/*

 *  Copyright (C) 2001  MandrakeSoft S.A.

 *

 *    MandrakeSoft S.A.

 *    43, rue d'Aboukir

 *    75002 Paris - France

 *    http://www.linux-mandrake.com/

 *    http://www.mandrakesoft.com/

 *

 *  This library is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU Lesser General Public

 *  License as published by the Free Software Foundation; either

 *  version 2 of the License, or (at your option) any later version.

 *

 *  This library is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 *  Lesser General Public License for more details.

 *

 *  You should have received a copy of the GNU Lesser General Public

 *  License along with this library; If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef __ASM_X86_HVM_VIOAPIC_H__

#define __ASM_X86_HVM_VIOAPIC_H__

#include <xen/types.h>

#include <xen/smp.h>

#include <public/hvm/save.h>

#define VIOAPIC_VERSION_ID 0x11 /* IOAPIC version */

#define VIOAPIC_EDGE_TRIG  0

#define VIOAPIC_LEVEL_TRIG 1

#define VIOAPIC_DEFAULT_BASE_ADDRESS  0xfec00000

#define VIOAPIC_MEM_LENGTH            0x100

/* Direct registers. */

#define VIOAPIC_REG_SELECT  0x00

#define VIOAPIC_REG_WINDOW  0x10

#define VIOAPIC_REG_EOI     0x40

/* Indirect registers. */

#define VIOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */

#define VIOAPIC_REG_VERSION 0x01

#define VIOAPIC_REG_ARB_ID  0x02 /* x86 IOAPIC only */

#define VIOAPIC_REG_RTE0    0x10

struct hvm_vioapic {

    struct domain *domain;

    uint32_t nr_pins;

    unsigned int base_gsi;

    union {

        XEN_HVM_VIOAPIC(,);

        struct hvm_hw_vioapic domU;

    };

};

#define hvm_vioapic_size(cnt) offsetof(struct hvm_vioapic, redirtbl[cnt])

#define domain_vioapic(d, i) ((d)->arch.hvm_domain.vioapic[i])

#define vioapic_domain(v) ((v)->domain)

int vioapic_init(struct domain *d);

void vioapic_deinit(struct domain *d);

void vioapic_reset(struct domain *d);

void vioapic_irq_positive_edge(struct domain *d, unsigned int irq);

void vioapic_update_EOI(struct domain *d, u8 vector);

int vioapic_get_mask(const struct domain *d, unsigned int gsi);

int vioapic_get_vector(const struct domain *d, unsigned int gsi);

int vioapic_get_trigger_mode(const struct domain *d, unsigned int gsi);

#endif /* __ASM_X86_HVM_VIOAPIC_H__ */