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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1745570886; 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=BWX9TpPpPcwU2SDAsZBVZrpVJxO44kGgrgcQiQERT58=; b=AY4YORCjj75bxmcJVVWsxFYfiLXakVSwU40R6iiw5S9rf/8Ls8Q17aH5UBNMS8PyZHTozP BBYFPll2TqxOVF/h188F2p/3g4fV5Ne1nBsVZl5Ef6HRawpjFWXJhkExJ/hrOsJh4bVVW8 LcWR9havffgzbzD1iFuXjJOchnArqg0= X-MC-Unique: 3hAdNj10O_yrOW36LbmXRg-1 X-Mimecast-MFC-AGG-ID: 3hAdNj10O_yrOW36LbmXRg_1745570880 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , John Levon , Zhenzhong Duan Subject: [PULL 20/50] vfio: Introduce a new header file for helper services Date: Fri, 25 Apr 2025 10:46:13 +0200 Message-ID: <20250425084644.102196-21-clg@redhat.com> In-Reply-To: <20250425084644.102196-1-clg@redhat.com> References: <20250425084644.102196-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.84, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1745571244976019000 Gather all helper routine declarations into "vfio-helpers.h" to reduce exposure of VFIO internals in "hw/vfio/vfio-common.h". Reviewed-by: John Levon Link: https://lore.kernel.org/qemu-devel/20250318095415.670319-16-clg@redha= t.com Reviewed-by: Zhenzhong Duan Link: https://lore.kernel.org/qemu-devel/20250326075122.1299361-17-clg@redh= at.com Signed-off-by: C=C3=A9dric Le Goater --- hw/vfio/vfio-helpers.h | 26 ++++++++++++++++++++++++++ include/hw/vfio/vfio-common.h | 7 ------- hw/s390x/s390-pci-vfio.c | 1 + hw/vfio/common.c | 1 + hw/vfio/container.c | 1 + hw/vfio/helpers.c | 1 + hw/vfio/pci.c | 1 + hw/vfio/region.c | 1 + 8 files changed, 32 insertions(+), 7 deletions(-) create mode 100644 hw/vfio/vfio-helpers.h diff --git a/hw/vfio/vfio-helpers.h b/hw/vfio/vfio-helpers.h new file mode 100644 index 0000000000000000000000000000000000000000..d7e4dcba512a2a842c4a9d75e2d= 834bdf97c8f31 --- /dev/null +++ b/hw/vfio/vfio-helpers.h @@ -0,0 +1,26 @@ +/* + * VFIO helpers + * + * Copyright Red Hat, Inc. 2025 + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef HW_VFIO_VFIO_HELPERS_H +#define HW_VFIO_VFIO_HELPERS_H + +#ifdef CONFIG_LINUX +#include + +struct vfio_info_cap_header * +vfio_get_cap(void *ptr, uint32_t cap_offset, uint16_t id); +struct vfio_info_cap_header * +vfio_get_device_info_cap(struct vfio_device_info *info, uint16_t id); +struct vfio_info_cap_header * +vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id); + +#endif + +int vfio_bitmap_alloc(VFIOBitmap *vbmap, hwaddr size); + +#endif /* HW_VFIO_VFIO_HELPERS_H */ diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index bb11b8215a889500bdf019166cfd2622431432a4..8e465111d26ff612148fcd1af9a= 39a4e4de5184e 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -147,17 +147,10 @@ int vfio_get_region_info(VFIODevice *vbasedev, int in= dex, int vfio_get_dev_region_info(VFIODevice *vbasedev, uint32_t type, uint32_t subtype, struct vfio_region_info **i= nfo); bool vfio_has_region_cap(VFIODevice *vbasedev, int region, uint16_t cap_ty= pe); -struct vfio_info_cap_header * -vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id); bool vfio_get_info_dma_avail(struct vfio_iommu_type1_info *info, unsigned int *avail); -struct vfio_info_cap_header * -vfio_get_device_info_cap(struct vfio_device_info *info, uint16_t id); -struct vfio_info_cap_header * -vfio_get_cap(void *ptr, uint32_t cap_offset, uint16_t id); #endif =20 -int vfio_bitmap_alloc(VFIOBitmap *vbmap, hwaddr size); bool vfio_devices_all_dirty_tracking_started( const VFIOContainerBase *bcontainer); bool diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c index 748a51fd8cc478604340b7c812e0da356836b807..aaf91319b4e3cfacf3ca3a91e71= d9d6d2fbda13f 100644 --- a/hw/s390x/s390-pci-vfio.c +++ b/hw/s390x/s390-pci-vfio.c @@ -21,6 +21,7 @@ #include "hw/s390x/s390-pci-vfio.h" #include "hw/vfio/pci.h" #include "hw/vfio/vfio-container.h" +#include "hw/vfio/vfio-helpers.h" =20 /* * Get the current DMA available count from vfio. Returns true if vfio is diff --git a/hw/vfio/common.c b/hw/vfio/common.c index c099d4d24d044263ca3570ec9cfbd5ca4bcd1e23..18e5aacbd1b5e8033221df99999= 739cd58c883b0 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -44,6 +44,7 @@ #include "system/tcg.h" #include "system/tpm.h" #include "vfio-migration-internal.h" +#include "vfio-helpers.h" =20 VFIODeviceList vfio_device_list =3D QLIST_HEAD_INITIALIZER(vfio_device_list); diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 6ef53ee187052002be0bd20af8f05b41cc2424b3..b2d72f5036c5182e4b2d48b8cf5= 7260d906e0bb5 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -33,6 +33,7 @@ #include "qapi/error.h" #include "pci.h" #include "hw/vfio/vfio-container.h" +#include "vfio-helpers.h" =20 #define TYPE_HOST_IOMMU_DEVICE_LEGACY_VFIO TYPE_HOST_IOMMU_DEVICE "-legacy= -vfio" =20 diff --git a/hw/vfio/helpers.c b/hw/vfio/helpers.c index 89403943a7a219e491b6812d50b27b7f1fd7b4a4..054ee6e31ebd080cc10516b9fc5= a0373725b63d8 100644 --- a/hw/vfio/helpers.c +++ b/hw/vfio/helpers.c @@ -30,6 +30,7 @@ #include "qemu/error-report.h" #include "qemu/units.h" #include "monitor/monitor.h" +#include "vfio-helpers.h" =20 /* * Common VFIO interrupt disable diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index b0aac2f3a0b93ad3af6d8b71c6dc0f9d390ea475..bade3b80d7d98125cf84e13f0d3= 4009b6c46992e 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -45,6 +45,7 @@ #include "migration/qemu-file.h" #include "system/iommufd.h" #include "vfio-migration-internal.h" +#include "vfio-helpers.h" =20 #define TYPE_VFIO_PCI_NOHOTPLUG "vfio-pci-nohotplug" =20 diff --git a/hw/vfio/region.c b/hw/vfio/region.c index 08cd69e7047ab950151832864a14af7af774ff3b..9049143abffa28bed333d110d1e= 01d68ad7f83be 100644 --- a/hw/vfio/region.c +++ b/hw/vfio/region.c @@ -29,6 +29,7 @@ #include "qemu/error-report.h" #include "qemu/units.h" #include "monitor/monitor.h" +#include "vfio-helpers.h" =20 /* * IO Port/MMIO - Beware of the endians, VFIO is always little endian --=20 2.49.0