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Re: [Qemu-devel] [PATCH 02/10] Common: Add quick access to first boot de
From: |
Anthony Liguori |
Subject: |
Re: [Qemu-devel] [PATCH 02/10] Common: Add quick access to first boot device |
Date: |
Fri, 26 Apr 2013 11:37:18 -0500 |
User-agent: |
Notmuch/0.15.2+77~g661dcf8 (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu) |
Dominik Dingel <address@hidden> writes:
> Instead of manually parsing the boot_list as character stream,
> we can access the nth boot device, specified by the position in the
> boot order.
>
> Signed-off-by: Dominik Dingel <address@hidden>
>
Reviewed-by: Anthony Liguori <address@hidden>
Regards,
Anthony Liguori
> diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
> index 6578782..43b961c 100644
> --- a/include/sysemu/sysemu.h
> +++ b/include/sysemu/sysemu.h
> @@ -181,6 +181,8 @@ void add_boot_device_path(int32_t bootindex, DeviceState
> *dev,
> const char *suffix);
> char *get_boot_devices_list(size_t *size);
>
> +DeviceState *get_boot_device(uint32_t position);
> +
> bool usb_enabled(bool default_usb);
>
> extern QemuOptsList qemu_drive_opts;
> diff --git a/vl.c b/vl.c
> index 84d7031..429e6ea 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -1247,6 +1247,24 @@ void add_boot_device_path(int32_t bootindex,
> DeviceState *dev,
> QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
> }
>
> +DeviceState *get_boot_device(uint32_t position)
> +{
> + uint32_t counter = 0;
> + FWBootEntry *i = NULL;
> + DeviceState *res = NULL;
> +
> + if (!QTAILQ_EMPTY(&fw_boot_order)) {
> + QTAILQ_FOREACH(i, &fw_boot_order, link) {
> + if (counter == position) {
> + res = i->dev;
> + break;
> + }
> + counter++;
> + }
> + }
> + return res;
> +}
> +
> /*
> * This function returns null terminated string that consist of new line
> * separated device paths.
> --
> 1.7.9.5
- Re: [Qemu-devel] [PATCH 04/10] S390: check if BIOS is available and create links, (continued)
- [Qemu-devel] [PATCH 07/10] s390-ccw.img: Rudimentary error checking., Dominik Dingel, 2013/04/26
- [Qemu-devel] [PATCH 05/10] s390-ccw.img: Detect devices with stsch., Dominik Dingel, 2013/04/26
- [Qemu-devel] [PATCH 10/10] S390: Enabling device and program selection, Dominik Dingel, 2013/04/26
- [Qemu-devel] [PATCH 01/10] Common: Add a default bootindex for all applicable devices, Dominik Dingel, 2013/04/26
- [Qemu-devel] [PATCH 02/10] Common: Add quick access to first boot device, Dominik Dingel, 2013/04/26
- Re: [Qemu-devel] [PATCH 02/10] Common: Add quick access to first boot device,
Anthony Liguori <=
- Re: [Qemu-devel] [PATCH 00/10] S390: Enhance s390 BIOS to enable bootdevice selection, Alexander Graf, 2013/04/26