From mboxrd@z Thu Jan 1 00:00:00 1970 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 757CE302CDC for ; Wed, 19 Nov 2025 22:19:21 +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=1763590763; cv=none; b=AU1Lo9gM7T98uXiYU5FhxjEeXIlLmYxv5FJHnHp+fYidQx7eeLSvvSJzvUzxDhZT8HSLee2huP/adyjOYWFrQiNMfbjmNTN9M9o/13sATE4gdQt6nHJHoLP+/Bc9xLDw0ZeJPV9PLdNuv+T2B87ThAPTXkutEv582vrDR2/dc6k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763590763; c=relaxed/simple; bh=72adYgtsLfbICwRUf51p19hvB2OaCp/Vs8bJEvAgYio=; h=From:Date:Subject:MIME-Version:Message-Id:References:In-Reply-To: To:Cc:Content-Type; b=ntVi+pCZoOYMyp0C3Aq9Tpqax9CO2MoXqJ9Yx+MQiSJJbAF7WaydwUoKurbOLBg4Miba7FqjsoW96kUlxwgzLuQe/s79kfuchVO3tLzQ5qjFQ0CBueRtkh74ZOKNgVK1S96zhY66S9bk6HxCMb2VqgfWarCoGtkSfLNngJw4bo8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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=dtelLWxE; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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="dtelLWxE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1763590760; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LT0/HQ7KAbR9mGXfO5hTKJsXPBMjCx5esqT8LbWmcms=; b=dtelLWxEZ/K5Hl9zMKc+7mG41QcM3TDpulrAEcf4QXLXL7xZlKiFx4kd+e2sVIBaZxvySl ufqYBa2WObWqHRUj2uIQimKKEXmw4msov7NZEsvBVS+rQCNYHv1PlxsU+L4MvUkuWkPqLQ lNDNG6KB54l6SnrMigkco+j92S2VPj4= Received: from mail-qv1-f69.google.com (mail-qv1-f69.google.com [209.85.219.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-477-t-sZB1rkN6u23mZIkETGlg-1; Wed, 19 Nov 2025 17:19:19 -0500 X-MC-Unique: t-sZB1rkN6u23mZIkETGlg-1 X-Mimecast-MFC-AGG-ID: t-sZB1rkN6u23mZIkETGlg_1763590759 Received: by mail-qv1-f69.google.com with SMTP id 6a1803df08f44-88236279bd9so6842816d6.3 for ; Wed, 19 Nov 2025 14:19:19 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763590759; x=1764195559; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=LT0/HQ7KAbR9mGXfO5hTKJsXPBMjCx5esqT8LbWmcms=; b=jtwynZytQ1rjaDGhvsmM5BvegFlUUs+MRbv9TDTIi3Sd57ynp7wEDNxvYGsfd/ARbq lojTIh3WOgQXy3m1UJ04XABy1e+SY1mpHrqjwg4k7gPgdgyX92MrZoacU6E8XTAd2Jr9 +gT5vYNzJRP2F+PQijdCgJoH/putlaD8gYdCPP3418AcUAxpizMbI9QueP5mmg6ofZD4 gGs3VnYgqz9UuLN3JPEVhDnJ8Wl9wNgVxP0LKBFFfCnAbAR58s5AQqLEBEe0jgZUf985 pi7FFdcuGk492Bn0FmMiFsLdIY4A28ufpddatJMpkJ5itVYY8xq+2zaSXLy5fM0yDP/W U8xQ== X-Forwarded-Encrypted: i=1; AJvYcCVAiPeAX6g9IIHK+y59vAG7p11yivaaR71nZ9T6GvMrtuEsQmEbGt+JE14I18aWLDIOK0yfwF3UWQiwLAvBaw==@vger.kernel.org X-Gm-Message-State: AOJu0Yz+KStvTZht/6xbXwhyZt3H6gnWFRqwFc+dI+1UqaXnxWZqr9+C lvk0q84JKWSgogYWGay/XvvVx0wt+ZCMzTiiYSZXeNPf4LV3fh2B3YD9OGShkh/4dX9syg2EEy/ kRDE2DKwqZv4Ge+poweUukjnisu216KI5GOIHIK0349pz4h7kYckaQBLi9OEwVtN4lIvi X-Gm-Gg: ASbGncvNNlNKNQ01x046rT2xpWUHedTm97k/rmlpix25ys2KuIJoVKb+sSfG3EMRvhu t5zxBXvc6qZQTG/mTaUYuYV4Iqgb+BuLnZGtGjes3FaAt9NyTYSxCStoMykX0mMgDbf7XwspB7m 5rAVYtzqJhWIGm5zWBvUs3IcDCyhrsCXwoUOFkK5cilIF2alDzDOZRELKAsO9tMQtDDkgIWN5mN UG4eEaTNrk7jdrEPObNZN/9Ee8PN4tXwAIRgB2HO/zjIYe1PV3xuLTMyIphx1Lbo4BR53doloSK pOUFSKTHhcQUQljz9/zEPo2BYd2cdYaX4KCf97KVIIjiC8c0JjO60oIe4uIAKjg4mWIFwRfKnwL K6AeEJb9bb1zC2w== X-Received: by 2002:a05:6214:c25:b0:882:4be6:9ad2 with SMTP id 6a1803df08f44-8847013f7c7mr2682466d6.33.1763590758951; Wed, 19 Nov 2025 14:19:18 -0800 (PST) X-Google-Smtp-Source: AGHT+IGeuLwFeoT9/1jmiPiEb5rUv7hwbM9DKqLBAekr9VTFnVBnyYQBFN13GwWwKi9JFRBVUiJJoA== X-Received: by 2002:a05:6214:c25:b0:882:4be6:9ad2 with SMTP id 6a1803df08f44-8847013f7c7mr2681876d6.33.1763590758460; Wed, 19 Nov 2025 14:19:18 -0800 (PST) Received: from [172.16.1.8] ([2607:f2c0:b141:ac00:ca1:dc8c:d6d0:7e87]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8846e447304sm4426866d6.4.2025.11.19.14.19.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Nov 2025 14:19:18 -0800 (PST) From: Peter Colberg Date: Wed, 19 Nov 2025 17:19:06 -0500 Subject: [PATCH 2/8] rust: pci: add is_physfn(), to check for PFs Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20251119-rust-pci-sriov-v1-2-883a94599a97@redhat.com> References: <20251119-rust-pci-sriov-v1-0-883a94599a97@redhat.com> In-Reply-To: <20251119-rust-pci-sriov-v1-0-883a94599a97@redhat.com> To: Danilo Krummrich , Bjorn Helgaas , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Abdiel Janulgue , Daniel Almeida , Robin Murphy , Greg Kroah-Hartman , Dave Ertman , Ira Weiny , Leon Romanovsky Cc: linux-pci@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandre Courbot , Alistair Popple , Joel Fernandes , John Hubbard , Zhi Wang , Peter Colberg , Jason Gunthorpe X-Mailer: b4 0.14.2 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: -oIKSGzAXo_iroErDrrWAvq6B_btNVT81AW9clKYo6c_1763590759 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Add a method to check if a PCI device is a Physical Function (PF). Signed-off-by: Peter Colberg --- rust/kernel/pci.rs | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs index c20b8daeb7aadbef9f6ecfc48c972436efac9a08..814990d386708fe2ac652ccaa674c10a6cf390cb 100644 --- a/rust/kernel/pci.rs +++ b/rust/kernel/pci.rs @@ -409,6 +409,12 @@ pub fn resource_start(&self, bar: u32) -> Result { Ok(unsafe { bindings::pci_resource_start(self.as_raw(), bar.try_into()?) }) } + /// Returns `true` if this device is a Physical Function (VF). + pub fn is_physfn(&self) -> bool { + // SAFETY: `self.as_raw` is a valid pointer to a `struct pci_dev`. + unsafe { (*self.as_raw()).is_physfn() != 0 } + } + /// Returns `true` if this device is a Virtual Function (VF). pub fn is_virtfn(&self) -> bool { // SAFETY: `self.as_raw` is a valid pointer to a `struct pci_dev`. -- 2.51.1