psp.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2
 3#ifndef __PSP_H
 4#define __PSP_H
 5
 6#ifdef CONFIG_X86
 7#include <linux/mem_encrypt.h>
 8
 9#define __psp_pa(x)	__sme_pa(x)
10#else
11#define __psp_pa(x)	__pa(x)
12#endif
13
14/*
15 * Fields and bits used by most PSP mailboxes
16 *
17 * Note: Some mailboxes (such as SEV) have extra bits or different meanings
18 * and should include an appropriate local definition in their source file.
19 */
20#define PSP_CMDRESP_STS		GENMASK(15, 0)
21#define  PSP_TEE_STS_RING_BUSY 0x0000000d  /* Ring already initialized */
22#define PSP_CMDRESP_CMD		GENMASK(23, 16)
23#define PSP_CMDRESP_RESERVED	GENMASK(29, 24)
24#define PSP_CMDRESP_RECOVERY	BIT(30)
25#define PSP_CMDRESP_RESP	BIT(31)
26
27#define PSP_DRBL_MSG		PSP_CMDRESP_CMD
28#define PSP_DRBL_RING		BIT(0)
29
30#endif /* __PSP_H */