[libvirt] [PATCH 05/14] conf: Introduce VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE
Pavel Hrdina
phrdina at redhat.com
Thu Nov 16 11:30:13 UTC 2017
On Wed, Nov 15, 2017 at 12:50:08PM +0100, Andrea Bolognani wrote:
> This is the first step in getting rid of the assumption that
> isa-serial is the default target type for serial devices.
>
> Signed-off-by: Andrea Bolognani <abologna at redhat.com>
> ---
> src/conf/domain_conf.c | 8 +++++---
> src/conf/domain_conf.h | 3 ++-
> src/qemu/qemu_command.c | 13 +++++++++++++
> src/qemu/qemu_domain.c | 21 +++++++++++++++++++++
> src/qemu/qemu_domain_address.c | 1 +
> 5 files changed, 42 insertions(+), 4 deletions(-)
>
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index bd3a23c0a..23ae68b9a 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -446,6 +446,7 @@ VIR_ENUM_IMPL(virDomainChrDeviceState, VIR_DOMAIN_CHR_DEVICE_STATE_LAST,
>
> VIR_ENUM_IMPL(virDomainChrSerialTarget,
> VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_LAST,
> + "none",
> "isa-serial",
> "usb-serial",
> "pci-serial")
> @@ -4014,7 +4015,7 @@ virDomainDefAddConsoleCompat(virDomainDefPtr def)
>
> /* modify it to be a serial port */
> def->serials[0]->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL;
> - def->serials[0]->targetType = VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA;
> + def->serials[0]->targetType = VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE;
> def->serials[0]->target.port = 0;
> } else {
> /* if the console source doesn't match */
> @@ -4038,7 +4039,8 @@ virDomainDefAddConsoleCompat(virDomainDefPtr def)
> def->serials[0]->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL) {
>
> switch ((virDomainChrSerialTargetType) def->serials[0]->targetType) {
> - case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA: {
> + case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA:
> + case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE: {
>
> /* Create a stub console to match the serial port.
> * console[0] either does not exist
> @@ -11479,7 +11481,7 @@ virDomainChrDefaultTargetType(int devtype)
> return VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_NONE;
>
> case VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL:
> - return VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA;
> + return VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE;
>
> case VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL:
> case VIR_DOMAIN_CHR_DEVICE_TYPE_LAST:
> diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
> index 41443a02c..645845dfc 100644
> --- a/src/conf/domain_conf.h
> +++ b/src/conf/domain_conf.h
> @@ -1081,7 +1081,8 @@ typedef enum {
> } virDomainChrDeviceType;
>
> typedef enum {
> - VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA = 0,
> + VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE = 0,
> + VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA,
> VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_USB,
> VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_PCI,
>
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 010c2992f..60bdcfb2a 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -9143,6 +9143,14 @@ qemuChrIsPlatformDevice(const virDomainDef *def,
> return true;
> }
>
> + /* If we got all the way here and we're still stuck with the default
> + * target type for a serial device, it means we have no clue what kind of
> + * device we're talking about and we must treat it as a platform device */
Missing full stop/period at the end of the sentence.
> + if (chr->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL &&
> + chr->targetType == VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE) {
> + return true;
> + }
> +
> return false;
> }
>
> @@ -10246,7 +10254,12 @@ qemuBuildSerialChrDeviceStr(char **deviceStr,
> }
> break;
>
> + case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE:
> case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_LAST:
> + /* Except from _LAST, which is just a guard value and will never
> + * be used, all of the above are platform devices, which means
> + * qemuBuildSerialCommandLine() will have taken the appropriate
> + * branch and we will not have ended up here */
Missing full stop/period at the end of the sentence.
> virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> _("Invalid target type for serial device"));
> goto error;
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index 2d5eee01e..15ab51dbd 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -4047,6 +4047,27 @@ qemuDomainChrDefPostParse(virDomainChrDefPtr chr,
> chr->targetType = VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO;
> }
>
> + /* Historically, isa-serial and the default matched, so in order to
> + * maintain backwards compatibility we map them here. The actual default
> + * will be picked below based on the architecture and machine type */
Missing full stop/period at the end of the sentence.
> + if (chr->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL &&
> + chr->targetType == VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA) {
> + chr->targetType = VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE;
> + }
> +
> + /* Set the default serial type */
> + if (chr->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL &&
> + chr->targetType == VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE) {
> + if (ARCH_IS_X86(def->os.arch)) {
> + chr->targetType = VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA;
> + } else if (qemuDomainIsPSeries(def)) {
> + /* Setting TYPE_ISA here is just a temporary hack to reduce test
> + * suite churn. Later on we will have a proper serial type for
> + * pSeries and this line will be updated accordingly */
Missing full stop/period at the end of the sentence.
> + chr->targetType = VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA;
> + }
> + }
> +
> return 0;
> }
>
> diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
> index 7f4ac0f45..989c0e6c9 100644
> --- a/src/qemu/qemu_domain_address.c
> +++ b/src/qemu/qemu_domain_address.c
> @@ -782,6 +782,7 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDefPtr dev,
>
> case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA:
> case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_USB:
> + case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_NONE:
> case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_LAST:
> return 0;
> }
Reviewed-by: Pavel Hrdina <phrdina at redhat.com>
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