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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2024 23:25:39.6066 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cfc4cf91-682a-43df-953b-08dd18a8cb0f 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: SA2PEPF00003F68.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7658 From: Ashish Kalra When SEV-SNP is enabled the TMR needs to be 2MB aligned and 2MB sized, ensure that TMR size is reset back to default when SNP is shutdown. Signed-off-by: Ashish Kalra --- drivers/crypto/ccp/sev-dev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index d8673d8836f1..bc121ad9ec26 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -1750,6 +1750,9 @@ static int __sev_snp_shutdown_locked(int *error, bool panic) sev->snp_initialized = false; dev_dbg(sev->dev, "SEV-SNP firmware shutdown\n"); + /* Reset TMR size back to default */ + sev_es_tmr_size = SEV_TMR_SIZE; + return ret; }