kernel-aes67/include/linux/psp.h

30 lines
697 B
C

/* 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 */