X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=include%2Frdma%2Fib_verbs.h;h=de8724e5a727352a455a06ab9de8432efd9ee523;hb=923abb9d797ba078f4e9eb3734dd71be5f567a2a;hp=9b9e17bcc201d394e3010b782536eddc62883d3e;hpb=5ea6718b1f1bb58825426e19a21cdba47075a954;p=linux-2.6-microblaze.git diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 9b9e17bcc201..de8724e5a727 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -59,6 +59,8 @@ #include #include #include +#include +#include #include #include #include @@ -72,6 +74,36 @@ extern struct workqueue_struct *ib_wq; extern struct workqueue_struct *ib_comp_wq; extern struct workqueue_struct *ib_comp_unbound_wq; +__printf(3, 4) __cold +void ibdev_printk(const char *level, const struct ib_device *ibdev, + const char *format, ...); +__printf(2, 3) __cold +void ibdev_emerg(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_alert(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_crit(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_err(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_warn(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_notice(const struct ib_device *ibdev, const char *format, ...); +__printf(2, 3) __cold +void ibdev_info(const struct ib_device *ibdev, const char *format, ...); + +#if defined(CONFIG_DYNAMIC_DEBUG) +#define ibdev_dbg(__dev, format, args...) \ + dynamic_ibdev_dbg(__dev, format, ##args) +#elif defined(DEBUG) +#define ibdev_dbg(__dev, format, args...) \ + ibdev_printk(KERN_DEBUG, __dev, format, ##args) +#else +__printf(2, 3) __cold +static inline +void ibdev_dbg(const struct ib_device *ibdev, const char *format, ...) {} +#endif + union ib_gid { u8 raw[16]; struct { @@ -2281,8 +2313,11 @@ struct uverbs_attr_bundle; !__same_type(((struct drv_struct *)NULL)->member, \ struct ib_struct))) +#define rdma_zalloc_drv_obj_gfp(ib_dev, ib_type, gfp) \ + ((struct ib_type *)kzalloc(ib_dev->ops.size_##ib_type, gfp)) + #define rdma_zalloc_drv_obj(ib_dev, ib_type) \ - ((struct ib_type *)kzalloc(ib_dev->ops.size_##ib_type, GFP_KERNEL)) + rdma_zalloc_drv_obj_gfp(ib_dev, ib_type, GFP_KERNEL) #define DECLARE_RDMA_OBJ_SIZE(ib_struct) size_t size_##ib_struct @@ -2394,23 +2429,21 @@ struct ib_device_ops { void (*dealloc_ucontext)(struct ib_ucontext *context); int (*mmap)(struct ib_ucontext *context, struct vm_area_struct *vma); void (*disassociate_ucontext)(struct ib_ucontext *ibcontext); - int (*alloc_pd)(struct ib_pd *pd, struct ib_ucontext *context, - struct ib_udata *udata); - void (*dealloc_pd)(struct ib_pd *pd); - struct ib_ah *(*create_ah)(struct ib_pd *pd, - struct rdma_ah_attr *ah_attr, u32 flags, - struct ib_udata *udata); + int (*alloc_pd)(struct ib_pd *pd, struct ib_udata *udata); + void (*dealloc_pd)(struct ib_pd *pd, struct ib_udata *udata); + int (*create_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, + u32 flags, struct ib_udata *udata); int (*modify_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr); int (*query_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr); - int (*destroy_ah)(struct ib_ah *ah, u32 flags); - struct ib_srq *(*create_srq)(struct ib_pd *pd, - struct ib_srq_init_attr *srq_init_attr, - struct ib_udata *udata); + void (*destroy_ah)(struct ib_ah *ah, u32 flags); + int (*create_srq)(struct ib_srq *srq, + struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata); int (*modify_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr, enum ib_srq_attr_mask srq_attr_mask, struct ib_udata *udata); int (*query_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr); - int (*destroy_srq)(struct ib_srq *srq); + void (*destroy_srq)(struct ib_srq *srq, struct ib_udata *udata); struct ib_qp *(*create_qp)(struct ib_pd *pd, struct ib_qp_init_attr *qp_init_attr, struct ib_udata *udata); @@ -2418,13 +2451,12 @@ struct ib_device_ops { int qp_attr_mask, struct ib_udata *udata); int (*query_qp)(struct ib_qp *qp, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); - int (*destroy_qp)(struct ib_qp *qp); + int (*destroy_qp)(struct ib_qp *qp, struct ib_udata *udata); struct ib_cq *(*create_cq)(struct ib_device *device, const struct ib_cq_init_attr *attr, - struct ib_ucontext *context, struct ib_udata *udata); int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period); - int (*destroy_cq)(struct ib_cq *cq); + int (*destroy_cq)(struct ib_cq *cq, struct ib_udata *udata); int (*resize_cq)(struct ib_cq *cq, int cqe, struct ib_udata *udata); struct ib_mr *(*get_dma_mr)(struct ib_pd *pd, int mr_access_flags); struct ib_mr *(*reg_user_mr)(struct ib_pd *pd, u64 start, u64 length, @@ -2433,9 +2465,9 @@ struct ib_device_ops { int (*rereg_user_mr)(struct ib_mr *mr, int flags, u64 start, u64 length, u64 virt_addr, int mr_access_flags, struct ib_pd *pd, struct ib_udata *udata); - int (*dereg_mr)(struct ib_mr *mr); + int (*dereg_mr)(struct ib_mr *mr, struct ib_udata *udata); struct ib_mr *(*alloc_mr)(struct ib_pd *pd, enum ib_mr_type mr_type, - u32 max_num_sg); + u32 max_num_sg, struct ib_udata *udata); int (*advise_mr)(struct ib_pd *pd, enum ib_uverbs_advise_mr_advice advice, u32 flags, struct ib_sge *sg_list, u32 num_sge, @@ -2456,9 +2488,8 @@ struct ib_device_ops { int (*attach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid); int (*detach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid); struct ib_xrcd *(*alloc_xrcd)(struct ib_device *device, - struct ib_ucontext *ucontext, struct ib_udata *udata); - int (*dealloc_xrcd)(struct ib_xrcd *xrcd); + int (*dealloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata); struct ib_flow *(*create_flow)(struct ib_qp *qp, struct ib_flow_attr *flow_attr, int domain, struct ib_udata *udata); @@ -2483,7 +2514,7 @@ struct ib_device_ops { struct ib_wq *(*create_wq)(struct ib_pd *pd, struct ib_wq_init_attr *init_attr, struct ib_udata *udata); - int (*destroy_wq)(struct ib_wq *wq); + int (*destroy_wq)(struct ib_wq *wq, struct ib_udata *udata); int (*modify_wq)(struct ib_wq *wq, struct ib_wq_attr *attr, u32 wq_attr_mask, struct ib_udata *udata); struct ib_rwq_ind_table *(*create_rwq_ind_table)( @@ -2495,7 +2526,7 @@ struct ib_device_ops { struct ib_ucontext *context, struct ib_dm_alloc_attr *attr, struct uverbs_attr_bundle *attrs); - int (*dealloc_dm)(struct ib_dm *dm); + int (*dealloc_dm)(struct ib_dm *dm, struct uverbs_attr_bundle *attrs); struct ib_mr *(*reg_dm_mr)(struct ib_pd *pd, struct ib_dm *dm, struct ib_dm_mr_attr *attr, struct uverbs_attr_bundle *attrs); @@ -2550,12 +2581,24 @@ struct ib_device_ops { */ void (*dealloc_driver)(struct ib_device *dev); + DECLARE_RDMA_OBJ_SIZE(ib_ah); DECLARE_RDMA_OBJ_SIZE(ib_pd); + DECLARE_RDMA_OBJ_SIZE(ib_srq); DECLARE_RDMA_OBJ_SIZE(ib_ucontext); }; -struct rdma_restrack_root; +struct ib_core_device { + /* device must be the first element in structure until, + * union of ib_core_device and device exists in ib_device. + */ + struct device dev; + possible_net_t rdma_net; + struct kobject *ports_kobj; + struct list_head port_list; + struct ib_device *owner; /* reach back to owner ib_device */ +}; +struct rdma_restrack_root; struct ib_device { /* Do not access @dma_device directly from ULP nor from HW drivers. */ struct device *dma_device; @@ -2581,16 +2624,17 @@ struct ib_device { struct iw_cm_verbs *iwcm; struct module *owner; - struct device dev; + union { + struct device dev; + struct ib_core_device coredev; + }; + /* First group for device attributes, * Second group for driver provided attributes (optional). * It is NULL terminated array. */ const struct attribute_group *groups[3]; - struct kobject *ports_kobj; - struct list_head port_list; - int uverbs_abi_ver; u64 uverbs_cmd_mask; u64 uverbs_ex_cmd_mask; @@ -2626,6 +2670,11 @@ struct ib_device { struct work_struct unregistration_work; const struct rdma_link_ops *link_ops; + + /* Protects compat_devs xarray modifications */ + struct mutex compat_devs_mutex; + /* Maintains compat devices for each net namespace */ + struct xarray compat_devs; }; struct ib_client { @@ -2705,9 +2754,6 @@ void ib_set_device_ops(struct ib_device *device, #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) int rdma_user_mmap_io(struct ib_ucontext *ucontext, struct vm_area_struct *vma, unsigned long pfn, unsigned long size, pgprot_t prot); -int rdma_user_mmap_page(struct ib_ucontext *ucontext, - struct vm_area_struct *vma, struct page *page, - unsigned long size); #else static inline int rdma_user_mmap_io(struct ib_ucontext *ucontext, struct vm_area_struct *vma, @@ -2716,12 +2762,6 @@ static inline int rdma_user_mmap_io(struct ib_ucontext *ucontext, { return -EINVAL; } -static inline int rdma_user_mmap_page(struct ib_ucontext *ucontext, - struct vm_area_struct *vma, struct page *page, - unsigned long size) -{ - return -EINVAL; -} #endif static inline int ib_copy_from_udata(void *dest, struct ib_udata *udata, size_t len) @@ -2978,8 +3018,8 @@ static inline bool rdma_cap_ib_mad(const struct ib_device *device, u8 port_num) */ static inline bool rdma_cap_opa_mad(struct ib_device *device, u8 port_num) { - return (device->port_data[port_num].immutable.core_cap_flags & - RDMA_CORE_CAP_OPA_MAD) == RDMA_CORE_CAP_OPA_MAD; + return device->port_data[port_num].immutable.core_cap_flags & + RDMA_CORE_CAP_OPA_MAD; } /** @@ -3236,9 +3276,27 @@ enum ib_pd_flags { struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags, const char *caller); + #define ib_alloc_pd(device, flags) \ __ib_alloc_pd((device), (flags), KBUILD_MODNAME) -void ib_dealloc_pd(struct ib_pd *pd); + +/** + * ib_dealloc_pd_user - Deallocate kernel/user PD + * @pd: The protection domain + * @udata: Valid user data or NULL for kernel objects + */ +void ib_dealloc_pd_user(struct ib_pd *pd, struct ib_udata *udata); + +/** + * ib_dealloc_pd - Deallocate kernel PD + * @pd: The protection domain + * + * NOTE: for user PD use ib_dealloc_pd_user with valid udata! + */ +static inline void ib_dealloc_pd(struct ib_pd *pd) +{ + ib_dealloc_pd_user(pd, NULL); +} enum rdma_create_ah_flags { /* In a sleepable context */ @@ -3351,11 +3409,24 @@ enum rdma_destroy_ah_flags { }; /** - * rdma_destroy_ah - Destroys an address handle. + * rdma_destroy_ah_user - Destroys an address handle. * @ah: The address handle to destroy. * @flags: Destroy address handle flags (see enum rdma_destroy_ah_flags). + * @udata: Valid user data or NULL for kernel objects */ -int rdma_destroy_ah(struct ib_ah *ah, u32 flags); +int rdma_destroy_ah_user(struct ib_ah *ah, u32 flags, struct ib_udata *udata); + +/** + * rdma_destroy_ah - Destroys an kernel address handle. + * @ah: The address handle to destroy. + * @flags: Destroy address handle flags (see enum rdma_destroy_ah_flags). + * + * NOTE: for user ah use rdma_destroy_ah_user with valid udata! + */ +static inline int rdma_destroy_ah(struct ib_ah *ah, u32 flags) +{ + return rdma_destroy_ah_user(ah, flags, NULL); +} /** * ib_create_srq - Creates a SRQ associated with the specified protection @@ -3399,10 +3470,22 @@ int ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); /** - * ib_destroy_srq - Destroys the specified SRQ. + * ib_destroy_srq_user - Destroys the specified SRQ. + * @srq: The SRQ to destroy. + * @udata: Valid user data or NULL for kernel objects + */ +int ib_destroy_srq_user(struct ib_srq *srq, struct ib_udata *udata); + +/** + * ib_destroy_srq - Destroys the specified kernel SRQ. * @srq: The SRQ to destroy. + * + * NOTE: for user srq use ib_destroy_srq_user with valid udata! */ -int ib_destroy_srq(struct ib_srq *srq); +static inline int ib_destroy_srq(struct ib_srq *srq) +{ + return ib_destroy_srq_user(srq, NULL); +} /** * ib_post_srq_recv - Posts a list of work requests to the specified SRQ. @@ -3422,15 +3505,34 @@ static inline int ib_post_srq_recv(struct ib_srq *srq, } /** - * ib_create_qp - Creates a QP associated with the specified protection + * ib_create_qp_user - Creates a QP associated with the specified protection + * domain. + * @pd: The protection domain associated with the QP. + * @qp_init_attr: A list of initial attributes required to create the + * QP. If QP creation succeeds, then the attributes are updated to + * the actual capabilities of the created QP. + * @udata: Valid user data or NULL for kernel objects + */ +struct ib_qp *ib_create_qp_user(struct ib_pd *pd, + struct ib_qp_init_attr *qp_init_attr, + struct ib_udata *udata); + +/** + * ib_create_qp - Creates a kernel QP associated with the specified protection * domain. * @pd: The protection domain associated with the QP. * @qp_init_attr: A list of initial attributes required to create the * QP. If QP creation succeeds, then the attributes are updated to * the actual capabilities of the created QP. + * @udata: Valid user data or NULL for kernel objects + * + * NOTE: for user qp use ib_create_qp_user with valid udata! */ -struct ib_qp *ib_create_qp(struct ib_pd *pd, - struct ib_qp_init_attr *qp_init_attr); +static inline struct ib_qp *ib_create_qp(struct ib_pd *pd, + struct ib_qp_init_attr *qp_init_attr) +{ + return ib_create_qp_user(pd, qp_init_attr, NULL); +} /** * ib_modify_qp_with_udata - Modifies the attributes for the specified QP. @@ -3480,8 +3582,20 @@ int ib_query_qp(struct ib_qp *qp, /** * ib_destroy_qp - Destroys the specified QP. * @qp: The QP to destroy. + * @udata: Valid udata or NULL for kernel objects + */ +int ib_destroy_qp_user(struct ib_qp *qp, struct ib_udata *udata); + +/** + * ib_destroy_qp - Destroys the specified kernel QP. + * @qp: The QP to destroy. + * + * NOTE: for user qp use ib_destroy_qp_user with valid udata! */ -int ib_destroy_qp(struct ib_qp *qp); +static inline int ib_destroy_qp(struct ib_qp *qp) +{ + return ib_destroy_qp_user(qp, NULL); +} /** * ib_open_qp - Obtain a reference to an existing sharable QP. @@ -3541,13 +3655,66 @@ static inline int ib_post_recv(struct ib_qp *qp, return qp->device->ops.post_recv(qp, recv_wr, bad_recv_wr ? : &dummy); } -struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private, - int nr_cqe, int comp_vector, - enum ib_poll_context poll_ctx, const char *caller); -#define ib_alloc_cq(device, priv, nr_cqe, comp_vect, poll_ctx) \ - __ib_alloc_cq((device), (priv), (nr_cqe), (comp_vect), (poll_ctx), KBUILD_MODNAME) +struct ib_cq *__ib_alloc_cq_user(struct ib_device *dev, void *private, + int nr_cqe, int comp_vector, + enum ib_poll_context poll_ctx, + const char *caller, struct ib_udata *udata); + +/** + * ib_alloc_cq_user: Allocate kernel/user CQ + * @dev: The IB device + * @private: Private data attached to the CQE + * @nr_cqe: Number of CQEs in the CQ + * @comp_vector: Completion vector used for the IRQs + * @poll_ctx: Context used for polling the CQ + * @udata: Valid user data or NULL for kernel objects + */ +static inline struct ib_cq *ib_alloc_cq_user(struct ib_device *dev, + void *private, int nr_cqe, + int comp_vector, + enum ib_poll_context poll_ctx, + struct ib_udata *udata) +{ + return __ib_alloc_cq_user(dev, private, nr_cqe, comp_vector, poll_ctx, + KBUILD_MODNAME, udata); +} + +/** + * ib_alloc_cq: Allocate kernel CQ + * @dev: The IB device + * @private: Private data attached to the CQE + * @nr_cqe: Number of CQEs in the CQ + * @comp_vector: Completion vector used for the IRQs + * @poll_ctx: Context used for polling the CQ + * + * NOTE: for user cq use ib_alloc_cq_user with valid udata! + */ +static inline struct ib_cq *ib_alloc_cq(struct ib_device *dev, void *private, + int nr_cqe, int comp_vector, + enum ib_poll_context poll_ctx) +{ + return ib_alloc_cq_user(dev, private, nr_cqe, comp_vector, poll_ctx, + NULL); +} + +/** + * ib_free_cq_user - Free kernel/user CQ + * @cq: The CQ to free + * @udata: Valid user data or NULL for kernel objects + */ +void ib_free_cq_user(struct ib_cq *cq, struct ib_udata *udata); + +/** + * ib_free_cq - Free kernel CQ + * @cq: The CQ to free + * + * NOTE: for user cq use ib_free_cq_user with valid udata! + */ +static inline void ib_free_cq(struct ib_cq *cq) +{ + ib_free_cq_user(cq, NULL); +} -void ib_free_cq(struct ib_cq *cq); int ib_process_cq_direct(struct ib_cq *cq, int budget); /** @@ -3591,10 +3758,22 @@ int ib_resize_cq(struct ib_cq *cq, int cqe); int rdma_set_cq_moderation(struct ib_cq *cq, u16 cq_count, u16 cq_period); /** - * ib_destroy_cq - Destroys the specified CQ. + * ib_destroy_cq_user - Destroys the specified CQ. * @cq: The CQ to destroy. + * @udata: Valid user data or NULL for kernel objects */ -int ib_destroy_cq(struct ib_cq *cq); +int ib_destroy_cq_user(struct ib_cq *cq, struct ib_udata *udata); + +/** + * ib_destroy_cq - Destroys the specified kernel CQ. + * @cq: The CQ to destroy. + * + * NOTE: for user cq use ib_destroy_cq_user with valid udata! + */ +static inline int ib_destroy_cq(struct ib_cq *cq) +{ + return ib_destroy_cq_user(cq, NULL); +} /** * ib_poll_cq - poll a CQ for completion(s) @@ -3848,17 +4027,37 @@ static inline void ib_dma_free_coherent(struct ib_device *dev, } /** - * ib_dereg_mr - Deregisters a memory region and removes it from the + * ib_dereg_mr_user - Deregisters a memory region and removes it from the + * HCA translation table. + * @mr: The memory region to deregister. + * @udata: Valid user data or NULL for kernel object + * + * This function can fail, if the memory region has memory windows bound to it. + */ +int ib_dereg_mr_user(struct ib_mr *mr, struct ib_udata *udata); + +/** + * ib_dereg_mr - Deregisters a kernel memory region and removes it from the * HCA translation table. * @mr: The memory region to deregister. * * This function can fail, if the memory region has memory windows bound to it. + * + * NOTE: for user mr use ib_dereg_mr_user with valid udata! */ -int ib_dereg_mr(struct ib_mr *mr); +static inline int ib_dereg_mr(struct ib_mr *mr) +{ + return ib_dereg_mr_user(mr, NULL); +} + +struct ib_mr *ib_alloc_mr_user(struct ib_pd *pd, enum ib_mr_type mr_type, + u32 max_num_sg, struct ib_udata *udata); -struct ib_mr *ib_alloc_mr(struct ib_pd *pd, - enum ib_mr_type mr_type, - u32 max_num_sg); +static inline struct ib_mr *ib_alloc_mr(struct ib_pd *pd, + enum ib_mr_type mr_type, u32 max_num_sg) +{ + return ib_alloc_mr_user(pd, mr_type, max_num_sg, NULL); +} /** * ib_update_fast_reg_key - updates the key portion of the fast_reg MR @@ -3956,8 +4155,9 @@ struct ib_xrcd *__ib_alloc_xrcd(struct ib_device *device, const char *caller); /** * ib_dealloc_xrcd - Deallocates an XRC domain. * @xrcd: The XRC domain to deallocate. + * @udata: Valid user data or NULL for kernel object */ -int ib_dealloc_xrcd(struct ib_xrcd *xrcd); +int ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata); static inline int ib_check_mr_access(int flags) { @@ -4033,7 +4233,7 @@ struct net_device *ib_device_netdev(struct ib_device *dev, u8 port); struct ib_wq *ib_create_wq(struct ib_pd *pd, struct ib_wq_init_attr *init_attr); -int ib_destroy_wq(struct ib_wq *wq); +int ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata); int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *attr, u32 wq_attr_mask); struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device, @@ -4349,7 +4549,10 @@ rdma_set_device_sysfs_group(struct ib_device *dev, */ static inline struct ib_device *rdma_device_to_ibdev(struct device *device) { - return container_of(device, struct ib_device, dev); + struct ib_core_device *coredev = + container_of(device, struct ib_core_device, dev); + + return coredev->owner; } /** @@ -4362,4 +4565,7 @@ static inline struct ib_device *rdma_device_to_ibdev(struct device *device) */ #define rdma_device_to_drv_device(dev, drv_dev_struct, ibdev_member) \ container_of(rdma_device_to_ibdev(dev), drv_dev_struct, ibdev_member) + +bool rdma_dev_access_netns(const struct ib_device *device, + const struct net *net); #endif /* IB_VERBS_H */