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authorSteve Rutherford <srutherford@google.com>2021-04-20 12:01:20 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2021-04-21 19:20:04 +0300
commit5569e2e7a650dfffd4df7635662b2f92162d6501 (patch)
tree4aa5ae8c39930a69ba7a1be4aa14fd7a43d28dee /drivers/crypto/ccp
parentfddecf6a237ee464db7a1771fad6507d8c180c03 (diff)
downloadlinux-5569e2e7a650dfffd4df7635662b2f92162d6501.tar.xz
KVM: SVM: Add support for KVM_SEV_SEND_CANCEL command
After completion of SEND_START, but before SEND_FINISH, the source VMM can issue the SEND_CANCEL command to stop a migration. This is necessary so that a cancelled migration can restart with a new target later. Reviewed-by: Nathan Tempelman <natet@google.com> Reviewed-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Steve Rutherford <srutherford@google.com> Message-Id: <20210412194408.2458827-1-srutherford@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'drivers/crypto/ccp')
-rw-r--r--drivers/crypto/ccp/sev-dev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index cb9b4c4e371e..4172a1afa0db 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -129,6 +129,7 @@ static int sev_cmd_buffer_len(int cmd)
case SEV_CMD_DOWNLOAD_FIRMWARE: return sizeof(struct sev_data_download_firmware);
case SEV_CMD_GET_ID: return sizeof(struct sev_data_get_id);
case SEV_CMD_ATTESTATION_REPORT: return sizeof(struct sev_data_attestation_report);
+ case SEV_CMD_SEND_CANCEL: return sizeof(struct sev_data_send_cancel);
default: return 0;
}