Merge branch 'for-4.9/block-irq' of git://git.kernel.dk/linux-block

[cascardo/linux.git] / drivers / nvme / host / nvme.h

diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 99e4c16..d47f5a5 100644 (file)
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -18,6 +18,7 @@
 #include <linux/pci.h>
 #include <linux/kref.h>
 #include <linux/blk-mq.h>
+#include <linux/lightnvm.h>
 
 enum {
        /*
@@ -154,6 +155,7 @@ struct nvme_ns {
        struct nvme_ctrl *ctrl;
        struct request_queue *queue;
        struct gendisk *disk;
+       struct nvm_dev *ndev;
        struct kref kref;
        int instance;
 
@@ -165,7 +167,6 @@ struct nvme_ns {
        u16 ms;
        bool ext;
        u8 pi_type;
-       int type;
        unsigned long flags;
 
 #define NVME_NS_REMOVING 0
@@ -291,9 +292,9 @@ int nvme_identify_ns(struct nvme_ctrl *dev, unsigned nsid,
                struct nvme_id_ns **id);
 int nvme_get_log_page(struct nvme_ctrl *dev, struct nvme_smart_log **log);
 int nvme_get_features(struct nvme_ctrl *dev, unsigned fid, unsigned nsid,
-                       dma_addr_t dma_addr, u32 *result);
+                     void *buffer, size_t buflen, u32 *result);
 int nvme_set_features(struct nvme_ctrl *dev, unsigned fid, unsigned dword11,
-                       dma_addr_t dma_addr, u32 *result);
+                     void *buffer, size_t buflen, u32 *result);
 int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count);
 void nvme_start_keep_alive(struct nvme_ctrl *ctrl);
 void nvme_stop_keep_alive(struct nvme_ctrl *ctrl);
@@ -306,20 +307,35 @@ int nvme_sg_get_version_num(int __user *ip);
 
 #ifdef CONFIG_NVM
 int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id);
-int nvme_nvm_register(struct request_queue *q, char *disk_name);
-void nvme_nvm_unregister(struct request_queue *q, char *disk_name);
+int nvme_nvm_register(struct nvme_ns *ns, char *disk_name, int node,
+                     const struct attribute_group *attrs);
+void nvme_nvm_unregister(struct nvme_ns *ns);
+
+static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev)
+{
+       if (dev->type->devnode)
+               return dev_to_disk(dev)->private_data;
+
+       return (container_of(dev, struct nvm_dev, dev))->private_data;
+}
 #else
-static inline int nvme_nvm_register(struct request_queue *q, char *disk_name)
+static inline int nvme_nvm_register(struct nvme_ns *ns, char *disk_name,
+                                   int node,
+                                   const struct attribute_group *attrs)
 {
        return 0;
 }
 
-static inline void nvme_nvm_unregister(struct request_queue *q, char *disk_name) {};
+static inline void nvme_nvm_unregister(struct nvme_ns *ns) {};
 
 static inline int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id)
 {
        return 0;
 }
+static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev)
+{
+       return dev_to_disk(dev)->private_data;
+}
 #endif /* CONFIG_NVM */
 
 int __init nvme_core_init(void);