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Diffstat (limited to 'include/linux/nvme.h')
-rw-r--r--include/linux/nvme.h18
1 files changed, 12 insertions, 6 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 2bf403195c09..258945fcabf1 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -19,6 +19,7 @@
#include <linux/pci.h>
#include <linux/miscdevice.h>
#include <linux/kref.h>
+#include <linux/blk-mq.h>
struct nvme_bar {
__u64 cap; /* Controller Capabilities */
@@ -38,6 +39,7 @@ struct nvme_bar {
#define NVME_CAP_TIMEOUT(cap) (((cap) >> 24) & 0xff)
#define NVME_CAP_STRIDE(cap) (((cap) >> 32) & 0xf)
#define NVME_CAP_MPSMIN(cap) (((cap) >> 48) & 0xf)
+#define NVME_CAP_MPSMAX(cap) (((cap) >> 52) & 0xf)
enum {
NVME_CC_ENABLE = 1 << 0,
@@ -70,8 +72,10 @@ extern unsigned char nvme_io_timeout;
*/
struct nvme_dev {
struct list_head node;
- struct nvme_queue __rcu **queues;
- unsigned short __percpu *io_queue;
+ struct nvme_queue **queues;
+ struct request_queue *admin_q;
+ struct blk_mq_tag_set tagset;
+ struct blk_mq_tag_set admin_tagset;
u32 __iomem *dbs;
struct pci_dev *pci_dev;
struct dma_pool *prp_page_pool;
@@ -90,15 +94,16 @@ struct nvme_dev {
struct miscdevice miscdev;
work_func_t reset_workfn;
struct work_struct reset_work;
- struct work_struct cpu_work;
char name[12];
char serial[20];
char model[40];
char firmware_rev[8];
u32 max_hw_sectors;
u32 stripe_size;
+ u32 page_size;
u16 oncs;
u16 abort_limit;
+ u8 event_limit;
u8 vwc;
u8 initialized;
};
@@ -132,7 +137,6 @@ struct nvme_iod {
int offset; /* Of PRP list */
int nents; /* Used in scatterlist */
int length; /* Of data, in bytes */
- unsigned long start_time;
dma_addr_t first_dma;
struct list_head node;
struct scatterlist sg[0];
@@ -150,12 +154,14 @@ static inline u64 nvme_block_nr(struct nvme_ns *ns, sector_t sector)
*/
void nvme_free_iod(struct nvme_dev *dev, struct nvme_iod *iod);
-int nvme_setup_prps(struct nvme_dev *, struct nvme_iod *, int , gfp_t);
+int nvme_setup_prps(struct nvme_dev *, struct nvme_iod *, int, gfp_t);
struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write,
unsigned long addr, unsigned length);
void nvme_unmap_user_pages(struct nvme_dev *dev, int write,
struct nvme_iod *iod);
-int nvme_submit_io_cmd(struct nvme_dev *, struct nvme_command *, u32 *);
+int nvme_submit_io_cmd(struct nvme_dev *, struct nvme_ns *,
+ struct nvme_command *, u32 *);
+int nvme_submit_flush_data(struct nvme_queue *nvmeq, struct nvme_ns *ns);
int nvme_submit_admin_cmd(struct nvme_dev *, struct nvme_command *,
u32 *result);
int nvme_identify(struct nvme_dev *, unsigned nsid, unsigned cns,