diff options
| author | Ranjan Kumar <ranjan.kumar@broadcom.com> | 2024-08-08 18:24:17 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2024-08-12 21:59:12 -0400 |
| commit | 199510e33dea357e48389241a28b8d43762394e8 (patch) | |
| tree | 2226d8eb88a871a2b4606709390e793aa0891a9e /drivers/scsi/mpi3mr/mpi3mr_fw.c | |
| parent | 6dc7050d46713591f4d9e1030b92b964287037ec (diff) | |
scsi: mpi3mr: Update consumer index of reply queues after every 100 replies
Instead of updating the ConsumerIndex of the Admin and Operational
ReplyQueues after processing all replies in the queue, the index will now
be periodically updated after processing every 100 replies.
Co-developed-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20240808125418.8832-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_fw.c')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_fw.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 169850393580..6eb5bcd8e757 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -443,6 +443,7 @@ int mpi3mr_process_admin_reply_q(struct mpi3mr_ioc *mrioc) u32 admin_reply_ci = mrioc->admin_reply_ci; u32 num_admin_replies = 0; u64 reply_dma = 0; + u16 threshold_comps = 0; struct mpi3_default_reply_descriptor *reply_desc; if (!atomic_add_unless(&mrioc->admin_reply_q_in_use, 1, 1)) @@ -466,6 +467,7 @@ int mpi3mr_process_admin_reply_q(struct mpi3mr_ioc *mrioc) if (reply_dma) mpi3mr_repost_reply_buf(mrioc, reply_dma); num_admin_replies++; + threshold_comps++; if (++admin_reply_ci == mrioc->num_admin_replies) { admin_reply_ci = 0; exp_phase ^= 1; @@ -476,6 +478,11 @@ int mpi3mr_process_admin_reply_q(struct mpi3mr_ioc *mrioc) if ((le16_to_cpu(reply_desc->reply_flags) & MPI3_REPLY_DESCRIPT_FLAGS_PHASE_MASK) != exp_phase) break; + if (threshold_comps == MPI3MR_THRESHOLD_REPLY_COUNT) { + writel(admin_reply_ci, + &mrioc->sysif_regs->admin_reply_queue_ci); + threshold_comps = 0; + } } while (1); writel(admin_reply_ci, &mrioc->sysif_regs->admin_reply_queue_ci); @@ -529,7 +536,7 @@ int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc, u32 num_op_reply = 0; u64 reply_dma = 0; struct mpi3_default_reply_descriptor *reply_desc; - u16 req_q_idx = 0, reply_qidx; + u16 req_q_idx = 0, reply_qidx, threshold_comps = 0; reply_qidx = op_reply_q->qid - 1; @@ -560,6 +567,7 @@ int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc, if (reply_dma) mpi3mr_repost_reply_buf(mrioc, reply_dma); num_op_reply++; + threshold_comps++; if (++reply_ci == op_reply_q->num_replies) { reply_ci = 0; @@ -581,13 +589,19 @@ int mpi3mr_process_op_reply_q(struct mpi3mr_ioc *mrioc, break; } #endif + if (threshold_comps == MPI3MR_THRESHOLD_REPLY_COUNT) { + writel(reply_ci, + &mrioc->sysif_regs->oper_queue_indexes[reply_qidx].consumer_index); + atomic_sub(threshold_comps, &op_reply_q->pend_ios); + threshold_comps = 0; + } } while (1); writel(reply_ci, &mrioc->sysif_regs->oper_queue_indexes[reply_qidx].consumer_index); op_reply_q->ci = reply_ci; op_reply_q->ephase = exp_phase; - + atomic_sub(threshold_comps, &op_reply_q->pend_ios); atomic_dec(&op_reply_q->in_use); return num_op_reply; } |