[v2,2/3] tools/xenctrl: add xc_get_cpu_version()

Commit Message

Sergey Dyasli Feb. 28, 2023, 5:39 p.m. UTC

As a wrapper for XENPF_get_cpu_version platform op.

Signed-off-by: Sergey Dyasli <[e-mail]>
---
 tools/include/xenctrl.h   |  1 +
 tools/libs/ctrl/xc_misc.c | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+)

Patch

diff --git a/tools/include/xenctrl.h b/tools/include/xenctrl.h
index 23037874d3..8aa747dc2e 100644
--- a/tools/include/xenctrl.h
+++ b/tools/include/xenctrl.h
@@ -1186,6 +1186,7 @@  int xc_physinfo(xc_interface *xch, xc_physinfo_t *info);
 int xc_cputopoinfo(xc_interface *xch, unsigned *max_cpus,
                    xc_cputopo_t *cputopo);
 int xc_microcode_update(xc_interface *xch, const void *buf, size_t len);
+int xc_get_cpu_version(xc_interface *xch, struct xenpf_pcpu_version *cpu_ver);
 int xc_numainfo(xc_interface *xch, unsigned *max_nodes,
                 xc_meminfo_t *meminfo, uint32_t *distance);
 int xc_pcitopoinfo(xc_interface *xch, unsigned num_devs,
diff --git a/tools/libs/ctrl/xc_misc.c b/tools/libs/ctrl/xc_misc.c
index 265f15ec2d..f2f6e4348e 100644
--- a/tools/libs/ctrl/xc_misc.c
+++ b/tools/libs/ctrl/xc_misc.c
@@ -226,6 +226,26 @@  int xc_microcode_update(xc_interface *xch, const void *buf, size_t len)
     return ret;
 }
 
+int xc_get_cpu_version(xc_interface *xch, struct xenpf_pcpu_version *cpu_ver)
+{
+    int ret;
+    DECLARE_PLATFORM_OP;
+
+    if ( !xch || !cpu_ver )
+        return -1;
+
+    platform_op.cmd = XENPF_get_cpu_version;
+    platform_op.u.pcpu_version.xen_cpuid = cpu_ver->xen_cpuid;
+
+    ret = do_platform_op(xch, &platform_op);
+    if ( ret != 0 )
+        return ret;
+
+    *cpu_ver = platform_op.u.pcpu_version;
+
+    return 0;
+}
+
 int xc_cputopoinfo(xc_interface *xch, unsigned *max_cpus,
                    xc_cputopo_t *cputopo)
 {