nvme: Remove useless defines

These are leftover when the driver was ported from Linux and are not
used by the U-Boot driver.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

drivers/nvme/nvme.h

@@ -528,42 +528,6 @@ struct nvme_completion {
 	__le16	status;		/* did the command fail, and if so, why? */
 };
 
-struct nvme_user_io {
-	__u8	opcode;
-	__u8	flags;
-	__u16	control;
-	__u16	nblocks;
-	__u16	rsvd;
-	__u64	metadata;
-	__u64	addr;
-	__u64	slba;
-	__u32	dsmgmt;
-	__u32	reftag;
-	__u16	apptag;
-	__u16	appmask;
-};
-
-struct nvme_passthru_cmd {
-	__u8	opcode;
-	__u8	flags;
-	__u16	rsvd1;
-	__u32	nsid;
-	__u32	cdw2;
-	__u32	cdw3;
-	__u64	metadata;
-	__u64	addr;
-	__u32	metadata_len;
-	__u32	data_len;
-	__u32	cdw10;
-	__u32	cdw11;
-	__u32	cdw12;
-	__u32	cdw13;
-	__u32	cdw14;
-	__u32	cdw15;
-	__u32	timeout_ms;
-	__u32	result;
-};
-
 /*
  * Registers should always be accessed with double word or quad word
  * accesses. Registers with 64-bit address pointers should be written
@@ -644,11 +608,8 @@ struct nvme_dev {
 	struct list_head node;
 	struct nvme_queue **queues;
 	u32 __iomem *dbs;
-	unsigned int cardnum;
 	struct udevice *pdev;
-	pci_dev_t pci_dev;
 	int instance;
-	uint8_t *hw_addr;
 	unsigned queue_count;
 	unsigned online_queues;
 	unsigned max_qid;
@@ -657,16 +618,12 @@ struct nvme_dev {
 	u32 ctrl_config;
 	struct nvme_bar __iomem *bar;
 	struct list_head namespaces;
-	const char *name;
 	char serial[20];
 	char model[40];
 	char firmware_rev[8];
 	u32 max_transfer_shift;
 	u32 stripe_size;
 	u32 page_size;
-	u16 oncs;
-	u16 abort_limit;
-	u8 event_limit;
 	u8 vwc;
 	u64 *prp_pool;
 	u32 prp_entry_num;
@@ -681,21 +638,6 @@ struct nvme_info {
 };
 
 /*
- * The nvme_iod describes the data in an I/O, including the list of PRP
- * entries.  You can't see it in this data structure because C doesn't let
- * me express that.  Use nvme_alloc_iod to ensure there's enough space
- * allocated to store the PRP list.
- */
-struct nvme_iod {
-	unsigned long private;	/* For the use of the submitter of the I/O */
-	int npages;		/* In the PRP list. 0 means small pool in use */
-	int offset;		/* Of PRP list */
-	int nents;		/* Used in scatterlist */
-	int length;		/* Of data, in bytes */
-	dma_addr_t first_dma;
-};
-
-/*
  * An NVM Express namespace is equivalent to a SCSI LUN.
  * Each namespace is operated as an independent "device".
  */
@@ -705,9 +647,7 @@ struct nvme_ns {
 	unsigned ns_id;
 	int devnum;
 	int lba_shift;
-	u16 ms;
 	u8 flbas;
-	u8 pi_type;
 	u64 mode_select_num_blocks;
 	u32 mode_select_block_len;
 };