Commit 86bb0df1 authored by Ben Walker's avatar Ben Walker Committed by Tomasz Zawadzki
Browse files

idxd: Bump batch size to 32 



Increase the batch size and with it the effective queue depth per
channel to 512.

Change-Id: Ide665e92d47ee753c141f34dd6a8bc4d040fe8db
Signed-off-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11031


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarJohn Kariuki <John.K.Kariuki@intel.com>
parent 4b8a57ee

lib/idxd/idxd.h

+2 −2
Original line number Diff line number Diff line
@@ -61,8 +61,8 @@ static inline void movdir64b(void *dst, const void *src) 


/* TODO: consider setting the max per batch limit via RPC. */



/* The following sets up a max desc count per batch of 16 */

#define LOG2_WQ_MAX_BATCH	4  /* 2^4 = 16 */

/* The following sets up a max desc count per batch of 32 */

#define LOG2_WQ_MAX_BATCH	5  /* 2^5 = 32 */

#define DESC_PER_BATCH		(1 << LOG2_WQ_MAX_BATCH)

#define MIN_USER_DESC_COUNT	2

test/unit/lib/idxd/idxd_user.c/idxd_user_ut.c

+1 −1
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ test_idxd_wq_config(void) 
	struct spdk_user_idxd_device user_idxd = {};

	struct spdk_idxd_device *idxd = &user_idxd.idxd;

	union idxd_wqcfg wqcfg = {};

	uint32_t expected[8] = {0x40, 0, 0x11, 0x9e, 0, 0, 0x40000000, 0};

	uint32_t expected[8] = {0x40, 0, 0x11, 0xbe, 0, 0, 0x40000000, 0};

	uint32_t wq_size;

	int rc, i, j;