/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SPARC64_SFAFSR_H
#define _SPARC64_SFAFSR_H

#include <linux/const.h>

/* Spitfire Asynchronous Fault Status register, ASI=0x4C VA<63:0>=0x0 */

#define SFAFSR_ME               (_AC(1,UL) << SFAFSR_ME_SHIFT)
#define SFAFSR_ME_SHIFT         32
#define SFAFSR_PRIV             (_AC(1,UL) << SFAFSR_PRIV_SHIFT)
#define SFAFSR_PRIV_SHIFT       31
#define SFAFSR_ISAP             (_AC(1,UL) << SFAFSR_ISAP_SHIFT)
#define SFAFSR_ISAP_SHIFT       30
#define SFAFSR_ETP              (_AC(1,UL) << SFAFSR_ETP_SHIFT)
#define SFAFSR_ETP_SHIFT        29
#define SFAFSR_IVUE             (_AC(1,UL) << SFAFSR_IVUE_SHIFT)
#define SFAFSR_IVUE_SHIFT       28
#define SFAFSR_TO               (_AC(1,UL) << SFAFSR_TO_SHIFT)
#define SFAFSR_TO_SHIFT         27
#define SFAFSR_BERR             (_AC(1,UL) << SFAFSR_BERR_SHIFT)
#define SFAFSR_BERR_SHIFT       26
#define SFAFSR_LDP              (_AC(1,UL) << SFAFSR_LDP_SHIFT)
#define SFAFSR_LDP_SHIFT        25
#define SFAFSR_CP               (_AC(1,UL) << SFAFSR_CP_SHIFT)
#define SFAFSR_CP_SHIFT         24
#define SFAFSR_WP               (_AC(1,UL) << SFAFSR_WP_SHIFT)
#define SFAFSR_WP_SHIFT         23
#define SFAFSR_EDP              (_AC(1,UL) << SFAFSR_EDP_SHIFT)
#define SFAFSR_EDP_SHIFT        22
#define SFAFSR_UE               (_AC(1,UL) << SFAFSR_UE_SHIFT)
#define SFAFSR_UE_SHIFT         21
#define SFAFSR_CE               (_AC(1,UL) << SFAFSR_CE_SHIFT)
#define SFAFSR_CE_SHIFT         20
#define SFAFSR_ETS              (_AC(0xf,UL) << SFAFSR_ETS_SHIFT)
#define SFAFSR_ETS_SHIFT        16
#define SFAFSR_PSYND            (_AC(0xffff,UL) << SFAFSR_PSYND_SHIFT)
#define SFAFSR_PSYND_SHIFT      0

/* UDB Error Register, ASI=0x7f VA<63:0>=0x0(High),0x18(Low) for read
 *                     ASI=0x77 VA<63:0>=0x0(High),0x18(Low) for write
 */

#define UDBE_UE                 (_AC(1,UL) << 9)
#define UDBE_CE                 (_AC(1,UL) << 8)
#define UDBE_E_SYNDR            (_AC(0xff,UL) << 0)

/* The trap handlers for asynchronous errors encode the AFSR and
 * other pieces of information into a 64-bit argument for C code
 * encoded as follows:
 *
 * -----------------------------------------------
 * |  UDB_H  |  UDB_L  | TL>1  |  TT  |   AFSR   |
 * -----------------------------------------------
 *  63     54 53     44    42   41  33 32       0
 *
 * The AFAR is passed in unchanged.
 */
#define SFSTAT_UDBH_MASK        (_AC(0x3ff,UL) << SFSTAT_UDBH_SHIFT)
#define SFSTAT_UDBH_SHIFT       54
#define SFSTAT_UDBL_MASK        (_AC(0x3ff,UL) << SFSTAT_UDBH_SHIFT)
#define SFSTAT_UDBL_SHIFT       44
#define SFSTAT_TL_GT_ONE        (_AC(1,UL) << SFSTAT_TL_GT_ONE_SHIFT)
#define SFSTAT_TL_GT_ONE_SHIFT  42
#define SFSTAT_TRAP_TYPE        (_AC(0x1FF,UL) << SFSTAT_TRAP_TYPE_SHIFT)
#define SFSTAT_TRAP_TYPE_SHIFT  33
#define SFSTAT_AFSR_MASK        (_AC(0x1ffffffff,UL) << SFSTAT_AFSR_SHIFT)
#define SFSTAT_AFSR_SHIFT       0

/* ESTATE Error Enable Register, ASI=0x4b VA<63:0>=0x0 */
#define ESTATE_ERR_CE           0x1 /* Correctable errors                    */
#define ESTATE_ERR_NCE          0x2 /* TO, BERR, LDP, ETP, EDP, WP, UE, IVUE */
#define ESTATE_ERR_ISAP         0x4 /* System address parity error           */
#define ESTATE_ERR_ALL          (ESTATE_ERR_CE | \
                                 ESTATE_ERR_NCE | \
                                 ESTATE_ERR_ISAP)

/* The various trap types that report using the above state. */
#define TRAP_TYPE_IAE           0x09 /* Instruction Access Error             */
#define TRAP_TYPE_DAE           0x32 /* Data Access Error                    */
#define TRAP_TYPE_CEE           0x63 /* Correctable ECC Error                */

#endif /* _SPARC64_SFAFSR_H */