nvecs = __pci_enable_msix_range(dev, NULL, min_vecs, max_vecs, affd, flags); 返回分配的中断表nvecs个数。预期个数不大于max_vecs。 读取msix中断表的地址,table地址位于第bir个bar的table_offset位置 pci_read_config_dword(dev, dev->msix_cap + PCI_MSIX_TABLE, &table_offset); bir = (u8...
staticint__pci_enable_msix_range(struct pci_dev*dev,struct msix_entry*entries,int minvec,int maxvec,struct irq_affinity*affd,int flags) 这个函数的作用是,给定的pci设备,以及一些msix表的entry,申请向量号位于一个范围的中断向量。配置设备的MSI-X Capability结构体。 struct msix_entry 代码语言:javascri...
Linux 4.8 replaced it with pci_enable_msix_range. You can fix it like this:#if LINUX_VERSION_CODE < KERNEL_VERSION(4,8,0) rc = pci_enable_msix(pdev, lro- ... xdma驱动错误解决error: implicit declaration of function ‘pci_enable_msix’ ,UISRC工程师
ENOSPC;if(flags&PCI_IRQ_AFFINITY){if(!affd)affd=&msi_default_affd;}else{if(WARN_ON(affd))affd=NULL;}if(flags&PCI_IRQ_MSIX){nvecs=__pci_enable_msix_range(dev,NULL,min_vecs,max_vecs,affd,flags);if(nvecs>0)returnnvecs;}if(flags&PCI_IRQ_MSI){nvecs=__pci_enable_msi_range(d...
u16 aer_cap;/*AER capability offset*/#endifu8 pcie_cap;/*PCIe capability offset*/u8 msi_cap;/*MSI capability offset*/u8 msix_cap;/*MSI-X capability offset*/u8 pcie_mpss:3;/*PCIe Max Payload Size Supported*/u8 rom_base_reg;/*which config register controls the ROM*/u8 pin;/*which ...
希望能得到一些启发。...本文基于linux 5.17.5进行分析 __pci_enable_msix_range static int __pci_enable_msix_range(struct pci_dev *dev,...配置设备的MSI-X Capability结构体。...该函数原型如下: int pci_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) 该函数首先获取msi的domain...
PCI_MSIX_SET_ENTRY fonction de rappel structure PCI_MSIX_TABLE_CONFIG_INTERFACE structure PCI_SECURITY_INTERFACE2 structure PCI_SEGMENT_BUS_NUMBER structure PCI_SLOT_NUMBER PCLFS_CLIENT_ADVANCE_TAIL_CALLBACK fonction de rappel PCLFS_CLIENT_LFF_HANDLER_COMPLETE_CALLBACK fonction de rappel PCLFS_CLIENT...
memory_region_set_enabled(&d->bus_master_enable_region, pci_get_word(d->config + PCI_COMMAND) & PCI_COMMAND_MASTER); } msi_write_config(d, addr, val_in, l); msix_write_config(d, addr, val_in, l); } 1. 2. 3. 4.
1bus info: pci@0000:01:00.1version: 01width: 32 bitsclock: 33MHzcapabilities: pm msi msix ...
vfio_res->msix_table.bar_index = -1; } }for(i =0; i < (int) vfio_res->nb_maps; i++) {structvfio_region_info *reg =NULL;void*bar_addr; ret= pci_vfio_get_region_info(vfio_dev_fd, , i);if(ret <0) { RTE_LOG(ERR, EAL,"%s cannot get device region info""error %i (...