From patchwork Thu Aug 22 13:47:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Stanner X-Patchwork-Id: 13773470 X-Patchwork-Delegate: bhelgaas@google.com Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 10F7B1CDFDF for ; Thu, 22 Aug 2024 13:48:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724334500; cv=none; b=DYJD+YLMWkj0UTcajftXr4c0t2HYAR34Mnd0VML4zoT5NIVKxREPgOgz/m10+e/DfPaB1WTapDIQMhX6KzbqFlsrCyyQgtXgDjIWlDaSMEDX/syYZmaBYlK2rBmnpdNBPEqiLyXVmcc2zAaRz6Ld9VQ2zVr4JeaT4oCIvmiLqFg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724334500; c=relaxed/simple; bh=Me/VBGfLq2KkhHhzkti+j6tzd1UShbG7U7ve4P+FN3c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VYRiQXHRuXVfDN2Zm5nNRX0eiVTNgiweyo56wvkZmZGqLfiUm3ktAZoo4fPMSlv8Ot3A2rHNVPuQgL1scWMt4DL1y966FTIhiRs8RgXLPqdt051N57R6wb465QT6OMwZ2dl0qGfsHPEHv/AAfgeTIPOVnbwj6DpXshtZLI3qSEI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=B66aLWlu; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="B66aLWlu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1724334497; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6h4v+tZpLlqIwoSAXvFUJWXM7qY2tlcI9NvuTPZYAG4=; b=B66aLWluZZQxUarZ0ZOhNgGQMCY3d1fpM+hrj3THG9QvkjJKKygOpLG/5Q22QdJIQ+rUfQ dSTQeXaePII7kVogVSXnW3USeERqD0nbQLUzphIndqTPQV6+jCQUQCuYKu0LlWUz591EeC t4jOtv5AhLJFFWQwMQa6kjwDdLrCuWU= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-67-7AGzI4iJOaW4EEEKmhvLLQ-1; Thu, 22 Aug 2024 09:48:12 -0400 X-MC-Unique: 7AGzI4iJOaW4EEEKmhvLLQ-1 Received: by mail-wm1-f71.google.com with SMTP id 5b1f17b1804b1-428076fef5dso6754905e9.2 for ; Thu, 22 Aug 2024 06:48:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724334491; x=1724939291; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=6h4v+tZpLlqIwoSAXvFUJWXM7qY2tlcI9NvuTPZYAG4=; b=YhdFe1XrTR0mJy2xQb9RS1uUYEcgg8c3cwszDpwilATEyxsapM2ffYCCccS+v+A9MA Nhp/Uv1P6HsUUk1aa73hSgQHVjEfJqTc/c+5EBJhk94UN5kghGwfdOM1QeD+oV2fXMML ykRz3ybOVP3IBOMJWb2y6hv85HDkmyG5OPuRQIFvYWbtG4DP3A+XQGfOPx1N/mppkNNp 3QmSpM+3drGL8Jrtv7RxEhEFzkUZ3vihIYFqzG19BTJR2o/bADhodGdkrugu07gtf/s1 xE9PT3g8OOn4K2AF27awnTg+GsrjtWrd1lyQTZceu2nz9X5HGejMTqx8vGbXmQivcsNW Q4dQ== X-Forwarded-Encrypted: i=1; AJvYcCVmmPkEKlZvp+4JC6qeLnUJ9lVNw+5Y3NAr/v5TwaxorHInXqV9yHJGYsy3A/DBXl2QpULOngvDMcE=@vger.kernel.org X-Gm-Message-State: AOJu0YxyQ0VQAz+tN8x4NhMgsW6LMp1xRsw09sNisJkEgAdRptdxu7i0 NM7Hiig/HWw02Ho9EhTw6lZufXxWuwVofKEWt5pnJmL315/4zwN4EEWBkUI4TVsEbc0kGdrC/NN HN4TTYkn7oJsfnmwgfbad4Pz7MLmRREfHGBMosnb8GA4BP/ramgvgOb3UVw== X-Received: by 2002:a05:600c:444b:b0:428:1ce0:4dfd with SMTP id 5b1f17b1804b1-42abf09ff9cmr36150035e9.34.1724334491035; Thu, 22 Aug 2024 06:48:11 -0700 (PDT) X-Google-Smtp-Source: AGHT+IH6akima5CtgXO6K5U8TUtsOlzD7gs9FdnvsxKJnG5gEPJ1/b/QeEPWH0oT+lxtkjuS4oHl+Q== X-Received: by 2002:a05:600c:444b:b0:428:1ce0:4dfd with SMTP id 5b1f17b1804b1-42abf09ff9cmr36149635e9.34.1724334490614; Thu, 22 Aug 2024 06:48:10 -0700 (PDT) Received: from eisenberg.muc.redhat.com (nat-pool-muc-t.redhat.com. [149.14.88.26]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42ac5162322sm25057215e9.24.2024.08.22.06.48.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Aug 2024 06:48:10 -0700 (PDT) From: Philipp Stanner To: Jonathan Corbet , Jens Axboe , Wu Hao , Tom Rix , Moritz Fischer , Xu Yilun , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Bjorn Helgaas , Alvaro Karsz , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , =?utf-8?q?Eugenio_P=C3=A9rez?= , Richard Cochran , Mark Brown , David Lechner , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Philipp Stanner , Damien Le Moal , Hannes Reinecke , Chaitanya Kulkarni Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-fpga@vger.kernel.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, virtualization@lists.linux.dev Subject: [PATCH v3 8/9] vdap: solidrun: Replace deprecated PCI functions Date: Thu, 22 Aug 2024 15:47:40 +0200 Message-ID: <20240822134744.44919-9-pstanner@redhat.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240822134744.44919-1-pstanner@redhat.com> References: <20240822134744.44919-1-pstanner@redhat.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 solidrun utilizes pcim_iomap_regions(), which has been deprecated by the PCI subsystem in commit e354bb84a4c1 ("PCI: Deprecate pcim_iomap_table(), pcim_iomap_regions_request_all()"), among other things because it forces usage of quite a complicated bitmask mechanism. The bitmask handling code can entirely be removed by replacing pcim_iomap_regions() and pcim_iomap_table(). Replace pcim_iomap_regions() and pcim_iomap_table() with pcim_iomap_region(). Signed-off-by: Philipp Stanner --- drivers/vdpa/solidrun/snet_main.c | 52 +++++++++++-------------------- 1 file changed, 18 insertions(+), 34 deletions(-) diff --git a/drivers/vdpa/solidrun/snet_main.c b/drivers/vdpa/solidrun/snet_main.c index 67235f6190ef..fb15e844847d 100644 --- a/drivers/vdpa/solidrun/snet_main.c +++ b/drivers/vdpa/solidrun/snet_main.c @@ -556,36 +556,25 @@ static const struct vdpa_config_ops snet_config_ops = { static int psnet_open_pf_bar(struct pci_dev *pdev, struct psnet *psnet) { char *name; - int ret, i, mask = 0; - /* We don't know which BAR will be used to communicate.. - * We will map every bar with len > 0. - * - * Later, we will discover the BAR and unmap all other BARs. - */ - for (i = 0; i < PCI_STD_NUM_BARS; i++) { - if (pci_resource_len(pdev, i)) - mask |= (1 << i); - } - - /* No BAR can be used.. */ - if (!mask) { - SNET_ERR(pdev, "Failed to find a PCI BAR\n"); - return -ENODEV; - } + unsigned short i; name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "psnet[%s]-bars", pci_name(pdev)); if (!name) return -ENOMEM; - ret = pcim_iomap_regions(pdev, mask, name); - if (ret) { - SNET_ERR(pdev, "Failed to request and map PCI BARs\n"); - return ret; - } - + /* We don't know which BAR will be used to communicate.. + * We will map every bar with len > 0. + * + * Later, we will discover the BAR and unmap all other BARs. + */ for (i = 0; i < PCI_STD_NUM_BARS; i++) { - if (mask & (1 << i)) - psnet->bars[i] = pcim_iomap_table(pdev)[i]; + if (!pci_resource_len(pdev, i)) + continue; + psnet->bars[i] = pcim_iomap_region(pdev, i, name); + if (IS_ERR(psnet->bars[i])) { + SNET_ERR(pdev, "Failed to request and map PCI BARs\n"); + return PTR_ERR(psnet->bars[i]); + } } return 0; @@ -600,14 +589,12 @@ static int snet_open_vf_bar(struct pci_dev *pdev, struct snet *snet) if (!name) return -ENOMEM; /* Request and map BAR */ - ret = pcim_iomap_regions(pdev, BIT(snet->psnet->cfg.vf_bar), name); - if (ret) { + snet->bar = pcim_iomap_region(pdev, snet->psnet->cfg.vf_bar, name); + if (IS_ERR(snet->bar)) { SNET_ERR(pdev, "Failed to request and map PCI BAR for a VF\n"); - return ret; + return PTR_ERR(snet->bar); } - snet->bar = pcim_iomap_table(pdev)[snet->psnet->cfg.vf_bar]; - return 0; } @@ -655,15 +642,12 @@ static int psnet_detect_bar(struct psnet *psnet, u32 off) static void psnet_unmap_unused_bars(struct pci_dev *pdev, struct psnet *psnet) { - int i, mask = 0; + unsigned short i; for (i = 0; i < PCI_STD_NUM_BARS; i++) { if (psnet->bars[i] && i != psnet->barno) - mask |= (1 << i); + pcim_iounmap_region(pdev, i); } - - if (mask) - pcim_iounmap_regions(pdev, mask); } /* Read SNET config from PCI BAR */