mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-05-02 05:34:04 +00:00
5b43aa8a65
ptdev_remapping_info --> ptirq_remapping_info ptdev_msi_info --> ptirq_msi_info ptdev_vpin_source --> ptirq_vpin_source ptdev_irq_entries --> ptirq_entries ptdev_entry_bitmaps --> ptirq_entry_bitmaps v1-->v2: still use ptdev_lock instead of ptirq_lock Tracked-On: #861 Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef PTDEV_H
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#define PTDEV_H
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#define ACTIVE_FLAG 0x1U /* any non zero should be okay */
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#define PTDEV_INTR_MSI (1U << 0U)
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#define PTDEV_INTR_INTX (1U << 1U)
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#define INVALID_PTDEV_ENTRY_ID 0xffffU
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enum ptirq_vpin_source {
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PTDEV_VPIN_IOAPIC,
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PTDEV_VPIN_PIC,
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};
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#define DEFINE_MSI_SID(name, a, b) \
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union source_id (name) = {.msi_id = {.bdf = (a), .entry_nr = (b)} }
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#define DEFINE_IOAPIC_SID(name, a, b) \
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union source_id (name) = {.intx_id = {.pin = (a), .src = (b)} }
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union source_id {
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uint32_t value;
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struct {
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uint16_t bdf;
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uint16_t entry_nr;
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} msi_id;
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struct {
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uint8_t pin;
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uint8_t src;
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uint16_t reserved;
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} intx_id;
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};
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/* entry per guest virt vector */
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struct ptirq_msi_info {
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uint64_t vmsi_addr; /* virt msi_addr */
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uint32_t vmsi_data; /* virt msi_data */
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uint64_t pmsi_addr; /* phys msi_addr */
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uint32_t pmsi_data; /* phys msi_data */
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int is_msix; /* 0-MSI, 1-MSIX */
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};
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/* entry per each allocated irq/vector
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* it represents a pass-thru device's remapping data entry which collecting
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* information related with its vm and msi/intx mapping & interaction nodes
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* with interrupt handler and softirq.
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*/
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struct ptirq_remapping_info {
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uint16_t ptdev_entry_id;
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uint32_t intr_type;
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union source_id phys_sid;
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union source_id virt_sid;
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struct acrn_vm *vm;
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uint32_t active; /* 1=active, 0=inactive and to free*/
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uint32_t allocated_pirq;
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uint32_t polarity; /* 0=active high, 1=active low*/
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struct list_head softirq_node;
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struct ptirq_msi_info msi;
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uint64_t intr_count;
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struct hv_timer intr_delay_timer; /* used for delay intr injection */
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};
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extern struct ptirq_remapping_info ptirq_entries[];
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extern spinlock_t ptdev_lock;
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bool is_entry_active(const struct ptirq_remapping_info *entry);
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void ptdev_softirq(uint16_t pcpu_id);
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void ptdev_init(void);
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void ptdev_release_all_entries(const struct acrn_vm *vm);
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struct ptirq_remapping_info *ptdev_dequeue_softirq(struct acrn_vm *vm);
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struct ptirq_remapping_info *alloc_entry(struct acrn_vm *vm, uint32_t intr_type);
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void release_entry(struct ptirq_remapping_info *entry);
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int32_t ptdev_activate_entry(struct ptirq_remapping_info *entry, uint32_t phys_irq);
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void ptdev_deactivate_entry(struct ptirq_remapping_info *entry);
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uint32_t get_vm_ptdev_intr_data(const struct acrn_vm *target_vm, uint64_t *buffer, uint32_t buffer_cnt);
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#endif /* PTDEV_H */
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