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Merge branch 'for-3.20' of git://git.infradead.org/users/kbusch/linux-nvme into for-linus

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Merge 3.20 NVMe changes from Keith.
This commit is contained in:
Jens Axboe
2015-02-20 22:12:02 -08:00
parent 045c47ca30 0c0f9b95c8
commit decf6d79de
4 changed files with 414 additions and 213 deletions
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9
include/linux/nvme.h
View File

@@ -17,7 +17,6 @@
#include <uapi/linux/nvme.h>
#include <linux/pci.h>
#include <linux/miscdevice.h>
#include <linux/kref.h>
#include <linux/blk-mq.h>
@@ -62,8 +61,6 @@ enum {
NVME_CSTS_SHST_MASK = 3 << 2,
};
#define NVME_VS(major, minor) (major << 16 | minor)
extern unsigned char nvme_io_timeout;
#define NVME_IO_TIMEOUT (nvme_io_timeout * HZ)
@@ -91,9 +88,10 @@ struct nvme_dev {
struct nvme_bar __iomem *bar;
struct list_head namespaces;
struct kref kref;
struct miscdevice miscdev;
struct device *device;
work_func_t reset_workfn;
struct work_struct reset_work;
struct work_struct probe_work;
char name[12];
char serial[20];
char model[40];
@@ -105,7 +103,6 @@ struct nvme_dev {
u16 abort_limit;
u8 event_limit;
u8 vwc;
u8 initialized;
};
/*
@@ -121,6 +118,7 @@ struct nvme_ns {
unsigned ns_id;
int lba_shift;
int ms;
int pi_type;
u64 mode_select_num_blocks;
u32 mode_select_block_len;
};
@@ -138,6 +136,7 @@ struct nvme_iod {
int nents; /* Used in scatterlist */
int length; /* Of data, in bytes */
dma_addr_t first_dma;
struct scatterlist meta_sg[1]; /* metadata requires single contiguous buffer */
struct scatterlist sg[0];
};

26
include/uapi/linux/nvme.h
View File

@@ -115,7 +115,13 @@ struct nvme_id_ns {
__le16 nawun;
__le16 nawupf;
__le16 nacwu;
__u8 rsvd40[80];
__le16 nabsn;
__le16 nabo;
__le16 nabspf;
__u16 rsvd46;
__le64 nvmcap[2];
__u8 rsvd64[40];
__u8 nguid[16];
__u8 eui64[8];
struct nvme_lbaf lbaf[16];
__u8 rsvd192[192];
@@ -124,10 +130,22 @@ struct nvme_id_ns {
enum {
NVME_NS_FEAT_THIN = 1 << 0,
NVME_NS_FLBAS_LBA_MASK = 0xf,
NVME_NS_FLBAS_META_EXT = 0x10,
NVME_LBAF_RP_BEST = 0,
NVME_LBAF_RP_BETTER = 1,
NVME_LBAF_RP_GOOD = 2,
NVME_LBAF_RP_DEGRADED = 3,
NVME_NS_DPC_PI_LAST = 1 << 4,
NVME_NS_DPC_PI_FIRST = 1 << 3,
NVME_NS_DPC_PI_TYPE3 = 1 << 2,
NVME_NS_DPC_PI_TYPE2 = 1 << 1,
NVME_NS_DPC_PI_TYPE1 = 1 << 0,
NVME_NS_DPS_PI_FIRST = 1 << 3,
NVME_NS_DPS_PI_MASK = 0x7,
NVME_NS_DPS_PI_TYPE1 = 1,
NVME_NS_DPS_PI_TYPE2 = 2,
NVME_NS_DPS_PI_TYPE3 = 3,
};
struct nvme_smart_log {
@@ -261,6 +279,10 @@ enum {
NVME_RW_DSM_LATENCY_LOW = 3 << 4,
NVME_RW_DSM_SEQ_REQ = 1 << 6,
NVME_RW_DSM_COMPRESSED = 1 << 7,
NVME_RW_PRINFO_PRCHK_REF = 1 << 10,
NVME_RW_PRINFO_PRCHK_APP = 1 << 11,
NVME_RW_PRINFO_PRCHK_GUARD = 1 << 12,
NVME_RW_PRINFO_PRACT = 1 << 13,
};
struct nvme_dsm_cmd {
@@ -549,6 +571,8 @@ struct nvme_passthru_cmd {
__u32 result;
};
#define NVME_VS(major, minor) (((major) << 16) | ((minor) << 8))
#define nvme_admin_cmd nvme_passthru_cmd
#define NVME_IOCTL_ID _IO('N', 0x40)