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https://github.com/projectacrn/acrn-hypervisor.git
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99586e32cc
For data structure types "struct vm", its name is identical with variable name in the same scope. This is a MISRA C violation. Naming convention rule:If the data structure type is used by multi modules, its corresponding logic resource is exposed to external components (such as SOS, UOS), and its name meaning is simplistic (such as vcpu, vm), its name needs prefix "acrn_". The following udpates are made: struct vm *vm-->struct acrn_vm *vm Tracked-On: #861 Signed-off-by: Xiangyang Wu <xiangyang.wu@linux.intel.com>
115 lines
3.6 KiB
C
115 lines
3.6 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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/**
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* @file vioapic.h
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*
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* @brief public APIs for virtual I/O APIC
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*/
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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 acrn_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 acrn_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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/**
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* @brief virtual I/O APIC
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*
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* @addtogroup acrn_vioapic ACRN vIOAPIC
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* @{
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*/
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/**
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* @brief Set vIOAPIC IRQ line status.
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*
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* @param[in] vm Pointer to target VM
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* @param[in] irq Target IRQ number
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* @param[in] operation Action options: GSI_SET_HIGH/GSI_SET_LOW/
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* GSI_RAISING_PULSE/GSI_FALLING_PULSE
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*
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* @pre irq < vioapic_pincount(vm)
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*
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* @return void
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*/
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void vioapic_set_irq(struct acrn_vm *vm, uint32_t irq, uint32_t operation);
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/**
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* @brief Set vIOAPIC IRQ line status.
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*
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* Similar with vioapic_set_irq(),but would not make sure
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* operation be done with ioapic lock.
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*
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* @param[in] vm Pointer to target VM
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* @param[in] irq Target IRQ number
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* @param[in] operation Action options: GSI_SET_HIGH/GSI_SET_LOW/
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* GSI_RAISING_PULSE/GSI_FALLING_PULSE
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*
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* @pre irq < vioapic_pincount(vm)
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* @return void
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*/
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void vioapic_set_irq_nolock(struct acrn_vm *vm, uint32_t irq, uint32_t operation);
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void vioapic_update_tmr(struct acrn_vcpu *vcpu);
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uint32_t vioapic_pincount(const struct acrn_vm *vm);
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void vioapic_process_eoi(struct acrn_vm *vm, uint32_t vector);
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void vioapic_get_rte(struct acrn_vm *vm, uint32_t pin, union ioapic_rte *rte);
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int vioapic_mmio_access_handler(struct io_request *io_req, void *handler_private_data);
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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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/**
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* @}
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*/
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/* End of acrn_vioapic */
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#endif /* VIOAPIC_H */
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