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Date: Thu, 2 May 2019 14:47:54 +0300
From: Maxim Levitsky <mlevitsk@...hat.com>
To: linux-nvme@...ts.infradead.org
Cc: Maxim Levitsky <mlevitsk@...hat.com>, linux-kernel@...r.kernel.org,
kvm@...r.kernel.org, Jens Axboe <axboe@...com>,
Alex Williamson <alex.williamson@...hat.com>,
Keith Busch <keith.busch@...el.com>,
Christoph Hellwig <hch@....de>,
Sagi Grimberg <sagi@...mberg.me>,
Kirti Wankhede <kwankhede@...dia.com>,
"David S . Miller" <davem@...emloft.net>,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Wolfram Sang <wsa@...-dreams.de>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
"Paul E . McKenney " <paulmck@...ux.ibm.com>,
Paolo Bonzini <pbonzini@...hat.com>,
Liang Cunming <cunming.liang@...el.com>,
Liu Changpeng <changpeng.liu@...el.com>,
Fam Zheng <fam@...hon.net>, Amnon Ilan <ailan@...hat.com>,
John Ferlan <jferlan@...hat.com>
Subject: [PATCH v2 03/10] nvme/core: add some more values from the spec
This adds few defines from the spec,
that will be used in the nvme-mdev driver
Signed-off-by: Maxim Levitsky <mlevitsk@...hat.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
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