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Implement SCSI types in FreeBSD.

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This commit is contained in:
Natalia Portillo
2020-10-28 03:28:32 +00:00
parent 23fd141cfb
commit 6e69f5077d
1 changed files with 92 additions and 1 deletions
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93
freebsd/scsi.c
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@@ -15,7 +15,11 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "../aaruremote.h"
#include "freebsd.h"
@@ -32,5 +36,92 @@ int32_t SendScsiCommand(void* device_ctx,
uint32_t* buf_len,
uint32_t* sense_len)
{
return -1;
DeviceContext* ctx = device_ctx;
*sense_len = 0;
*sense_buffer = NULL;
*duration = 0;
union ccb* camccb;
u_int32_t flags;
int error;
switch(direction)
{
case AARUREMOTE_SCSI_DIRECTION_NONE:
flags = CAM_DIR_NONE;
break;
case AARUREMOTE_SCSI_DIRECTION_OUT:
flags = CAM_DIR_OUT;
break;
case AARUREMOTE_SCSI_DIRECTION_IN:
flags = CAM_DIR_IN;
break;
case AARUREMOTE_SCSI_DIRECTION_INOUT:
flags = CAM_DIR_BOTH;
break;
}
if(!ctx) return -1;
if(!ctx->device) return -1;
*sense_buffer = malloc(32);
if(!*sense_buffer) return -1;
camccb = cam_getccb(ctx->device);
if(!camccb) return -1;
camccb->ccb_h.func_code = XPT_SCSI_IO;
camccb->ccb_h.flags = flags;
camccb->ccb_h.xflags = 0;
camccb->ccb_h.retry_count = 1;
camccb->ccb_h.cbfcnp = NULL;
camccb->ccb_h.timeout = timeout;
camccb->csio.data_ptr = (u_int8_t *)buffer;
camccb->csio.dxfer_len = *buf_len;
camccb->csio.sense_len = 32;
camccb->csio.cdb_len = cdb_len;
camccb->csio.tag_action = 0x20;
if(cdb_len <= CAM_MAX_CDBLEN)
memcpy(camccb->csio.cdb_io.cdb_bytes, cdb, cdb_len);
else
{
camccb->csio.cdb_io.cdb_ptr = (u_int8_t *)cdb;
camccb->ccb_h.flags |= CAM_CDB_POINTER;
}
camccb->ccb_h.flags |= CAM_DEV_QFRZDIS;
// TODO: Measure duration
error = cam_send_ccb(ctx->device, camccb);
if(error < 0)
error = errno;
if((camccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP &&
(camccb->ccb_h.status & CAM_STATUS_MASK) != CAM_SCSI_STATUS_ERROR)
{
error = errno;
*sense = true;
}
if((camccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR)
{
*sense = true;
*sense_buffer = malloc(1);
(*sense_buffer)[0] = camccb->csio.scsi_status;
}
if((camccb->ccb_h.status & CAM_AUTOSNS_VALID) && camccb->csio.sense_len - camccb->csio.sense_resid > 0)
{
*sense = (camccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR;
*sense_buffer = malloc(camccb->csio.sense_len - camccb->csio.sense_resid);
(*sense_buffer)[0] = camccb->csio.sense_data.error_code;
memcpy((*sense_buffer)+1, camccb->csio.sense_data.sense_buf, (camccb->csio.sense_len - camccb->csio.sense_resid) - 1);
}
*buf_len = camccb->csio.dxfer_len;
return error;
}