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mpi3mr: Update consumer index of admin and operational reply queues after every 100 replies

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Instead of updating the ConsumerIndex of the Admin and Operational ReplyQueues
after processing all replies in the queue, it will now be periodically updated
after processing every 100 replies.

Reviewed by:            imp
Approved by:            imp
Differential revision:  https://reviews.freebsd.org/D44425
This commit is contained in:
Chandrakanth patil 2024-03-15 00:11:07 +05:30 committed by Sumit Saxena
parent 571f1d0638
commit eb7a4b35de
2 changed files with 15 additions and 1 deletions
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14
sys/dev/mpi3mr/mpi3mr.c
View file

@ -4388,6 +4388,7 @@ static int mpi3mr_complete_admin_cmd(struct mpi3mr_softc *sc)
U32 num_adm_reply = 0;
U64 reply_dma = 0;
Mpi3DefaultReplyDescriptor_t *reply_desc;
U16 threshold_comps = 0;
mtx_lock_spin(&sc->admin_reply_lock);
if (sc->admin_in_use == false) {
@ -4425,6 +4426,11 @@ static int mpi3mr_complete_admin_cmd(struct mpi3mr_softc *sc)
if ((reply_desc->ReplyFlags &
MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase)
break;
if (++threshold_comps == MPI3MR_THRESHOLD_REPLY_COUNT) {
mpi3mr_regwrite(sc, MPI3_SYSIF_ADMIN_REPLY_Q_CI_OFFSET, adm_reply_ci);
threshold_comps = 0;
}
} while (1);
mpi3mr_regwrite(sc, MPI3_SYSIF_ADMIN_REPLY_Q_CI_OFFSET, adm_reply_ci);
@ -4837,7 +4843,7 @@ int mpi3mr_complete_io_cmd(struct mpi3mr_softc *sc,
U32 num_op_replies = 0;
U64 reply_dma = 0;
Mpi3DefaultReplyDescriptor_t *reply_desc;
U16 req_qid = 0;
U16 req_qid = 0, threshold_comps = 0;
mtx_lock_spin(&op_reply_q->q_lock);
if (op_reply_q->in_use == false) {
@ -4882,6 +4888,12 @@ int mpi3mr_complete_io_cmd(struct mpi3mr_softc *sc,
if ((reply_desc->ReplyFlags &
MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase)
break;
if (++threshold_comps == MPI3MR_THRESHOLD_REPLY_COUNT) {
mpi3mr_regwrite(sc, MPI3_SYSIF_OPER_REPLY_Q_N_CI_OFFSET(op_reply_q->qid), reply_ci);
threshold_comps = 0;
}
} while (1);

2
sys/dev/mpi3mr/mpi3mr.h
View file

@ -123,6 +123,8 @@
#define MPI3MR_OP_REP_Q_QD 1024
#define MPI3MR_OP_REP_Q_QD_A0 4096
#define MPI3MR_THRESHOLD_REPLY_COUNT 100
#define MPI3MR_CHAINSGE_SIZE MPI3MR_4K_PGSZ
#define MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST \