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dm: add pci_emul_find_capability

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pci_emul_find_capability can be used to get the offset of a PCI
capability in PCI configuration space.

Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Reviewed-by: Hao Li <hao.l.li@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
This commit is contained in:
Jian Jun Chen
2018-05-18 13:11:44 +08:00
committed by lijinxia
parent f2b524385a
commit f0729cd91d
2 changed files with 41 additions and 0 deletions
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2
devicemodel/include/pci_core.h
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@@ -233,6 +233,8 @@ int pci_emul_alloc_pbar(struct pci_vdev *pdi, int idx,
void pci_emul_free_bars(struct pci_vdev *pdi);
int pci_emul_add_capability(struct pci_vdev *dev, u_char *capdata,
int caplen);
int pci_emul_find_capability(struct pci_vdev *dev, uint8_t capid,
int *p_capoff);
int pci_emul_add_msicap(struct pci_vdev *pi, int msgnum);
int pci_emul_add_pciecap(struct pci_vdev *pi, int pcie_device_type);
void pci_generate_msi(struct pci_vdev *pi, int msgnum);