From patchwork Sat Jun 8 13:21:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 10983687 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B587714B6 for ; Sun, 9 Jun 2019 13:38:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A508228739 for ; Sun, 9 Jun 2019 13:38:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 992C4289AB; Sun, 9 Jun 2019 13:38:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.6 required=2.0 tests=BAYES_00,DATE_IN_PAST_24_48, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0113528739 for ; Sun, 9 Jun 2019 13:38:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728838AbfFINiA (ORCPT ); Sun, 9 Jun 2019 09:38:00 -0400 Received: from mga03.intel.com ([134.134.136.65]:25056 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728809AbfFINiA (ORCPT ); Sun, 9 Jun 2019 09:38:00 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Jun 2019 06:37:59 -0700 X-ExtLoop1: 1 Received: from yiliu-dev.bj.intel.com ([10.238.156.125]) by fmsmga007.fm.intel.com with ESMTP; 09 Jun 2019 06:37:57 -0700 From: Liu Yi L To: alex.williamson@redhat.com, kwankhede@nvidia.com Cc: kevin.tian@intel.com, baolu.lu@linux.intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, joro@8bytes.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: [PATCH v1 4/9] vfio_pci: make common functions be extern Date: Sat, 8 Jun 2019 21:21:06 +0800 Message-Id: <1560000071-3543-5-git-send-email-yi.l.liu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1560000071-3543-1-git-send-email-yi.l.liu@intel.com> References: <1560000071-3543-1-git-send-email-yi.l.liu@intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch makes the common functions (module agnostic functions) in vfio_pci.c to extern. So that such functions could be moved to a common source file. *) vfio_pci_set_vga_decode *) vfio_pci_enable *) vfio_pci_disable *) vfio_pci_ioctl *) vfio_pci_read *) vfio_pci_write *) vfio_pci_mmap *) vfio_pci_request *) vfio_pci_fill_ids *) vfio_pci_reflck_attach *) vfio_pci_reflck_put *) vfio_pci_probe_power_state Cc: Kevin Tian Cc: Lu Baolu Signed-off-by: Liu Yi L --- drivers/vfio/pci/vfio_pci.c | 30 +++++++++++++----------------- drivers/vfio/pci/vfio_pci_private.h | 15 +++++++++++++++ 2 files changed, 28 insertions(+), 17 deletions(-) diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index af28e4c..4da653e 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -65,7 +65,7 @@ MODULE_PARM_DESC(disable_idle_d3, * has no way to get to it and routing can be disabled externally at the * bridge. */ -static unsigned int vfio_pci_set_vga_decode(void *opaque, bool single_vga) +unsigned int vfio_pci_set_vga_decode(void *opaque, bool single_vga) { struct vfio_pci_device *vdev = opaque; struct pci_dev *tmp = NULL, *pdev = vdev->pdev; @@ -166,7 +166,6 @@ static void vfio_pci_probe_mmaps(struct vfio_pci_device *vdev) } static void vfio_pci_try_bus_reset(struct vfio_pci_device *vdev); -static void vfio_pci_disable(struct vfio_pci_device *vdev); /* * INTx masking requires the ability to disable INTx signaling via PCI_COMMAND @@ -197,7 +196,7 @@ static bool vfio_pci_nointx(struct pci_dev *pdev) return false; } -static void vfio_pci_probe_power_state(struct vfio_pci_device *vdev) +void vfio_pci_probe_power_state(struct vfio_pci_device *vdev) { struct pci_dev *pdev = vdev->pdev; u16 pmcsr; @@ -248,7 +247,7 @@ int vfio_pci_set_power_state(struct vfio_pci_device *vdev, pci_power_t state) return ret; } -static int vfio_pci_enable(struct vfio_pci_device *vdev) +int vfio_pci_enable(struct vfio_pci_device *vdev) { struct pci_dev *pdev = vdev->pdev; int ret; @@ -355,7 +354,7 @@ static int vfio_pci_enable(struct vfio_pci_device *vdev) return ret; } -static void vfio_pci_disable(struct vfio_pci_device *vdev) +void vfio_pci_disable(struct vfio_pci_device *vdev) { struct pci_dev *pdev = vdev->pdev; struct vfio_pci_dummy_resource *dummy_res, *tmp; @@ -669,8 +668,8 @@ int vfio_pci_register_dev_region(struct vfio_pci_device *vdev, return 0; } -static long vfio_pci_ioctl(void *device_data, - unsigned int cmd, unsigned long arg) +long vfio_pci_ioctl(void *device_data, + unsigned int cmd, unsigned long arg) { struct vfio_pci_device *vdev = device_data; unsigned long minsz; @@ -1155,7 +1154,7 @@ static ssize_t vfio_pci_rw(void *device_data, char __user *buf, return -EINVAL; } -static ssize_t vfio_pci_read(void *device_data, char __user *buf, +ssize_t vfio_pci_read(void *device_data, char __user *buf, size_t count, loff_t *ppos) { if (!count) @@ -1164,7 +1163,7 @@ static ssize_t vfio_pci_read(void *device_data, char __user *buf, return vfio_pci_rw(device_data, buf, count, ppos, false); } -static ssize_t vfio_pci_write(void *device_data, const char __user *buf, +ssize_t vfio_pci_write(void *device_data, const char __user *buf, size_t count, loff_t *ppos) { if (!count) @@ -1173,7 +1172,7 @@ static ssize_t vfio_pci_write(void *device_data, const char __user *buf, return vfio_pci_rw(device_data, (char __user *)buf, count, ppos, true); } -static int vfio_pci_mmap(void *device_data, struct vm_area_struct *vma) +int vfio_pci_mmap(void *device_data, struct vm_area_struct *vma) { struct vfio_pci_device *vdev = device_data; struct pci_dev *pdev = vdev->pdev; @@ -1235,7 +1234,7 @@ static int vfio_pci_mmap(void *device_data, struct vm_area_struct *vma) req_len, vma->vm_page_prot); } -static void vfio_pci_request(void *device_data, unsigned int count) +void vfio_pci_request(void *device_data, unsigned int count) { struct vfio_pci_device *vdev = device_data; struct pci_dev *pdev = vdev->pdev; @@ -1267,9 +1266,6 @@ static const struct vfio_device_ops vfio_pci_ops = { .request = vfio_pci_request, }; -static int vfio_pci_reflck_attach(struct vfio_pci_device *vdev); -static void vfio_pci_reflck_put(struct vfio_pci_reflck *reflck); - static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct vfio_pci_device *vdev; @@ -1472,7 +1468,7 @@ static int vfio_pci_reflck_find(struct pci_dev *pdev, void *data) return 0; } -static int vfio_pci_reflck_attach(struct vfio_pci_device *vdev) +int vfio_pci_reflck_attach(struct vfio_pci_device *vdev) { bool slot = !pci_probe_reset_slot(vdev->pdev->slot); @@ -1498,7 +1494,7 @@ static void vfio_pci_reflck_release(struct kref *kref) mutex_unlock(&reflck_lock); } -static void vfio_pci_reflck_put(struct vfio_pci_reflck *reflck) +void vfio_pci_reflck_put(struct vfio_pci_reflck *reflck) { kref_put_mutex(&reflck->kref, vfio_pci_reflck_release, &reflck_lock); } @@ -1622,7 +1618,7 @@ static void __exit vfio_pci_cleanup(void) vfio_pci_uninit_perm_bits(); } -static void __init vfio_pci_fill_ids(char *ids, struct pci_driver *driver) +void __init vfio_pci_fill_ids(char *ids, struct pci_driver *driver) { char *p, *id; int rc; diff --git a/drivers/vfio/pci/vfio_pci_private.h b/drivers/vfio/pci/vfio_pci_private.h index b53fe34..7b99881 100644 --- a/drivers/vfio/pci/vfio_pci_private.h +++ b/drivers/vfio/pci/vfio_pci_private.h @@ -185,6 +185,21 @@ extern int vfio_pci_register_dev_region(struct vfio_pci_device *vdev, extern int vfio_pci_set_power_state(struct vfio_pci_device *vdev, pci_power_t state); +extern unsigned int vfio_pci_set_vga_decode(void *opaque, bool single_vga); +extern int vfio_pci_enable(struct vfio_pci_device *vdev); +extern void vfio_pci_disable(struct vfio_pci_device *vdev); +extern long vfio_pci_ioctl(void *device_data, + unsigned int cmd, unsigned long arg); +extern ssize_t vfio_pci_read(void *device_data, char __user *buf, + size_t count, loff_t *ppos); +extern ssize_t vfio_pci_write(void *device_data, const char __user *buf, + size_t count, loff_t *ppos); +extern int vfio_pci_mmap(void *device_data, struct vm_area_struct *vma); +extern void vfio_pci_request(void *device_data, unsigned int count); +extern void vfio_pci_fill_ids(char *ids, struct pci_driver *driver); +extern int vfio_pci_reflck_attach(struct vfio_pci_device *vdev); +extern void vfio_pci_reflck_put(struct vfio_pci_reflck *reflck); +extern void vfio_pci_probe_power_state(struct vfio_pci_device *vdev); #ifdef CONFIG_VFIO_PCI_IGD extern int vfio_pci_igd_init(struct vfio_pci_device *vdev);