From 0c6f08b0b0d0c758789cdb7257a48e873598bdbb Mon Sep 17 00:00:00 2001 From: Pavel Hrdina Date: Mon, 26 Nov 2012 16:37:39 +0100 Subject: [PATCH] atapi: make change media detection for guests easier If you have a guest with a media in the optical drive and you change it, the windows guest cannot properly recognize this media change. Windows needs to detect sense "NOT_READY with ASC_MEDIUM_NOT_PRESENT" before we send sense "UNIT_ATTENTION with ASC_MEDIUM_MAY_HAVE_CHANGED". Signed-off-by: Pavel Hrdina Signed-off-by: Kevin Wolf --- hw/ide/atapi.c | 15 ++++++++++----- hw/ide/core.c | 6 ------ 2 files changed, 10 insertions(+), 11 deletions(-) diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c index 685cbaa889..861fd2bec3 100644 --- a/hw/ide/atapi.c +++ b/hw/ide/atapi.c @@ -1124,12 +1124,17 @@ void ide_atapi_cmd(IDEState *s) * GET_EVENT_STATUS_NOTIFICATION to detect such tray open/close * states rely on this behavior. */ - if (!s->tray_open && bdrv_is_inserted(s->bs) && s->cdrom_changed) { - ide_atapi_cmd_error(s, NOT_READY, ASC_MEDIUM_NOT_PRESENT); + if (!(atapi_cmd_table[s->io_buffer[0]].flags & ALLOW_UA) && + !s->tray_open && bdrv_is_inserted(s->bs) && s->cdrom_changed) { + + if (s->cdrom_changed == 1) { + ide_atapi_cmd_error(s, NOT_READY, ASC_MEDIUM_NOT_PRESENT); + s->cdrom_changed = 2; + } else { + ide_atapi_cmd_error(s, UNIT_ATTENTION, ASC_MEDIUM_MAY_HAVE_CHANGED); + s->cdrom_changed = 0; + } - s->cdrom_changed = 0; - s->sense_key = UNIT_ATTENTION; - s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED; return; } diff --git a/hw/ide/core.c b/hw/ide/core.c index 8da894f240..c4f93d0e47 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -2160,12 +2160,6 @@ static int ide_drive_post_load(void *opaque, int version_id) { IDEState *s = opaque; - if (version_id < 3) { - if (s->sense_key == UNIT_ATTENTION && - s->asc == ASC_MEDIUM_MAY_HAVE_CHANGED) { - s->cdrom_changed = 1; - } - } if (s->identify_set) { bdrv_set_enable_write_cache(s->bs, !!(s->identify_data[85] & (1 << 5))); } -- 2.11.0