Displaying 6 results from an estimated 6 matches for "iovec_count".
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2016 Feb 01
1
Advice on virtio, or any virtualization solution for hdparm
...d guest?
My strace of hdparm from within the guest (just "-e ioctl" is traced):
ioctl(3, HDIO_GET_MULTCOUNT, 0x618ef0) = -1 EINVAL (Invalid argument)
ioctl(3, SG_IO, {'S', SG_DXFER_FROM_DEV, cmd[16]=[85, 08, 0e, 00, 00, 00,
01, 00, 00, 00, 00, 00, 00, 40, ec, 00], mx_sb_len=32, iovec_count=0,
dxfer_len=512, timeout=15000, flags=0,
data[512]=["@\0\377?7\310\20\0\0\0\0\0?\0\0\0\0\0\0\0HPAD0409105B"...],
status=00, masked_status=00, sb[0]=[], host_status=0, driver_status=0,
resid=0, duration=184, info=0}) = 0
ioctl(3, HDIO_GET_IDENTITY, 0x7fffda088500) = -1 EINVAL (Invalid arg...
2009 Oct 27
0
[PATCH 4/4] megasas: Add SCSI command emulation
...+ b/hw/megasas.c
@@ -661,40 +661,55 @@ static int megasas_handle_scsi(MPTState *s, uint8_t fcmd,
}
}
- memset(&cmd->hdr, 0, sizeof(struct sg_io_hdr));
- cmd->hdr.interface_id = 'S';
- cmd->hdr.cmd_len = cdb_len;
- cmd->hdr.cmdp = cdb;
- cmd->hdr.iovec_count = cmd->sge_count;
- cmd->hdr.dxferp = cmd->iov;
- for (n = 0; n < cmd->sge_count; n++)
- cmd->hdr.dxfer_len += cmd->iov[n].iov_len;
- if (cmd->sge_count) {
- if (dir)
- cmd->hdr.dxfer_direction = SG_DXFER_TO_DEV;
- else
- cmd->hdr.dxfer_direction = SG_...
2009 Oct 27
0
[PATCH 4/4] megasas: Add SCSI command emulation
...+ b/hw/megasas.c
@@ -661,40 +661,55 @@ static int megasas_handle_scsi(MPTState *s, uint8_t fcmd,
}
}
- memset(&cmd->hdr, 0, sizeof(struct sg_io_hdr));
- cmd->hdr.interface_id = 'S';
- cmd->hdr.cmd_len = cdb_len;
- cmd->hdr.cmdp = cdb;
- cmd->hdr.iovec_count = cmd->sge_count;
- cmd->hdr.dxferp = cmd->iov;
- for (n = 0; n < cmd->sge_count; n++)
- cmd->hdr.dxfer_len += cmd->iov[n].iov_len;
- if (cmd->sge_count) {
- if (dir)
- cmd->hdr.dxfer_direction = SG_DXFER_TO_DEV;
- else
- cmd->hdr.dxfer_direction = SG_...
2007 Jan 02
0
[PATCH 1/4] add scsi-target and IO_CMD_EPOLL_WAIT patches
...ile, requ
+ unsigned long start_time;
+ int writing = 0, ret = 0;
+ struct request *rq;
+- struct bio *bio;
+ char sense[SCSI_SENSE_BUFFERSIZE];
+ unsigned char cmd[BLK_MAX_CDB];
+
+@@ -258,30 +257,6 @@ static int sg_io(struct file *file, requ
+ if (!rq)
+ return -ENOMEM;
+
+- if (hdr->iovec_count) {
+- const int size = sizeof(struct sg_iovec) * hdr->iovec_count;
+- struct sg_iovec *iov;
+-
+- iov = kmalloc(size, GFP_KERNEL);
+- if (!iov) {
+- ret = -ENOMEM;
+- goto out;
+- }
+-
+- if (copy_from_user(iov, hdr->dxferp, size)) {
+- kfree(iov);
+- ret = -EFAULT;
+- goto ou...
2009 Oct 27
1
[PATCH 2/4] megasas: LSI MegaRAID SAS HBA emulation
...utbuf[3] = 8;
+ cmd->iov[0].iov_len = 16;
+ sense_len = 0;
+ goto out;
+ break;
+ }
+ }
+
+ memset(&cmd->hdr, 0, sizeof(struct sg_io_hdr));
+ cmd->hdr.interface_id = 'S';
+ cmd->hdr.cmd_len = cdb_len;
+ cmd->hdr.cmdp = cdb;
+ cmd->hdr.iovec_count = cmd->sge_count;
+ cmd->hdr.dxferp = cmd->iov;
+ for (n = 0; n < cmd->sge_count; n++)
+ cmd->hdr.dxfer_len += cmd->iov[n].iov_len;
+ if (cmd->sge_count) {
+ if (dir)
+ cmd->hdr.dxfer_direction = SG_DXFER_TO_DEV;
+ else
+ cmd->hdr.dxfer_direction = SG_...
2009 Oct 27
1
[PATCH 2/4] megasas: LSI MegaRAID SAS HBA emulation
...utbuf[3] = 8;
+ cmd->iov[0].iov_len = 16;
+ sense_len = 0;
+ goto out;
+ break;
+ }
+ }
+
+ memset(&cmd->hdr, 0, sizeof(struct sg_io_hdr));
+ cmd->hdr.interface_id = 'S';
+ cmd->hdr.cmd_len = cdb_len;
+ cmd->hdr.cmdp = cdb;
+ cmd->hdr.iovec_count = cmd->sge_count;
+ cmd->hdr.dxferp = cmd->iov;
+ for (n = 0; n < cmd->sge_count; n++)
+ cmd->hdr.dxfer_len += cmd->iov[n].iov_len;
+ if (cmd->sge_count) {
+ if (dir)
+ cmd->hdr.dxfer_direction = SG_DXFER_TO_DEV;
+ else
+ cmd->hdr.dxfer_direction = SG_...