diff options
| author | mav <mav@FreeBSD.org> | 2014-07-04 15:09:56 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2014-07-04 15:09:56 +0000 |
| commit | 526d9691dc41731b56a019d4782c7b4afd32ed69 (patch) | |
| tree | 4b2d4e75ae2043ea9ffe4463d2fc047bed17b809 /sys/cam/scsi | |
| parent | d05fb522b2035acc7e6098820b2261b67ce56c46 (diff) | |
| download | FreeBSD-src-526d9691dc41731b56a019d4782c7b4afd32ed69.zip FreeBSD-src-526d9691dc41731b56a019d4782c7b4afd32ed69.tar.gz | |
MFC r267051:
- Add support for SG_GET_SG_TABLESIZE IOCTL to report that we don't support
scatter/gather lists.
- Return error for still unsupported SG 3.x API read/write calls.
Diffstat (limited to 'sys/cam/scsi')
| -rw-r--r-- | sys/cam/scsi/scsi_sg.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/cam/scsi/scsi_sg.c b/sys/cam/scsi/scsi_sg.c index 715b48a..3e80ac3 100644 --- a/sys/cam/scsi/scsi_sg.c +++ b/sys/cam/scsi/scsi_sg.c @@ -627,6 +627,13 @@ sgioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) break; } + case SG_GET_SG_TABLESIZE: + { + int *size = (int *)arg; + *size = 0; + break; + } + case SG_EMULATED_HOST: case SG_SET_TRANSFORM: case SG_GET_TRANSFORM: @@ -638,7 +645,6 @@ sgioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) case SG_GET_ACCESS_COUNT: case SG_SET_FORCE_LOW_DMA: case SG_GET_LOW_DMA: - case SG_GET_SG_TABLESIZE: case SG_SET_FORCE_PACK_ID: case SG_GET_PACK_ID: case SG_SET_RESERVED_SIZE: @@ -684,6 +690,12 @@ sgwrite(struct cdev *dev, struct uio *uio, int ioflag) if (error) goto out_hdr; + /* XXX: We don't support SG 3.x read/write API. */ + if (hdr->reply_len < 0) { + error = ENODEV; + goto out_hdr; + } + ccb = xpt_alloc_ccb(); if (ccb == NULL) { error = ENOMEM; |
