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path: root/drivers/infiniband/hw/hns/hns_roce_device.h
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Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_device.h')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_device.h26
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 9467c39e3d28..43e17d61cb63 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -225,11 +225,24 @@ struct hns_roce_uar {
unsigned long logic_idx;
};
+enum hns_roce_mmap_type {
+ HNS_ROCE_MMAP_TYPE_DB = 1,
+ HNS_ROCE_MMAP_TYPE_TPTR,
+};
+
+struct hns_user_mmap_entry {
+ struct rdma_user_mmap_entry rdma_entry;
+ enum hns_roce_mmap_type mmap_type;
+ u64 address;
+};
+
struct hns_roce_ucontext {
struct ib_ucontext ibucontext;
struct hns_roce_uar uar;
struct list_head page_list;
struct mutex page_mutex;
+ struct hns_user_mmap_entry *db_mmap_entry;
+ struct hns_user_mmap_entry *tptr_mmap_entry;
};
struct hns_roce_pd {
@@ -898,7 +911,8 @@ struct hns_roce_hw {
bool (*chk_mbox_avail)(struct hns_roce_dev *hr_dev, bool *is_busy);
int (*set_gid)(struct hns_roce_dev *hr_dev, u32 port, int gid_index,
const union ib_gid *gid, const struct ib_gid_attr *attr);
- int (*set_mac)(struct hns_roce_dev *hr_dev, u8 phy_port, u8 *addr);
+ int (*set_mac)(struct hns_roce_dev *hr_dev, u8 phy_port,
+ const u8 *addr);
void (*set_mtu)(struct hns_roce_dev *hr_dev, u8 phy_port,
enum ib_mtu mtu);
int (*write_mtpt)(struct hns_roce_dev *hr_dev, void *mb_buf,
@@ -1049,6 +1063,12 @@ static inline struct hns_roce_srq *to_hr_srq(struct ib_srq *ibsrq)
return container_of(ibsrq, struct hns_roce_srq, ibsrq);
}
+static inline struct hns_user_mmap_entry *
+to_hns_mmap(struct rdma_user_mmap_entry *rdma_entry)
+{
+ return container_of(rdma_entry, struct hns_user_mmap_entry, rdma_entry);
+}
+
static inline void hns_roce_write64_k(__le32 val[2], void __iomem *dest)
{
writeq(*(u64 *)val, dest);
@@ -1259,4 +1279,8 @@ int hns_roce_init(struct hns_roce_dev *hr_dev);
void hns_roce_exit(struct hns_roce_dev *hr_dev);
int hns_roce_fill_res_cq_entry(struct sk_buff *msg,
struct ib_cq *ib_cq);
+struct hns_user_mmap_entry *
+hns_roce_user_mmap_entry_insert(struct ib_ucontext *ucontext, u64 address,
+ size_t length,
+ enum hns_roce_mmap_type mmap_type);
#endif /* _HNS_ROCE_DEVICE_H */