diff options
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_hdrs.h | 1 | ||||
| -rw-r--r-- | include/rdma/ib_umem.h | 11 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 74 | ||||
| -rw-r--r-- | include/rdma/rdma_counter.h | 2 |
4 files changed, 62 insertions, 26 deletions
diff --git a/include/rdma/ib_hdrs.h b/include/rdma/ib_hdrs.h index 7e542205861c..8ae07c0ecdf7 100644 --- a/include/rdma/ib_hdrs.h +++ b/include/rdma/ib_hdrs.h @@ -232,6 +232,7 @@ static inline u32 ib_get_sqpn(struct ib_other_headers *ohdr) #define IB_BTH_SE_SHIFT 23 #define IB_BTH_TVER_MASK 0xf #define IB_BTH_TVER_SHIFT 16 +#define IB_BTH_OPCODE_CNP 0x81 static inline u8 ib_bth_get_pad(struct ib_other_headers *ohdr) { diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h index 5ae9dff74dac..92a673cd9b4f 100644 --- a/include/rdma/ib_umem.h +++ b/include/rdma/ib_umem.h @@ -38,6 +38,7 @@ struct ib_umem_dmabuf { unsigned long first_sg_offset; unsigned long last_sg_trim; void *private; + u8 pinned : 1; }; static inline struct ib_umem_dmabuf *to_ib_umem_dmabuf(struct ib_umem *umem) @@ -139,6 +140,10 @@ struct ib_umem_dmabuf *ib_umem_dmabuf_get(struct ib_device *device, unsigned long offset, size_t size, int fd, int access, const struct dma_buf_attach_ops *ops); +struct ib_umem_dmabuf *ib_umem_dmabuf_get_pinned(struct ib_device *device, + unsigned long offset, + size_t size, int fd, + int access); int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf); void ib_umem_dmabuf_unmap_pages(struct ib_umem_dmabuf *umem_dmabuf); void ib_umem_dmabuf_release(struct ib_umem_dmabuf *umem_dmabuf); @@ -179,6 +184,12 @@ struct ib_umem_dmabuf *ib_umem_dmabuf_get(struct ib_device *device, { return ERR_PTR(-EOPNOTSUPP); } +static inline struct ib_umem_dmabuf * +ib_umem_dmabuf_get_pinned(struct ib_device *device, unsigned long offset, + size_t size, int fd, int access) +{ + return ERR_PTR(-EOPNOTSUPP); +} static inline int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf) { return -EOPNOTSUPP; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 4b50d9a3018a..6e9ad656ecb7 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -545,6 +545,22 @@ enum ib_port_speed { IB_SPEED_NDR = 128, }; +enum ib_stat_flag { + IB_STAT_FLAG_OPTIONAL = 1 << 0, +}; + +/** + * struct rdma_stat_desc + * @name - The name of the counter + * @flags - Flags of the counter; For example, IB_STAT_FLAG_OPTIONAL + * @priv - Driver private information; Core code should not use + */ +struct rdma_stat_desc { + const char *name; + unsigned int flags; + const void *priv; +}; + /** * struct rdma_hw_stats * @lock - Mutex to protect parallel write access to lifespan and values @@ -555,8 +571,10 @@ enum ib_port_speed { * should be before being updated again. Stored in jiffies, defaults * to 10 milliseconds, drivers can override the default be specifying * their own value during their allocation routine. - * @name - Array of pointers to static names used for the counters in - * directory. + * @descs - Array of pointers to static descriptors used for the counters + * in directory. + * @is_disabled - A bitmap to indicate each counter is currently disabled + * or not. * @num_counters - How many hardware counters there are. If name is * shorter than this number, a kernel oops will result. Driver authors * are encouraged to leave BUILD_BUG_ON(ARRAY_SIZE(@name) < num_counters) @@ -568,36 +586,19 @@ struct rdma_hw_stats { struct mutex lock; /* Protect lifespan and values[] */ unsigned long timestamp; unsigned long lifespan; - const char * const *names; + const struct rdma_stat_desc *descs; + unsigned long *is_disabled; int num_counters; u64 value[]; }; #define RDMA_HW_STATS_DEFAULT_LIFESPAN 10 -/** - * rdma_alloc_hw_stats_struct - Helper function to allocate dynamic struct - * for drivers. - * @names - Array of static const char * - * @num_counters - How many elements in array - * @lifespan - How many milliseconds between updates - */ -static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct( - const char * const *names, int num_counters, - unsigned long lifespan) -{ - struct rdma_hw_stats *stats; - stats = kzalloc(sizeof(*stats) + num_counters * sizeof(u64), - GFP_KERNEL); - if (!stats) - return NULL; - stats->names = names; - stats->num_counters = num_counters; - stats->lifespan = msecs_to_jiffies(lifespan); - - return stats; -} +struct rdma_hw_stats *rdma_alloc_hw_stats_struct( + const struct rdma_stat_desc *descs, int num_counters, + unsigned long lifespan); +void rdma_free_hw_stats_struct(struct rdma_hw_stats *stats); /* Define bits for the various functionality this port needs to be supported by * the core. @@ -2570,6 +2571,13 @@ struct ib_device_ops { struct rdma_hw_stats *stats, u32 port, int index); /** + * modify_hw_stat - Modify the counter configuration + * @enable: true/false when enable/disable a counter + * Return codes - 0 on success or error code otherwise. + */ + int (*modify_hw_stat)(struct ib_device *device, u32 port, + unsigned int counter_index, bool enable); + /** * Allows rdma drivers to add their own restrack attributes. */ int (*fill_res_mr_entry)(struct sk_buff *msg, struct ib_mr *ibmr); @@ -2906,6 +2914,15 @@ int rdma_user_mmap_entry_insert_range(struct ib_ucontext *ucontext, size_t length, u32 min_pgoff, u32 max_pgoff); +static inline int +rdma_user_mmap_entry_insert_exact(struct ib_ucontext *ucontext, + struct rdma_user_mmap_entry *entry, + size_t length, u32 pgoff) +{ + return rdma_user_mmap_entry_insert_range(ucontext, entry, length, pgoff, + pgoff); +} + struct rdma_user_mmap_entry * rdma_user_mmap_entry_get_pgoff(struct ib_ucontext *ucontext, unsigned long pgoff); @@ -4097,8 +4114,13 @@ static inline int ib_dma_map_sgtable_attrs(struct ib_device *dev, enum dma_data_direction direction, unsigned long dma_attrs) { + int nents; + if (ib_uses_virt_dma(dev)) { - ib_dma_virt_map_sg(dev, sgt->sgl, sgt->orig_nents); + nents = ib_dma_virt_map_sg(dev, sgt->sgl, sgt->orig_nents); + if (!nents) + return -EIO; + sgt->nents = nents; return 0; } return dma_map_sgtable(dev->dma_device, sgt, direction, dma_attrs); diff --git a/include/rdma/rdma_counter.h b/include/rdma/rdma_counter.h index 0295b22cd1cd..45d5481a7846 100644 --- a/include/rdma/rdma_counter.h +++ b/include/rdma/rdma_counter.h @@ -63,4 +63,6 @@ int rdma_counter_get_mode(struct ib_device *dev, u32 port, enum rdma_nl_counter_mode *mode, enum rdma_nl_counter_mask *mask); +int rdma_counter_modify(struct ib_device *dev, u32 port, + unsigned int index, bool enable); #endif /* _RDMA_COUNTER_H_ */ |