From: Juergen Gross <jgross@suse.com> To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, netdev@vger.kernel.org, linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-integrity@vger.kernel.org, linux-pci@vger.kernel.org Cc: alsa-devel@alsa-project.org, "David Airlie" <airlied@linux.ie>, "Jaroslav Kysela" <perex@perex.cz>, "Eric Dumazet" <edumazet@google.com>, "Peter Huewe" <peterhuewe@gmx.de>, "Stefano Stabellini" <sstabellini@kernel.org>, "Oleksandr Andrushchenko" <oleksandr_andrushchenko@epam.com>, "Jason Gunthorpe" <jgg@ziepe.ca>, "Jakub Kicinski" <kuba@kernel.org>, "Paolo Abeni" <pabeni@redhat.com>, "Jens Axboe" <axboe@kernel.dk>, "James E.J. Bottomley" <jejb@linux.ibm.com>, "Bjorn Helgaas" <bhelgaas@google.com>, "Boris Ostrovsky" <boris.ostrovsky@oracle.com>, "Juergen Gross" <jgross@suse.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>, "Takashi Iwai" <tiwai@suse.com>, "Jarkko Sakkinen" <jarkko@kernel.org>, "David S. Miller" <davem@davemloft.net>, "Roger Pau Monné" <roger.pau@citrix.com> Subject: [PATCH v3 00/21] xen: simplify frontend side ring setup Date: Thu, 5 May 2022 10:16:19 +0200 [thread overview] Message-ID: <20220505081640.17425-1-jgross@suse.com> (raw) Many Xen PV frontends share similar code for setting up a ring page (allocating and granting access for the backend) and for tearing it down. Create new service functions doing all needed steps in one go. This requires all frontends to use a common value for an invalid grant reference in order to make the functions idempotent. Changes in V3: - new patches 1 and 2, comments addressed Changes in V2: - new patch 9 and related changes in patches 10-18 Juergen Gross (21): xen: update grant_table.h xen/grant-table: never put a reserved grant on the free list xen/blkfront: switch blkfront to use INVALID_GRANT_REF xen/netfront: switch netfront to use INVALID_GRANT_REF xen/scsifront: remove unused GRANT_INVALID_REF definition xen/usb: switch xen-hcd to use INVALID_GRANT_REF xen/drm: switch xen_drm_front to use INVALID_GRANT_REF xen/sound: switch xen_snd_front to use INVALID_GRANT_REF xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF xen/shbuf: switch xen-front-pgdir-shbuf to use INVALID_GRANT_REF xen: update ring.h xen/xenbus: add xenbus_setup_ring() service function xen/blkfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/netfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/drmfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/pcifront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/scsifront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/usbfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/sndfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/xenbus: eliminate xenbus_grant_ring() drivers/block/xen-blkfront.c | 57 +++---- drivers/char/tpm/xen-tpmfront.c | 18 +-- drivers/gpu/drm/xen/xen_drm_front.h | 9 -- drivers/gpu/drm/xen/xen_drm_front_evtchnl.c | 43 ++---- drivers/net/xen-netfront.c | 85 ++++------- drivers/pci/xen-pcifront.c | 19 +-- drivers/scsi/xen-scsifront.c | 31 +--- drivers/usb/host/xen-hcd.c | 65 ++------ drivers/xen/gntdev-dmabuf.c | 13 +- drivers/xen/grant-table.c | 12 +- drivers/xen/xen-front-pgdir-shbuf.c | 18 +-- drivers/xen/xenbus/xenbus_client.c | 82 +++++++--- include/xen/grant_table.h | 2 - include/xen/interface/grant_table.h | 161 ++++++++++++-------- include/xen/interface/io/ring.h | 19 ++- include/xen/xenbus.h | 4 +- sound/xen/xen_snd_front_evtchnl.c | 44 ++---- sound/xen/xen_snd_front_evtchnl.h | 9 -- 18 files changed, 287 insertions(+), 404 deletions(-) -- 2.35.3
WARNING: multiple messages have this Message-ID (diff)
From: Juergen Gross <jgross@suse.com> To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, netdev@vger.kernel.org, linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-integrity@vger.kernel.org, linux-pci@vger.kernel.org Cc: "Juergen Gross" <jgross@suse.com>, "Boris Ostrovsky" <boris.ostrovsky@oracle.com>, "Stefano Stabellini" <sstabellini@kernel.org>, "Roger Pau Monné" <roger.pau@citrix.com>, "Jens Axboe" <axboe@kernel.dk>, "David S. Miller" <davem@davemloft.net>, "Eric Dumazet" <edumazet@google.com>, "Jakub Kicinski" <kuba@kernel.org>, "Paolo Abeni" <pabeni@redhat.com>, "James E.J. Bottomley" <jejb@linux.ibm.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>, "Oleksandr Andrushchenko" <oleksandr_andrushchenko@epam.com>, "David Airlie" <airlied@linux.ie>, "Daniel Vetter" <daniel@ffwll.ch>, "Jaroslav Kysela" <perex@perex.cz>, "Takashi Iwai" <tiwai@suse.com>, alsa-devel@alsa-project.org, "Peter Huewe" <peterhuewe@gmx.de>, "Jarkko Sakkinen" <jarkko@kernel.org>, "Jason Gunthorpe" <jgg@ziepe.ca>, "Bjorn Helgaas" <bhelgaas@google.com> Subject: [PATCH v3 00/21] xen: simplify frontend side ring setup Date: Thu, 5 May 2022 10:16:19 +0200 [thread overview] Message-ID: <20220505081640.17425-1-jgross@suse.com> (raw) Many Xen PV frontends share similar code for setting up a ring page (allocating and granting access for the backend) and for tearing it down. Create new service functions doing all needed steps in one go. This requires all frontends to use a common value for an invalid grant reference in order to make the functions idempotent. Changes in V3: - new patches 1 and 2, comments addressed Changes in V2: - new patch 9 and related changes in patches 10-18 Juergen Gross (21): xen: update grant_table.h xen/grant-table: never put a reserved grant on the free list xen/blkfront: switch blkfront to use INVALID_GRANT_REF xen/netfront: switch netfront to use INVALID_GRANT_REF xen/scsifront: remove unused GRANT_INVALID_REF definition xen/usb: switch xen-hcd to use INVALID_GRANT_REF xen/drm: switch xen_drm_front to use INVALID_GRANT_REF xen/sound: switch xen_snd_front to use INVALID_GRANT_REF xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF xen/shbuf: switch xen-front-pgdir-shbuf to use INVALID_GRANT_REF xen: update ring.h xen/xenbus: add xenbus_setup_ring() service function xen/blkfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/netfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/drmfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/pcifront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/scsifront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/usbfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/sndfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/xenbus: eliminate xenbus_grant_ring() drivers/block/xen-blkfront.c | 57 +++---- drivers/char/tpm/xen-tpmfront.c | 18 +-- drivers/gpu/drm/xen/xen_drm_front.h | 9 -- drivers/gpu/drm/xen/xen_drm_front_evtchnl.c | 43 ++---- drivers/net/xen-netfront.c | 85 ++++------- drivers/pci/xen-pcifront.c | 19 +-- drivers/scsi/xen-scsifront.c | 31 +--- drivers/usb/host/xen-hcd.c | 65 ++------ drivers/xen/gntdev-dmabuf.c | 13 +- drivers/xen/grant-table.c | 12 +- drivers/xen/xen-front-pgdir-shbuf.c | 18 +-- drivers/xen/xenbus/xenbus_client.c | 82 +++++++--- include/xen/grant_table.h | 2 - include/xen/interface/grant_table.h | 161 ++++++++++++-------- include/xen/interface/io/ring.h | 19 ++- include/xen/xenbus.h | 4 +- sound/xen/xen_snd_front_evtchnl.c | 44 ++---- sound/xen/xen_snd_front_evtchnl.h | 9 -- 18 files changed, 287 insertions(+), 404 deletions(-) -- 2.35.3
next reply other threads:[~2022-05-05 8:16 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-05 8:16 Juergen Gross [this message] 2022-05-05 8:16 ` [PATCH v3 00/21] xen: simplify frontend side ring setup Juergen Gross 2022-05-05 8:16 ` [PATCH v3 01/21] xen: update grant_table.h Juergen Gross 2022-05-05 8:16 ` [PATCH v3 02/21] xen/grant-table: never put a reserved grant on the free list Juergen Gross 2022-05-05 8:16 ` [PATCH v3 03/21] xen/blkfront: switch blkfront to use INVALID_GRANT_REF Juergen Gross 2022-05-09 8:20 ` Roger Pau Monné 2022-05-05 8:16 ` [PATCH v3 04/21] xen/netfront: switch netfront " Juergen Gross 2022-05-05 8:16 ` [PATCH v3 05/21] xen/scsifront: remove unused GRANT_INVALID_REF definition Juergen Gross 2022-05-05 8:16 ` [PATCH v3 06/21] xen/usb: switch xen-hcd to use INVALID_GRANT_REF Juergen Gross 2022-05-05 8:16 ` [PATCH v3 07/21] xen/drm: switch xen_drm_front " Juergen Gross 2022-05-05 8:16 ` Juergen Gross 2022-05-05 8:16 ` [PATCH v3 08/21] xen/sound: switch xen_snd_front " Juergen Gross 2022-05-05 8:16 ` Juergen Gross 2022-05-05 8:16 ` [PATCH v3 09/21] xen/dmabuf: switch gntdev-dmabuf " Juergen Gross 2022-05-05 8:16 ` [PATCH v3 10/21] xen/shbuf: switch xen-front-pgdir-shbuf " Juergen Gross 2022-05-09 8:47 ` Oleksandr 2022-05-05 8:16 ` [PATCH v3 11/21] xen: update ring.h Juergen Gross 2022-05-05 8:16 ` [PATCH v3 12/21] xen/xenbus: add xenbus_setup_ring() service function Juergen Gross 2022-05-05 8:16 ` [PATCH v3 13/21] xen/blkfront: use xenbus_setup_ring() and xenbus_teardown_ring() Juergen Gross 2022-05-09 8:42 ` Roger Pau Monné 2022-05-05 8:16 ` [PATCH v3 14/21] xen/netfront: " Juergen Gross 2022-05-05 8:16 ` [PATCH v3 15/21] xen/tpmfront: " Juergen Gross 2022-05-06 22:32 ` Jarkko Sakkinen 2022-05-18 9:41 ` Juergen Gross 2022-05-18 14:57 ` Jarkko Sakkinen 2022-05-05 8:16 ` [PATCH v3 16/21] xen/drmfront: " Juergen Gross 2022-05-05 8:16 ` Juergen Gross 2022-05-05 8:16 ` [PATCH v3 17/21] xen/pcifront: " Juergen Gross 2022-05-05 8:16 ` [PATCH v3 18/21] xen/scsifront: " Juergen Gross 2022-05-05 8:16 ` [PATCH v3 19/21] xen/usbfront: " Juergen Gross 2022-05-05 8:16 ` [PATCH v3 20/21] xen/sndfront: " Juergen Gross 2022-05-05 8:16 ` Juergen Gross 2022-05-05 8:16 ` [PATCH v3 21/21] xen/xenbus: eliminate xenbus_grant_ring() Juergen Gross 2022-05-06 0:12 ` [PATCH v3 00/21] xen: simplify frontend side ring setup Boris Ostrovsky 2022-05-06 0:12 ` Boris Ostrovsky 2022-05-09 13:23 ` Oleksandr 2022-05-09 13:23 ` Oleksandr 2022-05-09 13:23 ` Oleksandr
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