[PATCH v2 03/10] nvme/core: add some more values from the spec

Maxim Levitsky
2019-05-02T11:49:05Z

This adds few defines from the spec,
that will be used in the nvme-mdev driver

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
---
include/linux/nvme.h | 88 ++++++++++++++++++++++++++++++++++----------
1 file changed, 68 insertions(+), 20 deletions(-)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index c40720cb59ac..653c22baedb1 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -144,32 +144,42 @@ enum {
#define NVME_NVM_IOCQES 4

enum {
- NVME_CC_ENABLE = 1 << 0,
- NVME_CC_CSS_NVM = 0 << 4,
NVME_CC_EN_SHIFT = 0,
+ NVME_CC_ENABLE = 1 << NVME_CC_EN_SHIFT,
+
NVME_CC_CSS_SHIFT = 4,
+ NVME_CC_CSS_NVM = 0 << NVME_CC_CSS_SHIFT,
+
NVME_CC_MPS_SHIFT = 7,
+ NVME_CC_MPS_MASK = 0xF << NVME_CC_MPS_SHIFT,
+
NVME_CC_AMS_SHIFT = 11,
- NVME_CC_SHN_SHIFT = 14,
- NVME_CC_IOSQES_SHIFT = 16,
- NVME_CC_IOCQES_SHIFT = 20,
NVME_CC_AMS_RR = 0 << NVME_CC_AMS_SHIFT,
NVME_CC_AMS_WRRU = 1 << NVME_CC_AMS_SHIFT,
NVME_CC_AMS_VS = 7 << NVME_CC_AMS_SHIFT,
+ NVME_CC_AMS_MASK = 0x7 << NVME_CC_AMS_SHIFT,
+
+ NVME_CC_SHN_SHIFT = 14,
NVME_CC_SHN_NONE = 0 << NVME_CC_SHN_SHIFT,
NVME_CC_SHN_NORMAL = 1 << NVME_CC_SHN_SHIFT,
NVME_CC_SHN_ABRUPT = 2 << NVME_CC_SHN_SHIFT,
NVME_CC_SHN_MASK = 3 << NVME_CC_SHN_SHIFT,
+
+ NVME_CC_IOSQES_SHIFT = 16,
+ NVME_CC_IOCQES_SHIFT = 20,
NVME_CC_IOSQES = NVME_NVM_IOSQES << NVME_CC_IOSQES_SHIFT,
NVME_CC_IOCQES = NVME_NVM_IOCQES << NVME_CC_IOCQES_SHIFT,
+
NVME_CSTS_RDY = 1 << 0,
NVME_CSTS_CFS = 1 << 1,
NVME_CSTS_NSSRO = 1 << 4,
NVME_CSTS_PP = 1 << 5,
- NVME_CSTS_SHST_NORMAL = 0 << 2,
- NVME_CSTS_SHST_OCCUR = 1 << 2,
- NVME_CSTS_SHST_CMPLT = 2 << 2,
- NVME_CSTS_SHST_MASK = 3 << 2,
+
+ NVME_CSTS_SHST_SHIFT = 2,
+ NVME_CSTS_SHST_NORMAL = 0 << NVME_CSTS_SHST_SHIFT,
+ NVME_CSTS_SHST_OCCUR = 1 << NVME_CSTS_SHST_SHIFT,
+ NVME_CSTS_SHST_CMPLT = 2 << NVME_CSTS_SHST_SHIFT,
+ NVME_CSTS_SHST_MASK = 3 << NVME_CSTS_SHST_SHIFT,
};

struct nvme_id_power_state {
@@ -396,6 +406,20 @@ enum {
NVME_NIDT_UUID = 0x03,
};

+struct nvme_err_log_entry {
+ __u8 err_count[8];
+ __le16 sqid;
+ __le16 cid;
+ __le16 status;
+ __le16 location;
+ __u8 lba[8];
+ __le32 ns;
+ __u8 vnd;
+ __u8 rsvd1[3];
+ __u8 cmd_specific[8];
+ __u8 rsvd2[24];
+};
+
struct nvme_smart_log {
__u8 critical_warning;
__u8 temperature[2];
@@ -483,13 +507,30 @@ enum {
NVME_AER_VS = 7,
};

-enum {
- NVME_AER_NOTICE_NS_CHANGED = 0x00,
- NVME_AER_NOTICE_FW_ACT_STARTING = 0x01,
- NVME_AER_NOTICE_ANA = 0x03,
- NVME_AER_NOTICE_DISC_CHANGED = 0xf0,
+enum nvme_async_event_type {
+ NVME_AER_TYPE_ERROR = 0,
+ NVME_AER_TYPE_SMART = 1,
+ NVME_AER_TYPE_NOTICE = 2,
+ NVME_AER_TYPE_MAX = 7,
};

+enum nvme_async_event {
+ NVME_AER_ERROR_INVALID_DB_REG = 0,
+ NVME_AER_ERROR_INVALID_DB_VALUE = 1,
+ NVME_AER_ERROR_DIAG_FAILURE = 2,
+ NVME_AER_ERROR_PERSISTENT_INT_ERR = 3,
+ NVME_AER_ERROR_TRANSIENT_INT_ERR = 4,
+ NVME_AER_ERROR_FW_IMAGE_LOAD_ERR = 5,
+
+ NVME_AER_SMART_SUBSYS_RELIABILITY = 0,
+ NVME_AER_SMART_TEMP_THRESH = 1,
+ NVME_AER_SMART_SPARE_BELOW_THRESH = 2,
+
+ NVME_AER_NOTICE_NS_CHANGED = 0,
+ NVME_AER_NOTICE_FW_ACT_STARTING = 1,
+ NVME_AER_NOTICE_ANA = 3,
+ NVME_AER_NOTICE_DISC_CHANGED = 0xf0,
+};
enum {
NVME_AEN_BIT_NS_ATTR = 8,
NVME_AEN_BIT_FW_ACT = 9,
@@ -540,12 +581,6 @@ struct nvme_reservation_status {
} regctl_ds[];
};

-enum nvme_async_event_type {
- NVME_AER_TYPE_ERROR = 0,
- NVME_AER_TYPE_SMART = 1,
- NVME_AER_TYPE_NOTICE = 2,
-};
-
/* I/O commands */

enum nvme_opcode {
@@ -697,10 +732,19 @@ enum {
NVME_RW_DSM_LATENCY_LOW = 3 << 4,
NVME_RW_DSM_SEQ_REQ = 1 << 6,
NVME_RW_DSM_COMPRESSED = 1 << 7,
+
+ NVME_WZ_DEAC = 1 << 9,
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,
+
+ NVME_RW_PRINFO =
+ NVME_RW_PRINFO_PRCHK_REF |
+ NVME_RW_PRINFO_PRCHK_APP |
+ NVME_RW_PRINFO_PRCHK_GUARD |
+ NVME_RW_PRINFO_PRACT,
+
NVME_RW_DTYPE_STREAMS = 1 << 4,
};

@@ -801,6 +845,7 @@ enum {
NVME_SQ_PRIO_HIGH = (1 << 1),
NVME_SQ_PRIO_MEDIUM = (2 << 1),
NVME_SQ_PRIO_LOW = (3 << 1),
+ NVME_SQ_PRIO_MASK = (3 << 1),
NVME_FEAT_ARBITRATION = 0x01,
NVME_FEAT_POWER_MGMT = 0x02,
NVME_FEAT_LBA_RANGE = 0x03,
@@ -1143,6 +1188,7 @@ struct streams_directive_params {

struct nvme_command {
union {
+ __le32 dwords[16];
struct nvme_common_command common;
struct nvme_rw_command rw;
struct nvme_identify identify;
@@ -1214,6 +1260,8 @@ enum {
NVME_SC_SGL_INVALID_METADATA = 0x10,
NVME_SC_SGL_INVALID_TYPE = 0x11,

+ NVME_SC_PRP_OFFSET_INVALID = 0x13,
+
NVME_SC_SGL_INVALID_OFFSET = 0x16,
NVME_SC_SGL_INVALID_SUBTYPE = 0x17,

--
2.17.2