search for: io_lock

Displaying 20 results from an estimated 26 matches for "io_lock".

2011 Nov 11
1
[RFC] kvm tools: Implement multiple VQ for virtio-net
...virtio_net_config config; u32 features; - pthread_t io_rx_thread; - pthread_mutex_t io_rx_lock; - pthread_cond_t io_rx_cond; - - pthread_t io_tx_thread; - pthread_mutex_t io_tx_lock; - pthread_cond_t io_tx_cond; + pthread_t io_thread[VIRTIO_NET_NUM_QUEUES]; + pthread_mutex_t io_lock[VIRTIO_NET_NUM_QUEUES]; + pthread_cond_t io_cond[VIRTIO_NET_NUM_QUEUES]; + int rx_vq_num; + int tx_vq_num; + int vq_num; int tap_fd; char tap_name[IFNAMSIZ]; @@ -78,17 +76,22 @@ static void *virtio_net_rx_thread(void *p) struct net_dev *ndev = p; u16 out, in; u16 head...
2011 Nov 11
1
[RFC] kvm tools: Implement multiple VQ for virtio-net
...virtio_net_config config; u32 features; - pthread_t io_rx_thread; - pthread_mutex_t io_rx_lock; - pthread_cond_t io_rx_cond; - - pthread_t io_tx_thread; - pthread_mutex_t io_tx_lock; - pthread_cond_t io_tx_cond; + pthread_t io_thread[VIRTIO_NET_NUM_QUEUES]; + pthread_mutex_t io_lock[VIRTIO_NET_NUM_QUEUES]; + pthread_cond_t io_cond[VIRTIO_NET_NUM_QUEUES]; + int rx_vq_num; + int tx_vq_num; + int vq_num; int tap_fd; char tap_name[IFNAMSIZ]; @@ -78,17 +76,22 @@ static void *virtio_net_rx_thread(void *p) struct net_dev *ndev = p; u16 out, in; u16 head...
2018 Sep 26
4
[PULL 0/2] virtio-ccw fixes
The following changes since commit 8c0f9f5b309d627182d5da72a69246f58bde1026: Revert "uapi/linux/keyctl.h: don't use C++ reserved keyword as a struct member name" (2018-09-25 13:28:58 +0200) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git tags/virtio-ccw-20180926 for you to fetch changes up to
2012 Sep 21
3
tws bug ? (LSI SAS 9750)
...vice driver for SAS/SATA storage controllers, version: 10.80.00.003 tws0: <LSI 3ware SAS/SATA Storage Controller> port 0x4000-0x40ff mem 0xc2460000-0xc2463fff,0xc2400000-0xc243ffff irq 17 at device 0.0 on pci2 tws0: Using legacy INTx panic: _mtx_lock_sleep: recursed on non-recursive mutex tws_io_lock @ /usr/HEAD/src/sys/dev/tws/tws_hdm.c:287 cpuid = 0 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a kdb_backtrace() at kdb_backtrace+0x37 panic() at panic+0x1d8 _mtx_lock_sleep() at _mtx_lock_sleep+0x27f _mtx_lock_flags() at _mtx_lock_flags+0xf1 tws_submit_command() at...
2012 Sep 19
27
[PATCH] Persistent grant maps for xen blk drivers
...r, unsigned int *offset) @@ -707,6 +780,8 @@ static void blkif_restart_queue(struct work_struct *work) static void blkif_free(struct blkfront_info *info, int suspend) { + struct gnt_list *pers_gnt; + /* Prevent new requests being issued until we fix things up. */ spin_lock_irq(&info->io_lock); info->connected = suspend ? @@ -714,6 +789,15 @@ static void blkif_free(struct blkfront_info *info, int suspend) /* No more blkif_request(). */ if (info->rq) blk_stop_queue(info->rq); + + /* Remove all persistent grants */ + while (info->persistent_grants_front) { + pers_gnt...
2019 May 08
2
[PATCH 09/10] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...+}; > + > struct virtio_ccw_device { > struct virtio_device vdev; > - __u8 *status; > __u8 config[VIRTIO_CCW_CONFIG_SIZE]; > struct ccw_device *cdev; > __u32 curr_io; > @@ -58,24 +64,22 @@ struct virtio_ccw_device { > spinlock_t lock; > struct mutex io_lock; /* Serializes I/O requests */ > struct list_head virtqueues; > - unsigned long indicators; > - unsigned long indicators2; > - struct vq_config_block *config_block; > bool is_thinint; > bool going_away; > bool device_lost; > unsigned int config_ready; >...
2019 May 08
2
[PATCH 09/10] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...+}; > + > struct virtio_ccw_device { > struct virtio_device vdev; > - __u8 *status; > __u8 config[VIRTIO_CCW_CONFIG_SIZE]; > struct ccw_device *cdev; > __u32 curr_io; > @@ -58,24 +64,22 @@ struct virtio_ccw_device { > spinlock_t lock; > struct mutex io_lock; /* Serializes I/O requests */ > struct list_head virtqueues; > - unsigned long indicators; > - unsigned long indicators2; > - struct vq_config_block *config_block; > bool is_thinint; > bool going_away; > bool device_lost; > unsigned int config_ready; >...
2019 Apr 26
0
[PATCH 09/10] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...2; + struct vq_config_block config_block; + __u8 status; +}; + struct virtio_ccw_device { struct virtio_device vdev; - __u8 *status; __u8 config[VIRTIO_CCW_CONFIG_SIZE]; struct ccw_device *cdev; __u32 curr_io; @@ -58,24 +64,22 @@ struct virtio_ccw_device { spinlock_t lock; struct mutex io_lock; /* Serializes I/O requests */ struct list_head virtqueues; - unsigned long indicators; - unsigned long indicators2; - struct vq_config_block *config_block; bool is_thinint; bool going_away; bool device_lost; unsigned int config_ready; void *airq_info; + struct vcdev_dma_area *dma_area;...
2019 May 23
0
[PATCH v2 7/8] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...2; + struct vq_config_block config_block; + __u8 status; +}; + struct virtio_ccw_device { struct virtio_device vdev; - __u8 *status; __u8 config[VIRTIO_CCW_CONFIG_SIZE]; struct ccw_device *cdev; __u32 curr_io; @@ -58,24 +64,22 @@ struct virtio_ccw_device { spinlock_t lock; struct mutex io_lock; /* Serializes I/O requests */ struct list_head virtqueues; - unsigned long indicators; - unsigned long indicators2; - struct vq_config_block *config_block; bool is_thinint; bool going_away; bool device_lost; unsigned int config_ready; void *airq_info; + struct vcdev_dma_area *dma_area;...
2019 May 29
0
[PATCH v3 7/8] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...2; + struct vq_config_block config_block; + __u8 status; +}; + struct virtio_ccw_device { struct virtio_device vdev; - __u8 *status; __u8 config[VIRTIO_CCW_CONFIG_SIZE]; struct ccw_device *cdev; __u32 curr_io; @@ -58,24 +64,22 @@ struct virtio_ccw_device { spinlock_t lock; struct mutex io_lock; /* Serializes I/O requests */ struct list_head virtqueues; - unsigned long indicators; - unsigned long indicators2; - struct vq_config_block *config_block; bool is_thinint; bool going_away; bool device_lost; unsigned int config_ready; void *airq_info; + struct vcdev_dma_area *dma_area;...
2019 Jun 06
0
[PATCH v4 7/8] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...2; + struct vq_config_block config_block; + __u8 status; +}; + struct virtio_ccw_device { struct virtio_device vdev; - __u8 *status; __u8 config[VIRTIO_CCW_CONFIG_SIZE]; struct ccw_device *cdev; __u32 curr_io; @@ -58,24 +64,22 @@ struct virtio_ccw_device { spinlock_t lock; struct mutex io_lock; /* Serializes I/O requests */ struct list_head virtqueues; - unsigned long indicators; - unsigned long indicators2; - struct vq_config_block *config_block; bool is_thinint; bool going_away; bool device_lost; unsigned int config_ready; void *airq_info; + struct vcdev_dma_area *dma_area;...
2019 Jun 12
0
[PATCH v5 7/8] virtio/s390: use DMA memory for ccw I/O and classic notifiers
...2; + struct vq_config_block config_block; + __u8 status; +}; + struct virtio_ccw_device { struct virtio_device vdev; - __u8 *status; __u8 config[VIRTIO_CCW_CONFIG_SIZE]; struct ccw_device *cdev; __u32 curr_io; @@ -58,24 +64,22 @@ struct virtio_ccw_device { spinlock_t lock; struct mutex io_lock; /* Serializes I/O requests */ struct list_head virtqueues; - unsigned long indicators; - unsigned long indicators2; - struct vq_config_block *config_block; bool is_thinint; bool going_away; bool device_lost; unsigned int config_ready; void *airq_info; + struct vcdev_dma_area *dma_area;...
2015 Nov 18
2
[RFC] kvmtool: add support for modern virtio-pci
...+43,8 @@ struct net_dev { struct virt_queue vqs[VIRTIO_NET_NUM_QUEUES * 2 + 1]; struct virtio_net_config config; - u32 features, rx_vqs, tx_vqs, queue_pairs; + u64 features; + u32 rx_vqs, tx_vqs, queue_pairs; pthread_t io_thread[VIRTIO_NET_NUM_QUEUES * 2 + 1]; struct mutex io_lock[VIRTIO_NET_NUM_QUEUES * 2 + 1]; @@ -431,11 +432,10 @@ static u8 *get_config(struct kvm *kvm, void *dev) return ((u8 *)(&ndev->config)); } -static u32 get_host_features(struct kvm *kvm, void *dev) +static u32 get_host_features(struct kvm *kvm, void *dev, int sel) { struct net_dev *nde...
2015 Nov 18
2
[RFC] kvmtool: add support for modern virtio-pci
...+43,8 @@ struct net_dev { struct virt_queue vqs[VIRTIO_NET_NUM_QUEUES * 2 + 1]; struct virtio_net_config config; - u32 features, rx_vqs, tx_vqs, queue_pairs; + u64 features; + u32 rx_vqs, tx_vqs, queue_pairs; pthread_t io_thread[VIRTIO_NET_NUM_QUEUES * 2 + 1]; struct mutex io_lock[VIRTIO_NET_NUM_QUEUES * 2 + 1]; @@ -431,11 +432,10 @@ static u8 *get_config(struct kvm *kvm, void *dev) return ((u8 *)(&ndev->config)); } -static u32 get_host_features(struct kvm *kvm, void *dev) +static u32 get_host_features(struct kvm *kvm, void *dev, int sel) { struct net_dev *nde...
2019 Apr 26
33
[PATCH 00/10] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV
2019 Apr 26
33
[PATCH 00/10] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV
2019 Jun 12
21
[PATCH v5 0/8] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV
2019 Jun 12
21
[PATCH v5 0/8] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV
2019 Jun 06
15
[PATCH v4 0/8] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV
2019 Jun 06
15
[PATCH v4 0/8] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of bounce buffers for I/O. While support for this was built into the virtio core, virtio-ccw wasn't changed accordingly. Some background on technology (not part of this series) and the terminology used. * Protected Virtualization (PV): Protected Virtualization guarantees, that non-shared memory of a guest that operates in PV