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cebix |
1.1 |
/* |
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* scsi_freebsd.cpp - SCSI Manager, FreeBSD SCSI Driver implementation |
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* Copyright (C) 1999 Orlando Bassotto |
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* |
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cebix |
1.2 |
* Basilisk II (C) 1997-2000 Christian Bauer |
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cebix |
1.1 |
* |
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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 management for FreeBSD 2.x. |
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* (Note: This implementation hasn't been 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 to |
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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 <errno.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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#include "sysdeps.h" |
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#include "main.h" |
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#include "prefs.h" |
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#include "user_strings.h" |
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#include "scsi.h" |
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#define DEBUG 0 |
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#include "debug.h" |
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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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static uint32 buffer_size; |
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static uint8* buffer = NULL; |
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static uint8 the_cmd[12]; |
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static int the_cmd_len; |
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static SCSIDevice* CurrentDevice = 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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| 128 |
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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; |
| 138 |
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} |
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| 140 |
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inline static SCSIDevice* _GetSCSIDeviceByMacIDLUN(int id, int lun) |
| 141 |
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{ |
| 142 |
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SCSIDevice* aux = Devices; |
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while(aux) { |
| 144 |
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if(aux->mac_unit==id&&aux->lun==lun) { |
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return aux; |
| 146 |
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} |
| 147 |
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aux = aux->next; |
| 148 |
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} |
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return NULL; |
| 150 |
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} |
| 151 |
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| 152 |
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inline static SCSIDevice* _AllocNewDevice() |
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{ |
| 154 |
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SCSIDevice* aux; |
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| 156 |
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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; |
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} |
| 163 |
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| 164 |
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#ifdef CAM |
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inline static struct cam_device* _GetCurrentSCSIDevice() |
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{ |
| 167 |
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if(CurrentDevice==NULL) return NULL; |
| 168 |
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| 169 |
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return (struct cam_device*)CurrentDevice->dev_ptr; |
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} |
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#else /* !CAM */ |
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inline static struct scsireq* _GetCurrentSCSIDevice() |
| 173 |
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{ |
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if(CurrentDevice==NULL) return NULL; |
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return (struct scsireq*)CurrentDevice->dev_ptr; |
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} |
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#endif /* !CAM */ |
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/* |
| 181 |
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* _Build_SCSI_Controller() |
| 182 |
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* |
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* This function builds a virtual SCSI Controller (Controller=0) |
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* where keeps all the devices found, this is due the fact |
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* I have two SCSI controllers in my PC. :-) |
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* Use 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 :-). |
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* If you have only one controller, remapping does not take act. |
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*/ |
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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; \ |
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} \ |
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} \ |
| 200 |
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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 remap them |
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dev = Devices, aux = NULL; |
| 220 |
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while(dev) { |
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aux = dev; |
| 222 |
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while(aux) { |
| 223 |
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SCSIDevice* dev1, * dev2; |
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dev1 = dev, dev2 = aux; |
| 226 |
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if(dev1->controller!=dev2->controller&& |
| 228 |
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dev1->unit==dev2->unit) { |
| 229 |
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int free_id; |
| 230 |
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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; |
| 233 |
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} |
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aux = aux->next; |
| 235 |
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} |
| 236 |
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dev = dev->next; |
| 237 |
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} |
| 238 |
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| 239 |
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// Now reorder the queue |
| 240 |
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#if 0 |
| 241 |
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dev = Devices; |
| 242 |
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while(dev) { |
| 243 |
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aux = dev; |
| 244 |
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while(aux) { |
| 245 |
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SCSIDevice* dev1, * dev2; |
| 246 |
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| 247 |
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dev1 = dev, dev2 = aux; |
| 248 |
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if(dev1->faked_unit>dev2->faked_unit) { |
| 249 |
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SCSIDevice tmp; |
| 250 |
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| 251 |
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memcpy(&tmp, dev1, sizeof(SCSIDevice)); |
| 252 |
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memcpy(dev1, dev2, sizeof(SCSIDevice)); |
| 253 |
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memcpy(dev2, &tmp, sizeof(SCSIDevice)); |
| 254 |
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} |
| 255 |
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aux = aux->next; |
| 256 |
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} |
| 257 |
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dev = dev->next; |
| 258 |
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} |
| 259 |
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#endif |
| 260 |
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| 261 |
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// Now open the selected SCSI devices :-) |
| 262 |
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for(int n=0;n<8;n++) { |
| 263 |
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char tmp[25]; |
| 264 |
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| 265 |
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snprintf(tmp, sizeof(tmp), "scsi%d", n); |
| 266 |
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const char* scsi = PrefsFindString(tmp); |
| 267 |
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if(scsi) { |
| 268 |
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int id, lun; |
| 269 |
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| 270 |
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// The format is: RemappedID (or FakedID)/LUN |
| 271 |
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sscanf(scsi, "%d/%d", &id, &lun); |
| 272 |
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| 273 |
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SCSIDevice* dev = _GetSCSIDeviceByIDLUN(id, lun); |
| 274 |
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if(dev==NULL) continue; |
| 275 |
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dev->enabled = true; |
| 276 |
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dev->mac_unit = n; |
| 277 |
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| 278 |
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#ifdef CAM |
| 279 |
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struct cam_device* cam; |
| 280 |
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| 281 |
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cam = cam_open_btl(dev->controller, |
| 282 |
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dev->unit, |
| 283 |
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dev->lun, O_RDWR, NULL); |
| 284 |
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if(cam==NULL) { |
| 285 |
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fprintf(stderr, "Failed to open %d:%d:%d = %s!!!\n", |
| 286 |
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dev->controller, dev->unit, dev->lun, |
| 287 |
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cam_errbuf); |
| 288 |
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} |
| 289 |
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dev->dev_ptr = (void*)cam; |
| 290 |
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#else /* !CAM */ |
| 291 |
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dev->dev_fd = scsi_open(dev->device, O_RDWR); |
| 292 |
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if(dev->dev_fd<0) { |
| 293 |
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perror("Failed to open %d:%d:%d"); |
| 294 |
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} |
| 295 |
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else { |
| 296 |
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dev->dev_ptr = (void*)scsireq_new(); |
| 297 |
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} |
| 298 |
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#endif /* !CAM */ |
| 299 |
|
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} |
| 300 |
|
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} |
| 301 |
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} |
| 302 |
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| 303 |
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| 304 |
|
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/* |
| 305 |
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* Initialization |
| 306 |
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*/ |
| 307 |
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| 308 |
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void SCSIInit(void) |
| 309 |
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{ |
| 310 |
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// Finds the SCSI hosts in the system filling the SCSIDevices queue. |
| 311 |
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// "Stolen" from camcontrol.c |
| 312 |
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// Copyright (C) 1997-99 Kenneth D. Merry |
| 313 |
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// Old SCSI detection "stolen" from scsi.c |
| 314 |
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// Copyright (C) 1993 Julian Elischer |
| 315 |
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// |
| 316 |
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int bufsize, fd; |
| 317 |
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int need_close = 0; |
| 318 |
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int error = 0; |
| 319 |
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int skip_device = 0; |
| 320 |
|
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SCSIDevice* Dev, * dev, * PrevDev = NULL; |
| 321 |
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| 322 |
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nDevices = 0; |
| 323 |
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| 324 |
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if(PrefsFindBool("noscsi")) |
| 325 |
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goto no_scsi; |
| 326 |
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| 327 |
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#ifdef CAM |
| 328 |
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union ccb ccb; |
| 329 |
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if ((fd = open(XPT_DEVICE, O_RDWR)) == -1) { |
| 330 |
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fprintf(stderr, "WARNING: Cannot open CAM device %s (%s)\n", XPT_DEVICE, strerror(errno)); |
| 331 |
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goto no_scsi; |
| 332 |
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} |
| 333 |
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|
| 334 |
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memset(&(&ccb.ccb_h)[1], 0, sizeof(struct ccb_dev_match)-sizeof(struct ccb_hdr)); |
| 335 |
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ccb.ccb_h.func_code = XPT_DEV_MATCH; |
| 336 |
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bufsize = sizeof(struct dev_match_result) * 100; |
| 337 |
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ccb.cdm.match_buf_len = bufsize; |
| 338 |
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ccb.cdm.matches = (struct dev_match_result *)malloc(bufsize); |
| 339 |
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ccb.cdm.num_matches = 0; |
| 340 |
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| 341 |
|
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ccb.cdm.num_patterns = 0; |
| 342 |
|
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ccb.cdm.pattern_buf_len = 0; |
| 343 |
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| 344 |
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do { |
| 345 |
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Dev = _AllocNewDevice(); |
| 346 |
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if(ioctl(fd, CAMIOCOMMAND, &ccb)==-1) { |
| 347 |
|
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fprintf(stderr, "Error sending CAMIOCOMMAND ioctl\n"); |
| 348 |
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return; |
| 349 |
|
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} |
| 350 |
|
|
|
| 351 |
|
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if((ccb.ccb_h.status != CAM_REQ_CMP) |
| 352 |
|
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|| ((ccb.cdm.status != CAM_DEV_MATCH_LAST) |
| 353 |
|
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&& (ccb.cdm.status != CAM_DEV_MATCH_MORE))) { |
| 354 |
|
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fprintf(stderr, "Got CAM error %#x, CDM error %d\n", |
| 355 |
|
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ccb.ccb_h.status, ccb.cdm.status); |
| 356 |
|
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return; |
| 357 |
|
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} |
| 358 |
|
|
|
| 359 |
|
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char current_controller_name[33]; |
| 360 |
|
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int current_controller = -1; |
| 361 |
|
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for(int i=0;i<ccb.cdm.num_matches;i++) { |
| 362 |
|
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switch(ccb.cdm.matches[i].type) { |
| 363 |
|
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case DEV_MATCH_BUS: |
| 364 |
|
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{ |
| 365 |
|
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struct bus_match_result* bus_result; |
| 366 |
|
|
|
| 367 |
|
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bus_result = &ccb.cdm.matches[i].result.bus_result; |
| 368 |
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|
| 369 |
|
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if(bus_result->path_id==-1) break; |
| 370 |
|
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Dev->controller = bus_result->path_id; |
| 371 |
|
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snprintf(Dev->controller_name, sizeof(Dev->controller_name), "%s%d", |
| 372 |
|
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bus_result->dev_name, |
| 373 |
|
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bus_result->unit_number); |
| 374 |
|
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strncpy(current_controller_name, Dev->controller_name, sizeof(current_controller_name)); |
| 375 |
|
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current_controller = Dev->controller; |
| 376 |
|
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Dev->controller_bus = bus_result->bus_id; |
| 377 |
|
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break; |
| 378 |
|
|
} |
| 379 |
|
|
case DEV_MATCH_DEVICE: |
| 380 |
|
|
{ |
| 381 |
|
|
struct device_match_result* dev_result; |
| 382 |
|
|
char tmpstr[256]; |
| 383 |
|
|
|
| 384 |
|
|
dev_result = &ccb.cdm.matches[i].result.device_result; |
| 385 |
|
|
if(current_controller==-1||dev_result->target_id==-1) { |
| 386 |
|
|
skip_device = 1; |
| 387 |
|
|
break; |
| 388 |
|
|
} |
| 389 |
|
|
else skip_device = 0; |
| 390 |
|
|
|
| 391 |
|
|
cam_strvis(Dev->vendor, (u_int8_t*)dev_result->inq_data.vendor, |
| 392 |
|
|
sizeof(dev_result->inq_data.vendor), |
| 393 |
|
|
sizeof(Dev->vendor)); |
| 394 |
|
|
cam_strvis(Dev->product, (u_int8_t*)dev_result->inq_data.product, |
| 395 |
|
|
sizeof(dev_result->inq_data.product), |
| 396 |
|
|
sizeof(Dev->product)); |
| 397 |
|
|
cam_strvis(Dev->revision, (u_int8_t*)dev_result->inq_data.revision, |
| 398 |
|
|
sizeof(dev_result->inq_data.revision), |
| 399 |
|
|
sizeof(Dev->revision)); |
| 400 |
|
|
strncpy(Dev->controller_name, current_controller_name, sizeof(Dev->controller_name)); |
| 401 |
|
|
Dev->controller = current_controller; |
| 402 |
|
|
Dev->unit = dev_result->target_id; |
| 403 |
|
|
Dev->lun = dev_result->target_lun; |
| 404 |
|
|
break; |
| 405 |
|
|
} |
| 406 |
|
|
case DEV_MATCH_PERIPH: |
| 407 |
|
|
{ |
| 408 |
|
|
struct periph_match_result* periph_result; |
| 409 |
|
|
|
| 410 |
|
|
periph_result = &ccb.cdm.matches[i].result.periph_result; |
| 411 |
|
|
|
| 412 |
|
|
if(skip_device != 0) break; |
| 413 |
|
|
|
| 414 |
|
|
if(need_close==1) { |
| 415 |
|
|
snprintf(Dev->device, sizeof(Dev->device), "%s%d*", |
| 416 |
|
|
periph_result->periph_name, |
| 417 |
|
|
periph_result->unit_number); |
| 418 |
|
|
need_close = 0; |
| 419 |
|
|
} |
| 420 |
|
|
else if(need_close==0) { |
| 421 |
|
|
snprintf(Dev->pass_device, sizeof(Dev->pass_device), "%s%d", |
| 422 |
|
|
periph_result->periph_name, |
| 423 |
|
|
periph_result->unit_number); |
| 424 |
|
|
need_close++; |
| 425 |
|
|
break; |
| 426 |
|
|
} |
| 427 |
|
|
else { |
| 428 |
|
|
need_close = 0; |
| 429 |
|
|
} |
| 430 |
|
|
PrevDev = Dev; |
| 431 |
|
|
Dev = _AllocNewDevice(); |
| 432 |
|
|
break; |
| 433 |
|
|
} |
| 434 |
|
|
} |
| 435 |
|
|
} |
| 436 |
|
|
} while (ccb.ccb_h.status == CAM_REQ_CMP |
| 437 |
|
|
&& ccb.cdm.status == CAM_DEV_MATCH_MORE); |
| 438 |
|
|
|
| 439 |
|
|
/* Remove last one (ugly coding) */ |
| 440 |
|
|
Devices = PrevDev; |
| 441 |
|
|
delete Dev; |
| 442 |
|
|
end_loop: |
| 443 |
|
|
close(fd); |
| 444 |
|
|
#else /* !CAM */ |
| 445 |
|
|
/* |
| 446 |
|
|
* FreeBSD 2.x SCSI management is quiet different and |
| 447 |
|
|
* unfortunatly not flexible as CAM library in FreeBSD 3.x... |
| 448 |
|
|
* I probe only the first bus, LUN 0, and the |
| 449 |
|
|
* first 8 devices only. |
| 450 |
|
|
*/ |
| 451 |
|
|
u_char* inq_buf; |
| 452 |
|
|
scsireq_t* scsireq; |
| 453 |
|
|
struct scsi_addr scsi; |
| 454 |
|
|
int ssc_fd; |
| 455 |
|
|
|
| 456 |
|
|
if((ssc_fd=open("/dev/ssc", O_RDWR))==-1) { |
| 457 |
|
|
fprintf(stderr, "Cannot open SCSI manager: /dev/ssc\n"); |
| 458 |
|
|
SCSIReset(); |
| 459 |
|
|
return; |
| 460 |
|
|
} |
| 461 |
|
|
|
| 462 |
|
|
inq_buf = (u_char*)malloc(96); |
| 463 |
|
|
if(inq_buf==NULL) { |
| 464 |
|
|
perror("malloc failed"); |
| 465 |
|
|
SCSIReset(); |
| 466 |
|
|
return; |
| 467 |
|
|
} |
| 468 |
|
|
|
| 469 |
|
|
scsireq = scsireq_build((scsireq_t*)dev->dev_ptr, |
| 470 |
|
|
96, inq_buf, SCCMD_READ, |
| 471 |
|
|
"12 0 0 0 v 0", 96); |
| 472 |
|
|
|
| 473 |
|
|
addr.scbus = 0; |
| 474 |
|
|
addr.lun = 0; |
| 475 |
|
|
|
| 476 |
|
|
for(int n=0;n<8;n++) { |
| 477 |
|
|
addr.target = n; |
| 478 |
|
|
|
| 479 |
|
|
if(ioctl(ssc_fd, SCIOCADDR, &addr) != -1) { |
| 480 |
|
|
Dev = _AllocNewDevice(); |
| 481 |
|
|
Dev->controller = addr.scbus; |
| 482 |
|
|
Dev->lun = addr.lun; |
| 483 |
|
|
Dev->unit = addr.target; |
| 484 |
|
|
|
| 485 |
|
|
struct scsi_devinfo devInfo; |
| 486 |
|
|
devInfo.addr = addr; |
| 487 |
|
|
if(ioctl(ssc_fd, SCIOCGETDEVINFO, &devInfo) != -1) { |
| 488 |
|
|
strncpy(Dev->device, devInfo.devname, sizeof(Dev->device)); |
| 489 |
|
|
} |
| 490 |
|
|
strncpy(Dev->controller_name, "FreeBSD 2.x SCSI Manager", sizeof(Dev->controller_name)); |
| 491 |
|
|
if(scsireq_enter(ssc_fd, scsireq)!=-1) { |
| 492 |
|
|
Dev->vendor[sizeof(Dev->vendor)-1] = 0; |
| 493 |
|
|
Dev->product[sizeof(Dev->product)-1] = 0; |
| 494 |
|
|
Dev->revision[sizeof(Dev->revision)-1] = 0; |
| 495 |
|
|
|
| 496 |
|
|
scsireq_decode(scsireq, "s8 c8 c16 c4", |
| 497 |
|
|
Dev->vendor, Dev->product, Dev->revision); |
| 498 |
|
|
} |
| 499 |
|
|
} |
| 500 |
|
|
} |
| 501 |
|
|
free(inq_buf); |
| 502 |
|
|
close(ssc_fd); |
| 503 |
|
|
#endif /* !CAM */ |
| 504 |
|
|
_Build_SCSI_Controller(); |
| 505 |
|
|
|
| 506 |
|
|
// Print out the periph with ID:LUNs |
| 507 |
|
|
fprintf(stderr, "Device RealID FkdID MacID Enabled\n"); |
| 508 |
|
|
fprintf(stderr, "-------------------------------------------------------------\n"); |
| 509 |
|
|
// 012345678901234567890123456789012 0:0:0 0/0 0:0 Yes |
| 510 |
|
|
dev = Devices; |
| 511 |
|
|
while(dev) { |
| 512 |
|
|
char tmp[40]; |
| 513 |
|
|
snprintf(tmp, sizeof(tmp), "%s %s %s", |
| 514 |
|
|
dev->vendor, |
| 515 |
|
|
dev->product, |
| 516 |
|
|
dev->revision); |
| 517 |
|
|
fprintf(stderr, "%-33s %d:%d:%d %d/%d %d:%d %s\n", |
| 518 |
|
|
tmp, dev->controller, dev->unit, dev->lun, |
| 519 |
|
|
dev->faked_unit, dev->lun, |
| 520 |
|
|
dev->mac_unit, dev->lun, dev->enabled?"Yes":"No"); |
| 521 |
|
|
dev = dev->next; |
| 522 |
|
|
} |
| 523 |
|
|
|
| 524 |
|
|
no_scsi: |
| 525 |
|
|
// Reset SCSI bus |
| 526 |
|
|
SCSIReset(); |
| 527 |
|
|
} |
| 528 |
|
|
|
| 529 |
|
|
|
| 530 |
|
|
/* |
| 531 |
|
|
* Deinitialization |
| 532 |
|
|
*/ |
| 533 |
|
|
|
| 534 |
|
|
void SCSIExit(void) |
| 535 |
|
|
{ |
| 536 |
|
|
SCSIDevice* aux; |
| 537 |
|
|
while(Devices) { |
| 538 |
|
|
aux = Devices->next; |
| 539 |
|
|
if(Devices->dev_ptr!=NULL) { |
| 540 |
|
|
#ifdef CAM |
| 541 |
|
|
cam_close_device((struct cam_device*)Devices->dev_ptr); |
| 542 |
|
|
#else /* !CAM */ |
| 543 |
|
|
free(Devices->dev_ptr); // Is this right? |
| 544 |
|
|
close(Devices->dev_fd); // And this one? |
| 545 |
|
|
#endif /* !CAM */ |
| 546 |
|
|
} |
| 547 |
|
|
delete Devices; |
| 548 |
|
|
Devices = aux; |
| 549 |
|
|
} |
| 550 |
|
|
nDevices = 0; |
| 551 |
|
|
} |
| 552 |
|
|
|
| 553 |
|
|
|
| 554 |
|
|
/* |
| 555 |
|
|
* Set SCSI command to be sent by scsi_send_cmd() |
| 556 |
|
|
*/ |
| 557 |
|
|
|
| 558 |
|
|
void scsi_set_cmd(int cmd_length, uint8 *cmd) |
| 559 |
|
|
{ |
| 560 |
|
|
the_cmd_len = cmd_length; |
| 561 |
|
|
memset(the_cmd, 0, sizeof(the_cmd)); |
| 562 |
|
|
memcpy(the_cmd, cmd, the_cmd_len); |
| 563 |
|
|
} |
| 564 |
|
|
|
| 565 |
|
|
|
| 566 |
|
|
/* |
| 567 |
|
|
* Check for presence of SCSI target |
| 568 |
|
|
*/ |
| 569 |
|
|
|
| 570 |
|
|
bool scsi_is_target_present(int id) |
| 571 |
|
|
{ |
| 572 |
|
|
return (_GetSCSIDeviceByMacID(id)!=NULL&&_GetSCSIDeviceByMacID(id)->enabled); |
| 573 |
|
|
} |
| 574 |
|
|
|
| 575 |
|
|
|
| 576 |
|
|
/* |
| 577 |
|
|
* Set SCSI target (returns false on error) |
| 578 |
|
|
*/ |
| 579 |
|
|
|
| 580 |
|
|
bool scsi_set_target(int id, int lun) |
| 581 |
|
|
{ |
| 582 |
|
|
SCSIDevice* dev; |
| 583 |
|
|
|
| 584 |
|
|
dev = _GetSCSIDeviceByMacIDLUN(id, lun); |
| 585 |
|
|
if(dev==NULL) return false; |
| 586 |
|
|
CurrentDevice = dev; |
| 587 |
|
|
return true; |
| 588 |
|
|
} |
| 589 |
|
|
|
| 590 |
|
|
|
| 591 |
|
|
/* |
| 592 |
|
|
* Send SCSI command to active target (scsi_set_command() must have been called), |
| 593 |
|
|
* read/write data according to S/G table (returns false on error) |
| 594 |
|
|
*/ |
| 595 |
|
|
|
| 596 |
|
|
static bool try_buffer(int size) |
| 597 |
|
|
{ |
| 598 |
|
|
if(size <= buffer_size) { |
| 599 |
|
|
return true; |
| 600 |
|
|
} |
| 601 |
|
|
|
| 602 |
|
|
D(bug("Allocating buffer of %d bytes.\n", size)); |
| 603 |
|
|
uint8* new_buffer = (uint8*)valloc(size); |
| 604 |
|
|
if(new_buffer==NULL) { |
| 605 |
|
|
return false; |
| 606 |
|
|
} |
| 607 |
|
|
if(buffer!=NULL) free(buffer); |
| 608 |
|
|
buffer = new_buffer; |
| 609 |
|
|
buffer_size = size; |
| 610 |
|
|
return true; |
| 611 |
|
|
} |
| 612 |
|
|
|
| 613 |
|
|
bool scsi_send_cmd(size_t data_length, bool reading, int sg_size, uint8 **sg_ptr, uint32 *sg_len, uint16 *stat, uint32 timeout) |
| 614 |
|
|
{ |
| 615 |
|
|
int value = 0; |
| 616 |
|
|
#ifdef CAM |
| 617 |
|
|
#ifdef VERBOSE_CAM_DEBUG |
| 618 |
|
|
D(bug("Sending command %x (len=%d) to SCSI Device %d:%d:%d\n", the_cmd[0], |
| 619 |
|
|
the_cmd_len, |
| 620 |
|
|
CurrentDevice->controller, |
| 621 |
|
|
CurrentDevice->unit, |
| 622 |
|
|
CurrentDevice->lun)); |
| 623 |
|
|
D(bug("DataLength: %d\n", data_length)); |
| 624 |
|
|
D(bug("Reading: %d\n", reading)); |
| 625 |
|
|
D(bug("SG Size: %d\n", sg_size)); |
| 626 |
|
|
D(bug("Timeout: %d\n", timeout)); |
| 627 |
|
|
#endif /* VERBOSE_CAM_DEBUG */ |
| 628 |
|
|
#endif /* CAM */ |
| 629 |
|
|
if(!try_buffer(data_length)) { |
| 630 |
|
|
char str[256]; |
| 631 |
|
|
sprintf(str, GetString(STR_SCSI_BUFFER_ERR), data_length); |
| 632 |
|
|
ErrorAlert(str); |
| 633 |
|
|
return false; |
| 634 |
|
|
} |
| 635 |
|
|
|
| 636 |
|
|
if(!reading) { |
| 637 |
|
|
uint8* buffer_ptr = buffer; |
| 638 |
|
|
for(int i=0;i<sg_size;i++) { |
| 639 |
|
|
uint32 len = sg_len[i]; |
| 640 |
|
|
memcpy(buffer, sg_ptr[i], len); |
| 641 |
|
|
buffer_ptr += len; |
| 642 |
|
|
} |
| 643 |
|
|
} |
| 644 |
|
|
|
| 645 |
|
|
if(the_cmd[0] == 0x03) { |
| 646 |
|
|
// faked cmd |
| 647 |
|
|
*stat = 0; |
| 648 |
|
|
return true; |
| 649 |
|
|
} |
| 650 |
|
|
|
| 651 |
|
|
|
| 652 |
|
|
#ifdef CAM |
| 653 |
|
|
struct cam_device* device = _GetCurrentSCSIDevice(); |
| 654 |
|
|
if(device==NULL) return false; |
| 655 |
|
|
|
| 656 |
|
|
union ccb ccb; |
| 657 |
|
|
|
| 658 |
|
|
memset(&ccb, 0, sizeof(ccb)); |
| 659 |
|
|
|
| 660 |
|
|
int dir_flags = CAM_DIR_NONE; |
| 661 |
|
|
if(data_length>0) { |
| 662 |
|
|
dir_flags = reading?CAM_DIR_IN:CAM_DIR_OUT; |
| 663 |
|
|
} |
| 664 |
|
|
|
| 665 |
|
|
ccb.ccb_h.path_id = CurrentDevice->controller; |
| 666 |
|
|
ccb.ccb_h.target_id = CurrentDevice->unit; |
| 667 |
|
|
ccb.ccb_h.target_lun = CurrentDevice->lun; |
| 668 |
|
|
|
| 669 |
|
|
cam_fill_csio(&ccb.csio, |
| 670 |
|
|
0, |
| 671 |
|
|
NULL, |
| 672 |
|
|
dir_flags, |
| 673 |
|
|
MSG_SIMPLE_Q_TAG, |
| 674 |
|
|
(u_int8_t*)buffer, |
| 675 |
|
|
data_length, |
| 676 |
|
|
SSD_FULL_SIZE, |
| 677 |
|
|
the_cmd_len, |
| 678 |
|
|
(timeout?timeout:50)*1000); |
| 679 |
|
|
|
| 680 |
|
|
ccb.ccb_h.flags |= CAM_DEV_QFRZDIS; |
| 681 |
|
|
|
| 682 |
|
|
memcpy(ccb.csio.cdb_io.cdb_bytes, the_cmd, the_cmd_len); |
| 683 |
|
|
|
| 684 |
|
|
if(cam_send_ccb(device, &ccb)<0) { |
| 685 |
|
|
fprintf(stderr, "%d:%d:%d ", CurrentDevice->controller, |
| 686 |
|
|
CurrentDevice->unit, CurrentDevice->lun); |
| 687 |
|
|
perror("cam_send_ccb"); |
| 688 |
|
|
return false; |
| 689 |
|
|
} |
| 690 |
|
|
|
| 691 |
|
|
value = ccb.ccb_h.status; |
| 692 |
|
|
*stat = ccb.csio.scsi_status; |
| 693 |
|
|
|
| 694 |
|
|
if((value & CAM_STATUS_MASK) != CAM_REQ_CMP) { |
| 695 |
|
|
char tmp[4096]; |
| 696 |
|
|
if((value & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR) { |
| 697 |
|
|
scsi_sense_string(device, &ccb.csio, tmp, sizeof(tmp)); |
| 698 |
|
|
fprintf(stderr, "SCSI Status Error:\n%s\n", tmp); |
| 699 |
|
|
return false; |
| 700 |
|
|
} |
| 701 |
|
|
} |
| 702 |
|
|
#else /* !CAM */ |
| 703 |
|
|
struct scsireq* scsireq = _GetCurrentSCSIDevice(); |
| 704 |
|
|
if(device==NULL) return false; |
| 705 |
|
|
|
| 706 |
|
|
int dir_flags = 0x00; |
| 707 |
|
|
if(data_length>0) dir_flags = reading?SCCMD_READ:SCCMD_WRITE; |
| 708 |
|
|
|
| 709 |
|
|
scsireq_reset(scsireq); |
| 710 |
|
|
scsireq->timeout = (timeout?timeout:50)*1000; |
| 711 |
|
|
scsireq_build(scsireq, data_length, |
| 712 |
|
|
(caddr_t)buffer, dir_flags, |
| 713 |
|
|
"0"); |
| 714 |
|
|
memcpy(scsireq->cmd, the_cmd, scsireq->cmdlen = the_cmd_len); |
| 715 |
|
|
|
| 716 |
|
|
int result = scsi_enter(dev->dev_fd, scsireq); |
| 717 |
|
|
if(SCSIREQ_ERROR(result)) { |
| 718 |
|
|
scsi_debug(stderr, result, scsireq); |
| 719 |
|
|
} |
| 720 |
|
|
*stat = scsireq->status; |
| 721 |
|
|
#endif /* !CAM */ |
| 722 |
|
|
|
| 723 |
|
|
if(reading) { |
| 724 |
|
|
uint8* buffer_ptr = buffer; |
| 725 |
|
|
for(int i=0;i<sg_size;i++) { |
| 726 |
|
|
uint32 len = sg_len[i]; |
| 727 |
|
|
memcpy(sg_ptr[i], buffer_ptr, len); |
| 728 |
|
|
#ifdef CAM |
| 729 |
|
|
#ifdef VERBOSE_CAM_DEBUG |
| 730 |
|
|
static char line[16]; |
| 731 |
|
|
for(int r=0, x=0;x<len;x++) { |
| 732 |
|
|
if(x!=0&&x%16==0) { D(bug("%s\n", line)); r = 0; } |
| 733 |
|
|
line[r++] = isprint(sg_ptr[i][x])?sg_ptr[i][x]:'.'; |
| 734 |
|
|
line[r] = 0; |
| 735 |
|
|
D(bug("%02x ", sg_ptr[i][x])); |
| 736 |
|
|
} |
| 737 |
|
|
#endif /* VERBOSE_CAM_DEBUG */ |
| 738 |
|
|
#endif /* CAM */ |
| 739 |
|
|
buffer_ptr += len; |
| 740 |
|
|
} |
| 741 |
|
|
} |
| 742 |
|
|
return true; |
| 743 |
|
|
} |
