mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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aa1ee9424c
In preparation for vpci ops function removal, so that these functions can be called directly instead by vpci code Tracked-On: #2534 Signed-off-by: dongshen <dongsheng.x.zhang@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
128 lines
3.9 KiB
C
128 lines
3.9 KiB
C
/*-
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* Copyright (c) 2011 NetApp, Inc.
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* Copyright (c) 2018 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 VPCI_H_
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#define VPCI_H_
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#include <pci.h>
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struct msix_table_entry {
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uint64_t addr;
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uint32_t data;
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uint32_t vector_control;
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};
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/* MSI capability structure */
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struct pci_msi {
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uint32_t capoff;
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uint32_t caplen;
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};
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/* MSI-X capability structure */
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struct pci_msix {
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struct msix_table_entry tables[CONFIG_MAX_MSIX_TABLE_NUM];
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uint64_t mmio_gpa;
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uint64_t mmio_hpa;
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uint64_t mmio_size;
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uint32_t capoff;
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uint32_t caplen;
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uint32_t table_bar;
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uint32_t table_offset;
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uint32_t table_count;
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};
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union pci_cfgdata {
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uint8_t data_8[PCI_REGMAX + 1U];
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uint16_t data_16[(PCI_REGMAX + 1U) >> 2U];
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uint32_t data_32[(PCI_REGMAX + 1U) >> 4U];
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};
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struct pci_vdev {
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const struct acrn_vpci *vpci;
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/* The bus/device/function triple of the virtual PCI device. */
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union pci_bdf vbdf;
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struct pci_pdev *pdev;
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union pci_cfgdata cfgdata;
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/* The bar info of the virtual PCI device. */
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struct pci_bar bar[PCI_BAR_COUNT];
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#ifndef CONFIG_PARTITION_MODE
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struct pci_msi msi;
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struct pci_msix msix;
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#endif
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};
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struct pci_addr_info {
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union pci_bdf cached_bdf;
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uint32_t cached_reg;
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bool cached_enable;
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};
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struct vpci_ops {
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int32_t (*init)(const struct acrn_vm *vm);
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void (*deinit)(const struct acrn_vm *vm);
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void (*cfgread)(struct acrn_vpci *vpci, union pci_bdf vbdf, uint32_t offset,
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uint32_t bytes, uint32_t *val);
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void (*cfgwrite)(struct acrn_vpci *vpci, union pci_bdf vbdf, uint32_t offset,
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uint32_t bytes, uint32_t val);
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};
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struct acrn_vpci {
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struct acrn_vm *vm;
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struct pci_addr_info addr_info;
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const struct vpci_ops *ops;
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uint32_t pci_vdev_cnt;
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struct pci_vdev pci_vdevs[CONFIG_MAX_PCI_DEV_NUM];
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};
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int32_t partition_mode_vpci_init(const struct acrn_vm *vm);
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void partition_mode_cfgread(struct acrn_vpci *vpci, union pci_bdf vbdf,
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uint32_t offset, uint32_t bytes, uint32_t *val);
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void partition_mode_cfgwrite(struct acrn_vpci *vpci, union pci_bdf vbdf,
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uint32_t offset, uint32_t bytes, uint32_t val);
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void partition_mode_vpci_deinit(const struct acrn_vm *vm);
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int32_t sharing_mode_vpci_init(const struct acrn_vm *vm);
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void sharing_mode_cfgread(struct acrn_vpci *vpci, union pci_bdf bdf,
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uint32_t offset, uint32_t bytes, uint32_t *val);
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void sharing_mode_cfgwrite(__unused struct acrn_vpci *vpci, union pci_bdf bdf,
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uint32_t offset, uint32_t bytes, uint32_t val);
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void sharing_mode_vpci_deinit(const struct acrn_vm *vm);
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void vpci_init(struct acrn_vm *vm);
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void vpci_cleanup(const struct acrn_vm *vm);
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void vpci_set_ptdev_intr_info(const struct acrn_vm *target_vm, uint16_t vbdf, uint16_t pbdf);
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void vpci_reset_ptdev_intr_info(const struct acrn_vm *target_vm, uint16_t vbdf, uint16_t pbdf);
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#endif /* VPCI_H_ */
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