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authorLeon Romanovsky <leonro@nvidia.com>2021-07-23 14:39:50 +0300
committerJason Gunthorpe <jgg@nvidia.com>2021-08-03 19:44:27 +0300
commit514aee660df493cd673154a6ba6bab745ec47b8c (patch)
tree7a8419624a44f617b4bfee52ba38c54bd1ab90d7 /include/rdma
parent44da3730e046a784d088157175d9418ba60661fc (diff)
downloadlinux-514aee660df493cd673154a6ba6bab745ec47b8c.tar.xz
RDMA: Globally allocate and release QP memory
Convert QP object to follow IB/core general allocation scheme. That change allows us to make sure that restrack properly kref the memory. Link: https://lore.kernel.org/r/48e767124758aeecc433360ddd85eaa6325b34d9.1627040189.git.leonro@nvidia.com Reviewed-by: Gal Pressman <galpress@amazon.com> #efa Tested-by: Gal Pressman <galpress@amazon.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> #rdma and core Tested-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Tested-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h30
1 files changed, 25 insertions, 5 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 371df1c80aeb..6737582e9e2e 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2268,8 +2268,13 @@ struct iw_cm_conn_param;
!__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_gfp(ib_dev, ib_type, gfp) \
+ ((struct ib_type *)rdma_zalloc_obj(ib_dev, ib_dev->ops.size_##ib_type, \
+ gfp, false))
+
+#define rdma_zalloc_drv_obj_numa(ib_dev, ib_type) \
+ ((struct ib_type *)rdma_zalloc_obj(ib_dev, ib_dev->ops.size_##ib_type, \
+ GFP_KERNEL, true))
#define rdma_zalloc_drv_obj(ib_dev, ib_type) \
rdma_zalloc_drv_obj_gfp(ib_dev, ib_type, GFP_KERNEL)
@@ -2435,9 +2440,8 @@ struct ib_device_ops {
struct ib_udata *udata);
int (*query_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
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);
+ int (*create_qp)(struct ib_qp *qp, 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,
@@ -2635,11 +2639,18 @@ struct ib_device_ops {
int (*query_ucontext)(struct ib_ucontext *context,
struct uverbs_attr_bundle *attrs);
+ /*
+ * Provide NUMA node. This API exists for rdmavt/hfi1 only.
+ * Everyone else relies on Linux memory management model.
+ */
+ int (*get_numa_node)(struct ib_device *dev);
+
DECLARE_RDMA_OBJ_SIZE(ib_ah);
DECLARE_RDMA_OBJ_SIZE(ib_counters);
DECLARE_RDMA_OBJ_SIZE(ib_cq);
DECLARE_RDMA_OBJ_SIZE(ib_mw);
DECLARE_RDMA_OBJ_SIZE(ib_pd);
+ DECLARE_RDMA_OBJ_SIZE(ib_qp);
DECLARE_RDMA_OBJ_SIZE(ib_rwq_ind_table);
DECLARE_RDMA_OBJ_SIZE(ib_srq);
DECLARE_RDMA_OBJ_SIZE(ib_ucontext);
@@ -2746,6 +2757,15 @@ struct ib_device {
u32 lag_flags;
};
+static inline void *rdma_zalloc_obj(struct ib_device *dev, size_t size,
+ gfp_t gfp, bool is_numa_aware)
+{
+ if (is_numa_aware && dev->ops.get_numa_node)
+ return kzalloc_node(size, gfp, dev->ops.get_numa_node(dev));
+
+ return kzalloc(size, gfp);
+}
+
struct ib_client_nl_info;
struct ib_client {
const char *name;