diff options
Diffstat (limited to 'include/linux/pci-epf.h')
| -rw-r--r-- | include/linux/pci-epf.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index 6833e2160ef1..009a07147c61 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/** +/* * PCI Endpoint *Function* (EPF) header file * * Copyright (C) 2017 Texas Instruments @@ -85,7 +85,7 @@ struct pci_epf_ops { */ struct pci_epf_driver { int (*probe)(struct pci_epf *epf); - int (*remove)(struct pci_epf *epf); + void (*remove)(struct pci_epf *epf); struct device_driver driver; struct pci_epf_ops *ops; @@ -102,6 +102,8 @@ struct pci_epf_driver { * @phys_addr: physical address that should be mapped to the BAR * @addr: virtual address corresponding to the @phys_addr * @size: the size of the address space present in BAR + * @barno: BAR number + * @flags: flags that are set for the BAR */ struct pci_epf_bar { dma_addr_t phys_addr; @@ -118,8 +120,11 @@ struct pci_epf_bar { * @header: represents standard configuration header * @bar: represents the BAR of EPF device * @msi_interrupts: number of MSI interrupts required by this function - * @func_no: unique function number within this endpoint device + * @msix_interrupts: number of MSI-X interrupts required by this function + * @func_no: unique (physical) function number within this endpoint device + * @vfunc_no: unique virtual function number within a physical function * @epc: the EPC device to which this EPF device is bound + * @epf_pf: the physical EPF device to which this virtual EPF device is bound * @driver: the EPF driver to which this EPF device is bound * @list: to add pci_epf as a list of PCI endpoint functions to pci_epc * @nb: notifier block to notify EPF of any EPC events (like linkup) @@ -130,6 +135,10 @@ struct pci_epf_bar { * @sec_epc_bar: represents the BAR of EPF device associated with secondary EPC * @sec_epc_func_no: unique (physical) function number within the secondary EPC * @group: configfs group associated with the EPF device + * @is_bound: indicates if bind notification to function driver has been invoked + * @is_vf: true - virtual function, false - physical function + * @vfunction_num_map: bitmap to manage virtual function number + * @pci_vepf: list of virtual endpoint functions associated with this function */ struct pci_epf { struct device dev; @@ -139,8 +148,10 @@ struct pci_epf { u8 msi_interrupts; u16 msix_interrupts; u8 func_no; + u8 vfunc_no; struct pci_epc *epc; + struct pci_epf *epf_pf; struct pci_epf_driver *driver; struct list_head list; struct notifier_block nb; @@ -153,6 +164,10 @@ struct pci_epf { struct pci_epf_bar sec_epc_bar[6]; u8 sec_epc_func_no; struct config_group *group; + unsigned int is_bound; + unsigned int is_vf; + unsigned long vfunction_num_map; + struct list_head pci_vepf; }; /** @@ -196,4 +211,6 @@ int pci_epf_bind(struct pci_epf *epf); void pci_epf_unbind(struct pci_epf *epf); struct config_group *pci_epf_type_add_cfs(struct pci_epf *epf, struct config_group *group); +int pci_epf_add_vepf(struct pci_epf *epf_pf, struct pci_epf *epf_vf); +void pci_epf_remove_vepf(struct pci_epf *epf_pf, struct pci_epf *epf_vf); #endif /* __LINUX_PCI_EPF_H */ |