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From: <pbhagavatula@marvell.com>
To: <jerinj@marvell.com>, Nithin Dabilpuram <ndabilpuram@marvell.com>, "Kiran
 Kumar K" <kirankumark@marvell.com>, Sunil Kumar Kori <skori@marvell.com>,
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 "Ankur Dwivedi" <adwivedi@marvell.com>, Anoob Joseph <anoobj@marvell.com>,
 "Tejasree Kondoj" <ktejasree@marvell.com>,
 Pavan Nikhilesh <pbhagavatula@marvell.com>,
 Shijith Thotton <sthotton@marvell.com>
CC: <dev@dpdk.org>
Subject: [PATCH v2 01/21] common/cnxk: implement SSO HW info
Date: Tue, 22 Oct 2024 02:27:24 +0530
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From: Pavan Nikhilesh <pbhagavatula@marvell.com>

Add SSO HW info mbox to get hardware capabilities, and reuse
them instead of depending on hardcoded values.
Remove redundant includes.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
Depends-on: series-33580 (event/dsw: remove single event enqueue and dequeue)

 drivers/common/cnxk/roc_mbox.h              | 28 ++++++++++
 drivers/common/cnxk/roc_sso.c               | 58 ++++++++++++++++++---
 drivers/common/cnxk/roc_sso.h               |  9 ++--
 drivers/common/cnxk/version.map             |  1 +
 drivers/crypto/cnxk/cn10k_cryptodev_ops.c   |  5 +-
 drivers/crypto/cnxk/cn9k_cryptodev_ops.c    |  9 +---
 drivers/event/cnxk/cn10k_eventdev.c         |  1 +
 drivers/event/cnxk/cn10k_eventdev.h         |  1 +
 drivers/event/cnxk/cn10k_worker.c           |  7 +--
 drivers/event/cnxk/cnxk_eventdev.c          |  4 +-
 drivers/event/cnxk/cnxk_eventdev.h          |  3 --
 drivers/event/cnxk/cnxk_eventdev_selftest.c |  2 +
 drivers/event/cnxk/cnxk_eventdev_stats.c    |  2 +
 drivers/event/cnxk/cnxk_tim_evdev.c         |  2 +-
 drivers/event/cnxk/cnxk_tim_worker.c        |  2 +
 drivers/event/cnxk/cnxk_worker.c            |  4 +-
 16 files changed, 103 insertions(+), 35 deletions(-)

diff --git a/drivers/common/cnxk/roc_mbox.h b/drivers/common/cnxk/roc_mbox.h
index dd65946e9e..63139b5517 100644
--- a/drivers/common/cnxk/roc_mbox.h
+++ b/drivers/common/cnxk/roc_mbox.h
@@ -147,6 +147,7 @@ struct mbox_msghdr {
 	  msg_rsp)                                                             \
 	M(SSO_GRP_STASH_CONFIG, 0x614, sso_grp_stash_config,                   \
 	  sso_grp_stash_cfg, msg_rsp)                                          \
+	M(SSO_GET_HW_INFO, 0x617, sso_get_hw_info, msg_req, sso_hw_info)       \
 	/* TIM mbox IDs (range 0x800 - 0x9FF) */                               \
 	M(TIM_LF_ALLOC, 0x800, tim_lf_alloc, tim_lf_alloc_req,                 \
 	  tim_lf_alloc_rsp)                                                    \
@@ -2119,6 +2120,33 @@ struct ssow_chng_mship {
 	uint16_t __io hwgrps[MAX_RVU_BLKLF_CNT]; /* Array of hwgrps. */
 };

+struct sso_feat_info {
+	uint8_t __io hw_flr : 1;
+	uint8_t __io hw_prefetch : 1;
+	uint8_t __io sw_prefetch : 1;
+	uint8_t __io lsw : 1;
+	uint8_t __io fwd_grp : 1;
+	uint8_t __io eva_present : 1;
+	uint8_t __io no_nsched : 1;
+	uint8_t __io tag_cfg : 1;
+	uint8_t __io gwc_per_core;
+	uint16_t __io hws;
+	uint16_t __io hwgrps;
+	uint16_t __io hwgrps_per_pf;
+	uint16_t __io iue;
+	uint16_t __io taq_lines;
+	uint16_t __io taq_ent_per_line;
+	uint16_t __io xaq_buf_size;
+	uint16_t __io xaq_wq_entries;
+	uint32_t __io eva_ctx_per_hwgrp;
+	uint64_t __io rsvd[2];
+};
+
+struct sso_hw_info {
+	struct mbox_msghdr hdr;
+	struct sso_feat_info feat;
+};
+
 struct sso_hw_setconfig {
 	struct mbox_msghdr hdr;
 	uint32_t __io npa_aura_id;
diff --git a/drivers/common/cnxk/roc_sso.c b/drivers/common/cnxk/roc_sso.c
index 2e3b134bfc..8a219b985b 100644
--- a/drivers/common/cnxk/roc_sso.c
+++ b/drivers/common/cnxk/roc_sso.c
@@ -191,7 +191,7 @@ sso_rsrc_get(struct roc_sso *roc_sso)
 		goto exit;
 	}

-	roc_sso->max_hwgrp = rsrc_cnt->sso;
+	roc_sso->max_hwgrp = PLT_MIN(rsrc_cnt->sso, roc_sso->feat.hwgrps_per_pf);
 	roc_sso->max_hws = rsrc_cnt->ssow;

 	rc = 0;
@@ -200,6 +200,37 @@ sso_rsrc_get(struct roc_sso *roc_sso)
 	return rc;
 }

+static int
+sso_hw_info_get(struct roc_sso *roc_sso)
+{
+	struct dev *dev = &roc_sso_to_sso_priv(roc_sso)->dev;
+	struct mbox *mbox = mbox_get(dev->mbox);
+	struct sso_hw_info *rsp;
+	int rc;
+
+	mbox_alloc_msg_sso_get_hw_info(mbox);
+	rc = mbox_process_msg(mbox, (void **)&rsp);
+	if (rc && rc != MBOX_MSG_INVALID) {
+		plt_err("Failed to get SSO HW info");
+		rc = -EIO;
+		goto exit;
+	}
+
+	if (rc == MBOX_MSG_INVALID) {
+		roc_sso->feat.hwgrps_per_pf = ROC_SSO_MAX_HWGRP_PER_PF;
+	} else {
+		mbox_memcpy(&roc_sso->feat, &rsp->feat, sizeof(roc_sso->feat));
+
+		if (!roc_sso->feat.hwgrps_per_pf)
+			roc_sso->feat.hwgrps_per_pf = ROC_SSO_MAX_HWGRP_PER_PF;
+	}
+
+	rc = 0;
+exit:
+	mbox_put(mbox);
+	return rc;
+}
+
 void
 sso_hws_link_modify(uint8_t hws, uintptr_t base, struct plt_bitmap *bmp, uint16_t hwgrp[],
 		    uint16_t n, uint8_t set, uint16_t enable)
@@ -319,6 +350,12 @@ roc_sso_hwgrp_base_get(struct roc_sso *roc_sso, uint16_t hwgrp)
 	return dev->bar2 + (RVU_BLOCK_ADDR_SSO << 20 | hwgrp << 12);
 }

+uint16_t
+roc_sso_pf_func_get(void)
+{
+	return idev_sso_pffunc_get();
+}
+
 uint64_t
 roc_sso_ns_to_gw(uint64_t base, uint64_t ns)
 {
@@ -670,9 +707,8 @@ roc_sso_hwgrp_init_xaq_aura(struct roc_sso *roc_sso, uint32_t nb_xae)
 	struct dev *dev = &sso->dev;
 	int rc;

-	rc = sso_hwgrp_init_xaq_aura(dev, &roc_sso->xaq, nb_xae,
-				     roc_sso->xae_waes, roc_sso->xaq_buf_size,
-				     roc_sso->nb_hwgrp);
+	rc = sso_hwgrp_init_xaq_aura(dev, &roc_sso->xaq, nb_xae, roc_sso->feat.xaq_wq_entries,
+				     roc_sso->feat.xaq_buf_size, roc_sso->nb_hwgrp);
 	return rc;
 }

@@ -953,9 +989,11 @@ roc_sso_rsrc_init(struct roc_sso *roc_sso, uint8_t nb_hws, uint16_t nb_hwgrp, ui
 		goto hwgrp_alloc_fail;
 	}

-	roc_sso->xaq_buf_size = rsp_hwgrp->xaq_buf_size;
-	roc_sso->xae_waes = rsp_hwgrp->xaq_wq_entries;
-	roc_sso->iue = rsp_hwgrp->in_unit_entries;
+	if (!roc_sso->feat.xaq_buf_size || !roc_sso->feat.xaq_wq_entries || !roc_sso->feat.iue) {
+		roc_sso->feat.xaq_buf_size = rsp_hwgrp->xaq_buf_size;
+		roc_sso->feat.xaq_wq_entries = rsp_hwgrp->xaq_wq_entries;
+		roc_sso->feat.iue = rsp_hwgrp->in_unit_entries;
+	}

 	rc = sso_msix_fill(roc_sso, nb_hws, nb_hwgrp);
 	if (rc < 0) {
@@ -1059,6 +1097,12 @@ roc_sso_dev_init(struct roc_sso *roc_sso)
 		goto fail;
 	}

+	rc = sso_hw_info_get(roc_sso);
+	if (rc < 0) {
+		plt_err("Failed to get SSO HW info");
+		goto fail;
+	}
+
 	rc = sso_rsrc_get(roc_sso);
 	if (rc < 0) {
 		plt_err("Failed to get SSO resources");
diff --git a/drivers/common/cnxk/roc_sso.h b/drivers/common/cnxk/roc_sso.h
index 4ac901762e..021db22c86 100644
--- a/drivers/common/cnxk/roc_sso.h
+++ b/drivers/common/cnxk/roc_sso.h
@@ -8,7 +8,7 @@
 #include "hw/ssow.h"

 #define ROC_SSO_AW_PER_LMT_LINE_LOG2 3
-#define ROC_SSO_XAE_PER_XAQ	     352
+#define ROC_SSO_MAX_HWGRP_PER_PF     256

 struct roc_sso_hwgrp_qos {
 	uint16_t hwgrp;
@@ -57,9 +57,7 @@ struct roc_sso {
 	uintptr_t lmt_base;
 	struct roc_sso_xaq_data xaq;
 	/* HW Const. */
-	uint32_t xae_waes;
-	uint32_t xaq_buf_size;
-	uint32_t iue;
+	struct sso_feat_info feat;
 	/* Private data. */
 #define ROC_SSO_MEM_SZ (16 * 1024)
 	uint8_t reserved[ROC_SSO_MEM_SZ] __plt_cache_aligned;
@@ -103,6 +101,9 @@ int __roc_api roc_sso_hwgrp_stash_config(struct roc_sso *roc_sso,
 void __roc_api roc_sso_hws_gwc_invalidate(struct roc_sso *roc_sso, uint8_t *hws,
 					  uint8_t nb_hws);

+/* Utility function */
+uint16_t __roc_api roc_sso_pf_func_get(void);
+
 /* Debug */
 void __roc_api roc_sso_dump(struct roc_sso *roc_sso, uint8_t nb_hws,
 			    uint16_t hwgrp, FILE *f);
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 877333b80c..de748ac409 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -516,6 +516,7 @@ INTERNAL {
 	roc_sso_hws_gwc_invalidate;
 	roc_sso_hws_unlink;
 	roc_sso_ns_to_gw;
+	roc_sso_pf_func_get;
 	roc_sso_rsrc_fini;
 	roc_sso_rsrc_init;
 	roc_tim_fini;
diff --git a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
index 88ea032bcb..dbebc5aef1 100644
--- a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
@@ -11,10 +11,7 @@

 #include <ethdev_driver.h>

-#include "roc_cpt.h"
-#include "roc_idev.h"
-#include "roc_sso.h"
-#include "roc_sso_dp.h"
+#include "roc_api.h"

 #include "cn10k_cryptodev.h"
 #include "cn10k_cryptodev_event_dp.h"
diff --git a/drivers/crypto/cnxk/cn9k_cryptodev_ops.c b/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
index ae00af5019..8d10bc9f9b 100644
--- a/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
@@ -8,14 +8,7 @@
 #include <rte_ip.h>
 #include <rte_vect.h>

-#include "roc_cpt.h"
-#if defined(__aarch64__)
-#include "roc_io.h"
-#else
-#include "roc_io_generic.h"
-#endif
-#include "roc_sso.h"
-#include "roc_sso_dp.h"
+#include "roc_api.h"

 #include "cn9k_cryptodev.h"
 #include "cn9k_cryptodev_ops.h"
diff --git a/drivers/event/cnxk/cn10k_eventdev.c b/drivers/event/cnxk/cn10k_eventdev.c
index 531c489172..e04377d921 100644
--- a/drivers/event/cnxk/cn10k_eventdev.c
+++ b/drivers/event/cnxk/cn10k_eventdev.c
@@ -64,6 +64,7 @@ cn10k_sso_init_hws_mem(void *arg, uint8_t port_id)
 	ws->gw_wdata = cn10k_sso_gw_mode_wdata(dev);
 	ws->gw_rdata = SSO_TT_EMPTY << 32;
 	ws->lmt_base = dev->sso.lmt_base;
+	ws->xae_waes = dev->sso.feat.xaq_wq_entries;

 	return ws;
 }
diff --git a/drivers/event/cnxk/cn10k_eventdev.h b/drivers/event/cnxk/cn10k_eventdev.h
index 372121465c..cfc0f94eca 100644
--- a/drivers/event/cnxk/cn10k_eventdev.h
+++ b/drivers/event/cnxk/cn10k_eventdev.h
@@ -23,6 +23,7 @@ struct __rte_cache_aligned cn10k_sso_hws {
 	int64_t *fc_cache_space;
 	uintptr_t aw_lmt;
 	uintptr_t grp_base;
+	uint16_t xae_waes;
 	int32_t xaq_lmt;
 	/* Tx Fastpath data */
 	alignas(RTE_CACHE_LINE_SIZE) uintptr_t lmt_base;
diff --git a/drivers/event/cnxk/cn10k_worker.c b/drivers/event/cnxk/cn10k_worker.c
index a0e85face1..d23baafa6d 100644
--- a/drivers/event/cnxk/cn10k_worker.c
+++ b/drivers/event/cnxk/cn10k_worker.c
@@ -2,6 +2,8 @@
  * Copyright(C) 2021 Marvell.
  */

+#include "roc_api.h"
+
 #include "cn10k_worker.h"
 #include "cnxk_eventdev.h"
 #include "cnxk_worker.h"
@@ -80,8 +82,7 @@ cn10k_sso_hws_forward_event(struct cn10k_sso_hws *ws,
 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;
+	return (ws->xaq_lmt - __atomic_load_n(ws->fc_mem, __ATOMIC_RELAXED)) * ws->xae_waes;
 }

 static inline void
@@ -398,7 +399,7 @@ cn10k_sso_hws_enq_new_burst(void *port, const struct rte_event ev[],
 	int32_t space;

 	/* Do a common back-pressure check and return */
-	space = sso_read_xaq_space(ws) - ROC_SSO_XAE_PER_XAQ;
+	space = sso_read_xaq_space(ws) - ws->xae_waes;
 	if (space <= 0)
 		return 0;
 	nb_events = space < nb_events ? space : nb_events;
diff --git a/drivers/event/cnxk/cnxk_eventdev.c b/drivers/event/cnxk/cnxk_eventdev.c
index 84a55511a3..ab7420ab79 100644
--- a/drivers/event/cnxk/cnxk_eventdev.c
+++ b/drivers/event/cnxk/cnxk_eventdev.c
@@ -2,7 +2,7 @@
  * Copyright(C) 2021 Marvell.
  */

-#include "roc_npa.h"
+#include "roc_api.h"

 #include "cnxk_eventdev.h"
 #include "cnxk_eventdev_dp.h"
@@ -47,7 +47,7 @@ cnxk_sso_xaq_allocate(struct cnxk_sso_evdev *dev)
 	if (dev->num_events > 0)
 		xae_cnt = dev->num_events;
 	else
-		xae_cnt = dev->sso.iue;
+		xae_cnt = dev->sso.feat.iue;

 	if (dev->xae_cnt)
 		xae_cnt += dev->xae_cnt;
diff --git a/drivers/event/cnxk/cnxk_eventdev.h b/drivers/event/cnxk/cnxk_eventdev.h
index f147ef3c78..a24e5127a7 100644
--- a/drivers/event/cnxk/cnxk_eventdev.h
+++ b/drivers/event/cnxk/cnxk_eventdev.h
@@ -21,9 +21,6 @@

 #include "cnxk_eventdev_dp.h"

-#include "roc_platform.h"
-#include "roc_sso.h"
-
 #include "cnxk_tim_evdev.h"

 #define CNXK_SSO_XAE_CNT   "xae_cnt"
diff --git a/drivers/event/cnxk/cnxk_eventdev_selftest.c b/drivers/event/cnxk/cnxk_eventdev_selftest.c
index 95c0f1b1f7..a371e44300 100644
--- a/drivers/event/cnxk/cnxk_eventdev_selftest.c
+++ b/drivers/event/cnxk/cnxk_eventdev_selftest.c
@@ -18,6 +18,8 @@
 #include <rte_random.h>
 #include <rte_test.h>

+#include "roc_api.h"
+
 #include "cnxk_eventdev.h"
 #include "cnxk_eventdev_dp.h"

diff --git a/drivers/event/cnxk/cnxk_eventdev_stats.c b/drivers/event/cnxk/cnxk_eventdev_stats.c
index a8a87a06e4..6dea91aedf 100644
--- a/drivers/event/cnxk/cnxk_eventdev_stats.c
+++ b/drivers/event/cnxk/cnxk_eventdev_stats.c
@@ -2,6 +2,8 @@
  * Copyright(C) 2021 Marvell.
  */

+#include "roc_api.h"
+
 #include "cnxk_eventdev.h"
 #include "cnxk_eventdev_dp.h"

diff --git a/drivers/event/cnxk/cnxk_tim_evdev.c b/drivers/event/cnxk/cnxk_tim_evdev.c
index bba70646fa..79036f7ed8 100644
--- a/drivers/event/cnxk/cnxk_tim_evdev.c
+++ b/drivers/event/cnxk/cnxk_tim_evdev.c
@@ -4,7 +4,7 @@

 #include <math.h>

-#include "roc_npa.h"
+#include "roc_api.h"

 #include "cnxk_eventdev.h"
 #include "cnxk_tim_evdev.h"
diff --git a/drivers/event/cnxk/cnxk_tim_worker.c b/drivers/event/cnxk/cnxk_tim_worker.c
index 1f2f2fe5d8..5dcf6085dc 100644
--- a/drivers/event/cnxk/cnxk_tim_worker.c
+++ b/drivers/event/cnxk/cnxk_tim_worker.c
@@ -2,6 +2,8 @@
  * Copyright(C) 2021 Marvell.
  */

+#include "roc_api.h"
+
 #include "cnxk_tim_evdev.h"
 #include "cnxk_tim_worker.h"

diff --git a/drivers/event/cnxk/cnxk_worker.c b/drivers/event/cnxk/cnxk_worker.c
index 60876abcff..a07c9185d9 100644
--- a/drivers/event/cnxk/cnxk_worker.c
+++ b/drivers/event/cnxk/cnxk_worker.c
@@ -6,9 +6,7 @@
 #include <rte_pmd_cnxk_eventdev.h>
 #include <rte_eventdev.h>

-#include "roc_platform.h"
-#include "roc_sso.h"
-#include "roc_sso_dp.h"
+#include "roc_api.h"

 struct pwords {
 	uint64_t u[5];
--
2.25.1