linux-imx

/* SPDX-License-Identifier: GPL-2.0+ */

/*

 * Copyright IBM Corp. 2006, 2012

 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>

 *        Martin Schwidefsky <schwidefsky@de.ibm.com>

 *        Ralph Wuerthner <rwuerthn@de.ibm.com>

 *        Felix Beck <felix.beck@de.ibm.com>

 *        Holger Dengler <hd@linux.vnet.ibm.com>

 *

 * Adjunct processor bus header file.

 */

​

#ifndef _AP_BUS_H_

#define _AP_BUS_H_

​

#include <linux/device.h>

#include <linux/types.h>

#include <asm/isc.h>

#include <asm/ap.h>

​

#define AP_DEVICES 256      /* Number of AP devices. */

#define AP_DOMAINS 256      /* Number of AP domains. */

#define AP_IOCTLS  256      /* Number of ioctls. */

#define AP_RESET_TIMEOUT (HZ*0.7)   /* Time in ticks for reset timeouts. */

#define AP_CONFIG_TIME 30   /* Time in seconds between AP bus rescans. */

#define AP_POLL_TIME 1      /* Time in ticks between receive polls. */

​

extern int ap_domain_index;

​

extern spinlock_t ap_list_lock;

extern struct list_head ap_card_list;

​

static inline int ap_test_bit(unsigned int *ptr, unsigned int nr)

{

    return (*ptr & (0x80000000u >> nr)) != 0;

}

​

#define AP_RESPONSE_NORMAL      0x00

#define AP_RESPONSE_Q_NOT_AVAIL     0x01

#define AP_RESPONSE_RESET_IN_PROGRESS   0x02

#define AP_RESPONSE_DECONFIGURED    0x03

#define AP_RESPONSE_CHECKSTOPPED    0x04

#define AP_RESPONSE_BUSY        0x05

#define AP_RESPONSE_INVALID_ADDRESS 0x06

#define AP_RESPONSE_OTHERWISE_CHANGED   0x07

#define AP_RESPONSE_Q_FULL      0x10

#define AP_RESPONSE_NO_PENDING_REPLY    0x10

#define AP_RESPONSE_INDEX_TOO_BIG   0x11

#define AP_RESPONSE_NO_FIRST_PART   0x13

#define AP_RESPONSE_MESSAGE_TOO_BIG 0x15

#define AP_RESPONSE_REQ_FAC_NOT_INST    0x16

​

/*

 * Known device types

 */

#define AP_DEVICE_TYPE_PCICC    3

#define AP_DEVICE_TYPE_PCICA    4

#define AP_DEVICE_TYPE_PCIXCC   5

#define AP_DEVICE_TYPE_CEX2A    6

#define AP_DEVICE_TYPE_CEX2C    7

#define AP_DEVICE_TYPE_CEX3A    8

#define AP_DEVICE_TYPE_CEX3C    9

#define AP_DEVICE_TYPE_CEX4 10

#define AP_DEVICE_TYPE_CEX5 11

#define AP_DEVICE_TYPE_CEX6 12

​

/*

 * Known function facilities

 */

#define AP_FUNC_MEX4K 1

#define AP_FUNC_CRT4K 2

#define AP_FUNC_COPRO 3

#define AP_FUNC_ACCEL 4

#define AP_FUNC_EP11  5

#define AP_FUNC_APXA  6

​

/*

 * AP interrupt states

 */

#define AP_INTR_DISABLED    0   /* AP interrupt disabled */

#define AP_INTR_ENABLED     1   /* AP interrupt enabled */

​

/*

 * AP device states

 */

enum ap_state {

    AP_STATE_RESET_START,

    AP_STATE_RESET_WAIT,

    AP_STATE_SETIRQ_WAIT,

    AP_STATE_IDLE,

    AP_STATE_WORKING,

    AP_STATE_QUEUE_FULL,