include/linux/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_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 */