287ca6da2e
23725-pci-add-device.patch 23762-iommu-fault-bm-off.patch 23763-pci-multi-seg-x2apic-vtd-no-crash.patch 23765-x86-irq-vector-leak.patch 23766-x86-msi-vf-bars.patch 23771-x86-ioapic-clear-pin.patch 23772-x86-trampoline.patch 23774-x86_64-EFI-EDD.patch 23776-x86-kexec-hpet-legacy-bcast-disable.patch 23781-pm-wide-ACPI-ids.patch 23782-x86-ioapic-clear-irr.patch 23783-ACPI-set-_PDC-bits.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=140
70 lines
2.2 KiB
Diff
70 lines
2.2 KiB
Diff
--- a/xen/arch/x86/platform_hypercall.c
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+++ b/xen/arch/x86/platform_hypercall.c
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@@ -23,7 +23,7 @@
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#include <xen/cpu.h>
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#include <asm/current.h>
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#include <public/platform.h>
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-#include <acpi/cpufreq/processor_perf.h>
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+#include <acpi/cpufreq/cpufreq.h>
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#include <asm/edd.h>
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#include <asm/mtrr.h>
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#include <asm/io_apic.h>
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@@ -63,6 +63,7 @@ long cpu_down_helper(void *data);
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ret_t do_platform_op(XEN_GUEST_HANDLE(xen_platform_op_t) u_xenpf_op)
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{
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ret_t ret = 0;
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+ struct vcpu *v;
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struct xen_platform_op curop, *op = &curop;
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if ( !IS_PRIV(current->domain) )
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@@ -522,6 +523,24 @@ ret_t do_platform_op(XEN_GUEST_HANDLE(xe
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op->u.mem_add.epfn,
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op->u.mem_add.pxm);
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break;
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+
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+ case XENPF_get_cpu_freq:
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+ if ( op->u.get_cpu_freq.vcpu >= current->domain->max_vcpus ||
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+ !(v = current->domain->vcpu[op->u.get_cpu_freq.vcpu]) )
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+ {
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+ ret = -EINVAL;
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+ break;
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+ }
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+
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+ op->u.get_cpu_freq.freq = per_cpu(cpufreq_cpu_policy, v->processor)
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+ ? cpufreq_driver->get
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+ ? cpufreq_driver->get(v->processor)
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+ : per_cpu(cpufreq_cpu_policy, v->processor)->cur
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+ : 0;
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+ if ( copy_field_to_guest(u_xenpf_op, op, u.get_cpu_freq.freq) )
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+ ret = -EFAULT;
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+ break;
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+
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default:
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ret = -ENOSYS;
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break;
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--- a/xen/include/public/platform.h
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+++ b/xen/include/public/platform.h
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@@ -451,6 +451,14 @@ struct xenpf_mem_hotadd
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uint32_t flags;
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};
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+#define XENPF_get_cpu_freq ('N' << 24)
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+struct xenpf_get_cpu_freq {
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+ /* IN variables */
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+ uint32_t vcpu;
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+ /* OUT variables */
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+ uint32_t freq; /* in kHz */
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+};
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+
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struct xen_platform_op {
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uint32_t cmd;
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uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
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@@ -471,6 +479,7 @@ struct xen_platform_op {
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struct xenpf_cpu_ol cpu_ol;
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struct xenpf_cpu_hotadd cpu_add;
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struct xenpf_mem_hotadd mem_add;
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+ struct xenpf_get_cpu_freq get_cpu_freq;
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uint8_t pad[128];
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} u;
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};
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