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/*
* ap bridge
*
* Copyright 2018 IBM Corp.
*
* This work is licensed under the terms of the GNU GPL, version 2 or (at
* your option) any later version. See the COPYING file in the top-level
* directory.
*/
#ifndef HW_S390X_AP_BRIDGE_H
#define HW_S390X_AP_BRIDGE_H
#define TYPE_AP_BRIDGE "ap-bridge"
#define TYPE_AP_BUS "ap-bus"
void s390_init_ap(void);
typedef struct ChscSeiNt0Res {
uint16_t length;
uint16_t code;
uint8_t reserved1;
uint16_t reserved2;
uint8_t nt;
#define PENDING_EVENT_INFO_BITMASK 0x80;
uint8_t flags;
uint8_t reserved3;
uint8_t rs;
uint8_t cc;
} QEMU_PACKED ChscSeiNt0Res;
#define NT0_RES_RESPONSE_CODE 1
#define NT0_RES_NT_DEFAULT 0
#define NT0_RES_RS_AP_CHANGE 5
#define NT0_RES_CC_AP_CHANGE 3
#define EVENT_INFORMATION_NOT_STORED 1
#define EVENT_INFORMATION_STORED 0
/**
* ap_chsc_sei_nt0_get_event - Retrieve the next pending AP config
* change event
* @res: Pointer to a ChscSeiNt0Res struct to be filled with event
* data
*
* This function checks for any pending AP config change events and,
* if present, populates the provided response structure with the
* appropriate SEI NT0 fields.
*
* Return:
* EVENT_INFORMATION_STORED - An event was available and written to @res
* EVENT_INFORMATION_NOT_STORED - No event was available
*/
int ap_chsc_sei_nt0_get_event(void *res);
bool ap_chsc_sei_nt0_have_event(void);
#endif
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