149 lines
5.3 KiB
C
149 lines
5.3 KiB
C
/*-
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* Copyright (c) 2011 NetApp, Inc.
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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 _VMMAPI_H_
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#define _VMMAPI_H_
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#include <sys/param.h>
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#include <uuid/uuid.h>
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#include "types.h"
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#include "vmm.h"
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/*
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* API version for out-of-tree consumers for making compile time decisions.
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*/
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#define VMMAPI_VERSION 0103 /* 2 digit major followed by 2 digit minor */
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#define MB (1024 * 1024UL)
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#define GB (1024 * 1024 * 1024UL)
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#define ALIGN_UP(x, align) (((x) + ((align)-1)) & ~((align)-1))
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#define ALIGN_DOWN(x, align) ((x) & ~((align)-1))
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#define CMOS_BUF_SIZE 256
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struct vmctx {
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int fd;
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int vmid;
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int ioreq_client;
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uint32_t lowmem_limit;
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size_t lowmem;
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size_t biosmem;
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size_t highmem;
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char *baseaddr;
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char *name;
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uuid_t vm_uuid;
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/* fields to track virtual devices */
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void *atkbdc_base;
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void *vrtc;
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void *vpit;
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void *ioc_dev;
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void *tpm_dev;
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/* BSP state. guest loader needs to fill it */
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struct acrn_set_vcpu_regs bsp_regs;
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};
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#define PROT_RW (PROT_READ | PROT_WRITE)
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#define PROT_ALL (PROT_READ | PROT_WRITE | PROT_EXEC)
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struct vm_lapic_msi {
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uint64_t msg;
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uint64_t addr;
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};
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struct vm_isa_irq {
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int atpic_irq;
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int ioapic_irq;
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};
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/*
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* Create a device memory segment identified by 'segid'.
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*
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* Returns a pointer to the memory segment on success and MAP_FAILED otherwise.
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*/
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void *vm_create_devmem(struct vmctx *ctx, int segid, const char *name,
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size_t len);
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int vm_get_device_fd(struct vmctx *ctx);
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struct vmctx *vm_create(const char *name, uint64_t req_buf);
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void vm_pause(struct vmctx *ctx);
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void vm_reset(struct vmctx *ctx);
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int vm_create_ioreq_client(struct vmctx *ctx);
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int vm_destroy_ioreq_client(struct vmctx *ctx);
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int vm_attach_ioreq_client(struct vmctx *ctx);
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int vm_notify_request_done(struct vmctx *ctx, int vcpu);
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void vm_clear_ioreq(struct vmctx *ctx);
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void vm_set_suspend_mode(enum vm_suspend_how how);
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int vm_get_suspend_mode(void);
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void vm_destroy(struct vmctx *ctx);
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int vm_parse_memsize(const char *optarg, size_t *memsize);
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int vm_map_memseg_vma(struct vmctx *ctx, size_t len, vm_paddr_t gpa,
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uint64_t vma, int prot);
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int vm_setup_memory(struct vmctx *ctx, size_t len);
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void vm_unsetup_memory(struct vmctx *ctx);
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bool check_hugetlb_support(void);
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int hugetlb_setup_memory(struct vmctx *ctx);
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void hugetlb_unsetup_memory(struct vmctx *ctx);
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void *vm_map_gpa(struct vmctx *ctx, vm_paddr_t gaddr, size_t len);
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uint32_t vm_get_lowmem_limit(struct vmctx *ctx);
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void vm_set_lowmem_limit(struct vmctx *ctx, uint32_t limit);
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size_t vm_get_lowmem_size(struct vmctx *ctx);
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size_t vm_get_highmem_size(struct vmctx *ctx);
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int vm_run(struct vmctx *ctx);
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int vm_suspend(struct vmctx *ctx, enum vm_suspend_how how);
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int vm_apicid2vcpu(struct vmctx *ctx, int apicid);
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int vm_lapic_msi(struct vmctx *ctx, uint64_t addr, uint64_t msg);
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int vm_set_gsi_irq(struct vmctx *ctx, int gsi, uint32_t operation);
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int vm_assign_ptdev(struct vmctx *ctx, int bus, int slot, int func);
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int vm_unassign_ptdev(struct vmctx *ctx, int bus, int slot, int func);
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int vm_map_ptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
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vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
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int vm_unmap_ptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
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vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
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int vm_setup_ptdev_msi(struct vmctx *ctx,
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struct acrn_vm_pci_msix_remap *msi_remap);
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int vm_set_ptdev_msix_info(struct vmctx *ctx, struct ic_ptdev_irq *ptirq);
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int vm_reset_ptdev_msix_info(struct vmctx *ctx, uint16_t virt_bdf,
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int vector_count);
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int vm_set_ptdev_intx_info(struct vmctx *ctx, uint16_t virt_bdf,
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uint16_t phys_bdf, int virt_pin, int phys_pin, bool pic_pin);
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int vm_reset_ptdev_intx_info(struct vmctx *ctx, int virt_pin, bool pic_pin);
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int vm_create_vcpu(struct vmctx *ctx, uint16_t vcpu_id);
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int vm_set_vcpu_regs(struct vmctx *ctx, struct acrn_set_vcpu_regs *cpu_regs);
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int vm_get_cpu_state(struct vmctx *ctx, void *state_buf);
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int vm_intr_monitor(struct vmctx *ctx, void *intr_buf);
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void vm_stop_watchdog(struct vmctx *ctx);
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void vm_reset_watchdog(struct vmctx *ctx);
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int vm_ioeventfd(struct vmctx *ctx, struct acrn_ioeventfd *args);
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int vm_irqfd(struct vmctx *ctx, struct acrn_irqfd *args);
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#endif /* _VMMAPI_H_ */
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