[linux-block.git] / include / linux / psp.h

/* 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 */
Commit	Line	Data
ae7d45fb ML	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
1c5c1daf ML	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_CMDRESP_CMD GENMASK(23, 16)
	22	#define PSP_CMDRESP_RESERVED GENMASK(29, 24)
	23	#define PSP_CMDRESP_RECOVERY BIT(30)
	24	#define PSP_CMDRESP_RESP BIT(31)
	25
d5812571 ML	26	#define PSP_DRBL_MSG PSP_CMDRESP_CMD
	27	#define PSP_DRBL_RING BIT(0)
	28
ae7d45fb	29	#endif /* __PSP_H */