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authorKamal Heib <kamalheib1@gmail.com>2018-12-10 21:09:48 +0200
committerJason Gunthorpe <jgg@mellanox.com>2018-12-12 07:40:16 -0700
commit3023a1e93656c02b8d6a3a46e712b815843fa514 (patch)
tree6c1471a47bb6ee96cee6fcac950a116701d79f8d /include/rdma
parent02a42f8e40caed53fd357c9c33912e1bfb6f0365 (diff)
RDMA: Start use ib_device_ops
Make all the required change to start use the ib_device_ops structure. Signed-off-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h303
-rw-r--r--include/rdma/uverbs_ioctl.h12
2 files changed, 19 insertions, 296 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 60315fd05411..5b3b51f00f48 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2507,7 +2507,7 @@ struct ib_device_ops {
struct ib_device {
/* Do not access @dma_device directly from ULP nor from HW drivers. */
struct device *dma_device;
-
+ struct ib_device_ops ops;
char name[IB_DEVICE_NAME_MAX];
struct list_head event_handler_list;
@@ -2532,273 +2532,6 @@ struct ib_device {
struct iw_cm_verbs *iwcm;
- /**
- * alloc_hw_stats - Allocate a struct rdma_hw_stats and fill in the
- * driver initialized data. The struct is kfree()'ed by the sysfs
- * core when the device is removed. A lifespan of -1 in the return
- * struct tells the core to set a default lifespan.
- */
- struct rdma_hw_stats *(*alloc_hw_stats)(struct ib_device *device,
- u8 port_num);
- /**
- * get_hw_stats - Fill in the counter value(s) in the stats struct.
- * @index - The index in the value array we wish to have updated, or
- * num_counters if we want all stats updated
- * Return codes -
- * < 0 - Error, no counters updated
- * index - Updated the single counter pointed to by index
- * num_counters - Updated all counters (will reset the timestamp
- * and prevent further calls for lifespan milliseconds)
- * Drivers are allowed to update all counters in lieu of just the
- * one given in index at their option
- */
- int (*get_hw_stats)(struct ib_device *device,
- struct rdma_hw_stats *stats,
- u8 port, int index);
- int (*query_device)(struct ib_device *device,
- struct ib_device_attr *device_attr,
- struct ib_udata *udata);
- int (*query_port)(struct ib_device *device,
- u8 port_num,
- struct ib_port_attr *port_attr);
- enum rdma_link_layer (*get_link_layer)(struct ib_device *device,
- u8 port_num);
- /* When calling get_netdev, the HW vendor's driver should return the
- * net device of device @device at port @port_num or NULL if such
- * a net device doesn't exist. The vendor driver should call dev_hold
- * on this net device. The HW vendor's device driver must guarantee
- * that this function returns NULL before the net device has finished
- * NETDEV_UNREGISTER state.
- */
- struct net_device *(*get_netdev)(struct ib_device *device,
- u8 port_num);
- /* query_gid should be return GID value for @device, when @port_num
- * link layer is either IB or iWarp. It is no-op if @port_num port
- * is RoCE link layer.
- */
- int (*query_gid)(struct ib_device *device,
- u8 port_num, int index,
- union ib_gid *gid);
- /* When calling add_gid, the HW vendor's driver should add the gid
- * of device of port at gid index available at @attr. Meta-info of
- * that gid (for example, the network device related to this gid) is
- * available at @attr. @context allows the HW vendor driver to store
- * extra information together with a GID entry. The HW vendor driver may
- * allocate memory to contain this information and store it in @context
- * when a new GID entry is written to. Params are consistent until the
- * next call of add_gid or delete_gid. The function should return 0 on
- * success or error otherwise. The function could be called
- * concurrently for different ports. This function is only called when
- * roce_gid_table is used.
- */
- int (*add_gid)(const struct ib_gid_attr *attr,
- void **context);
- /* When calling del_gid, the HW vendor's driver should delete the
- * gid of device @device at gid index gid_index of port port_num
- * available in @attr.
- * Upon the deletion of a GID entry, the HW vendor must free any
- * allocated memory. The caller will clear @context afterwards.
- * This function is only called when roce_gid_table is used.
- */
- int (*del_gid)(const struct ib_gid_attr *attr,
- void **context);
- int (*query_pkey)(struct ib_device *device,
- u8 port_num, u16 index, u16 *pkey);
- int (*modify_device)(struct ib_device *device,
- int device_modify_mask,
- struct ib_device_modify *device_modify);
- int (*modify_port)(struct ib_device *device,
- u8 port_num, int port_modify_mask,
- struct ib_port_modify *port_modify);
- struct ib_ucontext * (*alloc_ucontext)(struct ib_device *device,
- struct ib_udata *udata);
- int (*dealloc_ucontext)(struct ib_ucontext *context);
- int (*mmap)(struct ib_ucontext *context,
- struct vm_area_struct *vma);
- struct ib_pd * (*alloc_pd)(struct ib_device *device,
- struct ib_ucontext *context,
- struct ib_udata *udata);
- int (*dealloc_pd)(struct ib_pd *pd);
- struct ib_ah * (*create_ah)(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- 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);
- struct ib_srq * (*create_srq)(struct ib_pd *pd,
- 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);
- int (*post_srq_recv)(struct ib_srq *srq,
- const struct ib_recv_wr *recv_wr,
- const struct ib_recv_wr **bad_recv_wr);
- struct ib_qp * (*create_qp)(struct ib_pd *pd,
- struct ib_qp_init_attr *qp_init_attr,
- struct ib_udata *udata);
- int (*modify_qp)(struct ib_qp *qp,
- struct ib_qp_attr *qp_attr,
- 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 (*post_send)(struct ib_qp *qp,
- const struct ib_send_wr *send_wr,
- const struct ib_send_wr **bad_send_wr);
- int (*post_recv)(struct ib_qp *qp,
- const struct ib_recv_wr *recv_wr,
- const struct ib_recv_wr **bad_recv_wr);
- 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 (*resize_cq)(struct ib_cq *cq, int cqe,
- struct ib_udata *udata);
- int (*poll_cq)(struct ib_cq *cq, int num_entries,
- struct ib_wc *wc);
- int (*peek_cq)(struct ib_cq *cq, int wc_cnt);
- int (*req_notify_cq)(struct ib_cq *cq,
- enum ib_cq_notify_flags flags);
- int (*req_ncomp_notif)(struct ib_cq *cq,
- int wc_cnt);
- 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,
- u64 virt_addr,
- int mr_access_flags,
- struct ib_udata *udata);
- 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);
- struct ib_mr * (*alloc_mr)(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg);
- int (*map_mr_sg)(struct ib_mr *mr,
- struct scatterlist *sg,
- int sg_nents,
- unsigned int *sg_offset);
- struct ib_mw * (*alloc_mw)(struct ib_pd *pd,
- enum ib_mw_type type,
- struct ib_udata *udata);
- int (*dealloc_mw)(struct ib_mw *mw);
- struct ib_fmr * (*alloc_fmr)(struct ib_pd *pd,
- int mr_access_flags,
- struct ib_fmr_attr *fmr_attr);
- int (*map_phys_fmr)(struct ib_fmr *fmr,
- u64 *page_list, int list_len,
- u64 iova);
- int (*unmap_fmr)(struct list_head *fmr_list);
- int (*dealloc_fmr)(struct ib_fmr *fmr);
- 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);
- int (*process_mad)(struct ib_device *device,
- int process_mad_flags,
- u8 port_num,
- const struct ib_wc *in_wc,
- const struct ib_grh *in_grh,
- const struct ib_mad_hdr *in_mad,
- size_t in_mad_size,
- struct ib_mad_hdr *out_mad,
- size_t *out_mad_size,
- u16 *out_mad_pkey_index);
- struct ib_xrcd * (*alloc_xrcd)(struct ib_device *device,
- struct ib_ucontext *ucontext,
- struct ib_udata *udata);
- int (*dealloc_xrcd)(struct ib_xrcd *xrcd);
- struct ib_flow * (*create_flow)(struct ib_qp *qp,
- struct ib_flow_attr
- *flow_attr,
- int domain,
- struct ib_udata *udata);
- int (*destroy_flow)(struct ib_flow *flow_id);
- int (*check_mr_status)(struct ib_mr *mr, u32 check_mask,
- struct ib_mr_status *mr_status);
- void (*disassociate_ucontext)(struct ib_ucontext *ibcontext);
- void (*drain_rq)(struct ib_qp *qp);
- void (*drain_sq)(struct ib_qp *qp);
- int (*set_vf_link_state)(struct ib_device *device, int vf, u8 port,
- int state);
- int (*get_vf_config)(struct ib_device *device, int vf, u8 port,
- struct ifla_vf_info *ivf);
- int (*get_vf_stats)(struct ib_device *device, int vf, u8 port,
- struct ifla_vf_stats *stats);
- int (*set_vf_guid)(struct ib_device *device, int vf, u8 port, u64 guid,
- int type);
- 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 (*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)(struct ib_device *device,
- struct ib_rwq_ind_table_init_attr *init_attr,
- struct ib_udata *udata);
- int (*destroy_rwq_ind_table)(struct ib_rwq_ind_table *wq_ind_table);
- struct ib_flow_action * (*create_flow_action_esp)(struct ib_device *device,
- const struct ib_flow_action_attrs_esp *attr,
- struct uverbs_attr_bundle *attrs);
- int (*destroy_flow_action)(struct ib_flow_action *action);
- int (*modify_flow_action_esp)(struct ib_flow_action *action,
- const struct ib_flow_action_attrs_esp *attr,
- struct uverbs_attr_bundle *attrs);
- struct ib_dm * (*alloc_dm)(struct ib_device *device,
- struct ib_ucontext *context,
- struct ib_dm_alloc_attr *attr,
- struct uverbs_attr_bundle *attrs);
- int (*dealloc_dm)(struct ib_dm *dm);
- 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);
- struct ib_counters * (*create_counters)(struct ib_device *device,
- struct uverbs_attr_bundle *attrs);
- int (*destroy_counters)(struct ib_counters *counters);
- int (*read_counters)(struct ib_counters *counters,
- struct ib_counters_read_attr *counters_read_attr,
- struct uverbs_attr_bundle *attrs);
-
- /**
- * rdma netdev operation
- *
- * Driver implementing alloc_rdma_netdev or rdma_netdev_get_params
- * must return -EOPNOTSUPP if it doesn't support the specified type.
- */
- struct net_device *(*alloc_rdma_netdev)(
- struct ib_device *device,
- u8 port_num,
- enum rdma_netdev_t type,
- const char *name,
- unsigned char name_assign_type,
- void (*setup)(struct net_device *));
-
- int (*rdma_netdev_get_params)(struct ib_device *device, u8 port_num,
- enum rdma_netdev_t type,
- struct rdma_netdev_alloc_params *params);
-
struct module *owner;
struct device dev;
/* First group for device attributes,
@@ -2840,17 +2573,6 @@ struct ib_device {
*/
struct rdma_restrack_root res;
- /**
- * The following mandatory functions are used only at device
- * registration. Keep functions such as these at the end of this
- * structure to avoid cache line misses when accessing struct ib_device
- * in fast paths.
- */
- int (*get_port_immutable)(struct ib_device *, u8, struct ib_port_immutable *);
- void (*get_dev_fw_str)(struct ib_device *, char *str);
- const struct cpumask *(*get_vector_affinity)(struct ib_device *ibdev,
- int comp_vector);
-
const struct uapi_definition *driver_def;
enum rdma_driver_id driver_id;
/*
@@ -3365,7 +3087,7 @@ static inline bool rdma_cap_roce_gid_table(const struct ib_device *device,
u8 port_num)
{
return rdma_protocol_roce(device, port_num) &&
- device->add_gid && device->del_gid;
+ device->ops.add_gid && device->ops.del_gid;
}
/*
@@ -3589,7 +3311,8 @@ static inline int ib_post_srq_recv(struct ib_srq *srq,
{
const struct ib_recv_wr *dummy;
- return srq->device->post_srq_recv(srq, recv_wr, bad_recv_wr ? : &dummy);
+ return srq->device->ops.post_srq_recv(srq, recv_wr,
+ bad_recv_wr ? : &dummy);
}
/**
@@ -3692,7 +3415,7 @@ static inline int ib_post_send(struct ib_qp *qp,
{
const struct ib_send_wr *dummy;
- return qp->device->post_send(qp, send_wr, bad_send_wr ? : &dummy);
+ return qp->device->ops.post_send(qp, send_wr, bad_send_wr ? : &dummy);
}
/**
@@ -3709,7 +3432,7 @@ static inline int ib_post_recv(struct ib_qp *qp,
{
const struct ib_recv_wr *dummy;
- return qp->device->post_recv(qp, recv_wr, bad_recv_wr ? : &dummy);
+ 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,
@@ -3782,7 +3505,7 @@ int ib_destroy_cq(struct ib_cq *cq);
static inline int ib_poll_cq(struct ib_cq *cq, int num_entries,
struct ib_wc *wc)
{
- return cq->device->poll_cq(cq, num_entries, wc);
+ return cq->device->ops.poll_cq(cq, num_entries, wc);
}
/**
@@ -3815,7 +3538,7 @@ static inline int ib_poll_cq(struct ib_cq *cq, int num_entries,
static inline int ib_req_notify_cq(struct ib_cq *cq,
enum ib_cq_notify_flags flags)
{
- return cq->device->req_notify_cq(cq, flags);
+ return cq->device->ops.req_notify_cq(cq, flags);
}
/**
@@ -3827,8 +3550,8 @@ static inline int ib_req_notify_cq(struct ib_cq *cq,
*/
static inline int ib_req_ncomp_notif(struct ib_cq *cq, int wc_cnt)
{
- return cq->device->req_ncomp_notif ?
- cq->device->req_ncomp_notif(cq, wc_cnt) :
+ return cq->device->ops.req_ncomp_notif ?
+ cq->device->ops.req_ncomp_notif(cq, wc_cnt) :
-ENOSYS;
}
@@ -4092,7 +3815,7 @@ static inline int ib_map_phys_fmr(struct ib_fmr *fmr,
u64 *page_list, int list_len,
u64 iova)
{
- return fmr->device->map_phys_fmr(fmr, page_list, list_len, iova);
+ return fmr->device->ops.map_phys_fmr(fmr, page_list, list_len, iova);
}
/**
@@ -4445,10 +4168,10 @@ static inline const struct cpumask *
ib_get_vector_affinity(struct ib_device *device, int comp_vector)
{
if (comp_vector < 0 || comp_vector >= device->num_comp_vectors ||
- !device->get_vector_affinity)
+ !device->ops.get_vector_affinity)
return NULL;
- return device->get_vector_affinity(device, comp_vector);
+ return device->ops.get_vector_affinity(device, comp_vector);
}
diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h
index 7f83265f6298..839a857aa329 100644
--- a/include/rdma/uverbs_ioctl.h
+++ b/include/rdma/uverbs_ioctl.h
@@ -419,10 +419,10 @@ struct uapi_definition {
.kind = UAPI_DEF_IS_SUPPORTED_DEV_FN, \
.scope = UAPI_SCOPE_OBJECT, \
.needs_fn_offset = \
- offsetof(struct ib_device, ibdev_fn) + \
+ offsetof(struct ib_device_ops, ibdev_fn) + \
BUILD_BUG_ON_ZERO( \
- sizeof(((struct ib_device *)0)->ibdev_fn) != \
- sizeof(void *)), \
+ sizeof(((struct ib_device_ops *)0)->ibdev_fn) != \
+ sizeof(void *)), \
}
/*
@@ -434,10 +434,10 @@ struct uapi_definition {
.kind = UAPI_DEF_IS_SUPPORTED_DEV_FN, \
.scope = UAPI_SCOPE_METHOD, \
.needs_fn_offset = \
- offsetof(struct ib_device, ibdev_fn) + \
+ offsetof(struct ib_device_ops, ibdev_fn) + \
BUILD_BUG_ON_ZERO( \
- sizeof(((struct ib_device *)0)->ibdev_fn) != \
- sizeof(void *)), \
+ sizeof(((struct ib_device_ops *)0)->ibdev_fn) != \
+ sizeof(void *)), \
}
/* Call a function to determine if the entire object is supported or not */