From patchwork Sat Jun 22 13:23:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerin Jacob Kollanukkaran X-Patchwork-Id: 55192 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 76C241C5A1; Sat, 22 Jun 2019 15:24:49 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id C3AA31C592 for ; Sat, 22 Jun 2019 15:24:42 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5MDOdvL028286 for ; Sat, 22 Jun 2019 06:24:42 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0818; bh=9iJPrcuD6NBjaJNrzoWjrwJkdFFteXgk490qdY0OM18=; b=feUcG7Sto4g77an60SvJc9z77i7SYqbMkC+0c/pQx1Jp5fdp9HEmy3xYh8MeHMfwLXuU f/KvkSxib5Jd5VoBExkh6kwnkEaC4dxB8z//IID4es5GVLBAUfLlMTfBsp2Rji9+MIs8 khQaI1S1gZazXMeCbacraYcO3f8K/+OhpoAvGIWZsGB/DCDUaB6B+4qUxVdwBVCwaiAP tCgbc+7WCEZoGA4hWk1TouuAwvYP+kW3gxaMaG3/3+ZigRlJHEM82bq25Kop/flzR2CB WBCajjy/L1d9TBuqGZFZTVvdnsHrQkOQLxTZKbuYop+61BPJ5E2NtHHNaF7jQRwwJ0Xq Ig== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 2t9hpnrgen-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Sat, 22 Jun 2019 06:24:41 -0700 Received: from SC-EXCH03.marvell.com (10.93.176.83) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Sat, 22 Jun 2019 06:24:40 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Sat, 22 Jun 2019 06:24:40 -0700 Received: from jerin-lab.marvell.com (jerin-lab.marvell.com [10.28.34.14]) by maili.marvell.com (Postfix) with ESMTP id 628F03F703F; Sat, 22 Jun 2019 06:24:39 -0700 (PDT) From: To: Jerin Jacob , Nithin Dabilpuram , Vamsi Attunuru CC: Date: Sat, 22 Jun 2019 18:53:54 +0530 Message-ID: <20190622132417.32694-5-jerinj@marvell.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190622132417.32694-1-jerinj@marvell.com> References: <20190617155537.36144-1-jerinj@marvell.com> <20190622132417.32694-1-jerinj@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-06-22_09:, , signatures=0 Subject: [dpdk-dev] [PATCH v4 04/27] common/octeontx2: add mailbox base support infra 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: Jerin Jacob This patch adds mailbox init and fini support. Each RVU device has a dedicated 64KB mailbox region shared with its peer for communication. RVU AF has a separate mailbox region shared with each of RVU PFs and an RVU PF has a separate region shared with each of it's VF. Signed-off-by: Jerin Jacob Signed-off-by: Vamsi Attunuru Signed-off-by: Nithin Dabilpuram --- drivers/common/octeontx2/otx2_mbox.c | 133 +++++++++++++++++++++++++++ drivers/common/octeontx2/otx2_mbox.h | 5 + 2 files changed, 138 insertions(+) diff --git a/drivers/common/octeontx2/otx2_mbox.c b/drivers/common/octeontx2/otx2_mbox.c index c9cdbdbbc..cb03f6503 100644 --- a/drivers/common/octeontx2/otx2_mbox.c +++ b/drivers/common/octeontx2/otx2_mbox.c @@ -2,4 +2,137 @@ * Copyright(C) 2019 Marvell International Ltd. */ +#include +#include +#include +#include + +#include +#include + #include "otx2_mbox.h" + +#define RVU_AF_AFPF_MBOX0 (0x02000) +#define RVU_AF_AFPF_MBOX1 (0x02008) + +#define RVU_PF_PFAF_MBOX0 (0xC00) +#define RVU_PF_PFAF_MBOX1 (0xC08) + +#define RVU_PF_VFX_PFVF_MBOX0 (0x0000) +#define RVU_PF_VFX_PFVF_MBOX1 (0x0008) + +#define RVU_VF_VFPF_MBOX0 (0x0000) +#define RVU_VF_VFPF_MBOX1 (0x0008) + +void +otx2_mbox_fini(struct otx2_mbox *mbox) +{ + mbox->reg_base = 0; + mbox->hwbase = 0; + free(mbox->dev); + mbox->dev = NULL; +} + +void +otx2_mbox_reset(struct otx2_mbox *mbox, int devid) +{ + struct otx2_mbox_dev *mdev = &mbox->dev[devid]; + struct mbox_hdr *tx_hdr = + (struct mbox_hdr *)((uintptr_t)mdev->mbase + mbox->tx_start); + struct mbox_hdr *rx_hdr = + (struct mbox_hdr *)((uintptr_t)mdev->mbase + mbox->rx_start); + + rte_spinlock_lock(&mdev->mbox_lock); + mdev->msg_size = 0; + mdev->rsp_size = 0; + tx_hdr->msg_size = 0; + tx_hdr->num_msgs = 0; + rx_hdr->msg_size = 0; + rx_hdr->num_msgs = 0; + rte_spinlock_unlock(&mdev->mbox_lock); +} + +int +otx2_mbox_init(struct otx2_mbox *mbox, uintptr_t hwbase, + uintptr_t reg_base, int direction, int ndevs) +{ + struct otx2_mbox_dev *mdev; + int devid; + + mbox->reg_base = reg_base; + mbox->hwbase = hwbase; + + switch (direction) { + case MBOX_DIR_AFPF: + case MBOX_DIR_PFVF: + mbox->tx_start = MBOX_DOWN_TX_START; + mbox->rx_start = MBOX_DOWN_RX_START; + mbox->tx_size = MBOX_DOWN_TX_SIZE; + mbox->rx_size = MBOX_DOWN_RX_SIZE; + break; + case MBOX_DIR_PFAF: + case MBOX_DIR_VFPF: + mbox->tx_start = MBOX_DOWN_RX_START; + mbox->rx_start = MBOX_DOWN_TX_START; + mbox->tx_size = MBOX_DOWN_RX_SIZE; + mbox->rx_size = MBOX_DOWN_TX_SIZE; + break; + case MBOX_DIR_AFPF_UP: + case MBOX_DIR_PFVF_UP: + mbox->tx_start = MBOX_UP_TX_START; + mbox->rx_start = MBOX_UP_RX_START; + mbox->tx_size = MBOX_UP_TX_SIZE; + mbox->rx_size = MBOX_UP_RX_SIZE; + break; + case MBOX_DIR_PFAF_UP: + case MBOX_DIR_VFPF_UP: + mbox->tx_start = MBOX_UP_RX_START; + mbox->rx_start = MBOX_UP_TX_START; + mbox->tx_size = MBOX_UP_RX_SIZE; + mbox->rx_size = MBOX_UP_TX_SIZE; + break; + default: + return -ENODEV; + } + + switch (direction) { + case MBOX_DIR_AFPF: + case MBOX_DIR_AFPF_UP: + mbox->trigger = RVU_AF_AFPF_MBOX0; + mbox->tr_shift = 4; + break; + case MBOX_DIR_PFAF: + case MBOX_DIR_PFAF_UP: + mbox->trigger = RVU_PF_PFAF_MBOX1; + mbox->tr_shift = 0; + break; + case MBOX_DIR_PFVF: + case MBOX_DIR_PFVF_UP: + mbox->trigger = RVU_PF_VFX_PFVF_MBOX0; + mbox->tr_shift = 12; + break; + case MBOX_DIR_VFPF: + case MBOX_DIR_VFPF_UP: + mbox->trigger = RVU_VF_VFPF_MBOX1; + mbox->tr_shift = 0; + break; + default: + return -ENODEV; + } + + mbox->dev = malloc(ndevs * sizeof(struct otx2_mbox_dev)); + if (!mbox->dev) { + otx2_mbox_fini(mbox); + return -ENOMEM; + } + mbox->ndevs = ndevs; + for (devid = 0; devid < ndevs; devid++) { + mdev = &mbox->dev[devid]; + mdev->mbase = (void *)(mbox->hwbase + (devid * MBOX_SIZE)); + rte_spinlock_init(&mdev->mbox_lock); + /* Init header to reset value */ + otx2_mbox_reset(mbox, devid); + } + + return 0; +} diff --git a/drivers/common/octeontx2/otx2_mbox.h b/drivers/common/octeontx2/otx2_mbox.h index 47bd91a97..c6c899661 100644 --- a/drivers/common/octeontx2/otx2_mbox.h +++ b/drivers/common/octeontx2/otx2_mbox.h @@ -1411,4 +1411,9 @@ struct tim_enable_rsp { uint32_t __otx2_io currentbucket; }; +void otx2_mbox_reset(struct otx2_mbox *mbox, int devid); +int otx2_mbox_init(struct otx2_mbox *mbox, uintptr_t hwbase, + uintptr_t reg_base, int direction, int ndevs); +void otx2_mbox_fini(struct otx2_mbox *mbox); + #endif /* __OTX2_MBOX_H__ */