search for: vr_size

...-git a/Documentation/mic/mpssd/mpssd.c b/Documentation/mic/mpssd/mpssd.c index 5c7fdda..befc2c3 100644 --- a/Documentation/mic/mpssd/mpssd.c +++ b/Documentation/mic/mpssd/mpssd.c @@ -445,8 +445,8 @@ init_vr(struct mic_info *mic, int fd, int type, __func__, mic->name, vr0->va, vr0->info, vr_size, vring_size(MIC_VRING_ENTRIES, MIC_VIRTIO_RING_ALIGN)); mpsslog("magic 0x%x expected 0x%x\n", - vr0->info->magic, MIC_MAGIC + type); - assert(vr0->info->magic == MIC_MAGIC + type); + le32toh(vr0->info->magic), MIC_MAGIC + type); + assert(le32toh(vr0->info->m...

...-git a/Documentation/mic/mpssd/mpssd.c b/Documentation/mic/mpssd/mpssd.c index 5c7fdda..befc2c3 100644 --- a/Documentation/mic/mpssd/mpssd.c +++ b/Documentation/mic/mpssd/mpssd.c @@ -445,8 +445,8 @@ init_vr(struct mic_info *mic, int fd, int type, __func__, mic->name, vr0->va, vr0->info, vr_size, vring_size(MIC_VRING_ENTRIES, MIC_VIRTIO_RING_ALIGN)); mpsslog("magic 0x%x expected 0x%x\n", - vr0->info->magic, MIC_MAGIC + type); - assert(vr0->info->magic == MIC_MAGIC + type); + le32toh(vr0->info->magic), MIC_MAGIC + type); + assert(le32toh(vr0->info->m...

These patches fix various issues which were reported or found with the MIC driver. Ashutosh Dixit (3): misc: mic: Bug fix for sysfs poll usage. misc: mic: Fix sparse warnings and other endianness issues. misc: mic: Fix user space namespace pollution from mic_common.h. Sudeep Dutt (2): misc: mic: Change mic_notify(...) to return true. misc: mic: Minor bug fix in 'retry' loops.

These patches fix various issues which were reported or found with the MIC driver. Ashutosh Dixit (3): misc: mic: Bug fix for sysfs poll usage. misc: mic: Fix sparse warnings and other endianness issues. misc: mic: Fix user space namespace pollution from mic_common.h. Sudeep Dutt (2): misc: mic: Change mic_notify(...) to return true. misc: mic: Minor bug fix in 'retry' loops.

These patches fix various issues which were reported or found with the MIC driver. Changelog ========= v2 => v3: * Reorder patch 5 in v2 to patch 4 in v3. * Split patch 4 in v2 into patches 5 and 6 in v3. v1 => v2: @ https://lkml.org/lkml/2013/11/26/376 * Address review comments @ https://lkml.org/lkml/2013/11/26/443 in patch 5. v1: Initial post @ https://lkml.org/lkml/2013/11/26/321

These patches fix various issues which were reported or found with the MIC driver. Changelog ========= v2 => v3: * Reorder patch 5 in v2 to patch 4 in v3. * Split patch 4 in v2 into patches 5 and 6 in v3. v1 => v2: @ https://lkml.org/lkml/2013/11/26/376 * Address review comments @ https://lkml.org/lkml/2013/11/26/443 in patch 5. v1: Initial post @ https://lkml.org/lkml/2013/11/26/321

...d/mic_virtio.c > @@ -248,17 +248,17 @@ static struct virtqueue *mic_find_vq(struct virtio_device *vdev, > /* First assign the vring's allocated in host memory */ > vqconfig = mic_vq_config(mvdev->desc) + index; > memcpy_fromio(&config, vqconfig, sizeof(config)); > - _vr_size = vring_size(config.num, MIC_VIRTIO_RING_ALIGN); > + _vr_size = vring_size(le16_to_cpu(config.num), MIC_VIRTIO_RING_ALIGN); > vr_size = PAGE_ALIGN(_vr_size + sizeof(struct _mic_vring_info)); > - va = mic_card_map(mvdev->mdev, config.address, vr_size); > + va = mic_card_map(mvdev-&g...

...dev_err(mic_dev(mvdev), "%s %d err %d\n", __func__, __LINE__, -EINVAL); return -EINVAL; @@ -551,7 +549,7 @@ int mic_virtio_add_device(struct mic_vdev *mvdev, sizeof(struct _mic_vring_info)); vr->va = (void *) __get_free_pages(GFP_KERNEL | __GFP_ZERO, - get_order(vr_size)); + get_order(vr_size)); if (!vr->va) { ret = -ENOMEM; dev_err(mic_dev(mvdev), "%s %d err %d\n", @@ -564,8 +562,7 @@ int mic_virtio_add_device(struct mic_vdev *mvdev, vqconfig[i].address = mic_map_single(mdev, vr->va, vr_size); if (mic_map_error(vqconfig[i...

...n ret; > +} > + > +/* > + * This initialization routine requires at least one > + * vring i.e. vr0. vr1 is optional. > + */ > +static void * > +init_vr(struct mic_info *mic, int fd, int type, > + struct mic_vring *vr0, struct mic_vring *vr1, int num_vq) > +{ > + int vr_size; > + char *va; > + > + vr_size = PAGE_ALIGN(vring_size(MIC_VRING_ENTRIES, > + MIC_VIRTIO_RING_ALIGN) + sizeof(struct _mic_vring_info)); > + va = mmap(NULL, MIC_DEVICE_PAGE_END + vr_size * num_vq, > + PROT_READ, MAP_SHARED, fd, 0); > + if (MAP_FAILED == va) { > + mpsslog(&...

...n ret; > +} > + > +/* > + * This initialization routine requires at least one > + * vring i.e. vr0. vr1 is optional. > + */ > +static void * > +init_vr(struct mic_info *mic, int fd, int type, > + struct mic_vring *vr0, struct mic_vring *vr1, int num_vq) > +{ > + int vr_size; > + char *va; > + > + vr_size = PAGE_ALIGN(vring_size(MIC_VRING_ENTRIES, > + MIC_VIRTIO_RING_ALIGN) + sizeof(struct _mic_vring_info)); > + va = mmap(NULL, MIC_DEVICE_PAGE_END + vr_size * num_vq, > + PROT_READ, MAP_SHARED, fd, 0); > + if (MAP_FAILED == va) { > + mpsslog(&...

...unc__, __LINE__, + strerror(errno), ret); + } + return ret; +} + +/* + * This initialization routine requires at least one + * vring i.e. vr0. vr1 is optional. + */ +static void * +init_vr(struct mic_info *mic, int fd, int type, + struct mic_vring *vr0, struct mic_vring *vr1, int num_vq) +{ + int vr_size; + char *va; + + vr_size = PAGE_ALIGN(vring_size(MIC_VRING_ENTRIES, + MIC_VIRTIO_RING_ALIGN) + sizeof(struct _mic_vring_info)); + va = mmap(NULL, MIC_DEVICE_PAGE_END + vr_size * num_vq, + PROT_READ, MAP_SHARED, fd, 0); + if (MAP_FAILED == va) { + mpsslog("%s %s %d mmap failed errno %s\n&quo...

...+ dc->c2h_vdev_db = -1; > + dc->h2c_vdev_db = -1; > +} > + > +int mic_virtio_add_device(struct mic_vdev *mvdev, > + void __user *argp) > +{ > + struct mic_device *mdev = mvdev->mdev; > + struct mic_device_desc *dd; > + struct mic_vqconfig *vqconfig; > + int vr_size, i, j, ret; > + u8 type; > + s8 db; > + char irqname[10]; > + struct mic_bootparam *bootparam = mdev->dp; > + u16 num; > + > + mutex_lock(&mdev->mic_mutex); > + > + ret = mic_copy_dp_entry(mvdev, argp, &type, &dd); > + if (ret) { > + mutex_unlock(...

...t;host_ack = 0; + dc->used_address_updated = 0; + dc->c2h_vdev_db = -1; + dc->h2c_vdev_db = -1; +} + +int mic_virtio_add_device(struct mic_vdev *mvdev, + void __user *argp) +{ + struct mic_device *mdev = mvdev->mdev; + struct mic_device_desc *dd; + struct mic_vqconfig *vqconfig; + int vr_size, i, j, ret; + u8 type; + s8 db; + char irqname[10]; + struct mic_bootparam *bootparam = mdev->dp; + u16 num; + + mutex_lock(&mdev->mic_mutex); + + ret = mic_copy_dp_entry(mvdev, argp, &type, &dd); + if (ret) { + mutex_unlock(&mdev->mic_mutex); + return ret; + } + + mic_in...

...t;host_ack = 0; + dc->used_address_updated = 0; + dc->c2h_vdev_db = -1; + dc->h2c_vdev_db = -1; +} + +int mic_virtio_add_device(struct mic_vdev *mvdev, + void __user *argp) +{ + struct mic_device *mdev = mvdev->mdev; + struct mic_device_desc *dd; + struct mic_vqconfig *vqconfig; + int vr_size, i, j, ret; + u8 type; + s8 db; + char irqname[10]; + struct mic_bootparam *bootparam = mdev->dp; + u16 num; + + mutex_lock(&mdev->mic_mutex); + + ret = mic_copy_dp_entry(mvdev, argp, &type, &dd); + if (ret) { + mutex_unlock(&mdev->mic_mutex); + return ret; + } + + mic_in...

...void (*callback)(struct virtqueue *vq), + const char *name) +{ + struct mic_vdev *mvdev = to_micvdev(vdev); + struct mic_vqconfig __iomem *vqconfig; + struct mic_vqconfig config; + struct virtqueue *vq; + void __iomem *va; + struct _mic_vring_info __iomem *info; + void *used; + int vr_size, _vr_size, err, magic; + struct vring *vr; + u8 type = ioread8(&mvdev->desc->type); + + if (index >= ioread8(&mvdev->desc->num_vq)) + return ERR_PTR(-ENOENT); + + if (!name) + return ERR_PTR(-ENOENT); + + /* First assign the vring's allocated in host memory */ + vqconfi...

...void (*callback)(struct virtqueue *vq), + const char *name) +{ + struct mic_vdev *mvdev = to_micvdev(vdev); + struct mic_vqconfig __iomem *vqconfig; + struct mic_vqconfig config; + struct virtqueue *vq; + void __iomem *va; + struct _mic_vring_info __iomem *info; + void *used; + int vr_size, _vr_size, err, magic; + struct vring *vr; + u8 type = ioread8(&mvdev->desc->type); + + if (index >= ioread8(&mvdev->desc->num_vq)) + return ERR_PTR(-ENOENT); + + if (!name) + return ERR_PTR(-ENOENT); + + /* First assign the vring's allocated in host memory */ + vqconfi...

ChangeLog: ========= v1 => v2: a) License wording cleanup, sysfs ABI documentation, patch 1 refactoring into 3 smaller patches and function renames, as per feedback from Greg Kroah-Hartman. b) Use VRINGH infrastructure for accessing virtio rings from the host in patch 5, as per feedback from Michael S. Tsirkin. v1: Initial post @ https://lkml.org/lkml/2013/7/24/810 Description:

ChangeLog: ========= v1 => v2: a) License wording cleanup, sysfs ABI documentation, patch 1 refactoring into 3 smaller patches and function renames, as per feedback from Greg Kroah-Hartman. b) Use VRINGH infrastructure for accessing virtio rings from the host in patch 5, as per feedback from Michael S. Tsirkin. v1: Initial post @ https://lkml.org/lkml/2013/7/24/810 Description:

ChangeLog: ========= v2 => v3: a) Patch 1 data structure cleanups, header file include cleanups, IDA interface reuse and switching to device_create_with_groups(..) as per feedback from Greg Kroah-Hartman. b) Patch 7 signal documentation, sleep workaround removal and sysfs access API cleanups as per feedback from Michael S. Tsirkin. v1 => v2: @ http://lwn.net/Articles/563131/ a)

ChangeLog: ========= v2 => v3: a) Patch 1 data structure cleanups, header file include cleanups, IDA interface reuse and switching to device_create_with_groups(..) as per feedback from Greg Kroah-Hartman. b) Patch 7 signal documentation, sleep workaround removal and sysfs access API cleanups as per feedback from Michael S. Tsirkin. v1 => v2: @ http://lwn.net/Articles/563131/ a)