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/linux-6.14.4/arch/x86/hyperv/
Divm.c262 static int snp_set_vmsa(void *va, bool vmsa) in snp_set_vmsa() argument
267 * Running at VMPL0 allows the kernel to change the VMSA bit for a page in snp_set_vmsa()
274 if (vmsa) in snp_set_vmsa()
280 static void snp_cleanup_vmsa(struct sev_es_save_area *vmsa) in snp_cleanup_vmsa() argument
284 err = snp_set_vmsa(vmsa, false); in snp_cleanup_vmsa()
286 pr_err("clear VMSA page failed (%u), leaking page\n", err); in snp_cleanup_vmsa()
288 free_page((unsigned long)vmsa); in snp_cleanup_vmsa()
293 struct sev_es_save_area *vmsa = (struct sev_es_save_area *) in hv_snp_boot_ap() local
301 if (!vmsa) in hv_snp_boot_ap()
306 vmsa->gdtr.base = gdtr.address; in hv_snp_boot_ap()
[all …]
/linux-6.14.4/Documentation/devicetree/bindings/iommu/
Drenesas,ipmmu-vmsa.yaml4 $id: http://devicetree.org/schemas/iommu/renesas,ipmmu-vmsa.yaml#
7 title: Renesas VMSA-Compatible IOMMU
13 The IPMMU is an IOMMU implementation compatible with the ARM VMSA page tables.
31 - const: renesas,ipmmu-vmsa # R-Mobile APE6 or R-Car Gen2 or RZ/G1
54 - const: renesas,rcar-gen4-ipmmu-vmsa # R-Car Gen4
108 const: renesas,ipmmu-vmsa
117 const: renesas,rcar-gen4-ipmmu-vmsa
136 compatible = "renesas,ipmmu-r8a7791", "renesas,ipmmu-vmsa";
Dqcom,apq8064-iommu.yaml14 The MSM IOMMU is an implementation compatible with the ARM VMSA short
/linux-6.14.4/arch/x86/coco/sev/
Dcore.c102 * across the APs VMSA fields (TSC_SCALE and TSC_OFFSET).
1121 * If the kernel runs at VMPL0, it can change the VMSA in snp_set_vmsa()
1150 * Allocate VMSA page to work around the SNP erratum where the CPU will in snp_alloc_vmsa_page()
1152 * collides with the RMP entry of VMSA page. The recommended workaround in snp_alloc_vmsa_page()
1169 static void snp_cleanup_vmsa(struct sev_es_save_area *vmsa, int apic_id) in snp_cleanup_vmsa() argument
1173 err = snp_set_vmsa(vmsa, NULL, apic_id, false); in snp_cleanup_vmsa()
1175 pr_err("clear VMSA page failed (%u), leaking page\n", err); in snp_cleanup_vmsa()
1177 free_page((unsigned long)vmsa); in snp_cleanup_vmsa()
1182 struct sev_es_save_area *cur_vmsa, *vmsa; in wakeup_cpu_via_vmgexit() local
1221 * A new VMSA is created each time because there is no guarantee that in wakeup_cpu_via_vmgexit()
[all …]
/linux-6.14.4/arch/x86/kvm/svm/
Dsev.c806 struct sev_es_save_area *save = svm->sev_es.vmsa; in sev_es_sync_vmsa()
812 /* Check some debug related fields before encrypting the VMSA */ in sev_es_sync_vmsa()
817 * SEV-ES will use a VMSA that is pointed to by the VMCB, not in sev_es_sync_vmsa()
818 * the traditional VMSA that is part of the VMCB. Copy the in sev_es_sync_vmsa()
819 * traditional VMSA as it has been built so far (in prep in sev_es_sync_vmsa()
891 pr_debug("Virtual Machine Save Area (VMSA):\n"); in sev_es_sync_vmsa()
900 struct sev_data_launch_update_vmsa vmsa; in __sev_launch_update_vmsa() local
909 /* Perform some pre-encryption checks against the VMSA */ in __sev_launch_update_vmsa()
916 * the VMSA memory content (i.e it will write the same memory region in __sev_launch_update_vmsa()
919 clflush_cache_range(svm->sev_es.vmsa, PAGE_SIZE); in __sev_launch_update_vmsa()
[all …]
Dsvm.h217 struct sev_es_save_area *vmsa; member
238 struct mutex snp_vmsa_mutex; /* Used to handle concurrent updates of VMSA. */
/linux-6.14.4/Documentation/virt/kvm/x86/
Damd-memory-encryption.rst96 __u64 vmsa_features; /* initial value of features field in VMSA */
105 0 for SEV virtual machines, as they do not have a VMSA.
126 might set the debug swap VMSA feature (bit 5) depending on the value of the
312 report containing the SHA-256 digest of the guest memory and VMSA passed through the KVM_SEV_LAUNCH
/linux-6.14.4/drivers/iommu/
DMakefile15 obj-$(CONFIG_IPMMU_VMSA) += ipmmu-vmsa.o
Dipmmu-vmsa.c3 * IOMMU API for Renesas VMSA-compatible IPMMU
424 * VMSA states in section B3.6.3 "Control of Secure or Non-secure memory in ipmmu_domain_init_context()
955 .compatible = "renesas,ipmmu-vmsa",
997 .compatible = "renesas,rcar-gen4-ipmmu-vmsa",
1157 .name = "ipmmu-vmsa",
DKconfig282 bool "Renesas VMSA-compatible IPMMU"
290 Support for the Renesas VMSA-compatible IPMMU found in the R-Mobile
/linux-6.14.4/arch/arm64/boot/dts/renesas/
Dr8a779h0.dtsi1743 "renesas,rcar-gen4-ipmmu-vmsa";
1752 "renesas,rcar-gen4-ipmmu-vmsa";
1761 "renesas,rcar-gen4-ipmmu-vmsa";
1770 "renesas,rcar-gen4-ipmmu-vmsa";
1779 "renesas,rcar-gen4-ipmmu-vmsa";
1788 "renesas,rcar-gen4-ipmmu-vmsa";
1797 "renesas,rcar-gen4-ipmmu-vmsa";
1806 "renesas,rcar-gen4-ipmmu-vmsa";
1815 "renesas,rcar-gen4-ipmmu-vmsa";
1824 "renesas,rcar-gen4-ipmmu-vmsa";
[all …]
Dr8a779g0.dtsi1987 "renesas,rcar-gen4-ipmmu-vmsa";
1996 "renesas,rcar-gen4-ipmmu-vmsa";
2005 "renesas,rcar-gen4-ipmmu-vmsa";
2014 "renesas,rcar-gen4-ipmmu-vmsa";
2023 "renesas,rcar-gen4-ipmmu-vmsa";
2032 "renesas,rcar-gen4-ipmmu-vmsa";
2041 "renesas,rcar-gen4-ipmmu-vmsa";
2050 "renesas,rcar-gen4-ipmmu-vmsa";
2059 "renesas,rcar-gen4-ipmmu-vmsa";
2068 "renesas,rcar-gen4-ipmmu-vmsa";
[all …]
Dr8a779a0.dtsi2206 "renesas,rcar-gen4-ipmmu-vmsa";
2215 "renesas,rcar-gen4-ipmmu-vmsa";
2224 "renesas,rcar-gen4-ipmmu-vmsa";
2233 "renesas,rcar-gen4-ipmmu-vmsa";
2242 "renesas,rcar-gen4-ipmmu-vmsa";
2251 "renesas,rcar-gen4-ipmmu-vmsa";
2260 "renesas,rcar-gen4-ipmmu-vmsa";
2269 "renesas,rcar-gen4-ipmmu-vmsa";
2278 "renesas,rcar-gen4-ipmmu-vmsa";
2287 "renesas,rcar-gen4-ipmmu-vmsa";
[all …]
Dr8a779f0.dtsi1226 "renesas,rcar-gen4-ipmmu-vmsa";
1235 "renesas,rcar-gen4-ipmmu-vmsa";
1244 "renesas,rcar-gen4-ipmmu-vmsa";
1253 "renesas,rcar-gen4-ipmmu-vmsa";
1262 "renesas,rcar-gen4-ipmmu-vmsa";
/linux-6.14.4/arch/arm/boot/dts/renesas/
Dr8a7793.dtsi401 "renesas,ipmmu-vmsa";
411 "renesas,ipmmu-vmsa";
420 "renesas,ipmmu-vmsa";
430 "renesas,ipmmu-vmsa";
439 "renesas,ipmmu-vmsa";
449 "renesas,ipmmu-vmsa";
458 "renesas,ipmmu-vmsa";
Dr8a7794.dtsi355 "renesas,ipmmu-vmsa";
365 "renesas,ipmmu-vmsa";
374 "renesas,ipmmu-vmsa";
384 "renesas,ipmmu-vmsa";
393 "renesas,ipmmu-vmsa";
403 "renesas,ipmmu-vmsa";
Dr8a7791.dtsi426 "renesas,ipmmu-vmsa";
436 "renesas,ipmmu-vmsa";
445 "renesas,ipmmu-vmsa";
455 "renesas,ipmmu-vmsa";
464 "renesas,ipmmu-vmsa";
474 "renesas,ipmmu-vmsa";
483 "renesas,ipmmu-vmsa";
Dr8a7745.dtsi367 "renesas,ipmmu-vmsa";
377 "renesas,ipmmu-vmsa";
386 "renesas,ipmmu-vmsa";
396 "renesas,ipmmu-vmsa";
405 "renesas,ipmmu-vmsa";
415 "renesas,ipmmu-vmsa";
Dr8a7743.dtsi403 "renesas,ipmmu-vmsa";
413 "renesas,ipmmu-vmsa";
422 "renesas,ipmmu-vmsa";
432 "renesas,ipmmu-vmsa";
441 "renesas,ipmmu-vmsa";
451 "renesas,ipmmu-vmsa";
Dr8a7744.dtsi403 "renesas,ipmmu-vmsa";
413 "renesas,ipmmu-vmsa";
422 "renesas,ipmmu-vmsa";
432 "renesas,ipmmu-vmsa";
441 "renesas,ipmmu-vmsa";
451 "renesas,ipmmu-vmsa";
Dr8a7790.dtsi509 "renesas,ipmmu-vmsa";
519 "renesas,ipmmu-vmsa";
528 "renesas,ipmmu-vmsa";
538 "renesas,ipmmu-vmsa";
547 "renesas,ipmmu-vmsa";
557 "renesas,ipmmu-vmsa";
Dr8a7742.dtsi478 "renesas,ipmmu-vmsa";
488 "renesas,ipmmu-vmsa";
497 "renesas,ipmmu-vmsa";
507 "renesas,ipmmu-vmsa";
516 "renesas,ipmmu-vmsa";
/linux-6.14.4/tools/testing/selftests/kvm/x86/
Dsev_smoke_test.c41 /* Stash state passed via VMSA before any compiled code runs. */
/linux-6.14.4/arch/x86/include/asm/
Dmshyperv.h55 * DEFAULT INIT GPAT and SEGMENT LIMIT value in struct VMSA
/linux-6.14.4/arch/arm64/mm/
Dproc.S463 * Default values for VMSA control registers. These will be adjusted

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