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[Qemu-devel] [RFC QEMU PATCH v4 10/10] xen-hvm: enable building NFIT and
From: |
Haozhong Zhang |
Subject: |
[Qemu-devel] [RFC QEMU PATCH v4 10/10] xen-hvm: enable building NFIT and SSDT of vNVDIMM for HVM domains |
Date: |
Thu, 7 Dec 2017 18:18:12 +0800 |
When QEMU is used the device model of Xen HVM domain and vNVDIMM
devices are present, enable building ACPI tables related to vNVDIMM.
Signed-off-by: Haozhong Zhang <address@hidden>
---
Cc: Stefano Stabellini <address@hidden>
Cc: Anthony Perard <address@hidden>
Cc: "Michael S. Tsirkin" <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Cc: Richard Henderson <address@hidden>
Cc: Eduardo Habkost <address@hidden>
---
hw/i386/xen/xen-hvm.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/hw/i386/xen/xen-hvm.c b/hw/i386/xen/xen-hvm.c
index a7e99bd438..33447fc482 100644
--- a/hw/i386/xen/xen-hvm.c
+++ b/hw/i386/xen/xen-hvm.c
@@ -1236,6 +1236,11 @@ static void xen_wakeup_notifier(Notifier *notifier, void
*data)
xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 0);
}
+static bool xen_dm_acpi_build_enabled(PCMachineState *pcms)
+{
+ return pcms->acpi_nvdimm_state.is_enabled;
+}
+
static void xen_fw_cfg_init(PCMachineState *pcms)
{
FWCfgState *fw_cfg = fw_cfg_init_io(FW_CFG_IO_BASE);
@@ -1392,8 +1397,7 @@ void xen_hvm_init(PCMachineState *pcms, MemoryRegion
**ram_memory)
xen_be_register_common();
xen_read_physmap(state);
- /* Disable ACPI build because Xen handles it */
- pcms->acpi_build_enabled = false;
+ pcms->acpi_build_enabled = xen_dm_acpi_build_enabled(pcms);;
if (pcms->acpi_build_enabled) {
xen_fw_cfg_init(pcms);
}
@@ -1486,6 +1490,11 @@ void xen_acpi_build(AcpiBuildTables *tables, GArray
*table_offsets,
return;
}
+ if (pcms->acpi_nvdimm_state.is_enabled) {
+ nvdimm_build_acpi(table_offsets, tables_blob, tables->linker,
+ &pcms->acpi_nvdimm_state, machine->ram_slots);
+ }
+
/*
* QEMU RSDP and RSDT are only used by hvmloader to enumerate
* QEMU-built tables. HVM domains still use Xen-built RSDP and RSDT.
--
2.15.1
- [Qemu-devel] [RFC QEMU PATCH v4 00/10] Implement vNVDIMM for Xen HVM guest, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 01/10] xen-hvm: remove a trailing space, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 02/10] xen-hvm: create the hotplug memory region on Xen, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 04/10] nvdimm: do not intiailize nvdimm->label_data if label size is zero, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 03/10] hostmem-xen: add a host memory backend for Xen, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 05/10] xen-hvm: initialize fw_cfg interface, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 06/10] hw/acpi-build, xen-hvm: introduce a Xen-specific ACPI builder, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 07/10] xen-hvm: add functions to copy data from/to HVM memory, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 08/10] nvdimm acpi: add functions to access DSM memory on Xen, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 09/10] nvdimm acpi: add compatibility for 64-bit integer in ACPI 2.0 and later, Haozhong Zhang, 2017/12/07
- [Qemu-devel] [RFC QEMU PATCH v4 10/10] xen-hvm: enable building NFIT and SSDT of vNVDIMM for HVM domains,
Haozhong Zhang <=