST) |
| 274 |
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&& (ccb.cdm.status != CAM_DEV_MATCH_MORE))) { |
| 275 |
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fprintf(stderr, "Got CAM error %#x, CDM error %d\n", |
| 276 |
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ccb.ccb_h.status, ccb.cdm.status); |
| 277 |
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return; |
| 278 |
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} |
| 279 |
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| 280 |
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char current_controller_name[33]; |
| 281 |
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int current_controller = -1; |
| 282 |
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for(int i=0;i<ccb.cdm.num_matches;i++) { |
| 283 |
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switch(ccb.cdm.matches[i].type) { |
| 284 |
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case DEV_MATCH_BUS: |
| 285 |
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{ |
| 286 |
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struct bus_match_result* bus_result; |
| 287 |
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| 288 |
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bus_result = &ccb.cdm.matches[i].result.bus_result; |
| 289 |
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| 290 |
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if(bus_result->path_id==-1) break; |
| 291 |
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Dev->controller = bus_result->path_id; |
| 292 |
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snprintf(Dev->controller_name, sizeof(Dev->controller_name), "%s%d", |
| 293 |
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bus_result->dev_name, |
| 294 |
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bus_result->unit_number); |
| 295 |
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strncpy(current_controller_name, Dev->controller_name, sizeof(current_controller_name)); |
| 296 |
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current_controller = Dev->controller; |
| 297 |
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Dev->controller_bus = bus_result->bus_id; |
| 298 |
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break; |
| 299 |
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} |
| 300 |
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case DEV_MATCH_DEVICE: |
| 301 |
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{ |
| 302 |
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struct device_match_result* dev_result; |
| 303 |
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char tmpstr[256]; |
| 304 |
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| 305 |
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dev_result = &ccb.cdm.matches[i].result.device_result; |
| 306 |
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if(current_controller==-1||dev_result->target_id==-1) { |
| 307 |
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skip_device = 1; |
| 308 |
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break; |
| 309 |
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} |
| 310 |
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else skip_device = 0; |
| 311 |
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| 312 |
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cam_strvis(Dev->vendor, (u_int8_t*)dev_result->inq_data.vendor, |
| 313 |
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sizeof(dev_result->inq_data.vendor), |
| 314 |
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sizeof(Dev->vendor)); |
| 315 |
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cam_strvis(Dev->product, (u_int8_t*)dev_result->inq_data.product, |
| 316 |
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sizeof(dev_result->inq_data.product), |
| 317 |
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sizeof(Dev->product)); |
| 318 |
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cam_strvis(Dev->revision, (u_int8_t*)dev_result->inq_data.revision, |
| 319 |
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sizeof(dev_result->inq_data.revision), |
| 320 |
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sizeof(Dev->revision)); |
| 321 |
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strncpy(Dev->controller_name, current_controller_name, sizeof(Dev->controller_name)); |
| 322 |
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Dev->controller = current_controller; |
| 323 |
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Dev->unit = dev_result->target_id; |
| 324 |
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Dev->lun = dev_result->target_lun; |
| 325 |
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break; |
| 326 |
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} |
| 327 |
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case DEV_MATCH_PERIPH: |
| 328 |
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{ |
| 329 |
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struct periph_match_result* periph_result; |
| 330 |
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| 331 |
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periph_result = &ccb.cdm.matches[i].result.periph_result; |
| 332 |
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| 333 |
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if(skip_device != 0) break; |
| 334 |
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| 335 |
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if(need_close==1) { |
| 336 |
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snprintf(Dev->device, sizeof(Dev->device), "%s%d*", |
| 337 |
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periph_result->periph_name, |
| 338 |
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periph_result->unit_number); |
| 339 |
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need_close = 0; |
| 340 |
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} |
| 341 |
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else if(need_close==0) { |
| 342 |
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snprintf(Dev->pass_device, sizeof(Dev->pass_device), "%s%d", |
| 343 |
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periph_result->periph_name, |
| 344 |
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periph_result->unit_number); |
| 345 |
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need_close++; |
| 346 |
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break; |
| 347 |
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} |
| 348 |
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else { |
| 349 |
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need_close = 0; |
| 350 |
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} |
| 351 |
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PrevDev = Dev; |
| 352 |
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Dev = _AllocNewDevice(); |
| 353 |
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break; |
| 354 |
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} |
| 355 |
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} |
| 356 |
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} |
| 357 |
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} while (ccb.ccb_h.status == CAM_REQ_CMP |
| 358 |
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&& ccb.cdm.status == CAM_DEV_MATCH_MORE); |
| 359 |
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| 360 |
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/* Remove last one (ugly coding) */ |
| 361 |
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Devices = PrevDev; |
| 362 |
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delete Dev; |
| 363 |
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end_loop: |
| 364 |
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close(fd); |
| 365 |
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#else /* !CAM */ |
| 366 |
|
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/* |
| 367 |
|
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* FreeBSD 2.x SCSI management is quiet different and |
| 368 |
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* unfortunatly not flexible as CAM library in FreeBSD 3.x... |
| 369 |
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* I only scan for the first bus, LUN 0, and the |
| 370 |
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* first 8 devices only. |
| 371 |
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*/ |
| 372 |
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u_char* inq_buf; |
| 373 |
|
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scsireq_t* scsireq; |
| 374 |
|
|
struct scsi_addr scsi; |
| 375 |
|
|
int ssc_fd; |
| 376 |
|
|
|
| 377 |
|
|
if((ssc_fd=open("/dev/ssc", O_RDWR))==-1) { |
| 378 |
|
|
fprintf(stderr, "Cannot open SCSI manager: /dev/ssc\n"); |
| 379 |
|
|
SCSIReset(); |
| 380 |
|
|
return; |
| 381 |
|
|
} |
| 382 |
|
|
|
| 383 |
|
|
inq_buf = (u_char*)malloc(96); |
| 384 |
|
|
if(inq_buf==NULL) { |
| 385 |
|
|
perror("malloc failed"); |
| 386 |
|
|
SCSIReset(); |
| 387 |
|
|
return; |
| 388 |
|
|
} |
| 389 |
|
|
|
| 390 |
|
|
scsireq = scsireq_build((scsireq_t*)dev->dev_ptr, |
| 391 |
|
|
96, inq_buf, SCCMD_READ, |
| 392 |
|
|
"12 0 0 0 v 0", 96); |
| 393 |
|
|
|
| 394 |
|
|
addr.scbus = 0; |
| 395 |
|
|
addr.lun = 0; |
| 396 |
|
|
|
| 397 |
|
|
for(int n=0;n<8;n++) { |
| 398 |
|
|
addr.target = n; |
| 399 |
|
|
|
| 400 |
|
|
if(ioctl(ssc_fd, SCIOCADDR, &addr) != -1) { |
| 401 |
|
|
Dev = _AllocNewDevice(); |
| 402 |
|
|
Dev->controller = addr.scbus; |
| 403 |
|
|
Dev->lun = addr.lun; |
| 404 |
|
|
Dev->unit = addr.target; |
| 405 |
|
|
|
| 406 |
|
|
struct scsi_devinfo devInfo; |
| 407 |
|
|
devInfo.addr = addr; |
| 408 |
|
|
if(ioctl(ssc_fd, SCIOCGETDEVINFO, &devInfo) != -1) { |
| 409 |
|
|
strncpy(Dev->device, devInfo.devname, sizeof(Dev->device)); |
| 410 |
|
|
} |
| 411 |
|
|
strncpy(Dev->controller_name, "FreeBSD 2.x SCSI Manager", sizeof(Dev->controller_name)); |
| 412 |
|
|
if(scsireq_enter(ssc_fd, scsireq)!=-1) { |
| 413 |
|
|
Dev->vendor[sizeof(Dev->vendor)-1] = 0; |
| 414 |
|
|
Dev->product[sizeof(Dev->product)-1] = 0; |
| 415 |
|
|
Dev->revision[sizeof(Dev->revision)-1] = 0; |
| 416 |
|
|
|
| 417 |
|
|
scsireq_decode(scsireq, "s8 c8 c16 c4", |
| 418 |
|
|
Dev->vendor, Dev->product, Dev->revision); |
| 419 |
|
|
} |
| 420 |
|
|
} |
| 421 |
|
|
} |
| 422 |
|
|
free(inq_buf); |
| 423 |
|
|
close(ssc_fd); |
| 424 |
|
|
#endif /* !CAM */ |
| 425 |
|
|
_Build_SCSI_Controller(); |
| 426 |
|
|
|
| 427 |
|
|
// Print out the periph with ID:LUNs |
| 428 |
|
|
fprintf(stderr, "Device RealID FkdID\n"); |
| 429 |
|
|
fprintf(stderr, "----------------------------------------------\n"); |
| 430 |
|
|
// 012345678901234567890123456789012 0:0:0 0/0 |
| 431 |
|
|
dev = Devices; |
| 432 |
|
|
while(dev) { |
| 433 |
|
|
char tmp[40]; |
| 434 |
|
|
snprintf(tmp, sizeof(tmp), "%s %s %s", |
| 435 |
|
|
dev->vendor, |
| 436 |
|
|
dev->product, |
| 437 |
|
|
dev->revision); |
| 438 |
|
|
fprintf(stderr, "%-33s %d:%d:%d %d/%d\n", |
| 439 |
|
|
tmp, dev->controller, dev->unit, dev->lun, |
| 440 |
|
|
dev->faked_unit, dev->lun); |
| 441 |
|
|
dev = dev->next; |
| 442 |
|
|
} |
| 443 |
|
|
|
| 444 |
|
|
no_scsi: |
| 445 |
|
|
// Reset SCSI bus |
| 446 |
|
|
SCSIReset(); |
| 447 |
|
|
} |
| 448 |
|
|
|
| 449 |
|
|
|
| 450 |
|
|
/* |
| 451 |
|
|
* Deinitialization |
| 452 |
|
|
*/ |
| 453 |
|
|
|
| 454 |
|
|
void SCSIExit(void) |
| 455 |
|
|
{ |
| 456 |
|
|
SCSIDevice* aux; |
| 457 |
|
|
while(Devices) { |
| 458 |
|
|
aux = Devices->next; |
| 459 |
|
|
if(Devices->dev_ptr!=NULL) { |
| 460 |
|
|
#ifdef CAM |
| 461 |
|
|
cam_close_device((struct cam_device*)Devices->dev_ptr); |
| 462 |
|
|
#else /* !CAM */ |
| 463 |
|
|
free(Devices->dev_ptr); // Is this right? |
| 464 |
|
|
close(Devices->dev_fd); // And this one? |
| 465 |
|
|
#endif /* !CAM */ |
| 466 |
|
|
} |
| 467 |
|
|
delete Devices; |
| 468 |
|
|
Devices = aux; |
| 469 |
|
|
} |
| 470 |
|
|
nDevices = 0; |
| 471 |
|
|
} |
| 472 |
|
|
|
| 473 |
|
|
int main() |
| 474 |
|
|
{ |
| 475 |
|
|
SCSIInit(); |
| 476 |
|
|
SCSIExit(); |
| 477 |
|
|
return 0; |
| 478 |
|
|
} |
