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| 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.c | |
| parent | a0348a4da1a7073fa14065f370f507073b857782 (diff) | |
| download | linux-26bfe3d0b227ab6d38692640b44ce48f2d857602.tar.gz linux-26bfe3d0b227ab6d38692640b44ce48f2d857602.tar.bz2 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.c')
| -rw-r--r-- | drivers/ntb/hw/intel/ntb_hw_gen3.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/ntb/hw/intel/ntb_hw_gen3.c b/drivers/ntb/hw/intel/ntb_hw_gen3.c index c3397160db7f..ffcfc3e02c35 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen3.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen3.c @@ -415,9 +415,8 @@ ssize_t ndev_ntb3_debugfs_read(struct file *filp, char __user *ubuf, return ret; } -static int intel_ntb3_link_enable(struct ntb_dev *ntb, - enum ntb_speed max_speed, - enum ntb_width max_width) +int intel_ntb3_link_enable(struct ntb_dev *ntb, enum ntb_speed max_speed, + enum ntb_width max_width) { struct intel_ntb_dev *ndev; u32 ntb_ctl; @@ -532,7 +531,7 @@ static int intel_ntb3_mw_set_trans(struct ntb_dev *ntb, int pidx, int idx, return 0; } -static int intel_ntb3_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr, +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) { @@ -563,7 +562,7 @@ static int intel_ntb3_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr, return 0; } -static int intel_ntb3_peer_db_set(struct ntb_dev *ntb, u64 db_bits) +int intel_ntb3_peer_db_set(struct ntb_dev *ntb, u64 db_bits) { struct intel_ntb_dev *ndev = ntb_ndev(ntb); int bit; @@ -581,7 +580,7 @@ static int intel_ntb3_peer_db_set(struct ntb_dev *ntb, u64 db_bits) return 0; } -static u64 intel_ntb3_db_read(struct ntb_dev *ntb) +u64 intel_ntb3_db_read(struct ntb_dev *ntb) { struct intel_ntb_dev *ndev = ntb_ndev(ntb); @@ -590,7 +589,7 @@ static u64 intel_ntb3_db_read(struct ntb_dev *ntb) ndev->self_reg->db_clear); } -static int intel_ntb3_db_clear(struct ntb_dev *ntb, u64 db_bits) +int intel_ntb3_db_clear(struct ntb_dev *ntb, u64 db_bits) { struct intel_ntb_dev *ndev = ntb_ndev(ntb); |