From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 06966314B83 for ; Fri, 19 Sep 2025 14:22:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758291770; cv=none; b=J3ULxn/Jd5BmlBGFp2SLXnJ6y3xcCjtCVCEfYPUjjJsHUmG8oaPAvYiCFNIYBRJDGqbdThu0lpFGG5iBZwOQMeb3o46iUZwkR3LouVKnWs4Ct/fUX8oF6JnubEW2lIwTWoPtM4VpadkYHMoxxG/Cc5IkBtC97ntrKiNjqOnS4jA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758291770; c=relaxed/simple; bh=t4xS4POzAfYHRG2QoOL9x3X0dblERfi5cM6g0JJy2iU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FCFA+EhfirVDUY66Tf8KJQ/1ShEYcGZne78uBoRzKSpIDjiks1jWpQsS2W6Z/63t/sB6otgUx1wLuL3E5KedN3QjQpihlWg/PYbXZDWhJb/kyvBHkLRiNb0m+1eD+z+Nu89R6wAy2skof4ZK5CdUAMwxDEv7KSgFXqKynNq5GPQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=I9GAkugs; arc=none smtp.client-ip=192.198.163.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="I9GAkugs" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758291769; x=1789827769; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=t4xS4POzAfYHRG2QoOL9x3X0dblERfi5cM6g0JJy2iU=; b=I9GAkugsJPp3iQ6eUtxWb6D70nysXkVEbkpzaJR4nkCHjOx8If0FE/AS O4sRgSIKfnF4u9LT4opDKt53UCqGjxI0rj37itxLcJMpde1uzNX+rL26x DGT5D6W/yGjeoKuihzrA2mgIUTbHwlXJbd0rCEIK04Hw169OODeRhTIZx 7nt50Q7sYZICDG5ZxN3EYI0rYF73Fb5ZGDxcaIdTV56JBObnv/T1PFbSO zQjUFZX5ff5vsLFg46ZL82FKGUvGYobkenyZNSotUXqK9rb72QofhXrBT ZFl+kCFrRaqpo+PBbEw5cJYvCScsggmkduwa76olc3lrrmA1U0zsLG0x1 Q==; X-CSE-ConnectionGUID: Y4R0Ha09RNOUVMj0xXgZZg== X-CSE-MsgGUID: JxLQRoBmQjq/u7lfFL17rA== X-IronPort-AV: E=McAfee;i="6800,10657,11557"; a="60750577" X-IronPort-AV: E=Sophos;i="6.18,278,1751266800"; d="scan'208";a="60750577" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2025 07:22:41 -0700 X-CSE-ConnectionGUID: McjDPyQ/Rhe+OK27oqfhwQ== X-CSE-MsgGUID: jjisDF6TQrKFCkLHVwbNyw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,278,1751266800"; d="scan'208";a="176655062" Received: from dwillia2-desk.jf.intel.com ([10.88.27.145]) by fmviesa010.fm.intel.com with ESMTP; 19 Sep 2025 07:22:41 -0700 From: Dan Williams To: linux-coco@lists.linux.dev, linux-pci@vger.kernel.org Cc: xin@zytor.com, chao.gao@intel.com, Xu Yilun Subject: [RFC PATCH 23/27] PCI: iov: Export pci_iov_virtfn_bus() Date: Fri, 19 Sep 2025 07:22:32 -0700 Message-ID: <20250919142237.418648-24-dan.j.williams@intel.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250919142237.418648-1-dan.j.williams@intel.com> References: <20250919142237.418648-1-dan.j.williams@intel.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Xu Yilun Export pci_iov_virtfn_bus() for tdx-host module. Use it find all PCIe VF devices associate to a PF0, then calculate the address ranges for IDE Address Association Registers. Signed-off-by: Xu Yilun [djbw: todo: drop this export and teach drivers/pci/ide.c to do this] Signed-off-by: Dan Williams --- drivers/pci/iov.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index ac4375954c94..d1bd3419e606 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -28,6 +28,7 @@ int pci_iov_virtfn_bus(struct pci_dev *dev, int vf_id) return dev->bus->number + ((dev->devfn + dev->sriov->offset + dev->sriov->stride * vf_id) >> 8); } +EXPORT_SYMBOL_GPL(pci_iov_virtfn_bus); int pci_iov_virtfn_devfn(struct pci_dev *dev, int vf_id) { -- 2.51.0