diff options
Diffstat (limited to 'drivers/ntb/hw/intel/ntb_hw_intel.h')
| -rw-r--r-- | drivers/ntb/hw/intel/ntb_hw_intel.h | 40 |
1 files changed, 14 insertions, 26 deletions
diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.h b/drivers/ntb/hw/intel/ntb_hw_intel.h index c49ff8970ce3..da4d5fe55bab 100644 --- a/drivers/ntb/hw/intel/ntb_hw_intel.h +++ b/drivers/ntb/hw/intel/ntb_hw_intel.h @@ -43,9 +43,6 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Intel PCIe NTB Linux driver - * - * Contact Information: - * Jon Mason <jon.mason@intel.com> */ #ifndef NTB_HW_INTEL_H @@ -53,6 +50,7 @@ #include <linux/ntb.h> #include <linux/pci.h> +#include <linux/io-64-nonatomic-lo-hi.h> /* PCI device IDs */ #define PCI_DEVICE_ID_INTEL_NTB_B2B_JSF 0x3725 @@ -71,6 +69,8 @@ #define PCI_DEVICE_ID_INTEL_NTB_PS_BDX 0x6F0E #define PCI_DEVICE_ID_INTEL_NTB_SS_BDX 0x6F0F #define PCI_DEVICE_ID_INTEL_NTB_B2B_SKX 0x201C +#define PCI_DEVICE_ID_INTEL_NTB_B2B_ICX 0x347e +#define PCI_DEVICE_ID_INTEL_NTB_B2B_GNR 0x0db4 /* Ntb control and link status */ #define NTB_CTL_CFG_LOCK BIT(0) @@ -101,7 +101,7 @@ struct intel_ntb_dev; struct intel_ntb_reg { int (*poll_link)(struct intel_ntb_dev *ndev); int (*link_is_up)(struct intel_ntb_dev *ndev); - u64 (*db_ioread)(void __iomem *mmio); + u64 (*db_ioread)(const void __iomem *mmio); void (*db_iowrite)(u64 db_bits, void __iomem *mmio); unsigned long ntb_ctl; resource_size_t db_size; @@ -119,6 +119,7 @@ struct intel_ntb_xlat_reg { unsigned long bar0_base; unsigned long bar2_xlat; unsigned long bar2_limit; + unsigned short bar2_idx; }; struct intel_b2b_addr { @@ -181,6 +182,9 @@ struct intel_ntb_dev { struct dentry *debugfs_dir; struct dentry *debugfs_info; + + /* gen4 entries */ + int dev_up; }; #define ntb_ndev(__ntb) container_of(__ntb, struct intel_ntb_dev, ntb) @@ -218,33 +222,17 @@ static inline int pdev_is_gen3(struct pci_dev *pdev) return 0; } -#ifndef ioread64 -#ifdef readq -#define ioread64 readq -#else -#define ioread64 _ioread64 -static inline u64 _ioread64(void __iomem *mmio) +static inline int pdev_is_gen4(struct pci_dev *pdev) { - u64 low, high; + if (pdev->device == PCI_DEVICE_ID_INTEL_NTB_B2B_ICX) + return 1; - low = ioread32(mmio); - high = ioread32(mmio + sizeof(u32)); - return low | (high << 32); + return 0; } -#endif -#endif -#ifndef iowrite64 -#ifdef writeq -#define iowrite64 writeq -#else -#define iowrite64 _iowrite64 -static inline void _iowrite64(u64 val, void __iomem *mmio) +static inline int pdev_is_gen5(struct pci_dev *pdev) { - iowrite32(val, mmio); - iowrite32(val >> 32, mmio + sizeof(u32)); + return pdev->device == PCI_DEVICE_ID_INTEL_NTB_B2B_GNR; } -#endif -#endif #endif |