diff options
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; |