aboutsummaryrefslogtreecommitdiff
path: root/system
diff options
context:
space:
mode:
authorRichard Henderson <richard.henderson@linaro.org>2024-06-05 07:45:23 -0700
committerRichard Henderson <richard.henderson@linaro.org>2024-06-05 07:45:23 -0700
commitf1572ab94738bd5787b7badcd4bd93a3657f0680 (patch)
tree96304b05bbda566ec6cf33bcbd3be3b84203b45a /system
parentd16cab541ab9217977e2a39abf3d79f914146741 (diff)
parentfc7a69e177e4ba26d11fcf47b853f85115b35a11 (diff)
downloadqemu-f1572ab94738bd5787b7badcd4bd93a3657f0680.zip
qemu-f1572ab94738bd5787b7badcd4bd93a3657f0680.tar.gz
qemu-f1572ab94738bd5787b7badcd4bd93a3657f0680.tar.bz2
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* virtio-blk: remove SCSI passthrough functionality * require x86-64-v2 baseline ISA * SEV-SNP host support * fix xsave.flat with TCG * fixes for CPUID checks done by TCG # -----BEGIN PGP SIGNATURE----- # # iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmZgKVYUHHBib256aW5p # QHJlZGhhdC5jb20ACgkQv/vSX3jHroPKYgf/QkWrNXdjjD3yAsv5LbJFVTVyCYW3 # b4Iax29kEDy8k9wbzfLxOfIk9jXIjmbOMO5ZN9LFiHK6VJxbXslsMh6hm50M3xKe # 49X1Rvf9YuVA7KZX+dWkEuqLYI6Tlgj3HaCilYWfXrjyo6hY3CxzkPV/ChmaeYlV # Ad4Y8biifoUuuEK8OTeTlcDWLhOHlFXylG3AXqULsUsXp0XhWJ9juXQ60eATv/W4 # eCEH7CSmRhYFu2/rV+IrWFYMnskLRTk1OC1/m6yXGPKOzgnOcthuvQfiUgPkbR/d # llY6Ni5Aaf7+XX3S7Avcyvoq8jXzaaMzOrzL98rxYGDR1sYBYO+4h4ZToA== # =qQeP # -----END PGP SIGNATURE----- # gpg: Signature made Wed 05 Jun 2024 02:01:10 AM PDT # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] * tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (46 commits) hw/i386: Add support for loading BIOS using guest_memfd hw/i386/sev: Use guest_memfd for legacy ROMs memory: Introduce memory_region_init_ram_guest_memfd() i386/sev: Allow measured direct kernel boot on SNP i386/sev: Reorder struct declarations i386/sev: Extract build_kernel_loader_hashes i386/sev: Enable KVM_HC_MAP_GPA_RANGE hcall for SNP guests i386/kvm: Add KVM_EXIT_HYPERCALL handling for KVM_HC_MAP_GPA_RANGE i386/sev: Invoke launch_updata_data() for SNP class i386/sev: Invoke launch_updata_data() for SEV class hw/i386/sev: Add support to encrypt BIOS when SEV-SNP is enabled i386/sev: Add support for SNP CPUID validation i386/sev: Add support for populating OVMF metadata pages hw/i386/sev: Add function to get SEV metadata from OVMF header i386/sev: Set CPU state to protected once SNP guest payload is finalized i386/sev: Add handling to encrypt/finalize guest launch data i386/sev: Add the SNP launch start context i386/sev: Update query-sev QAPI format to handle SEV-SNP i386/sev: Add a class method to determine KVM VM type for SNP guests i386/sev: Don't return launch measurements for SEV-SNP guests ... Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'system')
-rw-r--r--system/memory.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/system/memory.c b/system/memory.c
index 9540caa..74cd73e 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -3649,6 +3649,30 @@ bool memory_region_init_ram(MemoryRegion *mr,
return true;
}
+bool memory_region_init_ram_guest_memfd(MemoryRegion *mr,
+ Object *owner,
+ const char *name,
+ uint64_t size,
+ Error **errp)
+{
+ DeviceState *owner_dev;
+
+ if (!memory_region_init_ram_flags_nomigrate(mr, owner, name, size,
+ RAM_GUEST_MEMFD, errp)) {
+ return false;
+ }
+ /* This will assert if owner is neither NULL nor a DeviceState.
+ * We only want the owner here for the purposes of defining a
+ * unique name for migration. TODO: Ideally we should implement
+ * a naming scheme for Objects which are not DeviceStates, in
+ * which case we can relax this restriction.
+ */
+ owner_dev = DEVICE(owner);
+ vmstate_register_ram(mr, owner_dev);
+
+ return true;
+}
+
bool memory_region_init_rom(MemoryRegion *mr,
Object *owner,
const char *name,