ntb: intel: split out the gen3 code

Move the Intel hw gen3 code to its own source file. The ntb_hw_intel.c was
getting too large and makes it hard to maintain with future hardware
changes.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

1 files changed, 60 insertions, 0 deletions

diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.h b/drivers/ntb/hw/intel/ntb_hw_intel.h
index bdfa302e0152..46d757c3850e 100644
--- a/drivers/ntb/hw/intel/ntb_hw_intel.h
+++ b/drivers/ntb/hw/intel/ntb_hw_intel.h
@@ -187,4 +187,64 @@ struct intel_ntb_dev {
 #define hb_ndev(__work) container_of(__work, struct intel_ntb_dev, \
                                      hb_timer.work)
 
+static inline int pdev_is_xeon(struct pci_dev *pdev)
+{
+        switch (pdev->device) {
+        case PCI_DEVICE_ID_INTEL_NTB_SS_JSF:
+        case PCI_DEVICE_ID_INTEL_NTB_SS_SNB:
+        case PCI_DEVICE_ID_INTEL_NTB_SS_IVT:
+        case PCI_DEVICE_ID_INTEL_NTB_SS_HSX:
+        case PCI_DEVICE_ID_INTEL_NTB_SS_BDX:
+        case PCI_DEVICE_ID_INTEL_NTB_PS_JSF:
+        case PCI_DEVICE_ID_INTEL_NTB_PS_SNB:
+        case PCI_DEVICE_ID_INTEL_NTB_PS_IVT:
+        case PCI_DEVICE_ID_INTEL_NTB_PS_HSX:
+        case PCI_DEVICE_ID_INTEL_NTB_PS_BDX:
+        case PCI_DEVICE_ID_INTEL_NTB_B2B_JSF:
+        case PCI_DEVICE_ID_INTEL_NTB_B2B_SNB:
+        case PCI_DEVICE_ID_INTEL_NTB_B2B_IVT:
+        case PCI_DEVICE_ID_INTEL_NTB_B2B_HSX:
+        case PCI_DEVICE_ID_INTEL_NTB_B2B_BDX:
+                return 1;
+        }
+        return 0;
+}
+
+static inline int pdev_is_skx_xeon(struct pci_dev *pdev)
+{
+        if (pdev->device == PCI_DEVICE_ID_INTEL_NTB_B2B_SKX)
+                return 1;
+
+        return 0;
+}
+
+#ifndef ioread64
+#ifdef readq
+#define ioread64 readq
+#else
+#define ioread64 _ioread64
+static inline u64 _ioread64(void __iomem *mmio)
+{
+        u64 low, high;
+
+        low = ioread32(mmio);
+        high = ioread32(mmio + sizeof(u32));
+        return low | (high << 32);
+}
+#endif
+#endif
+
+#ifndef iowrite64
+#ifdef writeq
+#define iowrite64 writeq
+#else
+#define iowrite64 _iowrite64
+static inline void _iowrite64(u64 val, void __iomem *mmio)
+{
+        iowrite32(val, mmio);
+        iowrite32(val >> 32, mmio + sizeof(u32));
+}
+#endif
+#endif
+
 #endif