diff options
| author |   Dave Jiang <dave.jiang@intel.com> | 2020-04-17 10:37:23 -0700 |
|---|---|---|
| committer |   Jon Mason <jdmason@kudzu.us> | 2020-04-20 10:16:23 -0400 |
| commit | 26bfe3d0b227ab6d38692640b44ce48f2d857602 (patch) | |
| tree | 47749a665269825cb02d6c4e5bc0f0bd0e110ff2 /drivers/ntb/hw/intel/ntb_hw_intel.h | |
| parent | NTB: Fix static check warning in perf_clear_test (diff) | |
| download | linux-dev-26bfe3d0b227ab6d38692640b44ce48f2d857602.tar.xz linux-dev-26bfe3d0b227ab6d38692640b44ce48f2d857602.zip | |
ntb: intel: Add Icelake (gen4) support for Intel NTB
Adding 4th generation Intel NTB support bits. There are a lot of common
parts that the gen4 NTB has with gen3 NTB on Skylake. The commonalities are
reused in gen4 Icelake NTB.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to 'drivers/ntb/hw/intel/ntb_hw_intel.h')
| -rw-r--r-- | drivers/ntb/hw/intel/ntb_hw_intel.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.h b/drivers/ntb/hw/intel/ntb_hw_intel.h index e071e28bca3f..d61fcd91714b 100644 --- a/drivers/ntb/hw/intel/ntb_hw_intel.h +++ b/drivers/ntb/hw/intel/ntb_hw_intel.h @@ -72,6 +72,7 @@ #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 /* Ntb control and link status */ #define NTB_CTL_CFG_LOCK BIT(0) @@ -120,6 +121,7 @@ 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 { @@ -182,6 +184,9 @@ 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) @@ -219,4 +224,11 @@ static inline int pdev_is_gen3(struct pci_dev *pdev) return 0; } +static inline int pdev_is_gen4(struct pci_dev *pdev) +{ + if (pdev->device == PCI_DEVICE_ID_INTEL_NTB_B2B_ICX) + return 1; + + return 0; +} #endif |