xref: /openbmc/linux/include/linux/psp.h (revision d5812571)
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_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 
26 #define PSP_DRBL_MSG		PSP_CMDRESP_CMD
27 #define PSP_DRBL_RING		BIT(0)
28 
29 #endif /* __PSP_H */
30