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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2023 04:53:54.7986 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0169d4fa-b07c-4f8b-4d08-08db6b010661 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000E9D9.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6581 X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: AFE0A140008 X-Stat-Signature: bwhzugzkaiurf6u8c7tnyna319hmfybs X-HE-Tag: 1686545638-154850 X-HE-Meta: U2FsdGVkX18l55VGsaP6AAvf+ltU3Oj3qSyme+Ero9QyddLXuKxhSTnz9ealNb3wyOU+jVY+Ye7N7ln0D/H74if3vfqGv6RxpSDMihTp23xglgb4LDLDYQE6za50r60N1ceFtkwtrBalgkzdIuJL6B+N3g67c1anUn5s/Egm1Z1MYaEqmBJTSgvZqEaoGvftr/PqTTh+g+iMouSYomHTAzAay8JUCciADgbVOnyMDKqENWrYviJ+HUVAo0R4uBCVlyym5gqn0gab5eVbmoJOgjbg51Z3eTUp+JQbl8ovoLd82mqSvwwRNuTgiMPQQvqoGp8n9P4X98VXw/Xln3cjCy5Z0bdJUUbzPf5GrjLJ/xeahDhy7GSkLg8cIZfdX6nRMTfQsk/Z2L/g5wYia2KdySSC/2iN7Lmlgg4eM+wMupIB952t6N0CakU2E1C30XTJ0rjfPC8OuLQ9bAH54fT1zrGHPxtFo43OTUtAs77VFX5aJSgpTzAhsp2sxGN15/9wlU4dclJ2kN/lGJ5OAK5kWUcvzss+MFEkdgdYsuYn3wk/9Lr4HUMfD3KUQAgQyLS5kNvKrwJ4LwGzQHB7hU9x4XoO/iMZ4Zpy5YSAgpfHTHO6Z4GWXNkP4sDaqM4lxzoiMBvqAtAixd8kY3SH1+yamXvfFaEONtYBO0yqlXT9yE+0ESvJsEd+S5HJZQDwqySCmOlDUq+Onv57oh/q/+Kfh8EM/CM+RtRR+6n1sFBMCisbmIh8HkqA4UGooysvsCeVsvr0kk4dvkSKTimtEltczI3crdH/G8TBoO1g8+OgicFTaoxZzjJe26AZaMefPVd6MC6+pqnauo8fZjiDUW6VbP8N0NKBsooCB7wvt1hnNV+oPJRF+toTbm3wKZ/KNV3gwn0iuoxsk1y8uoDPjEuW/oyrT8rYcYN073ONBzws0LS8i8rzPj259PS9Wd95ztQDCtmCRnhnEodozpfZuee UalCtWl1 v8D7iWZRsB1G+5smr77UUy3D3Uv1WpqlHv0hdqSkoKSgyRRUmgSIOK6f5iIsSZVWSpaBbGqY2yhTP4WxiMsv19mrGv7p7jnGzelvhSu1qc4PNxANbaGpQZGOB3kEIALYPBPbMuO2PAw+n7dxaNF8/m0kirLTS1SiA1BGhm/p4fmQnkmGvjudL8JKr2wvR4hnAWHomFjT+KMgqHMWomKaZCL8+R8KK5WCt05RYFRB47j3F5G8vneuy5dSyL4+vlZW13o4XFob4kNGzTDdUlqqYJghln1vJVVVL6jqTrqekwswxrQ2pVOIhGoBrofsReBozv0ZvVtFRPRKIu9jf0kvGnjNQnw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Brijesh Singh Add a module parameter than can be used to enable or disable the SEV-SNP feature. Now that KVM contains the support for the SNP set the GHCB hypervisor feature flag to indicate that SNP is supported. Signed-off-by: Brijesh Singh Signed-off-by: Ashish Kalra Signed-off-by: Michael Roth --- arch/x86/kvm/svm/sev.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 543926fa3200..adbe8c242d81 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -54,14 +54,16 @@ module_param_named(sev, sev_enabled, bool, 0444); /* enable/disable SEV-ES support */ static bool sev_es_enabled = true; module_param_named(sev_es, sev_es_enabled, bool, 0444); + +/* enable/disable SEV-SNP support */ +static bool sev_snp_enabled = true; +module_param_named(sev_snp, sev_snp_enabled, bool, 0444); #else #define sev_enabled false #define sev_es_enabled false +#define sev_snp_enabled false #endif /* CONFIG_KVM_AMD_SEV */ -/* enable/disable SEV-SNP support */ -static bool sev_snp_enabled; - #define AP_RESET_HOLD_NONE 0 #define AP_RESET_HOLD_NAE_EVENT 1 #define AP_RESET_HOLD_MSR_PROTO 2