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_gen3.h | |
| parent | NTB: Fix static check warning in perf_clear_test (diff) | |
| download | wireguard-linux-26bfe3d0b227ab6d38692640b44ce48f2d857602.tar.xz wireguard-linux-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_gen3.h')
| -rw-r--r-- | drivers/ntb/hw/intel/ntb_hw_gen3.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ntb/hw/intel/ntb_hw_gen3.h b/drivers/ntb/hw/intel/ntb_hw_gen3.h index 75fb86ca27bb..2bc5d8356045 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen3.h +++ b/drivers/ntb/hw/intel/ntb_hw_gen3.h @@ -104,6 +104,14 @@ static inline void gen3_db_iowrite(u64 bits, void __iomem *mmio) ssize_t ndev_ntb3_debugfs_read(struct file *filp, char __user *ubuf, size_t count, loff_t *offp); int gen3_init_dev(struct intel_ntb_dev *ndev); +int intel_ntb3_link_enable(struct ntb_dev *ntb, enum ntb_speed max_speed, + enum ntb_width max_width); +u64 intel_ntb3_db_read(struct ntb_dev *ntb); +int intel_ntb3_db_clear(struct ntb_dev *ntb, u64 db_bits); +int intel_ntb3_peer_db_set(struct ntb_dev *ntb, u64 db_bits); +int intel_ntb3_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr, + resource_size_t *db_size, + u64 *db_data, int db_bit); extern const struct ntb_dev_ops intel_ntb3_ops; |