From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27985C43613 for ; Thu, 20 Jun 2019 20:25:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EC11A206BF for ; Thu, 20 Jun 2019 20:25:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=pensando.io header.i=@pensando.io header.b="eBmoJz1Z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726857AbfFTUYf (ORCPT ); Thu, 20 Jun 2019 16:24:35 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:38186 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725907AbfFTUYd (ORCPT ); Thu, 20 Jun 2019 16:24:33 -0400 Received: by mail-pf1-f196.google.com with SMTP id a186so2295226pfa.5 for ; Thu, 20 Jun 2019 13:24:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pensando.io; s=google; h=from:to:subject:date:message-id:in-reply-to:references; bh=HEVOoCLLh4bGiLpKf8TqVjsGFwu21RvWzipLge0NjKs=; b=eBmoJz1Zy4/s2ugsIJmnkwLqzvkbvEu++qskomx9Q3zc0R0cxOyn55KraUEmQpgU0I jl4tYI0Z6jnuf5Qwtne9yVten/QkenbKS+WZ7bbpVYcS9scYvSLwWkcW2BVGGChbNgSQ hnAPdGidE/cuB2zG5/z9l6C41hwNP8RVLizqJyvbBy+iO6GZYkjkV5OYNlqnmFOorj0Q H2Kv3ZsqyAmtalUu3xzCKAtxx3cj899Bmh71/roCy2KkqegzQRyhUItnBJiUmcHBly9H oLwTff9BryP2wJthtJDn0A6LvqsEwOm7yFuDZ/zo52SUzjqD6tLP384M/GBzu4A+0NBU Mhcw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=HEVOoCLLh4bGiLpKf8TqVjsGFwu21RvWzipLge0NjKs=; b=ng/CFLGklQ+vbuXhkDqFOPkBqq5cQg/3J13iCk+CMOtrr8PzZwuxVDLDJxXfjcTLAQ 0o2LsUWgCUPICrOuhg2qLWKjSLNHeQwkb6obxV88oAfd0Cg+sCPIakH+983I2qd6nhH6 hwD4qQJ03Kw8xG89qa3ysD887HUhkDn352C3QX8oRbQX8dacPWlRy9FJ4W9uO8DN6NYE GhCv332e2dpKqtGG9D2ckxgxR/p/5K5jdExKKLg6fa38iRzDtPPHZVOp+vfnBEVeK4th hqfsuiVGBJYshiyQQSq+gmsllSVc5PZ6r2HY5d38Cw5k7CeF3nC+80CfUMn2FS6yI0el yzfw== X-Gm-Message-State: APjAAAX+gKIJCHsweuwc87ObC5c0veU2xCGrr6t+BN9lD4I4rvhvStSM h4Li+LsaxexdhOdyQGRgNDMAng== X-Google-Smtp-Source: APXvYqzjgShOp6RYeFSuJ3KoLIDq8BHGe5yFrzh901gTRxtCwYeo8bRyu356kRvTG+WdPDL1+1b0Hw== X-Received: by 2002:a17:90a:480d:: with SMTP id a13mr1487564pjh.40.1561062272399; Thu, 20 Jun 2019 13:24:32 -0700 (PDT) Received: from driver-dev1.pensando.io ([12.1.37.26]) by smtp.gmail.com with ESMTPSA id h26sm340537pfq.64.2019.06.20.13.24.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 Jun 2019 13:24:31 -0700 (PDT) From: Shannon Nelson To: snelson@pensando.io, netdev@vger.kernel.org Subject: [PATCH net-next 03/18] ionic: Add port management commands Date: Thu, 20 Jun 2019 13:24:09 -0700 Message-Id: <20190620202424.23215-4-snelson@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190620202424.23215-1-snelson@pensando.io> References: <20190620202424.23215-1-snelson@pensando.io> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The port management commands apply to the physical port associated with the PCI device, which might be shared among several logical interfaces. Signed-off-by: Shannon Nelson --- drivers/net/ethernet/pensando/ionic/ionic.h | 4 + .../ethernet/pensando/ionic/ionic_bus_pci.c | 16 +++ .../net/ethernet/pensando/ionic/ionic_dev.c | 116 ++++++++++++++++++ .../net/ethernet/pensando/ionic/ionic_dev.h | 15 +++ .../net/ethernet/pensando/ionic/ionic_main.c | 95 ++++++++++++++ 5 files changed, 246 insertions(+) diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h index f19503c5aca6..a1ed9bc486dd 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic.h +++ b/drivers/net/ethernet/pensando/ionic/ionic.h @@ -45,4 +45,8 @@ int ionic_identify(struct ionic *ionic); int ionic_init(struct ionic *ionic); int ionic_reset(struct ionic *ionic); +int ionic_port_identify(struct ionic *ionic); +int ionic_port_init(struct ionic *ionic); +int ionic_port_reset(struct ionic *ionic); + #endif /* _IONIC_H_ */ diff --git a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c index 018ed00ff566..407988f17796 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c @@ -145,10 +145,25 @@ static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_teardown; } + /* Configure the ports */ + err = ionic_port_identify(ionic); + if (err) { + dev_err(dev, "Cannot identify port: %d, aborting\n", err); + goto err_out_reset; + } + + err = ionic_port_init(ionic); + if (err) { + dev_err(dev, "Cannot init port: %d, aborting\n", err); + goto err_out_reset; + } + dev_info(ionic->dev, "attached\n"); return 0; +err_out_reset: + ionic_reset(ionic); err_out_teardown: ionic_dev_teardown(ionic); err_out_unmap_bars: @@ -172,6 +187,7 @@ static void ionic_remove(struct pci_dev *pdev) struct ionic *ionic = pci_get_drvdata(pdev); if (ionic) { + ionic_port_reset(ionic); ionic_reset(ionic); ionic_dev_teardown(ionic); ionic_unmap_bars(ionic); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c index f3e457853a5a..55fd2881aac3 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c @@ -130,3 +130,119 @@ void ionic_dev_cmd_reset(struct ionic_dev *idev) ionic_dev_cmd_go(idev, &cmd); } + +/* Port commands */ +void ionic_dev_cmd_port_identify(struct ionic_dev *idev) +{ + union dev_cmd cmd = { + .port_init.opcode = CMD_OPCODE_PORT_IDENTIFY, + .port_init.index = 0, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_init(struct ionic_dev *idev) +{ + union dev_cmd cmd = { + .port_init.opcode = CMD_OPCODE_PORT_INIT, + .port_init.index = 0, + .port_init.info_pa = cpu_to_le64(idev->port_info_pa), + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_reset(struct ionic_dev *idev) +{ + union dev_cmd cmd = { + .port_reset.opcode = CMD_OPCODE_PORT_RESET, + .port_reset.index = 0, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_state(struct ionic_dev *idev, u8 state) +{ + union dev_cmd cmd = { + .port_setattr.opcode = CMD_OPCODE_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_STATE, + .port_setattr.state = state, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_speed(struct ionic_dev *idev, u32 speed) +{ + union dev_cmd cmd = { + .port_setattr.opcode = CMD_OPCODE_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_SPEED, + .port_setattr.speed = cpu_to_le32(speed), + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_mtu(struct ionic_dev *idev, u32 mtu) +{ + union dev_cmd cmd = { + .port_setattr.opcode = CMD_OPCODE_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_MTU, + .port_setattr.mtu = cpu_to_le32(mtu), + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_autoneg(struct ionic_dev *idev, u8 an_enable) +{ + union dev_cmd cmd = { + .port_setattr.opcode = CMD_OPCODE_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_AUTONEG, + .port_setattr.an_enable = an_enable, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_fec(struct ionic_dev *idev, u8 fec_type) +{ + union dev_cmd cmd = { + .port_setattr.opcode = CMD_OPCODE_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_FEC, + .port_setattr.fec_type = fec_type, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_pause(struct ionic_dev *idev, u8 pause_type) +{ + union dev_cmd cmd = { + .port_setattr.opcode = CMD_OPCODE_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_PAUSE, + .port_setattr.pause_type = pause_type, + }; + + ionic_dev_cmd_go(idev, &cmd); +} + +void ionic_dev_cmd_port_loopback(struct ionic_dev *idev, u8 loopback_mode) +{ + union dev_cmd cmd = { + .port_setattr.opcode = CMD_OPCODE_PORT_SETATTR, + .port_setattr.index = 0, + .port_setattr.attr = IONIC_PORT_ATTR_LOOPBACK, + .port_setattr.loopback_mode = loopback_mode, + }; + + ionic_dev_cmd_go(idev, &cmd); +} diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h index 66afab3ee396..fe5e1b0e8d55 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h @@ -123,6 +123,10 @@ struct ionic_dev { struct ionic_intr __iomem *intr_ctrl; u64 __iomem *intr_status; + struct port_info *port_info; + dma_addr_t port_info_pa; + u32 port_info_sz; + struct ionic_devinfo dev_info; }; @@ -141,4 +145,15 @@ void ionic_dev_cmd_identify(struct ionic_dev *idev, u8 ver); void ionic_dev_cmd_init(struct ionic_dev *idev); void ionic_dev_cmd_reset(struct ionic_dev *idev); +void ionic_dev_cmd_port_identify(struct ionic_dev *idev); +void ionic_dev_cmd_port_init(struct ionic_dev *idev); +void ionic_dev_cmd_port_reset(struct ionic_dev *idev); +void ionic_dev_cmd_port_state(struct ionic_dev *idev, u8 state); +void ionic_dev_cmd_port_speed(struct ionic_dev *idev, u32 speed); +void ionic_dev_cmd_port_mtu(struct ionic_dev *idev, u32 mtu); +void ionic_dev_cmd_port_autoneg(struct ionic_dev *idev, u8 an_enable); +void ionic_dev_cmd_port_fec(struct ionic_dev *idev, u8 fec_type); +void ionic_dev_cmd_port_pause(struct ionic_dev *idev, u8 pause_type); +void ionic_dev_cmd_port_loopback(struct ionic_dev *idev, u8 loopback_mode); + #endif /* _IONIC_DEV_H_ */ diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c index 2ac1ed12a81d..36314f865b94 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_main.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c @@ -309,6 +309,101 @@ int ionic_reset(struct ionic *ionic) return err; } +int ionic_port_identify(struct ionic *ionic) +{ + struct identity *ident = &ionic->ident; + struct ionic_dev *idev = &ionic->idev; + struct device *dev = ionic->dev; + size_t sz; + int err; + + mutex_lock(&ionic->dev_cmd_lock); + + ionic_dev_cmd_port_identify(idev); + err = ionic_dev_cmd_wait(ionic, devcmd_timeout); + if (!err) { + sz = min(sizeof(ident->port), sizeof(idev->dev_cmd_regs->data)); + memcpy_fromio(&ident->port, &idev->dev_cmd_regs->data, sz); + } + + mutex_unlock(&ionic->dev_cmd_lock); + + dev_dbg(dev, "speed %d\n", ident->port.config.speed); + dev_dbg(dev, "mtu %d\n", ident->port.config.mtu); + dev_dbg(dev, "state %d\n", ident->port.config.state); + dev_dbg(dev, "an_enable %d\n", ident->port.config.an_enable); + dev_dbg(dev, "fec_type %d\n", ident->port.config.fec_type); + dev_dbg(dev, "pause_type %d\n", ident->port.config.pause_type); + dev_dbg(dev, "loopback_mode %d\n", ident->port.config.loopback_mode); + + return err; +} + +int ionic_port_init(struct ionic *ionic) +{ + struct identity *ident = &ionic->ident; + struct ionic_dev *idev = &ionic->idev; + size_t sz; + int err; + + if (idev->port_info) + return 0; + + idev->port_info_sz = ALIGN(sizeof(*idev->port_info), PAGE_SIZE); + idev->port_info = dma_alloc_coherent(ionic->dev, idev->port_info_sz, + &idev->port_info_pa, + GFP_KERNEL); + if (!idev->port_info) { + dev_err(ionic->dev, "Failed to allocate port info, aborting\n"); + return -ENOMEM; + } + + sz = min(sizeof(ident->port.config), sizeof(idev->dev_cmd_regs->data)); + + mutex_lock(&ionic->dev_cmd_lock); + + memcpy_toio(&idev->dev_cmd_regs->data, &ident->port.config, sz); + ionic_dev_cmd_port_init(idev); + err = ionic_dev_cmd_wait(ionic, devcmd_timeout); + + ionic_dev_cmd_port_state(&ionic->idev, PORT_ADMIN_STATE_UP); + (void)ionic_dev_cmd_wait(ionic, devcmd_timeout); + + mutex_unlock(&ionic->dev_cmd_lock); + if (err) { + dev_err(ionic->dev, "Failed to init port\n"); + return err; + } + + return 0; +} + +int ionic_port_reset(struct ionic *ionic) +{ + struct ionic_dev *idev = &ionic->idev; + int err; + + if (!idev->port_info) + return 0; + + mutex_lock(&ionic->dev_cmd_lock); + ionic_dev_cmd_port_reset(idev); + err = ionic_dev_cmd_wait(ionic, devcmd_timeout); + mutex_unlock(&ionic->dev_cmd_lock); + if (err) { + dev_err(ionic->dev, "Failed to reset port\n"); + return err; + } + + dma_free_coherent(ionic->dev, idev->port_info_sz, + idev->port_info, idev->port_info_pa); + + idev->port_info = NULL; + idev->port_info_pa = 0; + + return err; +} + static int __init ionic_init_module(void) { ionic_struct_size_checks(); -- 2.17.1