diff options
Diffstat (limited to 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 228 |
1 files changed, 194 insertions, 34 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 3b6eb646066c..54e48dd36644 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2396,13 +2396,13 @@ struct ib_device_ops { 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); + void (*dealloc_pd)(struct ib_pd *pd, struct ib_udata *udata); struct ib_ah *(*create_ah)(struct ib_pd *pd, 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); + int (*destroy_ah)(struct ib_ah *ah, u32 flags, struct ib_udata *udata); struct ib_srq *(*create_srq)(struct ib_pd *pd, struct ib_srq_init_attr *srq_init_attr, struct ib_udata *udata); @@ -2410,7 +2410,7 @@ struct ib_device_ops { 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); + int (*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 +2418,13 @@ 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 +2433,9 @@ 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, @@ -2458,7 +2458,7 @@ struct ib_device_ops { 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 +2483,7 @@ 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 +2495,7 @@ 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); @@ -3252,9 +3252,27 @@ 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 */ @@ -3367,11 +3385,24 @@ 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 @@ -3415,10 +3446,22 @@ 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. @@ -3438,15 +3481,34 @@ 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(struct ib_pd *pd, - struct ib_qp_init_attr *qp_init_attr); +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! + */ +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. @@ -3496,8 +3558,20 @@ 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(struct ib_qp *qp); +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! + */ +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. @@ -3557,13 +3631,66 @@ 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); /** @@ -3607,10 +3734,22 @@ 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) @@ -3864,17 +4003,37 @@ 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 @@ -3972,8 +4131,9 @@ 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) { @@ -4049,7 +4209,7 @@ 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, |