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https://github.com/projectacrn/acrn-hypervisor.git
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ea32c34ae1
Fix violations for function whose parameter can be read-only. Tracked-On: #861 Signed-off-by: Huihuang Shi <huihuang.shi@intel.com> Acked-by: Anthony Xu <anthony.xu@intel.com>
71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/*-
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* Copyright (c) 2013 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
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* Copyright (c) 2013 Neel Natu <neel@freebsd.org>
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* Copyright (c) 2017 Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef VIOAPIC_H
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#define VIOAPIC_H
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#include <apicreg.h>
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#define VIOAPIC_BASE 0xFEC00000UL
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#define VIOAPIC_SIZE 4096UL
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#define REDIR_ENTRIES_HW 120U /* SOS align with native ioapic */
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#define STATE_BITMAP_SIZE INT_DIV_ROUNDUP(REDIR_ENTRIES_HW, 64U)
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struct acrn_vioapic {
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struct vm *vm;
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spinlock_t mtx;
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uint32_t id;
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uint32_t ioregsel;
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union ioapic_rte rtbl[REDIR_ENTRIES_HW];
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/* pin_state status bitmap: 1 - high, 0 - low */
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uint64_t pin_state[STATE_BITMAP_SIZE];
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};
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void vioapic_init(struct vm *vm);
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void vioapic_cleanup(const struct acrn_vioapic *vioapic);
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void vioapic_reset(struct acrn_vioapic *vioapic);
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void vioapic_set_irq(struct vm *vm, uint32_t irq, uint32_t operation);
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void vioapic_set_irq_nolock(struct vm *vm, uint32_t irq, uint32_t operation);
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void vioapic_update_tmr(struct vcpu *vcpu);
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uint32_t vioapic_pincount(const struct vm *vm);
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void vioapic_process_eoi(struct vm *vm, uint32_t vector);
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void vioapic_get_rte(struct vm *vm, uint32_t pin, union ioapic_rte *rte);
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int vioapic_mmio_access_handler(struct vcpu *vcpu,
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struct io_request *io_req);
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#ifdef HV_DEBUG
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void get_vioapic_info(char *str_arg, size_t str_max, uint16_t vmid);
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#endif /* HV_DEBUG */
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#endif /* VIOAPIC_H */
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