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nvdimm, acpi: support NFIT platform capabilities

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Add a machine command line option to allow the user to control the Platform
Capabilities Structure in the virtualized NFIT.  This Platform Capabilities
Structure was added in ACPI 6.2 Errata A.

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Ross Zwisler 2018-05-21 10:32:02 -06:00 • committed by Michael S. Tsirkin
parent 2e0c56cdde
commit 9ab3aad281
5 changed files with 105 additions and 4 deletions
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1
include/hw/i386/pc.h
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@ -76,6 +76,7 @@ struct PCMachineState {
#define PC_MACHINE_VMPORT "vmport"
#define PC_MACHINE_SMM "smm"
#define PC_MACHINE_NVDIMM "nvdimm"
#define PC_MACHINE_NVDIMM_CAP "nvdimm-cap"
#define PC_MACHINE_SMBUS "smbus"
#define PC_MACHINE_SATA "sata"
#define PC_MACHINE_PIT "pit"

5
include/hw/mem/nvdimm.h
View file

@ -134,6 +134,11 @@ struct AcpiNVDIMMState {
/* the IO region used by OSPM to transfer control to QEMU. */
MemoryRegion io_mr;
/*
* Platform capabilities, section 5.2.25.9 of ACPI 6.2 Errata A
*/
int32_t capabilities;
};
typedef struct AcpiNVDIMMState AcpiNVDIMMState;