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[68.147.8.254]) by smtp.gmail.com with ESMTPSA id c9sm12807953pfn.78.2020.09.21.17.10.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Sep 2020 17:10:07 -0700 (PDT) From: Mathieu Poirier To: ohad@wizery.com, bjorn.andersson@linaro.org, guennadi.liakhovetski@linux.intel.com Cc: loic.pallardy@st.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 05/10] rpmsg: virtio: Move virtio RPMSG structures to private header Date: Mon, 21 Sep 2020 18:09:55 -0600 Message-Id: <20200922001000.899956-6-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200922001000.899956-1-mathieu.poirier@linaro.org> References: <20200922001000.899956-1-mathieu.poirier@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Move structure virtiproc_info and virtio_rpmsg_channel to rpmsg_internal.h so that they can be used by rpmsg_ns.c Signed-off-by: Mathieu Poirier --- drivers/rpmsg/rpmsg_internal.h | 62 ++++++++++++++++++++++++++++++++ drivers/rpmsg/virtio_rpmsg_bus.c | 57 ----------------------------- 2 files changed, 62 insertions(+), 57 deletions(-) diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h index 587f723757d4..3ea9cec26fc0 100644 --- a/drivers/rpmsg/rpmsg_internal.h +++ b/drivers/rpmsg/rpmsg_internal.h @@ -12,12 +12,74 @@ #ifndef __RPMSG_INTERNAL_H__ #define __RPMSG_INTERNAL_H__ +#include +#include #include +#include +#include +#include #include #define to_rpmsg_device(d) container_of(d, struct rpmsg_device, dev) #define to_rpmsg_driver(d) container_of(d, struct rpmsg_driver, drv) +/** + * struct virtproc_info - virtual remote processor state + * @vdev: the virtio device + * @rvq: rx virtqueue + * @svq: tx virtqueue + * @rbufs: kernel address of rx buffers + * @sbufs: kernel address of tx buffers + * @num_bufs: total number of buffers for rx and tx + * @buf_size: size of one rx or tx buffer + * @last_sbuf: index of last tx buffer used + * @bufs_dma: dma base addr of the buffers + * @tx_lock: protects svq, sbufs and sleepers, to allow concurrent senders. + * sending a message might require waking up a dozing remote + * processor, which involves sleeping, hence the mutex. + * @endpoints: idr of local endpoints, allows fast retrieval + * @endpoints_lock: lock of the endpoints set + * @sendq: wait queue of sending contexts waiting for a tx buffers + * @sleepers: number of senders that are waiting for a tx buffer + * @ns_ept: the bus's name service endpoint + * + * This structure stores the rpmsg state of a given virtio remote processor + * device (there might be several virtio proc devices for each physical + * remote processor). + */ +struct virtproc_info { + struct virtio_device *vdev; + struct virtqueue *rvq, *svq; + void *rbufs, *sbufs; + unsigned int num_bufs; + unsigned int buf_size; + int last_sbuf; + dma_addr_t bufs_dma; + struct mutex tx_lock; + struct idr endpoints; + struct mutex endpoints_lock; + wait_queue_head_t sendq; + atomic_t sleepers; + struct rpmsg_endpoint *ns_ept; +}; + +/** + * struct virtio_rpmsg_channel - rpmsg channel descriptor + * @rpdev: the rpmsg channel device + * @vrp: the virtio remote processor device this channel belongs to + * + * This structure stores the channel that links the rpmsg device to the virtio + * remote processor device. + */ +struct virtio_rpmsg_channel { + struct rpmsg_device rpdev; + + struct virtproc_info *vrp; +}; + +#define to_virtio_rpmsg_channel(_rpdev) \ + container_of(_rpdev, struct virtio_rpmsg_channel, rpdev) + /** * struct rpmsg_device_ops - indirection table for the rpmsg_device operations * @create_channel: create backend-specific channel, optional diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c index eaf3b2c012c8..0635d86d490f 100644 --- a/drivers/rpmsg/virtio_rpmsg_bus.c +++ b/drivers/rpmsg/virtio_rpmsg_bus.c @@ -32,63 +32,6 @@ #include "rpmsg_internal.h" -/** - * struct virtproc_info - virtual remote processor state - * @vdev: the virtio device - * @rvq: rx virtqueue - * @svq: tx virtqueue - * @rbufs: kernel address of rx buffers - * @sbufs: kernel address of tx buffers - * @num_bufs: total number of buffers for rx and tx - * @buf_size: size of one rx or tx buffer - * @last_sbuf: index of last tx buffer used - * @bufs_dma: dma base addr of the buffers - * @tx_lock: protects svq, sbufs and sleepers, to allow concurrent senders. - * sending a message might require waking up a dozing remote - * processor, which involves sleeping, hence the mutex. - * @endpoints: idr of local endpoints, allows fast retrieval - * @endpoints_lock: lock of the endpoints set - * @sendq: wait queue of sending contexts waiting for a tx buffers - * @sleepers: number of senders that are waiting for a tx buffer - * @ns_ept: the bus's name service endpoint - * - * This structure stores the rpmsg state of a given virtio remote processor - * device (there might be several virtio proc devices for each physical - * remote processor). - */ -struct virtproc_info { - struct virtio_device *vdev; - struct virtqueue *rvq, *svq; - void *rbufs, *sbufs; - unsigned int num_bufs; - unsigned int buf_size; - int last_sbuf; - dma_addr_t bufs_dma; - struct mutex tx_lock; - struct idr endpoints; - struct mutex endpoints_lock; - wait_queue_head_t sendq; - atomic_t sleepers; - struct rpmsg_endpoint *ns_ept; -}; - -/** - * struct virtio_rpmsg_channel - rpmsg channel descriptor - * @rpdev: the rpmsg channel device - * @vrp: the virtio remote processor device this channel belongs to - * - * This structure stores the channel that links the rpmsg device to the virtio - * remote processor device. - */ -struct virtio_rpmsg_channel { - struct rpmsg_device rpdev; - - struct virtproc_info *vrp; -}; - -#define to_virtio_rpmsg_channel(_rpdev) \ - container_of(_rpdev, struct virtio_rpmsg_channel, rpdev) - /* * Local addresses are dynamically allocated on-demand. * We do not dynamically assign addresses from the low 1024 range, -- 2.25.1