63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef _GH_PRIVATE_H
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#define _GH_PRIVATE_H
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#include <linux/gunyah/gh_rm_drv.h>
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#include <linux/gunyah/gh_vm.h>
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#include <linux/refcount.h>
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#include <linux/gunyah.h>
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#include <linux/wait.h>
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#define GH_EVENT_CREATE_VM 0
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#define GH_EVENT_DESTROY_VM 1
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#define GH_MAX_VCPUS 8
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struct gh_vcpu {
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u32 vcpu_id;
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struct gh_vm *vm;
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};
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struct gh_ext_reg {
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u32 ext_label;
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phys_addr_t ext_phys;
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ssize_t ext_size;
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gh_memparcel_handle_t ext_mem_handle;
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};
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struct gh_vm {
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bool is_secure_vm; /* is true for Qcom authenticated secure VMs */
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bool vm_run_once;
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bool keep_running;
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u32 created_vcpus;
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u32 allowed_vcpus;
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gh_vmid_t vmid;
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struct gh_vcpu *vcpus[GH_MAX_VCPUS];
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char fw_name[GH_VM_FW_NAME_MAX];
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struct notifier_block rm_nb;
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struct gh_vm_status status;
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wait_queue_head_t vm_status_wait;
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int exit_type;
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refcount_t users_count;
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gh_memparcel_handle_t mem_handle;
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struct gh_ext_reg *ext_region;
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bool ext_region_supported;
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struct mutex vm_lock;
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};
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/*
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* memory lending/donating and reclaiming APIs
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*/
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int gh_provide_mem(struct gh_vm *vm, phys_addr_t phys,
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ssize_t size, bool is_system_vm);
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int gh_reclaim_mem(struct gh_vm *vm, phys_addr_t phys,
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ssize_t size, bool is_system_vm);
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long gh_vm_configure(u16 auth_mech, u64 image_offset,
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u64 image_size, u64 dtb_offset, u64 dtb_size,
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u32 pas_id, const char *fw_name, struct gh_vm *vm);
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void gh_uevent_notify_change(unsigned int type, struct gh_vm *vm);
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#endif /* _GH_PRIVATE_H */
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