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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /include/linux/psp.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/psp.h')
-rw-r--r--include/linux/psp.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/psp.h b/include/linux/psp.h
new file mode 100644
index 000000000..92e60aeef
--- /dev/null
+++ b/include/linux/psp.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __PSP_H
+#define __PSP_H
+
+#ifdef CONFIG_X86
+#include <linux/mem_encrypt.h>
+
+#define __psp_pa(x) __sme_pa(x)
+#else
+#define __psp_pa(x) __pa(x)
+#endif
+
+/*
+ * Fields and bits used by most PSP mailboxes
+ *
+ * Note: Some mailboxes (such as SEV) have extra bits or different meanings
+ * and should include an appropriate local definition in their source file.
+ */
+#define PSP_CMDRESP_STS GENMASK(15, 0)
+#define PSP_CMDRESP_CMD GENMASK(23, 16)
+#define PSP_CMDRESP_RESERVED GENMASK(29, 24)
+#define PSP_CMDRESP_RECOVERY BIT(30)
+#define PSP_CMDRESP_RESP BIT(31)
+
+#define PSP_DRBL_MSG PSP_CMDRESP_CMD
+#define PSP_DRBL_RING BIT(0)
+
+#endif /* __PSP_H */