Differential D20389 Diff 57800 sys/amd64/vmm/io/vlapic_priv.h

Changeset View

Standalone View

sys/amd64/vmm/io/vlapic_priv.h

/*-		/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD		* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*		*
* Copyright (c) 2013 Neel Natu <neel@freebsd.org>		* Copyright (c) 2013 Neel Natu <neel@freebsd.org>
* All rights reserved.		* All rights reserved.
		* Copyright (c) 2019 Joyent, Inc.
*		*
* Redistribution and use in source and binary forms, with or without		* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions		* modification, are permitted provided that the following conditions
* are met:		* are met:
* 1. Redistributions of source code must retain the above copyright		* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.		* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright		* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the		* notice, this list of conditions and the following disclaimer in the
▲ Show 20 Lines • Show All 119 Lines • ▼ Show 20 Lines

/*		/*
* 16 priority levels with at most one vector injected per level.		* 16 priority levels with at most one vector injected per level.
*/		*/
#define ISRVEC_STK_SIZE (16 + 1)		#define ISRVEC_STK_SIZE (16 + 1)

#define VLAPIC_MAXLVT_INDEX APIC_LVT_CMCI		#define VLAPIC_MAXLVT_INDEX APIC_LVT_CMCI

		#define VLAPIC_TMR_CNT 8

struct vlapic;		struct vlapic;

struct vlapic_ops {		struct vlapic_ops {
int (set_intr_ready)(struct vlapic vlapic, int vector, bool level);		int (set_intr_ready)(struct vlapic vlapic, int vector, bool level);
int (pending_intr)(struct vlapic vlapic, int *vecptr);		int (pending_intr)(struct vlapic vlapic, int *vecptr);
void (intr_accepted)(struct vlapic vlapic, int vector);		void (intr_accepted)(struct vlapic vlapic, int vector);
void (post_intr)(struct vlapic vlapic, int hostcpu);		void (post_intr)(struct vlapic vlapic, int hostcpu);
void (set_tmr)(struct vlapic vlapic, int vector, bool level);		void (set_tmr)(struct vlapic vlapic, const uint32_t *result);
void (enable_x2apic_mode)(struct vlapic vlapic);		void (enable_x2apic_mode)(struct vlapic vlapic);
};		};

struct vlapic {		struct vlapic {
struct vm *vm;		struct vm *vm;
int vcpuid;		int vcpuid;
struct LAPIC *apic_page;		struct LAPIC *apic_page;
struct vlapic_ops ops;		struct vlapic_ops ops;

uint32_t esr_pending;		uint32_t esr_pending;
int esr_firing;		int esr_firing;
		uint32_t tmr_pending;

struct callout callout; /* vlapic timer */		struct callout callout; /* vlapic timer */
struct bintime timer_fire_bt; /* callout expiry time */		struct bintime timer_fire_bt; /* callout expiry time */
struct bintime timer_freq_bt; /* timer frequency */		struct bintime timer_freq_bt; /* timer frequency */
struct bintime timer_period_bt; /* timer period */		struct bintime timer_period_bt; /* timer period */
struct mtx timer_mtx;		struct mtx timer_mtx;

/*		/*
Show All 11 Lines	struct vlapic {
/*		/*
* Copies of some registers in the virtual APIC page. We do this for		* Copies of some registers in the virtual APIC page. We do this for
* a couple of different reasons:		* a couple of different reasons:
* - to be able to detect what changed (e.g. svr_last)		* - to be able to detect what changed (e.g. svr_last)
* - to maintain a coherent snapshot of the register (e.g. lvt_last)		* - to maintain a coherent snapshot of the register (e.g. lvt_last)
*/		*/
uint32_t svr_last;		uint32_t svr_last;
uint32_t lvt_last[VLAPIC_MAXLVT_INDEX + 1];		uint32_t lvt_last[VLAPIC_MAXLVT_INDEX + 1];

		/*
		* Store intended modifications to the trigger-mode register state.
		* Along with the tmr_pending counter above, these are protected by the
		* vIOAPIC lock and can only be modified under specific conditions:
		*
		* 1. When holding the vIOAPIC lock, and the vCPU to which the vLAPIC
		* belongs is prevented from entering the VCPU_RUNNING state.
		* 2. When the owning vCPU is in the VCPU_RUNNING state, and is
		* applying the TMR modifications prior to interrupt injection.
		*/
		uint32_t tmr_vec_deassert[VLAPIC_TMR_CNT];
		uint32_t tmr_vec_assert[VLAPIC_TMR_CNT];
};		};

void vlapic_init(struct vlapic *vlapic);		void vlapic_init(struct vlapic *vlapic);
void vlapic_cleanup(struct vlapic *vlapic);		void vlapic_cleanup(struct vlapic *vlapic);

#endif /* _VLAPIC_PRIV_H_ */		#endif /* _VLAPIC_PRIV_H_ */