#include <linux/atomic.h>
#include <linux/mmu_notifier.h>
#include <linux/uaccess.h>
+#include <linux/cgroup_rdma.h>
extern struct workqueue_struct *ib_wq;
extern struct workqueue_struct *ib_comp_wq;
struct ib_umem;
+struct ib_rdmacg_object {
+#ifdef CONFIG_CGROUP_RDMA
+ struct rdma_cgroup *cg; /* owner rdma cgroup */
+#endif
+};
+
struct ib_ucontext {
struct ib_device *device;
struct list_head pd_list;
struct list_head no_private_counters;
int odp_mrs_count;
#endif
+
+ struct ib_rdmacg_object cg_obj;
};
struct ib_uobject {
struct ib_ucontext *context; /* associated user context */
void *object; /* containing object */
struct list_head list; /* link to context's list */
+ struct ib_rdmacg_object cg_obj; /* rdmacg object */
int id; /* index into kernel idr */
struct kref ref;
struct rw_semaphore mutex; /* protects .live */
struct ib_port_cache *ports;
};
-struct ib_dma_mapping_ops {
- int (*mapping_error)(struct ib_device *dev,
- u64 dma_addr);
- u64 (*map_single)(struct ib_device *dev,
- void *ptr, size_t size,
- enum dma_data_direction direction);
- void (*unmap_single)(struct ib_device *dev,
- u64 addr, size_t size,
- enum dma_data_direction direction);
- u64 (*map_page)(struct ib_device *dev,
- struct page *page, unsigned long offset,
- size_t size,
- enum dma_data_direction direction);
- void (*unmap_page)(struct ib_device *dev,
- u64 addr, size_t size,
- enum dma_data_direction direction);
- int (*map_sg)(struct ib_device *dev,
- struct scatterlist *sg, int nents,
- enum dma_data_direction direction);
- void (*unmap_sg)(struct ib_device *dev,
- struct scatterlist *sg, int nents,
- enum dma_data_direction direction);
- int (*map_sg_attrs)(struct ib_device *dev,
- struct scatterlist *sg, int nents,
- enum dma_data_direction direction,
- unsigned long attrs);
- void (*unmap_sg_attrs)(struct ib_device *dev,
- struct scatterlist *sg, int nents,
- enum dma_data_direction direction,
- unsigned long attrs);
- void (*sync_single_for_cpu)(struct ib_device *dev,
- u64 dma_handle,
- size_t size,
- enum dma_data_direction dir);
- void (*sync_single_for_device)(struct ib_device *dev,
- u64 dma_handle,
- size_t size,
- enum dma_data_direction dir);
- void *(*alloc_coherent)(struct ib_device *dev,
- size_t size,
- u64 *dma_handle,
- gfp_t flag);
- void (*free_coherent)(struct ib_device *dev,
- size_t size, void *cpu_addr,
- u64 dma_handle);
-};
-
struct iw_cm_verbs;
struct ib_port_immutable {
};
struct ib_device {
+ /* Do not access @dma_device directly from ULP nor from HW drivers. */
struct device *dma_device;
char name[IB_DEVICE_NAME_MAX];
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_dma_mapping_ops *dma_ops;
struct module *owner;
struct device dev;
struct attribute_group *hw_stats_ag;
struct rdma_hw_stats *hw_stats;
+#ifdef CONFIG_CGROUP_RDMA
+ struct rdmacg_device cg_device;
+#endif
+
/**
* The following mandatory functions are used only at device
* registration. Keep functions such as these at the end of this
*/
static inline int ib_dma_mapping_error(struct ib_device *dev, u64 dma_addr)
{
- if (dev->dma_ops)
- return dev->dma_ops->mapping_error(dev, dma_addr);
return dma_mapping_error(dev->dma_device, dma_addr);
}
void *cpu_addr, size_t size,
enum dma_data_direction direction)
{
- if (dev->dma_ops)
- return dev->dma_ops->map_single(dev, cpu_addr, size, direction);
return dma_map_single(dev->dma_device, cpu_addr, size, direction);
}
u64 addr, size_t size,
enum dma_data_direction direction)
{
- if (dev->dma_ops)
- dev->dma_ops->unmap_single(dev, addr, size, direction);
- else
- dma_unmap_single(dev->dma_device, addr, size, direction);
-}
-
-static inline u64 ib_dma_map_single_attrs(struct ib_device *dev,
- void *cpu_addr, size_t size,
- enum dma_data_direction direction,
- unsigned long dma_attrs)
-{
- return dma_map_single_attrs(dev->dma_device, cpu_addr, size,
- direction, dma_attrs);
-}
-
-static inline void ib_dma_unmap_single_attrs(struct ib_device *dev,
- u64 addr, size_t size,
- enum dma_data_direction direction,
- unsigned long dma_attrs)
-{
- return dma_unmap_single_attrs(dev->dma_device, addr, size,
- direction, dma_attrs);
+ dma_unmap_single(dev->dma_device, addr, size, direction);
}
/**
size_t size,
enum dma_data_direction direction)
{
- if (dev->dma_ops)
- return dev->dma_ops->map_page(dev, page, offset, size, direction);
return dma_map_page(dev->dma_device, page, offset, size, direction);
}
u64 addr, size_t size,
enum dma_data_direction direction)
{
- if (dev->dma_ops)
- dev->dma_ops->unmap_page(dev, addr, size, direction);
- else
- dma_unmap_page(dev->dma_device, addr, size, direction);
+ dma_unmap_page(dev->dma_device, addr, size, direction);
}
/**
struct scatterlist *sg, int nents,
enum dma_data_direction direction)
{
- if (dev->dma_ops)
- return dev->dma_ops->map_sg(dev, sg, nents, direction);
return dma_map_sg(dev->dma_device, sg, nents, direction);
}
struct scatterlist *sg, int nents,
enum dma_data_direction direction)
{
- if (dev->dma_ops)
- dev->dma_ops->unmap_sg(dev, sg, nents, direction);
- else
- dma_unmap_sg(dev->dma_device, sg, nents, direction);
+ dma_unmap_sg(dev->dma_device, sg, nents, direction);
}
static inline int ib_dma_map_sg_attrs(struct ib_device *dev,
enum dma_data_direction direction,
unsigned long dma_attrs)
{
- if (dev->dma_ops)
- return dev->dma_ops->map_sg_attrs(dev, sg, nents, direction,
- dma_attrs);
- else
- return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
- dma_attrs);
+ return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
+ dma_attrs);
}
static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev,
enum dma_data_direction direction,
unsigned long dma_attrs)
{
- if (dev->dma_ops)
- return dev->dma_ops->unmap_sg_attrs(dev, sg, nents, direction,
- dma_attrs);
- else
- dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction,
- dma_attrs);
+ dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, dma_attrs);
}
/**
* ib_sg_dma_address - Return the DMA address from a scatter/gather entry
size_t size,
enum dma_data_direction dir)
{
- if (dev->dma_ops)
- dev->dma_ops->sync_single_for_cpu(dev, addr, size, dir);
- else
- dma_sync_single_for_cpu(dev->dma_device, addr, size, dir);
+ dma_sync_single_for_cpu(dev->dma_device, addr, size, dir);
}
/**
size_t size,
enum dma_data_direction dir)
{
- if (dev->dma_ops)
- dev->dma_ops->sync_single_for_device(dev, addr, size, dir);
- else
- dma_sync_single_for_device(dev->dma_device, addr, size, dir);
+ dma_sync_single_for_device(dev->dma_device, addr, size, dir);
}
/**
*/
static inline void *ib_dma_alloc_coherent(struct ib_device *dev,
size_t size,
- u64 *dma_handle,
+ dma_addr_t *dma_handle,
gfp_t flag)
{
- if (dev->dma_ops)
- return dev->dma_ops->alloc_coherent(dev, size, dma_handle, flag);
- else {
- dma_addr_t handle;
- void *ret;
-
- ret = dma_alloc_coherent(dev->dma_device, size, &handle, flag);
- *dma_handle = handle;
- return ret;
- }
+ return dma_alloc_coherent(dev->dma_device, size, dma_handle, flag);
}
/**
*/
static inline void ib_dma_free_coherent(struct ib_device *dev,
size_t size, void *cpu_addr,
- u64 dma_handle)
+ dma_addr_t dma_handle)
{
- if (dev->dma_ops)
- dev->dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
- else
- dma_free_coherent(dev->dma_device, size, cpu_addr, dma_handle);
+ dma_free_coherent(dev->dma_device, size, cpu_addr, dma_handle);
}
/**
projects / karo-tx-linux.git / blobdiff