diff options
Diffstat (limited to 'include/pci.h')
| -rw-r--r-- | include/pci.h | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/include/pci.h b/include/pci.h index 2089db9f16..1c5b36617e 100644 --- a/include/pci.h +++ b/include/pci.h @@ -465,6 +465,9 @@ #define PCI_EA_FIRST_ENT 4 /* First EA Entry in List */ #define PCI_EA_ES 0x00000007 /* Entry Size */ #define PCI_EA_BEI 0x000000f0 /* BAR Equivalent Indicator */ +/* 9-14 map to VF BARs 0-5 respectively */ +#define PCI_EA_BEI_VF_BAR0 9 +#define PCI_EA_BEI_VF_BAR5 14 /* Base, MaxOffset registers */ /* bit 0 is reserved */ #define PCI_EA_IS_64 0x00000002 /* 64-bit field flag */ @@ -493,6 +496,17 @@ #define PCI_EXP_SLTCAP 20 /* Slot Capabilities */ #define PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */ #define PCI_EXP_LNKCTL2 48 /* Link Control 2 */ +/* Single Root I/O Virtualization Registers */ +#define PCI_SRIOV_CAP 0x04 /* SR-IOV Capabilities */ +#define PCI_SRIOV_CTRL 0x08 /* SR-IOV Control */ +#define PCI_SRIOV_CTRL_VFE 0x01 /* VF Enable */ +#define PCI_SRIOV_CTRL_MSE 0x08 /* VF Memory Space Enable */ +#define PCI_SRIOV_INITIAL_VF 0x0c /* Initial VFs */ +#define PCI_SRIOV_TOTAL_VF 0x0e /* Total VFs */ +#define PCI_SRIOV_NUM_VF 0x10 /* Number of VFs */ +#define PCI_SRIOV_VF_OFFSET 0x14 /* First VF Offset */ +#define PCI_SRIOV_VF_STRIDE 0x16 /* Following VF Stride */ +#define PCI_SRIOV_VF_DID 0x1a /* VF Device ID */ /* Include the ID list */ @@ -590,8 +604,6 @@ extern void pci_cfgfunc_do_nothing(struct pci_controller* hose, pci_dev_t dev, extern void pci_cfgfunc_config_device(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *); -#define MAX_PCI_REGIONS 7 - #define INDIRECT_TYPE_NO_PCIE_LINK 1 /** @@ -632,7 +644,7 @@ struct pci_controller { * for PCI controllers and a separate UCLASS (or perhaps * UCLASS_PCI_GENERIC) is used for bridges. */ - struct pci_region regions[MAX_PCI_REGIONS]; + struct pci_region *regions; int region_count; struct pci_config_table *config_table; @@ -892,12 +904,20 @@ struct udevice; * @vendor: PCI vendor ID (see pci_ids.h) * @device: PCI device ID (see pci_ids.h) * @class: PCI class, 3 bytes: (base, sub, prog-if) + * @is_virtfn: True for Virtual Function device + * @pfdev: Handle to Physical Function device + * @virtid: Virtual Function Index */ struct pci_child_platdata { int devfn; unsigned short vendor; unsigned short device; unsigned int class; + + /* Variables for CONFIG_PCI_SRIOV */ + bool is_virtfn; + struct udevice *pfdev; + int virtid; }; /* PCI bus operations */ @@ -1210,6 +1230,25 @@ int pci_generic_mmap_read_config( ulong *valuep, enum pci_size_t size); +#if defined(CONFIG_PCI_SRIOV) +/** + * pci_sriov_init() - Scan Virtual Function devices + * + * @pdev: Physical Function udevice handle + * @vf_en: Number of Virtual Function devices to enable + * @return 0 on success, -ve on error + */ +int pci_sriov_init(struct udevice *pdev, int vf_en); + +/** + * pci_sriov_get_totalvfs() - Get total available Virtual Function devices + * + * @pdev: Physical Function udevice handle + * @return count on success, -ve on error + */ +int pci_sriov_get_totalvfs(struct udevice *pdev); +#endif + #ifdef CONFIG_DM_PCI_COMPAT /* Compatibility with old naming */ static inline int pci_write_config_dword(pci_dev_t pcidev, int offset, |