From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
To: jerin.jacob@caviumnetworks.com,
santosh.shukla@caviumnetworks.com, erik.g.carrillo@intel.com
Cc: dev@dpdk.org, Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Subject: [dpdk-dev] [PATCH 09/10] event/octeontx: add timer adapter SW traversal routine
Date: Sat, 17 Feb 2018 03:06:59 +0530 [thread overview]
Message-ID: <20180216213700.3415-10-pbhagavatula@caviumnetworks.com> (raw)
In-Reply-To: <20180216213700.3415-1-pbhagavatula@caviumnetworks.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
config/common_base | 1 +
drivers/event/octeontx/timvf_worker.h | 105 ++++++++++++++++++++++++++++++++++
2 files changed, 106 insertions(+)
diff --git a/config/common_base b/config/common_base
index 00010de92..2f8c21871 100644
--- a/config/common_base
+++ b/config/common_base
@@ -563,6 +563,7 @@ CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV=y
#
CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF=y
CONFIG_RTE_PMD_OCTEONTX_TIMVF_USE_FPAVF=n
+CONFIG_RTE_PMD_OCTEONTX_EVENT_TIMER_SW_TRAVERSAL=n
#
# Compile PMD for OPDL event device
diff --git a/drivers/event/octeontx/timvf_worker.h b/drivers/event/octeontx/timvf_worker.h
index c3f37372a..1d5e27631 100644
--- a/drivers/event/octeontx/timvf_worker.h
+++ b/drivers/event/octeontx/timvf_worker.h
@@ -7,6 +7,23 @@
#include "timvf_evdev.h"
+#ifdef RTE_PMD_OCTEONTX_EVENT_TIMER_SW_TRAVERSAL
+#if defined(RTE_ARCH_ARM64)
+#define timvf_store_pair(val0, val1, addr) ({ \
+ asm volatile( \
+ "stp %x[x0], %x[x1], [%x[p1]]" \
+ ::[x0]"r"(val0), [x1]"r"(val1), [p1]"r"(addr) \
+ ); })
+#else
+#define timvf_store_pair(val0, val1, addr) \
+do { \
+ rte_write64(val0, addr); \
+ rte_write64(val1, (((uint8_t *)addr) + 8)); \
+} while (0)
+#endif
+#endif
+
+
static inline int16_t
timr_bkt_fetch_rem(uint64_t w1)
{
@@ -162,6 +179,49 @@ timr_clr_bkt(struct timvf_ring *timr, struct tim_mem_bucket *bkt)
}
#endif
+#ifdef RTE_PMD_OCTEONTX_EVENT_TIMER_SW_TRAVERSAL
+static __rte_always_inline void __hot
+timvf_sw_trav(struct timvf_ring *timr, struct tim_mem_bucket *bkt)
+{
+ uint16_t i;
+ struct tim_mem_entry *chunk;
+ struct tim_mem_entry *wrk;
+ void *grp_addr;
+ chunk = (struct tim_mem_entry *)bkt->first_chunk;
+ timvf_log_info("Software traversing bucket.");
+ /* Only one sw thread can be here. */
+ while (chunk) {
+ for (i = 0; i < nb_chunk_slots && bkt->nb_entry; i++) {
+ wrk = chunk + i;
+ if (!wrk->wqe)
+ continue;
+ grp_addr = octeontx_ssovf_bar(OCTEONTX_SSO_GROUP,
+ (uint8_t)((wrk->w0 >> 34) & 0xFF), 2);
+ timvf_store_pair(wrk->w0, wrk->wqe, grp_addr);
+ wrk->wqe = 0;
+ bkt->nb_entry--;
+ }
+ wrk = (struct tim_mem_entry *)((chunk + nb_chunk_slots)->w0);
+ rte_mempool_put(timr->meta.chunk_pool, chunk);
+ chunk = (struct tim_mem_entry *)wrk;
+ }
+}
+#endif
+
+static inline __hot void
+timr_clr_bkt_full(struct timvf_ring *timr, struct tim_mem_bucket *bkt)
+{
+ struct tim_mem_entry *chunk;
+ struct tim_mem_entry *pnext;
+ chunk = (struct tim_mem_entry *)bkt->first_chunk;
+
+ while (chunk) {
+ pnext = (struct tim_mem_entry *)((chunk + nb_chunk_slots)->w0);
+ rte_mempool_put(timr->meta.chunk_pool, chunk);
+ chunk = pnext;
+ }
+}
+
/* Burst mode functions */
static inline int __hot
timvf_add_entry_brst(struct timvf_ring *timr, const uint16_t rel_bkt,
@@ -205,6 +265,20 @@ timvf_add_entry_brst(struct timvf_ring *timr, const uint16_t rel_bkt,
goto __retry;
}
+ /* Check for bsk & do software traversal. */
+#ifdef RTE_PMD_OCTEONTX_EVENT_TIMER_SW_TRAVERSAL
+ if (unlikely(timr_bkt_get_bsk(lock_sema))) {
+ lock_sema = timr_bkt_set_sbt(bkt);
+ if (unlikely(timr_bkt_get_sbt(lock_sema))) {
+ /* Should never hit. */
+ goto __retry;
+ }
+ timvf_sw_trav(timr, bkt);
+ timr_bkt_clr_bsk(bkt);
+ goto __retry;
+ }
+#endif
+
chunk_remainder = timr_bkt_fetch_rem(lock_sema);
rem = chunk_remainder - nb_timers;
if (rem < 0) {
@@ -342,6 +416,18 @@ timvf_add_entry_sp(struct timvf_ring *timr, const uint32_t rel_bkt,
if (unlikely(timr_bkt_get_shbt(lock_sema)))
goto __retry;
+#ifdef RTE_PMD_OCTEONTX_EVENT_TIMER_SW_TRAVERSAL
+ if (unlikely(timr_bkt_get_bsk(lock_sema))) {
+ lock_sema = timr_bkt_set_sbt(bkt);
+ if (unlikely(timr_bkt_get_sbt(lock_sema))) {
+ /* Should never hit. */
+ goto __retry;
+ }
+ timvf_sw_trav(timr, bkt);
+ timr_bkt_clr_bsk(bkt);
+ goto __retry;
+ }
+#endif
/* Insert the work. */
rem = timr_bkt_fetch_rem(lock_sema);
@@ -430,6 +516,25 @@ timvf_add_entry_mp(struct timvf_ring *timr, const uint32_t rel_bkt,
}
RTE_SET_USED(lock_cnt);
+#ifdef RTE_PMD_OCTEONTX_EVENT_TIMER_SW_TRAVERSAL
+ lock_cnt = (uint8_t)
+ ((lock_sema >> TIM_BUCKET_W1_S_LOCK) &
+ TIM_BUCKET_W1_M_LOCK);
+
+ if (unlikely(!lock_cnt && timr_bkt_get_bsk(lock_sema))) {
+ /* Only first thread processes the bucket.*/
+ lock_sema = timr_bkt_set_sbt(bkt);
+ if (unlikely(timr_bkt_get_sbt(lock_sema))) {
+ timr_bkt_dec_lock(bkt);
+ goto __retry;
+ }
+ timvf_sw_trav(timr, bkt);
+ timr_bkt_clr_bsk(bkt);
+ timr_bkt_dec_lock(bkt);
+ continue;
+ }
+#endif
+
/* Insert the work. */
rem = timr_bkt_fetch_rem(lock_sema);
--
2.16.1
next prev parent reply other threads:[~2018-02-16 21:37 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-16 21:36 [dpdk-dev] [PATCH 0/9] event/octeontx: add event timer adapter driver Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 01/10] eal: add API to align variable to previous power of 2 Pavan Nikhilesh
2018-02-17 4:49 ` Jerin Jacob
2018-02-16 21:36 ` [dpdk-dev] [PATCH 02/10] mempool/octeontx: probe timvf PCIe devices Pavan Nikhilesh
2018-02-17 4:54 ` Jerin Jacob
2018-02-19 9:19 ` Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 03/10] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 04/10] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 05/10] event/octeontx: add support for arm and cancel Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 06/10] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-03-07 19:41 ` Carrillo, Erik G
2018-02-16 21:36 ` [dpdk-dev] [PATCH 07/10] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-02-17 5:06 ` Jerin Jacob
2018-02-19 9:34 ` Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 08/10] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-02-18 11:42 ` santosh
2018-02-19 9:15 ` Pavan Nikhilesh
2018-02-23 20:17 ` Carrillo, Erik G
2018-02-26 19:25 ` Pavan Nikhilesh
2018-02-16 21:36 ` Pavan Nikhilesh [this message]
2018-02-17 5:01 ` [dpdk-dev] [PATCH 09/10] event/octeontx: add timer adapter SW traversal routine Jerin Jacob
2018-02-16 21:37 ` [dpdk-dev] [PATCH 10/10] maintainers: claim responsibility for octeontx timvf Pavan Nikhilesh
2018-02-17 5:03 ` Jerin Jacob
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 00/11] event/octeontx: add event timer adapter driver Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 01/11] mempool/octeontx: probe timvf PCIe devices Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 02/11] usertools: add Cavium TIM as an event device Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 03/11] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 04/11] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 05/11] event/octeontx: add multiproducer timer arm and cancel Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 06/11] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 07/11] event/octeontx: add burst mode for timer arm Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 08/11] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 09/11] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 10/11] doc: update eventdev OcteonTx documentation Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 11/11] maintainers: claim responsibility for octeontx timvf Pavan Nikhilesh
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 00/12] event/octeontx: add event timer adapter driver Pavan Nikhilesh
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 01/12] mempool/octeontx: probe timvf PCIe devices Pavan Nikhilesh
2018-04-08 2:19 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 02/12] usertools: add Cavium TIM as an event device Pavan Nikhilesh
2018-04-08 3:23 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 03/12] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-04-08 7:39 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 04/12] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-04-08 7:47 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 05/12] event/octeontx: add event timer stats get and reset Pavan Nikhilesh
2018-04-04 1:59 ` Carrillo, Erik G
2018-04-08 7:52 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 06/12] event/octeontx: add multiproducer timer arm and cancel Pavan Nikhilesh
2018-04-08 7:59 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 07/12] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 08/12] event/octeontx: add burst mode for timer arm Pavan Nikhilesh
2018-04-04 2:15 ` Carrillo, Erik G
2018-04-08 8:06 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 09/12] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-04-08 8:09 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 10/12] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 11/12] doc: update eventdev OcteonTx documentation Pavan Nikhilesh
2018-04-04 2:19 ` Carrillo, Erik G
2018-04-08 8:13 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 12/12] maintainers: claim responsibility for octeontx timvf Pavan Nikhilesh
2018-04-08 8:15 ` Jerin Jacob
2018-04-08 2:55 ` [dpdk-dev] [PATCH v3 00/12] event/octeontx: add event timer adapter driver Jerin Jacob
2018-04-08 8:58 ` Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 00/11] " Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 01/11] usertools: add Cavium TIM as an event device Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 02/11] event/octeontx: add support to probe timvf PCIe devices Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 03/11] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 04/11] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 05/11] event/octeontx: add event timer stats get and reset Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 06/11] event/octeontx: add multiproducer timer arm and cancel Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 07/11] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 08/11] event/octeontx: add burst mode for timer arm Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 09/11] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 10/11] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 11/11] doc: update eventdev OcteonTx documentation Pavan Nikhilesh
2018-04-12 12:30 ` [dpdk-dev] [PATCH v4 00/11] event/octeontx: add event timer adapter driver Jerin Jacob
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180216213700.3415-10-pbhagavatula@caviumnetworks.com \
--to=pbhagavatula@caviumnetworks.com \
--cc=dev@dpdk.org \
--cc=erik.g.carrillo@intel.com \
--cc=jerin.jacob@caviumnetworks.com \
--cc=santosh.shukla@caviumnetworks.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).