diff mbox series

[v2,4/5] event/cnxk: reduce workslot memory consumption

Message ID	20211103005213.2066-4-pbhagavatula@marvell.com (mailing list archive)
State	Accepted, archived
Delegated to:	Jerin Jacob
Headers	From: <pbhagavatula@marvell.com> To: <jerinj@marvell.com>, Pavan Nikhilesh <pbhagavatula@marvell.com>, "Shijith Thotton" <sthotton@marvell.com> CC: <dev@dpdk.org> Date: Wed, 3 Nov 2021 06:22:12 +0530 Message-ID: <20211103005213.2066-4-pbhagavatula@marvell.com> In-Reply-To: <20211103005213.2066-1-pbhagavatula@marvell.com> References: <20210902070034.1086-1-pbhagavatula@marvell.com> <20211103005213.2066-1-pbhagavatula@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Subject: [dpdk-dev] [PATCH v2 4/5] event/cnxk: reduce workslot memory consumption Precedence: list Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org>
Series	[v2,1/5] common/cnxk: add SSO XAQ pool create and free \| [v2,1/5] common/cnxk: add SSO XAQ pool create and free [v2,2/5] event/cnxk: use common XAQ pool APIs [v2,3/5] event/cnxk: fix packet Tx overflow [v2,4/5] event/cnxk: reduce workslot memory consumption [v2,5/5] event/cnxk: rework enqueue path

Checks

Context	Check	Description
ci/checkpatch	success	coding style OK

Commit Message

Pavan Nikhilesh Bhagavatula Nov. 3, 2021, 12:52 a.m. UTC

  From: Pavan Nikhilesh <pbhagavatula@marvell.com>

SSO group base addresses are always are always contiguous we
need not store all the base addresses in workslot memory, instead
just store the base address and compute the group address offset
when required.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
 drivers/event/cnxk/cn10k_eventdev.c |  5 ++---
 drivers/event/cnxk/cn10k_worker.h   |  3 ++-
 drivers/event/cnxk/cn9k_eventdev.c  |  8 +++-----
 drivers/event/cnxk/cn9k_worker.h    |  6 ++++--
 drivers/event/cnxk/cnxk_eventdev.c  | 15 ++++++---------
 drivers/event/cnxk/cnxk_eventdev.h  |  8 ++++----
 6 files changed, 21 insertions(+), 24 deletions(-)

diff mbox series

Patch

diff --git a/drivers/event/cnxk/cn10k_eventdev.c b/drivers/event/cnxk/cn10k_eventdev.c
index 2431875766..c5a8c1ae8f 100644
--- a/drivers/event/cnxk/cn10k_eventdev.c
+++ b/drivers/event/cnxk/cn10k_eventdev.c
@@ -91,14 +91,13 @@  cn10k_sso_hws_unlink(void *arg, void *port, uint16_t *map, uint16_t nb_link)
 }
 
 static void
-cn10k_sso_hws_setup(void *arg, void *hws, uintptr_t *grps_base)
+cn10k_sso_hws_setup(void *arg, void *hws, uintptr_t grp_base)
 {
 	struct cnxk_sso_evdev *dev = arg;
 	struct cn10k_sso_hws *ws = hws;
 	uint64_t val;
 
-	rte_memcpy(ws->grps_base, grps_base,
-		   sizeof(uintptr_t) * CNXK_SSO_MAX_HWGRP);
+	ws->grp_base = grp_base;
 	ws->fc_mem = (uint64_t *)dev->fc_iova;
 	ws->xaq_lmt = dev->xaq_lmt;
 
diff --git a/drivers/event/cnxk/cn10k_worker.h b/drivers/event/cnxk/cn10k_worker.h
index 657ab91ac8..f8331e88d7 100644
--- a/drivers/event/cnxk/cn10k_worker.h
+++ b/drivers/event/cnxk/cn10k_worker.h
@@ -30,7 +30,8 @@  cn10k_sso_hws_new_event(struct cn10k_sso_hws *ws, const struct rte_event *ev)
 	if (ws->xaq_lmt <= *ws->fc_mem)
 		return 0;
 
-	cnxk_sso_hws_add_work(event_ptr, tag, new_tt, ws->grps_base[grp]);
+	cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
+			      ws->grp_base + (grp << 12));
 	return 1;
 }
 
diff --git a/drivers/event/cnxk/cn9k_eventdev.c b/drivers/event/cnxk/cn9k_eventdev.c
index c364336023..6e2787252e 100644
--- a/drivers/event/cnxk/cn9k_eventdev.c
+++ b/drivers/event/cnxk/cn9k_eventdev.c
@@ -87,7 +87,7 @@  cn9k_sso_hws_unlink(void *arg, void *port, uint16_t *map, uint16_t nb_link)
 }
 
 static void
-cn9k_sso_hws_setup(void *arg, void *hws, uintptr_t *grps_base)
+cn9k_sso_hws_setup(void *arg, void *hws, uintptr_t grp_base)
 {
 	struct cnxk_sso_evdev *dev = arg;
 	struct cn9k_sso_hws_dual *dws;
@@ -98,8 +98,7 @@  cn9k_sso_hws_setup(void *arg, void *hws, uintptr_t *grps_base)
 	val = NSEC2USEC(dev->deq_tmo_ns) - 1;
 	if (dev->dual_ws) {
 		dws = hws;
-		rte_memcpy(dws->grps_base, grps_base,
-			   sizeof(uintptr_t) * CNXK_SSO_MAX_HWGRP);
+		dws->grp_base = grp_base;
 		dws->fc_mem = (uint64_t *)dev->fc_iova;
 		dws->xaq_lmt = dev->xaq_lmt;
 
@@ -107,8 +106,7 @@  cn9k_sso_hws_setup(void *arg, void *hws, uintptr_t *grps_base)
 		plt_write64(val, dws->base[1] + SSOW_LF_GWS_NW_TIM);
 	} else {
 		ws = hws;
-		rte_memcpy(ws->grps_base, grps_base,
-			   sizeof(uintptr_t) * CNXK_SSO_MAX_HWGRP);
+		ws->grp_base = grp_base;
 		ws->fc_mem = (uint64_t *)dev->fc_iova;
 		ws->xaq_lmt = dev->xaq_lmt;
 
diff --git a/drivers/event/cnxk/cn9k_worker.h b/drivers/event/cnxk/cn9k_worker.h
index d536c0a8ca..aaf612e814 100644
--- a/drivers/event/cnxk/cn9k_worker.h
+++ b/drivers/event/cnxk/cn9k_worker.h
@@ -31,7 +31,8 @@  cn9k_sso_hws_new_event(struct cn9k_sso_hws *ws, const struct rte_event *ev)
 	if (ws->xaq_lmt <= *ws->fc_mem)
 		return 0;
 
-	cnxk_sso_hws_add_work(event_ptr, tag, new_tt, ws->grps_base[grp]);
+	cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
+			      ws->grp_base + (grp << 12));
 	return 1;
 }
 
@@ -108,7 +109,8 @@  cn9k_sso_hws_dual_new_event(struct cn9k_sso_hws_dual *dws,
 	if (dws->xaq_lmt <= *dws->fc_mem)
 		return 0;
 
-	cnxk_sso_hws_add_work(event_ptr, tag, new_tt, dws->grps_base[grp]);
+	cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
+			      dws->grp_base + (grp << 12));
 	return 1;
 }
 
diff --git a/drivers/event/cnxk/cnxk_eventdev.c b/drivers/event/cnxk/cnxk_eventdev.c
index 2b9235687a..50d5c351bc 100644
--- a/drivers/event/cnxk/cnxk_eventdev.c
+++ b/drivers/event/cnxk/cnxk_eventdev.c
@@ -330,8 +330,7 @@  cnxk_sso_port_setup(struct rte_eventdev *event_dev, uint8_t port_id,
 		    cnxk_sso_hws_setup_t hws_setup_fn)
 {
 	struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
-	uintptr_t grps_base[CNXK_SSO_MAX_HWGRP] = {0};
-	uint16_t q;
+	uintptr_t grp_base = 0;
 
 	plt_sso_dbg("Port=%d", port_id);
 	if (event_dev->data->ports[port_id] == NULL) {
@@ -339,15 +338,13 @@  cnxk_sso_port_setup(struct rte_eventdev *event_dev, uint8_t port_id,
 		return -EINVAL;
 	}
 
-	for (q = 0; q < dev->nb_event_queues; q++) {
-		grps_base[q] = roc_sso_hwgrp_base_get(&dev->sso, q);
-		if (grps_base[q] == 0) {
-			plt_err("Failed to get grp[%d] base addr", q);
-			return -EINVAL;
-		}
+	grp_base = roc_sso_hwgrp_base_get(&dev->sso, 0);
+	if (grp_base == 0) {
+		plt_err("Failed to get grp base addr");
+		return -EINVAL;
 	}
 
-	hws_setup_fn(dev, event_dev->data->ports[port_id], grps_base);
+	hws_setup_fn(dev, event_dev->data->ports[port_id], grp_base);
 	plt_sso_dbg("Port=%d ws=%p", port_id, event_dev->data->ports[port_id]);
 	rte_mb();
 
diff --git a/drivers/event/cnxk/cnxk_eventdev.h b/drivers/event/cnxk/cnxk_eventdev.h
index 957dcf04a4..d9f52d03e0 100644
--- a/drivers/event/cnxk/cnxk_eventdev.h
+++ b/drivers/event/cnxk/cnxk_eventdev.h
@@ -61,7 +61,7 @@ 
 	} while (0)
 
 typedef void *(*cnxk_sso_init_hws_mem_t)(void *dev, uint8_t port_id);
-typedef void (*cnxk_sso_hws_setup_t)(void *dev, void *ws, uintptr_t *grp_base);
+typedef void (*cnxk_sso_hws_setup_t)(void *dev, void *ws, uintptr_t grp_base);
 typedef void (*cnxk_sso_hws_release_t)(void *dev, void *ws);
 typedef int (*cnxk_sso_link_t)(void *dev, void *ws, uint16_t *map,
 			       uint16_t nb_link);
@@ -129,7 +129,7 @@  struct cn10k_sso_hws {
 	/* Add Work Fastpath data */
 	uint64_t xaq_lmt __rte_cache_aligned;
 	uint64_t *fc_mem;
-	uintptr_t grps_base[CNXK_SSO_MAX_HWGRP];
+	uintptr_t grp_base;
 	/* Tx Fastpath data */
 	uint64_t tx_base __rte_cache_aligned;
 	uintptr_t lmt_base;
@@ -157,7 +157,7 @@  struct cn9k_sso_hws {
 	/* Add Work Fastpath data */
 	uint64_t xaq_lmt __rte_cache_aligned;
 	uint64_t *fc_mem;
-	uintptr_t grps_base[CNXK_SSO_MAX_HWGRP];
+	uintptr_t grp_base;
 	/* Tx Fastpath data */
 	uint64_t base __rte_cache_aligned;
 	uint8_t tx_adptr_data[];
@@ -179,7 +179,7 @@  struct cn9k_sso_hws_dual {
 	/* Add Work Fastpath data */
 	uint64_t xaq_lmt __rte_cache_aligned;
 	uint64_t *fc_mem;
-	uintptr_t grps_base[CNXK_SSO_MAX_HWGRP];
+	uintptr_t grp_base;
 	/* Tx Fastpath data */
 	uint64_t base[2] __rte_cache_aligned;
 	uint8_t tx_adptr_data[];