Commit d24bbd59 authored by Ben Walker's avatar Ben Walker Committed by Tomasz Zawadzki
Browse files

idxd: Calculate number of descriptors per channel based on total wq size 



Assume any given WQ we are allocated can submit the full device allowed
queue depth.

Signed-off-by: default avatarBen Walker <benjamin.walker@intel.com>
Change-Id: I044e1f70031ea83ae722ed285b84c06b3e5efb27
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11486


Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <smatsumoto@nvidia.com>
Reviewed-by: default avatarPaul Luse <paul.e.luse@intel.com>
parent b3d3f202

lib/idxd/idxd.c

+1 −1
Original line number Diff line number Diff line
@@ -124,7 +124,7 @@ spdk_idxd_get_channel(struct spdk_idxd_device *idxd) 
	pthread_mutex_unlock(&idxd->num_channels_lock);



	/* Allocate descriptors and completions */

	num_descriptors = idxd->queues[0].wqcfg.wq_size / idxd->chan_per_device;

	num_descriptors = idxd->total_wq_size / idxd->chan_per_device;

	chan->desc_base = desc = spdk_zmalloc(num_descriptors * sizeof(struct idxd_hw_desc),

					      0x40, NULL,

					      SPDK_ENV_LCORE_ID_ANY, SPDK_MALLOC_DMA);