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

Merge 3.20 NVMe changes from Keith.

2 files changed, 29 insertions, 6 deletions

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 19a5d4b23209..0adad4a5419b 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -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];
 };
 
diff --git a/include/uapi/linux/nvme.h b/include/uapi/linux/nvme.h
index 26386cf3db44..aef9a81b2d75 100644
--- a/include/uapi/linux/nvme.h
+++ b/include/uapi/linux/nvme.h
@@ -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)