diff options
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_io_defs.h')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_io_defs.h | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/efa/efa_io_defs.h b/drivers/infiniband/hw/efa/efa_io_defs.h index 17ba8984b11e..2d8eb96eaa81 100644 --- a/drivers/infiniband/hw/efa/efa_io_defs.h +++ b/drivers/infiniband/hw/efa/efa_io_defs.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ /* - * Copyright 2018-2022 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2023 Amazon.com, Inc. or its affiliates. All rights reserved. */ #ifndef _EFA_IO_H_ @@ -23,6 +23,8 @@ enum efa_io_send_op_type { EFA_IO_SEND = 0, /* RDMA read */ EFA_IO_RDMA_READ = 1, + /* RDMA write */ + EFA_IO_RDMA_WRITE = 2, }; enum efa_io_comp_status { @@ -62,8 +64,7 @@ struct efa_io_tx_meta_desc { /* * control flags - * 3:0 : op_type - operation type: send/rdma/fast mem - * ops/etc + * 3:0 : op_type - enum efa_io_send_op_type * 4 : has_imm - immediate_data field carries valid * data. * 5 : inline_msg - inline mode - inline message data @@ -219,21 +220,22 @@ struct efa_io_cdesc_common { * 2:1 : q_type - enum efa_io_queue_type: send/recv * 3 : has_imm - indicates that immediate data is * present - for RX completions only - * 7:4 : reserved28 - MBZ + * 6:4 : op_type - enum efa_io_send_op_type + * 7 : reserved31 - MBZ */ u8 flags; /* local QP number */ u16 qp_num; - - /* Transferred length */ - u16 length; }; /* Tx completion descriptor */ struct efa_io_tx_cdesc { /* Common completion info */ struct efa_io_cdesc_common common; + + /* MBZ */ + u16 reserved16; }; /* Rx Completion Descriptor */ @@ -241,6 +243,9 @@ struct efa_io_rx_cdesc { /* Common completion info */ struct efa_io_cdesc_common common; + /* Transferred length bits[15:0] */ + u16 length; + /* Remote Address Handle FW index, 0xFFFF indicates invalid ah */ u16 ah; @@ -250,16 +255,26 @@ struct efa_io_rx_cdesc { u32 imm; }; +/* Rx Completion Descriptor RDMA write info */ +struct efa_io_rx_cdesc_rdma_write { + /* Transferred length bits[31:16] */ + u16 length_hi; +}; + /* Extended Rx Completion Descriptor */ struct efa_io_rx_cdesc_ex { /* Base RX completion info */ - struct efa_io_rx_cdesc rx_cdesc_base; + struct efa_io_rx_cdesc base; - /* - * Valid only in case of unknown AH (0xFFFF) and CQ set_src_addr is - * enabled. - */ - u8 src_addr[16]; + union { + struct efa_io_rx_cdesc_rdma_write rdma_write; + + /* + * Valid only in case of unknown AH (0xFFFF) and CQ + * set_src_addr is enabled. + */ + u8 src_addr[16]; + } u; }; /* tx_meta_desc */ @@ -285,5 +300,6 @@ struct efa_io_rx_cdesc_ex { #define EFA_IO_CDESC_COMMON_PHASE_MASK BIT(0) #define EFA_IO_CDESC_COMMON_Q_TYPE_MASK GENMASK(2, 1) #define EFA_IO_CDESC_COMMON_HAS_IMM_MASK BIT(3) +#define EFA_IO_CDESC_COMMON_OP_TYPE_MASK GENMASK(6, 4) #endif /* _EFA_IO_H_ */ |