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path: root/drivers/infiniband/core/uverbs_cmd.c
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Diffstat (limited to 'drivers/infiniband/core/uverbs_cmd.c')
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c102
1 files changed, 96 insertions, 6 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index b4b395a054ac..7b7a76e1279a 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -316,6 +316,7 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
struct ib_udata udata;
struct ib_ucontext *ucontext;
struct file *filp;
+ struct ib_rdmacg_object cg_obj;
int ret;
if (out_len < sizeof resp)
@@ -335,13 +336,18 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
(unsigned long) cmd.response + sizeof resp,
in_len - sizeof cmd, out_len - sizeof resp);
+ ret = ib_rdmacg_try_charge(&cg_obj, ib_dev, RDMACG_RESOURCE_HCA_HANDLE);
+ if (ret)
+ goto err;
+
ucontext = ib_dev->alloc_ucontext(ib_dev, &udata);
if (IS_ERR(ucontext)) {
ret = PTR_ERR(ucontext);
- goto err;
+ goto err_alloc;
}
ucontext->device = ib_dev;
+ ucontext->cg_obj = cg_obj;
INIT_LIST_HEAD(&ucontext->pd_list);
INIT_LIST_HEAD(&ucontext->mr_list);
INIT_LIST_HEAD(&ucontext->mw_list);
@@ -407,6 +413,9 @@ err_free:
put_pid(ucontext->tgid);
ib_dev->dealloc_ucontext(ucontext);
+err_alloc:
+ ib_rdmacg_uncharge(&cg_obj, ib_dev, RDMACG_RESOURCE_HCA_HANDLE);
+
err:
mutex_unlock(&file->mutex);
return ret;
@@ -561,6 +570,13 @@ ssize_t ib_uverbs_alloc_pd(struct ib_uverbs_file *file,
return -ENOMEM;
init_uobj(uobj, 0, file->ucontext, &pd_lock_class);
+ ret = ib_rdmacg_try_charge(&uobj->cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
+ if (ret) {
+ kfree(uobj);
+ return ret;
+ }
+
down_write(&uobj->mutex);
pd = ib_dev->alloc_pd(ib_dev, file->ucontext, &udata);
@@ -605,6 +621,7 @@ err_idr:
ib_dealloc_pd(pd);
err:
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
put_uobj_write(uobj);
return ret;
}
@@ -637,6 +654,8 @@ ssize_t ib_uverbs_dealloc_pd(struct ib_uverbs_file *file,
if (ret)
goto err_put;
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
uobj->live = 0;
put_uobj_write(uobj);
@@ -1006,6 +1025,10 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file,
goto err_put;
}
}
+ ret = ib_rdmacg_try_charge(&uobj->cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
+ if (ret)
+ goto err_charge;
mr = pd->device->reg_user_mr(pd, cmd.start, cmd.length, cmd.hca_va,
cmd.access_flags, &udata);
@@ -1054,6 +1077,9 @@ err_unreg:
ib_dereg_mr(mr);
err_put:
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
+err_charge:
put_pd_read(pd);
err_free:
@@ -1178,6 +1204,8 @@ ssize_t ib_uverbs_dereg_mr(struct ib_uverbs_file *file,
if (ret)
return ret;
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
idr_remove_uobj(&ib_uverbs_mr_idr, uobj);
mutex_lock(&file->mutex);
@@ -1226,6 +1254,11 @@ ssize_t ib_uverbs_alloc_mw(struct ib_uverbs_file *file,
in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr),
out_len - sizeof(resp));
+ ret = ib_rdmacg_try_charge(&uobj->cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
+ if (ret)
+ goto err_charge;
+
mw = pd->device->alloc_mw(pd, cmd.mw_type, &udata);
if (IS_ERR(mw)) {
ret = PTR_ERR(mw);
@@ -1271,6 +1304,9 @@ err_unalloc:
uverbs_dealloc_mw(mw);
err_put:
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
+err_charge:
put_pd_read(pd);
err_free:
@@ -1306,6 +1342,8 @@ ssize_t ib_uverbs_dealloc_mw(struct ib_uverbs_file *file,
if (ret)
return ret;
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
idr_remove_uobj(&ib_uverbs_mw_idr, uobj);
mutex_lock(&file->mutex);
@@ -1405,6 +1443,11 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file,
if (cmd_sz > offsetof(typeof(*cmd), flags) + sizeof(cmd->flags))
attr.flags = cmd->flags;
+ ret = ib_rdmacg_try_charge(&obj->uobject.cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
+ if (ret)
+ goto err_charge;
+
cq = ib_dev->create_cq(ib_dev, &attr,
file->ucontext, uhw);
if (IS_ERR(cq)) {
@@ -1452,6 +1495,10 @@ err_free:
ib_destroy_cq(cq);
err_file:
+ ib_rdmacg_uncharge(&obj->uobject.cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
+
+err_charge:
if (ev_file)
ib_uverbs_release_ucq(file, ev_file, obj);
@@ -1732,6 +1779,8 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file,
if (ret)
return ret;
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
idr_remove_uobj(&ib_uverbs_cq_idr, uobj);
mutex_lock(&file->mutex);
@@ -1905,6 +1954,11 @@ static int create_qp(struct ib_uverbs_file *file,
goto err_put;
}
+ ret = ib_rdmacg_try_charge(&obj->uevent.uobject.cg_obj, device,
+ RDMACG_RESOURCE_HCA_OBJECT);
+ if (ret)
+ goto err_put;
+
if (cmd->qp_type == IB_QPT_XRC_TGT)
qp = ib_create_qp(pd, &attr);
else
@@ -1912,7 +1966,7 @@ static int create_qp(struct ib_uverbs_file *file,
if (IS_ERR(qp)) {
ret = PTR_ERR(qp);
- goto err_put;
+ goto err_create;
}
if (cmd->qp_type != IB_QPT_XRC_TGT) {
@@ -1993,6 +2047,10 @@ err_cb:
err_destroy:
ib_destroy_qp(qp);
+err_create:
+ ib_rdmacg_uncharge(&obj->uevent.uobject.cg_obj, device,
+ RDMACG_RESOURCE_HCA_OBJECT);
+
err_put:
if (xrcd)
put_xrcd_read(xrcd_uobj);
@@ -2519,6 +2577,8 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file,
if (ret)
return ret;
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
if (obj->uxrcd)
atomic_dec(&obj->uxrcd->refcnt);
@@ -2970,11 +3030,16 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file,
memset(&attr.dmac, 0, sizeof(attr.dmac));
memcpy(attr.grh.dgid.raw, cmd.attr.grh.dgid, 16);
+ ret = ib_rdmacg_try_charge(&uobj->cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
+ if (ret)
+ goto err_charge;
+
ah = pd->device->create_ah(pd, &attr, &udata);
if (IS_ERR(ah)) {
ret = PTR_ERR(ah);
- goto err_put;
+ goto err_create;
}
ah->device = pd->device;
@@ -3013,7 +3078,10 @@ err_copy:
err_destroy:
ib_destroy_ah(ah);
-err_put:
+err_create:
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
+err_charge:
put_pd_read(pd);
err:
@@ -3047,6 +3115,8 @@ ssize_t ib_uverbs_destroy_ah(struct ib_uverbs_file *file,
if (ret)
return ret;
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
idr_remove_uobj(&ib_uverbs_ah_idr, uobj);
mutex_lock(&file->mutex);
@@ -3861,10 +3931,16 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
err = -EINVAL;
goto err_free;
}
+
+ err = ib_rdmacg_try_charge(&uobj->cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
+ if (err)
+ goto err_free;
+
flow_id = ib_create_flow(qp, flow_attr, IB_FLOW_DOMAIN_USER);
if (IS_ERR(flow_id)) {
err = PTR_ERR(flow_id);
- goto err_free;
+ goto err_create;
}
flow_id->uobject = uobj;
uobj->object = flow_id;
@@ -3897,6 +3973,8 @@ err_copy:
idr_remove_uobj(&ib_uverbs_rule_idr, uobj);
destroy_flow:
ib_destroy_flow(flow_id);
+err_create:
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
err_free:
kfree(flow_attr);
err_put:
@@ -3936,8 +4014,11 @@ int ib_uverbs_ex_destroy_flow(struct ib_uverbs_file *file,
flow_id = uobj->object;
ret = ib_destroy_flow(flow_id);
- if (!ret)
+ if (!ret) {
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
uobj->live = 0;
+ }
put_uobj_write(uobj);
@@ -4005,6 +4086,11 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file,
obj->uevent.events_reported = 0;
INIT_LIST_HEAD(&obj->uevent.event_list);
+ ret = ib_rdmacg_try_charge(&obj->uevent.uobject.cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
+ if (ret)
+ goto err_put_cq;
+
srq = pd->device->create_srq(pd, &attr, udata);
if (IS_ERR(srq)) {
ret = PTR_ERR(srq);
@@ -4069,6 +4155,8 @@ err_destroy:
ib_destroy_srq(srq);
err_put:
+ ib_rdmacg_uncharge(&obj->uevent.uobject.cg_obj, ib_dev,
+ RDMACG_RESOURCE_HCA_OBJECT);
put_pd_read(pd);
err_put_cq:
@@ -4255,6 +4343,8 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file,
if (ret)
return ret;
+ ib_rdmacg_uncharge(&uobj->cg_obj, ib_dev, RDMACG_RESOURCE_HCA_OBJECT);
+
if (srq_type == IB_SRQT_XRC) {
us = container_of(obj, struct ib_usrq_object, uevent);
atomic_dec(&us->uxrcd->refcnt);
generated by cgit (git 2.34.1) at 2024-05-27 10:04:10 +0000