Messages in this thread Patch in this message | | | Date | Thu, 26 May 2005 17:18:06 +1000 | From | Stephen Rothwell <> | Subject | [PATCH] ppc64 iSeries: make virtual DVD-RAMs writable again |
| |
Hi Andrew,
It appears that another test has been added in the Uniform CDROM layer that must be passed before a DVD-RAM is considered wrieable. This patch implements an emulation of the needed packet command for the viocd driver.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
-- Cheers, Stephen Rothwell sfr@canb.auug.org.au http://www.canb.auug.org.au/~sfr/
diff -ruNp linus/drivers/cdrom/viocd.c linus-viocd.dvd/drivers/cdrom/viocd.c --- linus/drivers/cdrom/viocd.c 2005-05-20 09:03:44.000000000 +1000 +++ linus-viocd.dvd/drivers/cdrom/viocd.c 2005-05-13 16:00:10.000000000 +1000 @@ -488,6 +488,20 @@ static int viocd_packet(struct cdrom_dev & (CDC_DVD_RAM | CDC_RAM)) != 0; } break; + case GPCMD_GET_CONFIGURATION: + if (cgc->cmd[3] == CDF_RWRT) { + struct rwrt_feature_desc *rfd = (struct rwrt_feature_desc *)(cgc->buffer + sizeof(struct feature_header)); + + if ((buflen >= + (sizeof(struct feature_header) + sizeof(*rfd))) && + (cdi->ops->capability & ~cdi->mask + & (CDC_DVD_RAM | CDC_RAM))) { + rfd->feature_code = cpu_to_be16(CDF_RWRT); + rfd->curr = 1; + ret = 0; + } + } + break; default: if (cgc->sense) { /* indicate Unknown code */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |