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Re: [Qemu-devel] [PATCH] qga-win: Adding support for Windows Server 2019
From: |
Tomáš Golembiovský |
Subject: |
Re: [Qemu-devel] [PATCH] qga-win: Adding support for Windows Server 2019 get-osinfo command |
Date: |
Wed, 13 Feb 2019 15:04:18 +0100 |
On Wed, 19 Dec 2018 10:40:51 +0200
Bishara AbuHattoum <address@hidden> wrote:
> Since Windows Server 2016, Microsoft stopped upgrading the major and minor
> versions of their new Windows Server product, so, the current functionality
> of checking major and minor version numbers to determine the Windows Server
> version wont work as expected.
> The implemented solution here is to use the build number in addition to the
> major and minor version numbers of the product to determine the Windows
> Server product version.
> The final build number of Windows Server 2016 is 14939, and
> the final build number of Windows Server 2019 is 17764, so any Windows
> Server product that has the major version of 10 and minor version of 0
> with a build number lower or equal to 14939 will resemble 2016 and if the
> build number is lower or equal to 17763 will resemble 2019.
>
> Reference:
> https://techcommunity.microsoft.com/t5/Windows-Server-Insiders/Windows-Server-2019-version-info/m-p/293112/highlight/true#M859
>
> Signed-off-by: Bishara AbuHattoum <address@hidden>
> ---
> qga/commands-win32.c | 29 +++++++++++++++++++++++++++--
> 1 file changed, 27 insertions(+), 2 deletions(-)
>
> diff --git a/qga/commands-win32.c b/qga/commands-win32.c
> index 62e1b51..3985b40 100644
> --- a/qga/commands-win32.c
> +++ b/qga/commands-win32.c
> @@ -2009,12 +2009,24 @@ static ga_matrix_lookup_t const
> WIN_VERSION_MATRIX[2][8] = {
> { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"},
> { 6, 2, "Microsoft Windows Server 2012", "2012"},
> { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"},
> - {10, 0, "Microsoft Windows Server 2016", "2016"},
> + { 0, 0, 0},
> { 0, 0, 0},
> { 0, 0, 0}
> }
> };
>
> +typedef struct _ga_win_10_0_server_t {
> + int final_build;
> + char const *version;
> + char const *version_id;
> +} ga_win_10_0_server_t;
> +
> +static ga_win_10_0_server_t const WIN_10_0_SERVER_VERSION_MATRIX[3] = {
> + {14393, "Microsoft Windows Server 2016", "2016"},
> + {17763, "Microsoft Windows Server 2019", "2019"},
> + {0, 0}
> +};
> +
> static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
> {
> typedef NTSTATUS(WINAPI * rtl_get_version_t)(
> @@ -2039,10 +2051,23 @@ static char *ga_get_win_name(OSVERSIONINFOEXW const
> *os_version, bool id)
> {
> DWORD major = os_version->dwMajorVersion;
> DWORD minor = os_version->dwMinorVersion;
> + DWORD build = os_version->dwBuildNumber;
> int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION);
> ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx];
> + ga_win_10_0_server_t const *win_10_0_table =
> WIN_10_0_SERVER_VERSION_MATRIX;
> while (table->version != NULL) {
> - if (major == table->major && minor == table->minor) {
> + if (major == 10 && minor == 0 && tbl_idx) {
> + while (win_10_0_table->version != NULL) {
> + if (build <= win_10_0_table->final_build) {
You should reverse the order of entries in you table for this to work,
or break after first match. Otherwise you will always match the last
entry.
Tomas
> + if (id) {
> + return g_strdup(win_10_0_table->version_id);
> + } else {
> + return g_strdup(win_10_0_table->version);
> + }
> + }
> + win_10_0_table++;
> + }
> + } else if (major == table->major && minor == table->minor) {
> if (id) {
> return g_strdup(table->version_id);
> } else {
> --
> 1.8.3.1
>
>
--
Tomáš Golembiovský <address@hidden>
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