Re: [Qemu-devel] [PATCH RFC 10/11] ide: corrected ATAPI checks to be ignored by ATAPI-SCSI bridge

[Hannes Reinecke <hare@suse.de>]

On 08/18/2015 01:42 AM, Alexander Bezzubikov wrote:
> Signed-off-by: Alexander Bezzubikov <abezzubikov@ispras.ru>
> ---
>  hw/ide/atapi.c | 18 ++++++++++--------
>  1 file changed, 10 insertions(+), 8 deletions(-)
> 
> diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c
> index 6e73910..896f595 100644
> --- a/hw/ide/atapi.c
> +++ b/hw/ide/atapi.c
> @@ -1230,7 +1230,8 @@ void ide_atapi_cmd(IDEState *s)
>       * states rely on this behavior.
>       */
>      if (!(atapi_cmd_table[s->io_buffer[0]].flags & ALLOW_UA) &&
> -        !s->tray_open && blk_is_inserted(s->blk) && s->cdrom_changed) {
> +        (s->drive_kind != IDE_BRIDGE && !s->tray_open &&
> +        blk_is_inserted(s->blk) && s->cdrom_changed)) {
>  
>          if (s->cdrom_changed == 1) {
>              ide_atapi_cmd_error(s, NOT_READY, ASC_MEDIUM_NOT_PRESENT);
> @@ -1245,18 +1246,13 @@ void ide_atapi_cmd(IDEState *s)
>  
>      /* Report a Not Ready condition if appropriate for the command */
>      if ((atapi_cmd_table[s->io_buffer[0]].flags & CHECK_READY) &&
> -        (!media_present(s) || !blk_is_inserted(s->blk)))
> +        (s->drive_kind != IDE_BRIDGE &&
> +            (!media_present(s) || !blk_is_inserted(s->blk))))
>      {
>          ide_atapi_cmd_error(s, NOT_READY, ASC_MEDIUM_NOT_PRESENT);
>          return;
>      }
>  
> -    /* Execute the command */
> -    if (atapi_cmd_table[s->io_buffer[0]].handler) {
> -        atapi_cmd_table[s->io_buffer[0]].handler(s, buf);
> -        return;
> -    }
> -
>      if (s->drive_kind == IDE_BRIDGE) {
>          IDEDevice *dev = s->bus->master;
>          SCSIDevice *scsi_dev = scsi_device_find(&dev->scsi_bus, 0, 0, 0);
> @@ -1273,5 +1269,11 @@ void ide_atapi_cmd(IDEState *s)
>          return;
>      }
>  
> +    /* Execute the command */
> +    if (atapi_cmd_table[s->io_buffer[0]].handler) {
> +        atapi_cmd_table[s->io_buffer[0]].handler(s, buf);
> +        return;
> +    }
> +
>      ide_atapi_cmd_error(s, ILLEGAL_REQUEST, ASC_ILLEGAL_OPCODE);
>  }
> 
Please merge it with patch 3.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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