diff options
Diffstat (limited to 'backport/backport-include/linux/pci.h')
| -rw-r--r-- | backport/backport-include/linux/pci.h | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/backport/backport-include/linux/pci.h b/backport/backport-include/linux/pci.h deleted file mode 100644 index 42b3dc53..00000000 --- a/backport/backport-include/linux/pci.h +++ /dev/null @@ -1,240 +0,0 @@ -#ifndef _BACKPORT_LINUX_PCI_H -#define _BACKPORT_LINUX_PCI_H -#include_next <linux/pci.h> -#include <linux/version.h> - -#ifndef module_pci_driver -/** - * module_pci_driver() - Helper macro for registering a PCI driver - * @__pci_driver: pci_driver struct - * - * Helper macro for PCI drivers which do not do anything special in module - * init/exit. This eliminates a lot of boilerplate. Each module may only - * use this macro once, and calling it replaces module_init() and module_exit() - */ -#define module_pci_driver(__pci_driver) \ - module_driver(__pci_driver, pci_register_driver, \ - pci_unregister_driver) -#endif - -#if LINUX_VERSION_IS_LESS(3,4,0) -void pci_stop_and_remove_bus_device(struct pci_dev *dev); -#endif -#if LINUX_VERSION_IS_LESS(3,7,0) -#define pcie_capability_read_word LINUX_BACKPORT(pcie_capability_read_word) -int pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *val); -#define pcie_capability_read_dword LINUX_BACKPORT(pcie_capability_read_dword) -int pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *val); -#define pcie_capability_write_word LINUX_BACKPORT(pcie_capability_write_word) -int pcie_capability_write_word(struct pci_dev *dev, int pos, u16 val); -#define pcie_capability_write_dword LINUX_BACKPORT(pcie_capability_write_dword) -int pcie_capability_write_dword(struct pci_dev *dev, int pos, u32 val); -#define pcie_capability_clear_and_set_word LINUX_BACKPORT(pcie_capability_clear_and_set_word) -int pcie_capability_clear_and_set_word(struct pci_dev *dev, int pos, - u16 clear, u16 set); -#define pcie_capability_clear_and_set_dword LINUX_BACKPORT(pcie_capability_clear_and_set_dword) -int pcie_capability_clear_and_set_dword(struct pci_dev *dev, int pos, - u32 clear, u32 set); - -#define pcie_capability_set_word LINUX_BACKPORT(pcie_capability_set_word) -static inline int pcie_capability_set_word(struct pci_dev *dev, int pos, - u16 set) -{ - return pcie_capability_clear_and_set_word(dev, pos, 0, set); -} - -#define pcie_capability_set_dword LINUX_BACKPORT(pcie_capability_set_dword) -static inline int pcie_capability_set_dword(struct pci_dev *dev, int pos, - u32 set) -{ - return pcie_capability_clear_and_set_dword(dev, pos, 0, set); -} - -#define pcie_capability_clear_word LINUX_BACKPORT(pcie_capability_clear_word) -static inline int pcie_capability_clear_word(struct pci_dev *dev, int pos, - u16 clear) -{ - return pcie_capability_clear_and_set_word(dev, pos, clear, 0); -} - -#define pcie_capability_clear_dword LINUX_BACKPORT(pcie_capability_clear_dword) -static inline int pcie_capability_clear_dword(struct pci_dev *dev, int pos, - u32 clear) -{ - return pcie_capability_clear_and_set_dword(dev, pos, clear, 0); -} - -int pci_pcie_type(struct pci_dev *dev); -#endif - -#ifndef PCI_DEVICE_SUB -/** - * PCI_DEVICE_SUB - macro used to describe a specific pci device with subsystem - * @vend: the 16 bit PCI Vendor ID - * @dev: the 16 bit PCI Device ID - * @subvend: the 16 bit PCI Subvendor ID - * @subdev: the 16 bit PCI Subdevice ID - * - * This macro is used to create a struct pci_device_id that matches a - * specific device with subsystem information. - */ -#define PCI_DEVICE_SUB(vend, dev, subvend, subdev) \ - .vendor = (vend), .device = (dev), \ - .subvendor = (subvend), .subdevice = (subdev) -#endif /* PCI_DEVICE_SUB */ - -#if LINUX_VERSION_IS_LESS(3,2,0) -#define pci_dev_flags LINUX_BACKPORT(pci_dev_flags) -#define PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG LINUX_BACKPORT(PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG) -#define PCI_DEV_FLAGS_NO_D3 LINUX_BACKPORT(PCI_DEV_FLAGS_NO_D3) -#define PCI_DEV_FLAGS_ASSIGNED LINUX_BACKPORT(PCI_DEV_FLAGS_ASSIGNED) -enum pci_dev_flags { - /* INTX_DISABLE in PCI_COMMAND register disables MSI - * generation too. - */ - PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) 1, - /* Device configuration is irrevocably lost if disabled into D3 */ - PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2, - /* Provide indication device is assigned by a Virtual Machine Manager */ - PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4, -}; -#endif /* LINUX_VERSION_IS_LESS(3,2,0) */ - -#if LINUX_VERSION_IS_LESS(3,8,0) -#define pci_sriov_set_totalvfs LINUX_BACKPORT(pci_sriov_set_totalvfs) -int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs); -#endif /* LINUX_VERSION_IS_LESS(3,8,0) */ - -#if LINUX_VERSION_IS_LESS(3,10,0) -/* Taken from drivers/pci/pci.h */ -struct pci_sriov { - int pos; /* capability position */ - int nres; /* number of resources */ - u32 cap; /* SR-IOV Capabilities */ - u16 ctrl; /* SR-IOV Control */ - u16 total_VFs; /* total VFs associated with the PF */ - u16 initial_VFs; /* initial VFs associated with the PF */ - u16 num_VFs; /* number of VFs available */ - u16 offset; /* first VF Routing ID offset */ - u16 stride; /* following VF stride */ - u32 pgsz; /* page size for BAR alignment */ - u8 link; /* Function Dependency Link */ - u16 driver_max_VFs; /* max num VFs driver supports */ - struct pci_dev *dev; /* lowest numbered PF */ - struct pci_dev *self; /* this PF */ - struct mutex lock; /* lock for VF bus */ - struct work_struct mtask; /* VF Migration task */ - u8 __iomem *mstate; /* VF Migration State Array */ -}; - -#define pci_vfs_assigned LINUX_BACKPORT(pci_vfs_assigned) -#ifdef CONFIG_PCI_IOV -int pci_vfs_assigned(struct pci_dev *dev); -#else -static inline int pci_vfs_assigned(struct pci_dev *dev) -{ - return 0; -} -#endif - -#endif /* LINUX_VERSION_IS_LESS(3,10,0) */ - -#if LINUX_VERSION_IS_LESS(4,8,0) -#define pci_alloc_irq_vectors LINUX_BACKPORT(pci_alloc_irq_vectors) -#ifdef CONFIG_PCI_MSI -int pci_alloc_irq_vectors(struct pci_dev *dev, unsigned int min_vecs, - unsigned int max_vecs, unsigned int flags); -#else -static inline int pci_alloc_irq_vectors(struct pci_dev *dev, unsigned int min_vecs, - unsigned int max_vecs, unsigned int flags) -{ return -ENOSYS; } -#endif -#endif - -#if LINUX_VERSION_IS_LESS(4,8,0) -#define pci_free_irq_vectors LINUX_BACKPORT(pci_free_irq_vectors) -static inline void pci_free_irq_vectors(struct pci_dev *dev) -{ -} -#endif - -#if LINUX_VERSION_IS_LESS(3,14,0) -#define pci_enable_msi_range LINUX_BACKPORT(pci_enable_msi_range) -#ifdef CONFIG_PCI_MSI -int pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec); -#else -static inline int pci_enable_msi_range(struct pci_dev *dev, int minvec, - int maxvec) -{ return -ENOSYS; } -#endif -#endif - -#ifdef CONFIG_PCI -#if LINUX_VERSION_IS_LESS(3,14,0) -#define pci_enable_msix_range LINUX_BACKPORT(pci_enable_msix_range) -#ifdef CONFIG_PCI_MSI -int pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, - int minvec, int maxvec); -#else -static inline int pci_enable_msix_range(struct pci_dev *dev, - struct msix_entry *entries, int minvec, int maxvec) -{ return -ENOSYS; } -#endif -#endif -#endif - -#if LINUX_VERSION_IS_LESS(3,13,0) -#define pci_device_is_present LINUX_BACKPORT(pci_device_is_present) -bool pci_device_is_present(struct pci_dev *pdev); -#endif - -#ifdef CONFIG_PCI -#if LINUX_VERSION_IS_LESS(3,14,0) -#define pci_enable_msix_exact LINUX_BACKPORT(pci_enable_msix_exact) -#ifdef CONFIG_PCI_MSI -static inline int pci_enable_msix_exact(struct pci_dev *dev, - struct msix_entry *entries, int nvec) -{ - int rc = pci_enable_msix_range(dev, entries, nvec, nvec); - if (rc < 0) - return rc; - return 0; -} -#else -static inline int pci_enable_msix_exact(struct pci_dev *dev, - struct msix_entry *entries, int nvec) -{ return -ENOSYS; } -#endif /* CONFIG_PCI_MSI */ -#endif -#endif /* CONFIG_PCI */ - -#if LINUX_VERSION_IS_LESS(4,9,0) && \ - !LINUX_VERSION_IN_RANGE(3,12,69, 3,13,0) && \ - !LINUX_VERSION_IN_RANGE(4,4,37, 4,5,0) && \ - !LINUX_VERSION_IN_RANGE(4,8,13, 4,9,0) - -static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev) -{ - while (1) { - if (!pci_is_pcie(dev)) - break; - if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) - return dev; - if (!dev->bus->self) - break; - dev = dev->bus->self; - } - return NULL; -} - -#endif/* <4.9.0 but not >= 3.12.69, 4.4.37, 4.8.13 */ - -#ifndef PCI_IRQ_LEGACY -#define PCI_IRQ_LEGACY (1 << 0) /* Allow legacy interrupts */ -#define PCI_IRQ_MSI (1 << 1) /* Allow MSI interrupts */ -#define PCI_IRQ_MSIX (1 << 2) /* Allow MSI-X interrupts */ -#define PCI_IRQ_ALL_TYPES \ - (PCI_IRQ_LEGACY | PCI_IRQ_MSI | PCI_IRQ_MSIX) -#endif - -#endif /* _BACKPORT_LINUX_PCI_H */ |