From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id BA663A04DD; Tue, 20 Oct 2020 10:49:57 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 908B3BBAA; Tue, 20 Oct 2020 10:49:08 +0200 (CEST) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id E73C2AD28 for ; Tue, 20 Oct 2020 10:48:56 +0200 (CEST) Received: from mx1-us1.ppe-hosted.com (unknown [10.7.65.61]) by dispatch1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 7080A60065 for ; Tue, 20 Oct 2020 08:48:55 +0000 (UTC) Received: from us4-mdac16-64.ut7.mdlocal (unknown [10.7.66.63]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 711958009E for ; Tue, 20 Oct 2020 08:48:55 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.7.66.33]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id F29A380051 for ; Tue, 20 Oct 2020 08:48:54 +0000 (UTC) Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 9D838A8006D for ; Tue, 20 Oct 2020 08:48:54 +0000 (UTC) Received: from ukex01.SolarFlarecom.com (10.17.10.4) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 20 Oct 2020 09:48:50 +0100 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 20 Oct 2020 09:48:49 +0100 Received: from ukv-loginhost.uk.solarflarecom.com (ukv-loginhost.uk.solarflarecom.com [10.17.10.39]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id 09K8mnmI030803; Tue, 20 Oct 2020 09:48:49 +0100 Received: from ukv-loginhost.uk.solarflarecom.com (localhost [127.0.0.1]) by ukv-loginhost.uk.solarflarecom.com (Postfix) with ESMTP id 041F31616ED; Tue, 20 Oct 2020 09:48:48 +0100 (BST) From: Andrew Rybchenko To: CC: , Ivan Malov Date: Tue, 20 Oct 2020 09:47:33 +0100 Message-ID: <1603183709-23420-7-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1603183709-23420-1-git-send-email-arybchenko@solarflare.com> References: <1603183709-23420-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.6.1012-25736.003 X-TM-AS-Result: No-0.516000-8.000000-10 X-TMASE-MatchedRID: pm5esiOnALWioKUtUDGXZVH6kd/WWyJVaeMaKzvXUpkOW0St5DT4VNnf JrUSEbFDMdqMWOXDAJRA+I8ifrgnnSHhSBQfglfsx5sgyUhLCNurlTqw7wfC0+MjEVIO/sdOZd0 GRVurhXHXKTbTa66f9mN0jvDhpUVG++XBDev6r0wPe5gzF3TVt1BijjE0XjY+eoHKBqqMb3GjxY yRBa/qJcFwgTvxipFajoczmuoPCq1nSgmzdTvBkY0u9j5IZFXbhL21g1HCvv/qjBBBl0JtStcCM mCrASy7KzVNYYm/dZyov9YDULidiWAmlRoH0vpE8dF7rotrHveF15h6/oibNbKsWJ44GuEGPNxa u39/BitFwHZmk+dWMlDn6t9UOCUflExlQIQeRG0= X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10-0.516000-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.6.1012-25736.003 X-MDID: 1603183735-3-F-g-MXarN4 X-PPE-DISP: 1603183735;3-F-g-MXarN4 Subject: [dpdk-dev] [PATCH 06/62] common/sfc_efx/base: add an MAE limit query API X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Ivan Malov Add an API for client drivers to query the engine limits. Signed-off-by: Ivan Malov Signed-off-by: Andrew Rybchenko Reviewed-by: Andy Moreton --- drivers/common/sfc_efx/base/efx.h | 10 +++ drivers/common/sfc_efx/base/efx_impl.h | 1 + drivers/common/sfc_efx/base/efx_mae.c | 72 +++++++++++++++++++ .../sfc_efx/rte_common_sfc_efx_version.map | 1 + 4 files changed, 84 insertions(+) diff --git a/drivers/common/sfc_efx/base/efx.h b/drivers/common/sfc_efx/base/efx.h index f109c8e332..db66be0faf 100644 --- a/drivers/common/sfc_efx/base/efx.h +++ b/drivers/common/sfc_efx/base/efx.h @@ -4048,6 +4048,16 @@ extern void efx_mae_fini( __in efx_nic_t *enp); +typedef struct efx_mae_limits_s { + uint32_t eml_max_n_action_prios; +} efx_mae_limits_t; + +LIBEFX_API +extern __checkReturn efx_rc_t +efx_mae_get_limits( + __in efx_nic_t *enp, + __out efx_mae_limits_t *emlp); + #endif /* EFSYS_OPT_MAE */ #ifdef __cplusplus diff --git a/drivers/common/sfc_efx/base/efx_impl.h b/drivers/common/sfc_efx/base/efx_impl.h index 8e72796acf..6e9329c203 100644 --- a/drivers/common/sfc_efx/base/efx_impl.h +++ b/drivers/common/sfc_efx/base/efx_impl.h @@ -783,6 +783,7 @@ typedef struct efx_proxy_ops_s { #if EFSYS_OPT_MAE typedef struct efx_mae_s { + uint32_t em_max_n_action_prios; } efx_mae_t; #endif /* EFSYS_OPT_MAE */ diff --git a/drivers/common/sfc_efx/base/efx_mae.c b/drivers/common/sfc_efx/base/efx_mae.c index 0de9ccb2e0..c93342de15 100644 --- a/drivers/common/sfc_efx/base/efx_mae.c +++ b/drivers/common/sfc_efx/base/efx_mae.c @@ -10,6 +10,47 @@ #if EFSYS_OPT_MAE +static __checkReturn efx_rc_t +efx_mae_get_capabilities( + __in efx_nic_t *enp) +{ + efx_mcdi_req_t req; + EFX_MCDI_DECLARE_BUF(payload, + MC_CMD_MAE_GET_CAPS_IN_LEN, + MC_CMD_MAE_GET_CAPS_OUT_LEN); + struct efx_mae_s *maep = enp->en_maep; + efx_rc_t rc; + + req.emr_cmd = MC_CMD_MAE_GET_CAPS; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_MAE_GET_CAPS_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_MAE_GET_CAPS_OUT_LEN; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used < MC_CMD_MAE_GET_CAPS_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + maep->em_max_n_action_prios = + MCDI_OUT_DWORD(req, MAE_GET_CAPS_OUT_ACTION_PRIOS); + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + return (rc); +} + __checkReturn efx_rc_t efx_mae_init( __in efx_nic_t *enp) @@ -31,8 +72,16 @@ efx_mae_init( enp->en_maep = maep; + rc = efx_mae_get_capabilities(enp); + if (rc != 0) + goto fail3; + return (0); +fail3: + EFSYS_PROBE(fail3); + EFSYS_KMEM_FREE(enp->en_esip, sizeof (struct efx_mae_s), enp->en_maep); + enp->en_maep = NULL; fail2: EFSYS_PROBE(fail2); fail1: @@ -54,4 +103,27 @@ efx_mae_fini( enp->en_maep = NULL; } + __checkReturn efx_rc_t +efx_mae_get_limits( + __in efx_nic_t *enp, + __out efx_mae_limits_t *emlp) +{ + const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp); + struct efx_mae_s *maep = enp->en_maep; + efx_rc_t rc; + + if (encp->enc_mae_supported == B_FALSE) { + rc = ENOTSUP; + goto fail1; + } + + emlp->eml_max_n_action_prios = maep->em_max_n_action_prios; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + return (rc); +} + #endif /* EFSYS_OPT_MAE */ diff --git a/drivers/common/sfc_efx/rte_common_sfc_efx_version.map b/drivers/common/sfc_efx/rte_common_sfc_efx_version.map index c76dfe1e45..4b500b646a 100644 --- a/drivers/common/sfc_efx/rte_common_sfc_efx_version.map +++ b/drivers/common/sfc_efx/rte_common_sfc_efx_version.map @@ -86,6 +86,7 @@ INTERNAL { efx_mac_up; efx_mae_fini; + efx_mae_get_limits; efx_mae_init; efx_mcdi_fini; -- 2.17.1