diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/pci.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/pci.h b/include/pci.h index da755af852..115d3312a4 100644 --- a/include/pci.h +++ b/include/pci.h @@ -493,6 +493,17 @@ #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 */ @@ -890,12 +901,20 @@ 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 */ @@ -1208,6 +1227,25 @@ 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, |