[PATCH 01/12] hyperv: XML parsing of serial ports

[Michal Privoznik]

On 1/22/21 9:18 PM, Matt Coleman wrote:
> Co-authored-by: Sri Ramanujam <sramanujam at datto.com>
> Signed-off-by: Matt Coleman <matt at datto.com>
> ---
>   src/hyperv/hyperv_driver.c            | 68 +++++++++++++++++++++++++++
>   src/hyperv/hyperv_wmi.c               | 10 ++++
>   src/hyperv/hyperv_wmi.h               |  4 ++
>   src/hyperv/hyperv_wmi_classes.h       |  1 +
>   src/hyperv/hyperv_wmi_generator.input |  5 ++
>   5 files changed, 88 insertions(+)
> 
> diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
> index bdc084790a..9bbbcfc88c 100644
> --- a/src/hyperv/hyperv_driver.c
> +++ b/src/hyperv/hyperv_driver.c
> @@ -1253,6 +1253,61 @@ hypervDomainDefParseStorage(hypervPrivate *priv,
>   }
>   
>   
> +static int
> +hypervDomainDefParseSerial(virDomainDefPtr def, Msvm_ResourceAllocationSettingData *rasd)
> +{
> +    int port_num = 0;
> +    char **conn = NULL;
> +    const char *srcPath = NULL;
> +    Msvm_ResourceAllocationSettingData *entry = rasd;
> +    virDomainChrDefPtr serial = NULL;
> +
> +    while (entry) {
> +        if (entry->data->ResourceType == MSVM_RASD_RESOURCETYPE_SERIAL_PORT) {
> +            /* clear some vars */
> +            serial = NULL;
> +            port_num = 0;
> +            conn = NULL;
> +            srcPath = NULL;


Well, you don't need to clear them if they'd be declared inside the loop :-)

> +
> +            /* get port number */
> +            port_num = entry->data->ElementName[4] - '0';
> +            if (port_num < 1) {
> +                entry = entry->next;
> +                continue;
> +            }
> +
> +            serial = virDomainChrDefNew(NULL);
> +
> +            serial->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL;
> +            serial->source->type = VIR_DOMAIN_CHR_TYPE_PIPE;
> +            serial->target.port = port_num;
> +
> +            /* set up source */
> +            if (entry->data->Connection.count < 1) {
> +                srcPath = "-1";
> +            } else {
> +                conn = entry->data->Connection.data;
> +                if (!*conn)
> +                    srcPath = "-1";
> +                else
> +                    srcPath = *conn;
> +            }
> +
> +            serial->source->data.file.path = g_strdup(srcPath);
> +
> +            if (VIR_APPEND_ELEMENT(def->serials, def->nserials, serial) < 0) {
> +                virDomainChrDefFree(serial);
> +                return -1;
> +            }
> +        }
> +
> +        entry = entry->next;
> +    }
> +
> +    return 0;
> +}
> +
>   

Michal