diff options
| -rw-r--r-- | include/rdma/rdmavt_qp.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index e6a7d17dcd30..1aa8b5b40f9f 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -48,6 +48,86 @@ * */ +#include <rdma/ib_pack.h> +/* + * Atomic bit definitions for r_aflags. + */ +#define RVT_R_WRID_VALID 0 +#define RVT_R_REWIND_SGE 1 + +/* + * Bit definitions for r_flags. + */ +#define RVT_R_REUSE_SGE 0x01 +#define RVT_R_RDMAR_SEQ 0x02 +#define RVT_R_RSP_NAK 0x04 +#define RVT_R_RSP_SEND 0x08 +#define RVT_R_COMM_EST 0x10 + +/* + * Bit definitions for s_flags. + * + * RVT_S_SIGNAL_REQ_WR - set if QP send WRs contain completion signaled + * RVT_S_BUSY - send tasklet is processing the QP + * RVT_S_TIMER - the RC retry timer is active + * RVT_S_ACK_PENDING - an ACK is waiting to be sent after RDMA read/atomics + * RVT_S_WAIT_FENCE - waiting for all prior RDMA read or atomic SWQEs + * before processing the next SWQE + * RVT_S_WAIT_RDMAR - waiting for a RDMA read or atomic SWQE to complete + * before processing the next SWQE + * RVT_S_WAIT_RNR - waiting for RNR timeout + * RVT_S_WAIT_SSN_CREDIT - waiting for RC credits to process next SWQE + * RVT_S_WAIT_DMA - waiting for send DMA queue to drain before generating + * next send completion entry not via send DMA + * RVT_S_WAIT_PIO - waiting for a send buffer to be available + * RVT_S_WAIT_TX - waiting for a struct verbs_txreq to be available + * RVT_S_WAIT_DMA_DESC - waiting for DMA descriptors to be available + * RVT_S_WAIT_KMEM - waiting for kernel memory to be available + * RVT_S_WAIT_PSN - waiting for a packet to exit the send DMA queue + * RVT_S_WAIT_ACK - waiting for an ACK packet before sending more requests + * RVT_S_SEND_ONE - send one packet, request ACK, then wait for ACK + * RVT_S_ECN - a BECN was queued to the send engine + */ +#define RVT_S_SIGNAL_REQ_WR 0x0001 +#define RVT_S_BUSY 0x0002 +#define RVT_S_TIMER 0x0004 +#define RVT_S_RESP_PENDING 0x0008 +#define RVT_S_ACK_PENDING 0x0010 +#define RVT_S_WAIT_FENCE 0x0020 +#define RVT_S_WAIT_RDMAR 0x0040 +#define RVT_S_WAIT_RNR 0x0080 +#define RVT_S_WAIT_SSN_CREDIT 0x0100 +#define RVT_S_WAIT_DMA 0x0200 +#define RVT_S_WAIT_PIO 0x0400 +#define RVT_S_WAIT_TX 0x0800 +#define RVT_S_WAIT_DMA_DESC 0x1000 +#define RVT_S_WAIT_KMEM 0x2000 +#define RVT_S_WAIT_PSN 0x4000 +#define RVT_S_WAIT_ACK 0x8000 +#define RVT_S_SEND_ONE 0x10000 +#define RVT_S_UNLIMITED_CREDIT 0x20000 +#define RVT_S_AHG_VALID 0x40000 +#define RVT_S_AHG_CLEAR 0x80000 +#define RVT_S_ECN 0x100000 + +/* + * Wait flags that would prevent any packet type from being sent. + */ +#define RVT_S_ANY_WAIT_IO (RVT_S_WAIT_PIO | RVT_S_WAIT_TX | \ + RVT_S_WAIT_DMA_DESC | RVT_S_WAIT_KMEM) + +/* + * Wait flags that would prevent send work requests from making progress. + */ +#define RVT_S_ANY_WAIT_SEND (RVT_S_WAIT_FENCE | RVT_S_WAIT_RDMAR | \ + RVT_S_WAIT_RNR | RVT_S_WAIT_SSN_CREDIT | RVT_S_WAIT_DMA | \ + RVT_S_WAIT_PSN | RVT_S_WAIT_ACK) + +#define RVT_S_ANY_WAIT (RVT_S_ANY_WAIT_IO | RVT_S_ANY_WAIT_SEND) + +/* Number of bits to pay attention to in the opcode for checking qp type */ +#define RVT_OPCODE_QP_MASK 0xE0 + /* * Send work request queue entry. * The size of the sg_list is determined when the QP is created and stored |