diff options
| author | Linus Torvalds | 2019-03-15 14:32:59 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2019-03-15 14:32:59 -0700 |
| commit | e8a71a38668919c53e6ca9dd1bfa977e5690523f (patch) | |
| tree | e04a7b81eb8d6a2d0f03f45dfbbf0d8378ce874c /include | |
| parent | 2b9c272cf5cd81708e51b4ce3e432ce9566cfa47 (diff) | |
| parent | ebb09b33c60c46fd4f7ffa0af9e693eebe765d1b (diff) | |
Merge tag 'ntb-5.1' of git://github.com/jonmason/ntb
Pull NTB updates from Jon Mason:
- fixes for switchtec debugability and mapping table entries
- NTB transport improvements
- a reworking of the peer_db_addr for better abstraction
* tag 'ntb-5.1' of git://github.com/jonmason/ntb:
NTB: add new parameter to peer_db_addr() db_bit and db_data
NTB: ntb_transport: Ensure the destination buffer is mapped for TX DMA
NTB: ntb_transport: Free MWs in ntb_transport_link_cleanup()
ntb_hw_switchtec: Added support of >=4G memory windows
ntb_hw_switchtec: NT req id mapping table register entry number should be 512
ntb_hw_switchtec: debug print 64bit aligned crosslink BAR Numbers
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ntb.h | 10 | ||||
| -rw-r--r-- | include/linux/switchtec.h | 10 |
2 files changed, 14 insertions, 6 deletions
diff --git a/include/linux/ntb.h b/include/linux/ntb.h index 181d16601dd9..56a92e3ae3ae 100644 --- a/include/linux/ntb.h +++ b/include/linux/ntb.h @@ -296,7 +296,8 @@ struct ntb_dev_ops { int (*db_clear_mask)(struct ntb_dev *ntb, u64 db_bits); int (*peer_db_addr)(struct ntb_dev *ntb, - phys_addr_t *db_addr, resource_size_t *db_size); + phys_addr_t *db_addr, resource_size_t *db_size, + u64 *db_data, int db_bit); u64 (*peer_db_read)(struct ntb_dev *ntb); int (*peer_db_set)(struct ntb_dev *ntb, u64 db_bits); int (*peer_db_clear)(struct ntb_dev *ntb, u64 db_bits); @@ -1078,6 +1079,8 @@ static inline int ntb_db_clear_mask(struct ntb_dev *ntb, u64 db_bits) * @ntb: NTB device context. * @db_addr: OUT - The address of the peer doorbell register. * @db_size: OUT - The number of bytes to write the peer doorbell register. + * @db_data: OUT - The data of peer doorbell register + * @db_bit: door bell bit number * * Return the address of the peer doorbell register. This may be used, for * example, by drivers that offload memory copy operations to a dma engine. @@ -1091,12 +1094,13 @@ static inline int ntb_db_clear_mask(struct ntb_dev *ntb, u64 db_bits) */ static inline int ntb_peer_db_addr(struct ntb_dev *ntb, phys_addr_t *db_addr, - resource_size_t *db_size) + resource_size_t *db_size, + u64 *db_data, int db_bit) { if (!ntb->ops->peer_db_addr) return -EINVAL; - return ntb->ops->peer_db_addr(ntb, db_addr, db_size); + return ntb->ops->peer_db_addr(ntb, db_addr, db_size, db_data, db_bit); } /** diff --git a/include/linux/switchtec.h b/include/linux/switchtec.h index eee0412bdf4b..52a079b3a9a6 100644 --- a/include/linux/switchtec.h +++ b/include/linux/switchtec.h @@ -248,9 +248,13 @@ struct ntb_ctrl_regs { u32 win_size; u64 xlate_addr; } bar_entry[6]; - u32 reserved2[216]; - u32 req_id_table[256]; - u32 reserved3[512]; + struct { + u32 win_size; + u32 reserved[3]; + } bar_ext_entry[6]; + u32 reserved2[192]; + u32 req_id_table[512]; + u32 reserved3[256]; u64 lut_entry[512]; } __packed; |