diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/rdma/ib_verbs.h | 9 | ||||
| -rw-r--r-- | include/rdma/uverbs_types.h | 1 | ||||
| -rw-r--r-- | include/uapi/rdma/ib_user_ioctl_cmds.h | 10 |
3 files changed, 20 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 8bd020da7745..3f3827e1c711 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -44,6 +44,7 @@ #include <uapi/rdma/rdma_user_ioctl.h> #include <uapi/rdma/ib_user_ioctl_verbs.h> #include <linux/pci-tph.h> +#include <linux/dma-buf.h> #define IB_FW_VERSION_NAME_MAX ETHTOOL_FWVERS_LEN @@ -2364,6 +2365,9 @@ struct rdma_user_mmap_entry { unsigned long start_pgoff; size_t npages; bool driver_removed; + /* protects access to dmabufs */ + struct mutex dmabufs_lock; + struct list_head dmabufs; }; /* Return the offset (in bytes) the user should pass to libc's mmap() */ @@ -2501,6 +2505,11 @@ struct ib_device_ops { * Therefore needs to be implemented by the driver in mmap_free. */ void (*mmap_free)(struct rdma_user_mmap_entry *entry); + int (*mmap_get_pfns)(struct rdma_user_mmap_entry *entry, + struct phys_vec *phys_vec, + struct p2pdma_provider **provider); + struct rdma_user_mmap_entry *(*pgoff_to_mmap_entry)(struct ib_ucontext *ucontext, + off_t pg_off); void (*disassociate_ucontext)(struct ib_ucontext *ibcontext); int (*alloc_pd)(struct ib_pd *pd, struct ib_udata *udata); int (*dealloc_pd)(struct ib_pd *pd, struct ib_udata *udata); diff --git a/include/rdma/uverbs_types.h b/include/rdma/uverbs_types.h index 26ba919ac245..6a253b7dc5ea 100644 --- a/include/rdma/uverbs_types.h +++ b/include/rdma/uverbs_types.h @@ -186,6 +186,7 @@ struct ib_uverbs_file { extern const struct uverbs_obj_type_class uverbs_idr_class; extern const struct uverbs_obj_type_class uverbs_fd_class; int uverbs_uobject_fd_release(struct inode *inode, struct file *filp); +int uverbs_uobject_release(struct ib_uobject *uobj); #define UVERBS_BUILD_BUG_ON(cond) (sizeof(char[1 - 2 * !!(cond)]) - \ sizeof(char)) diff --git a/include/uapi/rdma/ib_user_ioctl_cmds.h b/include/uapi/rdma/ib_user_ioctl_cmds.h index 35da4026f452..72041c1b0ea5 100644 --- a/include/uapi/rdma/ib_user_ioctl_cmds.h +++ b/include/uapi/rdma/ib_user_ioctl_cmds.h @@ -56,6 +56,7 @@ enum uverbs_default_objects { UVERBS_OBJECT_COUNTERS, UVERBS_OBJECT_ASYNC_EVENT, UVERBS_OBJECT_DMAH, + UVERBS_OBJECT_DMABUF, }; enum { @@ -263,6 +264,15 @@ enum uverbs_methods_dmah { UVERBS_METHOD_DMAH_FREE, }; +enum uverbs_attrs_alloc_dmabuf_cmd_attr_ids { + UVERBS_ATTR_ALLOC_DMABUF_HANDLE, + UVERBS_ATTR_ALLOC_DMABUF_PGOFF, +}; + +enum uverbs_methods_dmabuf { + UVERBS_METHOD_DMABUF_ALLOC, +}; + enum uverbs_attrs_reg_dm_mr_cmd_attr_ids { UVERBS_ATTR_REG_DM_MR_HANDLE, UVERBS_ATTR_REG_DM_MR_OFFSET, |