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From: Jerin Jacob <jerinjacobk@gmail.com>
To: pbhagavatula@marvell.com
Cc: jerinj@marvell.com, Nithin Dabilpuram <ndabilpuram@marvell.com>,
	 Kiran Kumar K <kirankumark@marvell.com>,
	Sunil Kumar Kori <skori@marvell.com>,
	 Satha Rao <skoteshwar@marvell.com>,
	Shijith Thotton <sthotton@marvell.com>,
	dev@dpdk.org
Subject: Re: [PATCH v3] event/cnxk: use LMTST for enqueue new burst
Date: Tue, 23 May 2023 11:39:15 +0530	[thread overview]
Message-ID: <CALBAE1OMi=aS=U+sYDwBONS7iJb6wAq9b48QbVaACk3roguW7Q@mail.gmail.com> (raw)
In-Reply-To: <20230522115635.1568-1-pbhagavatula@marvell.com>

On Mon, May 22, 2023 at 5:26 PM <pbhagavatula@marvell.com> wrote:
>
> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>
> Use LMTST when all events in the burst are enqueue with
> rte_event:op as RTE_EVENT_OP_NEW i.e. events are enqueued
> with the `rte_event_enqueue_new_burst` API.
>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
> Acked-by: Shijith Thotton <sthotton@marvell.com>


Applied to dpdk-next-net-eventdev/for-main. Thanks

> ---
>  v3 Changes:
>  - Fix checkpatch issues.
>  v2 Changes:
>  - Fix spell check.
>
>  drivers/common/cnxk/hw/sso.h        |   1 +
>  drivers/common/cnxk/roc_sso.c       |  10 +-
>  drivers/common/cnxk/roc_sso.h       |   3 +
>  drivers/event/cnxk/cn10k_eventdev.c |   9 +-
>  drivers/event/cnxk/cn10k_eventdev.h |   6 +-
>  drivers/event/cnxk/cn10k_worker.c   | 304 +++++++++++++++++++++++++++-
>  drivers/event/cnxk/cn9k_eventdev.c  |   2 +-
>  drivers/event/cnxk/cnxk_eventdev.c  |  15 +-
>  drivers/event/cnxk/cnxk_eventdev.h  |   4 +-
>  9 files changed, 338 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/common/cnxk/hw/sso.h b/drivers/common/cnxk/hw/sso.h
> index 25deaa4c14..09b8d4955f 100644
> --- a/drivers/common/cnxk/hw/sso.h
> +++ b/drivers/common/cnxk/hw/sso.h
> @@ -157,6 +157,7 @@
>  #define SSO_LF_GGRP_AQ_CNT      (0x1c0ull)
>  #define SSO_LF_GGRP_AQ_THR      (0x1e0ull)
>  #define SSO_LF_GGRP_MISC_CNT    (0x200ull)
> +#define SSO_LF_GGRP_OP_AW_LMTST         (0x400ull)
>
>  #define SSO_AF_IAQ_FREE_CNT_MASK      0x3FFFull
>  #define SSO_AF_IAQ_RSVD_FREE_MASK     0x3FFFull
> diff --git a/drivers/common/cnxk/roc_sso.c b/drivers/common/cnxk/roc_sso.c
> index 4a6a5080f7..99a55e49b0 100644
> --- a/drivers/common/cnxk/roc_sso.c
> +++ b/drivers/common/cnxk/roc_sso.c
> @@ -6,6 +6,7 @@
>  #include "roc_priv.h"
>
>  #define SSO_XAQ_CACHE_CNT (0x7)
> +#define SSO_XAQ_SLACK    (16)
>
>  /* Private functions. */
>  int
> @@ -493,9 +494,13 @@ sso_hwgrp_init_xaq_aura(struct dev *dev, struct roc_sso_xaq_data *xaq,
>
>         xaq->nb_xae = nb_xae;
>
> -       /* Taken from HRM 14.3.3(4) */
> +       /** SSO will reserve up to 0x4 XAQ buffers per group when GetWork engine
> +        * is inactive and it might prefetch an additional 0x3 buffers due to
> +        * pipelining.
> +        */
>         xaq->nb_xaq = (SSO_XAQ_CACHE_CNT * nb_hwgrp);
>         xaq->nb_xaq += PLT_MAX(1 + ((xaq->nb_xae - 1) / xae_waes), xaq->nb_xaq);
> +       xaq->nb_xaq += SSO_XAQ_SLACK;
>
>         xaq->mem = plt_zmalloc(xaq_buf_size * xaq->nb_xaq, xaq_buf_size);
>         if (xaq->mem == NULL) {
> @@ -537,7 +542,8 @@ sso_hwgrp_init_xaq_aura(struct dev *dev, struct roc_sso_xaq_data *xaq,
>          * There should be a minimum headroom of 7 XAQs per HWGRP for SSO
>          * to request XAQ to cache them even before enqueue is called.
>          */
> -       xaq->xaq_lmt = xaq->nb_xaq - (nb_hwgrp * SSO_XAQ_CACHE_CNT);
> +       xaq->xaq_lmt =
> +               xaq->nb_xaq - (nb_hwgrp * SSO_XAQ_CACHE_CNT) - SSO_XAQ_SLACK;
>
>         return 0;
>  npa_fill_fail:
> diff --git a/drivers/common/cnxk/roc_sso.h b/drivers/common/cnxk/roc_sso.h
> index e67797b046..a2bb6fcb22 100644
> --- a/drivers/common/cnxk/roc_sso.h
> +++ b/drivers/common/cnxk/roc_sso.h
> @@ -7,6 +7,9 @@
>
>  #include "hw/ssow.h"
>
> +#define ROC_SSO_AW_PER_LMT_LINE_LOG2 3
> +#define ROC_SSO_XAE_PER_XAQ         352
> +
>  struct roc_sso_hwgrp_qos {
>         uint16_t hwgrp;
>         uint8_t xaq_prcnt;
> diff --git a/drivers/event/cnxk/cn10k_eventdev.c b/drivers/event/cnxk/cn10k_eventdev.c
> index 071ea5a212..855c92da83 100644
> --- a/drivers/event/cnxk/cn10k_eventdev.c
> +++ b/drivers/event/cnxk/cn10k_eventdev.c
> @@ -91,8 +91,10 @@ cn10k_sso_hws_setup(void *arg, void *hws, uintptr_t grp_base)
>         uint64_t val;
>
>         ws->grp_base = grp_base;
> -       ws->fc_mem = (uint64_t *)dev->fc_iova;
> +       ws->fc_mem = (int64_t *)dev->fc_iova;
>         ws->xaq_lmt = dev->xaq_lmt;
> +       ws->fc_cache_space = dev->fc_cache_space;
> +       ws->aw_lmt = ws->lmt_base;
>
>         /* Set get_work timeout for HWS */
>         val = NSEC2USEC(dev->deq_tmo_ns);
> @@ -624,6 +626,7 @@ cn10k_sso_info_get(struct rte_eventdev *event_dev,
>
>         dev_info->driver_name = RTE_STR(EVENTDEV_NAME_CN10K_PMD);
>         cnxk_sso_info_get(dev, dev_info);
> +       dev_info->max_event_port_enqueue_depth = UINT32_MAX;
>  }
>
>  static int
> @@ -632,7 +635,7 @@ cn10k_sso_dev_configure(const struct rte_eventdev *event_dev)
>         struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
>         int rc;
>
> -       rc = cnxk_sso_dev_validate(event_dev);
> +       rc = cnxk_sso_dev_validate(event_dev, 1, UINT32_MAX);
>         if (rc < 0) {
>                 plt_err("Invalid event device configuration");
>                 return -EINVAL;
> @@ -871,7 +874,7 @@ cn10k_sso_set_priv_mem(const struct rte_eventdev *event_dev, void *lookup_mem)
>         for (i = 0; i < dev->nb_event_ports; i++) {
>                 struct cn10k_sso_hws *ws = event_dev->data->ports[i];
>                 ws->xaq_lmt = dev->xaq_lmt;
> -               ws->fc_mem = (uint64_t *)dev->fc_iova;
> +               ws->fc_mem = (int64_t *)dev->fc_iova;
>                 ws->tstamp = dev->tstamp;
>                 if (lookup_mem)
>                         ws->lookup_mem = lookup_mem;
> diff --git a/drivers/event/cnxk/cn10k_eventdev.h b/drivers/event/cnxk/cn10k_eventdev.h
> index aaa01d1ec1..29567728cd 100644
> --- a/drivers/event/cnxk/cn10k_eventdev.h
> +++ b/drivers/event/cnxk/cn10k_eventdev.h
> @@ -19,9 +19,11 @@ struct cn10k_sso_hws {
>         struct cnxk_timesync_info **tstamp;
>         uint64_t meta_aura;
>         /* Add Work Fastpath data */
> -       uint64_t xaq_lmt __rte_cache_aligned;
> -       uint64_t *fc_mem;
> +       int64_t *fc_mem __rte_cache_aligned;
> +       int64_t *fc_cache_space;
> +       uintptr_t aw_lmt;
>         uintptr_t grp_base;
> +       int32_t xaq_lmt;
>         /* Tx Fastpath data */
>         uintptr_t lmt_base __rte_cache_aligned;
>         uint64_t lso_tun_fmt;
> diff --git a/drivers/event/cnxk/cn10k_worker.c b/drivers/event/cnxk/cn10k_worker.c
> index 562d2fca13..9b5bf90159 100644
> --- a/drivers/event/cnxk/cn10k_worker.c
> +++ b/drivers/event/cnxk/cn10k_worker.c
> @@ -77,6 +77,36 @@ cn10k_sso_hws_forward_event(struct cn10k_sso_hws *ws,
>                 cn10k_sso_hws_fwd_group(ws, ev, grp);
>  }
>
> +static inline int32_t
> +sso_read_xaq_space(struct cn10k_sso_hws *ws)
> +{
> +       return (ws->xaq_lmt - __atomic_load_n(ws->fc_mem, __ATOMIC_RELAXED)) *
> +              ROC_SSO_XAE_PER_XAQ;
> +}
> +
> +static inline void
> +sso_lmt_aw_wait_fc(struct cn10k_sso_hws *ws, int64_t req)
> +{
> +       int64_t cached, refill;
> +
> +retry:
> +       while (__atomic_load_n(ws->fc_cache_space, __ATOMIC_RELAXED) < 0)
> +               ;
> +
> +       cached = __atomic_fetch_sub(ws->fc_cache_space, req, __ATOMIC_ACQUIRE) - req;
> +       /* Check if there is enough space, else update and retry. */
> +       if (cached < 0) {
> +               /* Check if we have space else retry. */
> +               do {
> +                       refill = sso_read_xaq_space(ws);
> +               } while (refill <= 0);
> +               __atomic_compare_exchange(ws->fc_cache_space, &cached, &refill,
> +                                         0, __ATOMIC_RELEASE,
> +                                         __ATOMIC_RELAXED);
> +               goto retry;
> +       }
> +}
> +
>  uint16_t __rte_hot
>  cn10k_sso_hws_enq(void *port, const struct rte_event *ev)
>  {
> @@ -103,6 +133,253 @@ cn10k_sso_hws_enq(void *port, const struct rte_event *ev)
>         return 1;
>  }
>
> +#define VECTOR_SIZE_BITS            0xFFFFFFFFFFF80000ULL
> +#define VECTOR_GET_LINE_OFFSET(line) (19 + (3 * line))
> +
> +static uint64_t
> +vector_size_partial_mask(uint16_t off, uint16_t cnt)
> +{
> +       return (VECTOR_SIZE_BITS & ~(~0x0ULL << off)) |
> +              ((uint64_t)(cnt - 1) << off);
> +}
> +
> +static __rte_always_inline uint16_t
> +cn10k_sso_hws_new_event_lmtst(struct cn10k_sso_hws *ws, uint8_t queue_id,
> +                             const struct rte_event ev[], uint16_t n)
> +{
> +       uint16_t lines, partial_line, burst, left;
> +       uint64_t wdata[2], pa[2] = {0};
> +       uintptr_t lmt_addr;
> +       uint16_t sz0, sz1;
> +       uint16_t lmt_id;
> +
> +       sz0 = sz1 = 0;
> +       lmt_addr = ws->lmt_base;
> +       ROC_LMT_BASE_ID_GET(lmt_addr, lmt_id);
> +
> +       left = n;
> +again:
> +       burst = RTE_MIN(
> +               BIT(ROC_SSO_AW_PER_LMT_LINE_LOG2 + ROC_LMT_LINES_PER_CORE_LOG2),
> +               left);
> +
> +       /* Set wdata */
> +       lines = burst >> ROC_SSO_AW_PER_LMT_LINE_LOG2;
> +       partial_line = burst & (BIT(ROC_SSO_AW_PER_LMT_LINE_LOG2) - 1);
> +       wdata[0] = wdata[1] = 0;
> +       if (lines > BIT(ROC_LMT_LINES_PER_STR_LOG2)) {
> +               wdata[0] = lmt_id;
> +               wdata[0] |= 15ULL << 12;
> +               wdata[0] |= VECTOR_SIZE_BITS;
> +               pa[0] = (ws->grp_base + (queue_id << 12) +
> +                        SSO_LF_GGRP_OP_AW_LMTST) |
> +                       (0x7 << 4);
> +               sz0 = 16 << ROC_SSO_AW_PER_LMT_LINE_LOG2;
> +
> +               wdata[1] = lmt_id + 16;
> +               pa[1] = (ws->grp_base + (queue_id << 12) +
> +                        SSO_LF_GGRP_OP_AW_LMTST) |
> +                       (0x7 << 4);
> +
> +               lines -= 17;
> +               wdata[1] |= partial_line ? (uint64_t)(lines + 1) << 12 :
> +                                                (uint64_t)(lines << 12);
> +               wdata[1] |= partial_line ?
> +                                   vector_size_partial_mask(
> +                                           VECTOR_GET_LINE_OFFSET(lines),
> +                                           partial_line) :
> +                                   VECTOR_SIZE_BITS;
> +               sz1 = burst - sz0;
> +               partial_line = 0;
> +       } else if (lines) {
> +               /* We need to handle two cases here:
> +                * 1. Partial line spill over to wdata[1] i.e. lines == 16
> +                * 2. Partial line with spill lines < 16.
> +                */
> +               wdata[0] = lmt_id;
> +               pa[0] = (ws->grp_base + (queue_id << 12) +
> +                        SSO_LF_GGRP_OP_AW_LMTST) |
> +                       (0x7 << 4);
> +               sz0 = lines << ROC_SSO_AW_PER_LMT_LINE_LOG2;
> +               if (lines == 16) {
> +                       wdata[0] |= 15ULL << 12;
> +                       wdata[0] |= VECTOR_SIZE_BITS;
> +                       if (partial_line) {
> +                               wdata[1] = lmt_id + 16;
> +                               pa[1] = (ws->grp_base + (queue_id << 12) +
> +                                        SSO_LF_GGRP_OP_AW_LMTST) |
> +                                       ((partial_line - 1) << 4);
> +                       }
> +               } else {
> +                       lines -= 1;
> +                       wdata[0] |= partial_line ? (uint64_t)(lines + 1) << 12 :
> +                                                        (uint64_t)(lines << 12);
> +                       wdata[0] |=
> +                               partial_line ?
> +                                       vector_size_partial_mask(
> +                                               VECTOR_GET_LINE_OFFSET(lines),
> +                                               partial_line) :
> +                                       VECTOR_SIZE_BITS;
> +                       sz0 += partial_line;
> +               }
> +               sz1 = burst - sz0;
> +               partial_line = 0;
> +       }
> +
> +       /* Only partial lines */
> +       if (partial_line) {
> +               wdata[0] = lmt_id;
> +               pa[0] = (ws->grp_base + (queue_id << 12) +
> +                        SSO_LF_GGRP_OP_AW_LMTST) |
> +                       ((partial_line - 1) << 4);
> +               sz0 = partial_line;
> +               sz1 = burst - sz0;
> +       }
> +
> +#if defined(RTE_ARCH_ARM64)
> +       uint64x2_t aw_mask = {0xC0FFFFFFFFULL, ~0x0ULL};
> +       uint64x2_t tt_mask = {0x300000000ULL, 0};
> +       uint16_t parts;
> +
> +       while (burst) {
> +               parts = burst > 7 ? 8 : plt_align32prevpow2(burst);
> +               burst -= parts;
> +               /* Lets try to fill at least one line per burst. */
> +               switch (parts) {
> +               case 8: {
> +                       uint64x2_t aw0, aw1, aw2, aw3, aw4, aw5, aw6, aw7;
> +
> +                       aw0 = vandq_u64(vld1q_u64((const uint64_t *)&ev[0]),
> +                                       aw_mask);
> +                       aw1 = vandq_u64(vld1q_u64((const uint64_t *)&ev[1]),
> +                                       aw_mask);
> +                       aw2 = vandq_u64(vld1q_u64((const uint64_t *)&ev[2]),
> +                                       aw_mask);
> +                       aw3 = vandq_u64(vld1q_u64((const uint64_t *)&ev[3]),
> +                                       aw_mask);
> +                       aw4 = vandq_u64(vld1q_u64((const uint64_t *)&ev[4]),
> +                                       aw_mask);
> +                       aw5 = vandq_u64(vld1q_u64((const uint64_t *)&ev[5]),
> +                                       aw_mask);
> +                       aw6 = vandq_u64(vld1q_u64((const uint64_t *)&ev[6]),
> +                                       aw_mask);
> +                       aw7 = vandq_u64(vld1q_u64((const uint64_t *)&ev[7]),
> +                                       aw_mask);
> +
> +                       aw0 = vorrq_u64(vandq_u64(vshrq_n_u64(aw0, 6), tt_mask),
> +                                       aw0);
> +                       aw1 = vorrq_u64(vandq_u64(vshrq_n_u64(aw1, 6), tt_mask),
> +                                       aw1);
> +                       aw2 = vorrq_u64(vandq_u64(vshrq_n_u64(aw2, 6), tt_mask),
> +                                       aw2);
> +                       aw3 = vorrq_u64(vandq_u64(vshrq_n_u64(aw3, 6), tt_mask),
> +                                       aw3);
> +                       aw4 = vorrq_u64(vandq_u64(vshrq_n_u64(aw4, 6), tt_mask),
> +                                       aw4);
> +                       aw5 = vorrq_u64(vandq_u64(vshrq_n_u64(aw5, 6), tt_mask),
> +                                       aw5);
> +                       aw6 = vorrq_u64(vandq_u64(vshrq_n_u64(aw6, 6), tt_mask),
> +                                       aw6);
> +                       aw7 = vorrq_u64(vandq_u64(vshrq_n_u64(aw7, 6), tt_mask),
> +                                       aw7);
> +
> +                       vst1q_u64((void *)lmt_addr, aw0);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 16), aw1);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 32), aw2);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 48), aw3);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 64), aw4);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 80), aw5);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 96), aw6);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 112), aw7);
> +                       lmt_addr = (uintptr_t)PLT_PTR_ADD(lmt_addr, 128);
> +               } break;
> +               case 4: {
> +                       uint64x2_t aw0, aw1, aw2, aw3;
> +                       aw0 = vandq_u64(vld1q_u64((const uint64_t *)&ev[0]),
> +                                       aw_mask);
> +                       aw1 = vandq_u64(vld1q_u64((const uint64_t *)&ev[1]),
> +                                       aw_mask);
> +                       aw2 = vandq_u64(vld1q_u64((const uint64_t *)&ev[2]),
> +                                       aw_mask);
> +                       aw3 = vandq_u64(vld1q_u64((const uint64_t *)&ev[3]),
> +                                       aw_mask);
> +
> +                       aw0 = vorrq_u64(vandq_u64(vshrq_n_u64(aw0, 6), tt_mask),
> +                                       aw0);
> +                       aw1 = vorrq_u64(vandq_u64(vshrq_n_u64(aw1, 6), tt_mask),
> +                                       aw1);
> +                       aw2 = vorrq_u64(vandq_u64(vshrq_n_u64(aw2, 6), tt_mask),
> +                                       aw2);
> +                       aw3 = vorrq_u64(vandq_u64(vshrq_n_u64(aw3, 6), tt_mask),
> +                                       aw3);
> +
> +                       vst1q_u64((void *)lmt_addr, aw0);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 16), aw1);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 32), aw2);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 48), aw3);
> +                       lmt_addr = (uintptr_t)PLT_PTR_ADD(lmt_addr, 64);
> +               } break;
> +               case 2: {
> +                       uint64x2_t aw0, aw1;
> +
> +                       aw0 = vandq_u64(vld1q_u64((const uint64_t *)&ev[0]),
> +                                       aw_mask);
> +                       aw1 = vandq_u64(vld1q_u64((const uint64_t *)&ev[1]),
> +                                       aw_mask);
> +
> +                       aw0 = vorrq_u64(vandq_u64(vshrq_n_u64(aw0, 6), tt_mask),
> +                                       aw0);
> +                       aw1 = vorrq_u64(vandq_u64(vshrq_n_u64(aw1, 6), tt_mask),
> +                                       aw1);
> +
> +                       vst1q_u64((void *)lmt_addr, aw0);
> +                       vst1q_u64((void *)PLT_PTR_ADD(lmt_addr, 16), aw1);
> +                       lmt_addr = (uintptr_t)PLT_PTR_ADD(lmt_addr, 32);
> +               } break;
> +               case 1: {
> +                       __uint128_t aw0;
> +
> +                       aw0 = ev[0].u64;
> +                       aw0 <<= 64;
> +                       aw0 |= ev[0].event & (BIT_ULL(32) - 1);
> +                       aw0 |= (uint64_t)ev[0].sched_type << 32;
> +
> +                       *((__uint128_t *)lmt_addr) = aw0;
> +                       lmt_addr = (uintptr_t)PLT_PTR_ADD(lmt_addr, 16);
> +               } break;
> +               }
> +               ev += parts;
> +       }
> +#else
> +       uint16_t i;
> +
> +       for (i = 0; i < burst; i++) {
> +               __uint128_t aw0;
> +
> +               aw0 = ev[0].u64;
> +               aw0 <<= 64;
> +               aw0 |= ev[0].event & (BIT_ULL(32) - 1);
> +               aw0 |= (uint64_t)ev[0].sched_type << 32;
> +               *((__uint128_t *)lmt_addr) = aw0;
> +               lmt_addr = (uintptr_t)PLT_PTR_ADD(lmt_addr, 16);
> +       }
> +#endif
> +
> +       /* wdata[0] will be always valid */
> +       sso_lmt_aw_wait_fc(ws, sz0);
> +       roc_lmt_submit_steorl(wdata[0], pa[0]);
> +       if (wdata[1]) {
> +               sso_lmt_aw_wait_fc(ws, sz1);
> +               roc_lmt_submit_steorl(wdata[1], pa[1]);
> +       }
> +
> +       left -= (sz0 + sz1);
> +       if (left)
> +               goto again;
> +
> +       return n;
> +}
> +
>  uint16_t __rte_hot
>  cn10k_sso_hws_enq_burst(void *port, const struct rte_event ev[],
>                         uint16_t nb_events)
> @@ -115,13 +392,32 @@ uint16_t __rte_hot
>  cn10k_sso_hws_enq_new_burst(void *port, const struct rte_event ev[],
>                             uint16_t nb_events)
>  {
> +       uint16_t idx = 0, done = 0, rc = 0;
>         struct cn10k_sso_hws *ws = port;
> -       uint16_t i, rc = 1;
> +       uint8_t queue_id;
> +       int32_t space;
> +
> +       /* Do a common back-pressure check and return */
> +       space = sso_read_xaq_space(ws) - ROC_SSO_XAE_PER_XAQ;
> +       if (space <= 0)
> +               return 0;
> +       nb_events = space < nb_events ? space : nb_events;
> +
> +       do {
> +               queue_id = ev[idx].queue_id;
> +               for (idx = idx + 1; idx < nb_events; idx++)
> +                       if (queue_id != ev[idx].queue_id)
> +                               break;
> +
> +               rc = cn10k_sso_hws_new_event_lmtst(ws, queue_id, &ev[done],
> +                                                  idx - done);
> +               if (rc != (idx - done))
> +                       return rc + done;
> +               done += rc;
>
> -       for (i = 0; i < nb_events && rc; i++)
> -               rc = cn10k_sso_hws_new_event(ws, &ev[i]);
> +       } while (done < nb_events);
>
> -       return nb_events;
> +       return done;
>  }
>
>  uint16_t __rte_hot
> diff --git a/drivers/event/cnxk/cn9k_eventdev.c b/drivers/event/cnxk/cn9k_eventdev.c
> index 7e8339bd3a..e59e537311 100644
> --- a/drivers/event/cnxk/cn9k_eventdev.c
> +++ b/drivers/event/cnxk/cn9k_eventdev.c
> @@ -753,7 +753,7 @@ cn9k_sso_dev_configure(const struct rte_eventdev *event_dev)
>         struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
>         int rc;
>
> -       rc = cnxk_sso_dev_validate(event_dev);
> +       rc = cnxk_sso_dev_validate(event_dev, 1, 1);
>         if (rc < 0) {
>                 plt_err("Invalid event device configuration");
>                 return -EINVAL;
> diff --git a/drivers/event/cnxk/cnxk_eventdev.c b/drivers/event/cnxk/cnxk_eventdev.c
> index cb9ba5d353..99f9cdcd0d 100644
> --- a/drivers/event/cnxk/cnxk_eventdev.c
> +++ b/drivers/event/cnxk/cnxk_eventdev.c
> @@ -145,7 +145,8 @@ cnxk_sso_restore_links(const struct rte_eventdev *event_dev,
>  }
>
>  int
> -cnxk_sso_dev_validate(const struct rte_eventdev *event_dev)
> +cnxk_sso_dev_validate(const struct rte_eventdev *event_dev, uint32_t deq_depth,
> +                     uint32_t enq_depth)
>  {
>         struct rte_event_dev_config *conf = &event_dev->data->dev_conf;
>         struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
> @@ -173,12 +174,12 @@ cnxk_sso_dev_validate(const struct rte_eventdev *event_dev)
>                 return -EINVAL;
>         }
>
> -       if (conf->nb_event_port_dequeue_depth > 1) {
> +       if (conf->nb_event_port_dequeue_depth > deq_depth) {
>                 plt_err("Unsupported event port deq depth requested");
>                 return -EINVAL;
>         }
>
> -       if (conf->nb_event_port_enqueue_depth > 1) {
> +       if (conf->nb_event_port_enqueue_depth > enq_depth) {
>                 plt_err("Unsupported event port enq depth requested");
>                 return -EINVAL;
>         }
> @@ -630,6 +631,14 @@ cnxk_sso_init(struct rte_eventdev *event_dev)
>         }
>
>         dev = cnxk_sso_pmd_priv(event_dev);
> +       dev->fc_cache_space = rte_zmalloc("fc_cache", PLT_CACHE_LINE_SIZE,
> +                                         PLT_CACHE_LINE_SIZE);
> +       if (dev->fc_cache_space == NULL) {
> +               plt_memzone_free(mz);
> +               plt_err("Failed to reserve memory for XAQ fc cache");
> +               return -ENOMEM;
> +       }
> +
>         pci_dev = container_of(event_dev->dev, struct rte_pci_device, device);
>         dev->sso.pci_dev = pci_dev;
>
> diff --git a/drivers/event/cnxk/cnxk_eventdev.h b/drivers/event/cnxk/cnxk_eventdev.h
> index c7cbd722ab..a2f30bfe5f 100644
> --- a/drivers/event/cnxk/cnxk_eventdev.h
> +++ b/drivers/event/cnxk/cnxk_eventdev.h
> @@ -90,6 +90,7 @@ struct cnxk_sso_evdev {
>         uint32_t max_dequeue_timeout_ns;
>         int32_t max_num_events;
>         uint64_t xaq_lmt;
> +       int64_t *fc_cache_space;
>         rte_iova_t fc_iova;
>         uint64_t rx_offloads;
>         uint64_t tx_offloads;
> @@ -206,7 +207,8 @@ int cnxk_sso_fini(struct rte_eventdev *event_dev);
>  int cnxk_sso_remove(struct rte_pci_device *pci_dev);
>  void cnxk_sso_info_get(struct cnxk_sso_evdev *dev,
>                        struct rte_event_dev_info *dev_info);
> -int cnxk_sso_dev_validate(const struct rte_eventdev *event_dev);
> +int cnxk_sso_dev_validate(const struct rte_eventdev *event_dev,
> +                         uint32_t deq_depth, uint32_t enq_depth);
>  int cnxk_setup_event_ports(const struct rte_eventdev *event_dev,
>                            cnxk_sso_init_hws_mem_t init_hws_mem,
>                            cnxk_sso_hws_setup_t hws_setup);
> --
> 2.25.1
>

      reply	other threads:[~2023-05-23  6:09 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-19 20:01 [PATCH 1/3] " pbhagavatula
2023-04-19 20:01 ` [PATCH 2/3] app/eventdev: use enqueue new event burst routine pbhagavatula
2023-04-19 20:01 ` [PATCH 3/3] app/eventdev: prevent mempool exhaustion pbhagavatula
2023-04-25 19:51 ` [PATCH v2 1/3] event/cnxk: use LMTST for enqueue new burst pbhagavatula
2023-04-25 19:51   ` [PATCH v2 2/3] app/eventdev: use enqueue new event burst routine pbhagavatula
2023-05-18 15:47     ` [EXT] " Shijith Thotton
2023-04-25 19:51   ` [PATCH v2 3/3] app/eventdev: prevent mempool exhaustion pbhagavatula
2023-05-18 15:47     ` [EXT] " Shijith Thotton
2023-05-18 15:42   ` [PATCH v2 1/3] event/cnxk: use LMTST for enqueue new burst Shijith Thotton
2023-05-22  7:23     ` Jerin Jacob
2023-05-22 11:56   ` [PATCH v3] " pbhagavatula
2023-05-23  6:09     ` Jerin Jacob [this message]

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