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Message-ID: <20241119121632.1225556-14-hch@lst.de>
Date: Tue, 19 Nov 2024 13:16:27 +0100
From: Christoph Hellwig <hch@....de>
To: Jens Axboe <axboe@...nel.dk>
Cc: Christian Brauner <brauner@...nel.org>,
Keith Busch <kbusch@...nel.org>,
Sagi Grimberg <sagi@...mberg.me>,
Kanchan Joshi <joshi.k@...sung.com>,
Hui Qi <hui81.qi@...sung.com>,
Nitesh Shetty <nj.shetty@...sung.com>,
Jan Kara <jack@...e.cz>,
Pavel Begunkov <asml.silence@...il.com>,
linux-block@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-nvme@...ts.infradead.org,
linux-fsdevel@...r.kernel.org,
io-uring@...r.kernel.org
Subject: [PATCH 13/15] nvme.h: add FDP definitions
Add the config feature result, config log page, and management receive
commands needed for FDP.
Partially based on a patch from Kanchan Joshi <joshi.k@...sung.com>.
Signed-off-by: Christoph Hellwig <hch@....de>
---
include/linux/nvme.h | 77 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 0a6e22038ce3..0c4a81bf878e 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -275,6 +275,7 @@ enum nvme_ctrl_attr {
NVME_CTRL_ATTR_HID_128_BIT = (1 << 0),
NVME_CTRL_ATTR_TBKAS = (1 << 6),
NVME_CTRL_ATTR_ELBAS = (1 << 15),
+ NVME_CTRL_ATTR_FDPS = (1 << 19),
};
struct nvme_id_ctrl {
@@ -656,6 +657,44 @@ struct nvme_rotational_media_log {
__u8 rsvd24[488];
};
+struct nvme_fdp_config {
+ __u8 flags;
+#define FDPCFG_FDPE (1U << 0)
+ __u8 fdpcidx;
+ __le16 reserved;
+};
+
+struct nvme_fdp_ruh_desc {
+ __u8 ruht;
+ __u8 reserved[3];
+};
+
+struct nvme_fdp_config_desc {
+ __le16 size;
+ __u8 fdpa;
+ __u8 vss;
+ __le32 nrg;
+ __le16 nruh;
+ __le16 maxpids;
+ __le32 nnss;
+ __le64 runs;
+ __le32 erutl;
+ __u8 reserved[36];
+ struct nvme_fdp_ruh_desc ruhs[];
+};
+
+struct nvme_fdp_config_log {
+ __le16 n;
+ __u8 version;
+ __u8 reserved;
+ __le32 size;
+ __u8 reserved2[8];
+ /*
+ * This is followed by variable number of nvme_fdp_config_desc
+ * structures, but sparse doesn't like nested variable sized arrays.
+ */
+};
+
struct nvme_smart_log {
__u8 critical_warning;
__u8 temperature[2];
@@ -882,6 +921,7 @@ enum nvme_opcode {
nvme_cmd_resv_register = 0x0d,
nvme_cmd_resv_report = 0x0e,
nvme_cmd_resv_acquire = 0x11,
+ nvme_cmd_io_mgmt_recv = 0x12,
nvme_cmd_resv_release = 0x15,
nvme_cmd_zone_mgmt_send = 0x79,
nvme_cmd_zone_mgmt_recv = 0x7a,
@@ -903,6 +943,7 @@ enum nvme_opcode {
nvme_opcode_name(nvme_cmd_resv_register), \
nvme_opcode_name(nvme_cmd_resv_report), \
nvme_opcode_name(nvme_cmd_resv_acquire), \
+ nvme_opcode_name(nvme_cmd_io_mgmt_recv), \
nvme_opcode_name(nvme_cmd_resv_release), \
nvme_opcode_name(nvme_cmd_zone_mgmt_send), \
nvme_opcode_name(nvme_cmd_zone_mgmt_recv), \
@@ -1054,6 +1095,7 @@ enum {
NVME_RW_PRINFO_PRCHK_GUARD = 1 << 12,
NVME_RW_PRINFO_PRACT = 1 << 13,
NVME_RW_DTYPE_STREAMS = 1 << 4,
+ NVME_RW_DTYPE_DPLCMT = 2 << 4,
NVME_WZ_DEAC = 1 << 9,
};
@@ -1141,6 +1183,38 @@ struct nvme_zone_mgmt_recv_cmd {
__le32 cdw14[2];
};
+struct nvme_io_mgmt_recv_cmd {
+ __u8 opcode;
+ __u8 flags;
+ __u16 command_id;
+ __le32 nsid;
+ __le64 rsvd2[2];
+ union nvme_data_ptr dptr;
+ __u8 mo;
+ __u8 rsvd11;
+ __u16 mos;
+ __le32 numd;
+ __le32 cdw12[4];
+};
+
+enum {
+ NVME_IO_MGMT_RECV_MO_RUHS = 1,
+};
+
+struct nvme_fdp_ruh_status_desc {
+ __le16 pid;
+ __le16 ruhid;
+ __le32 earutr;
+ __le64 ruamw;
+ __u8 reserved[16];
+};
+
+struct nvme_fdp_ruh_status {
+ __u8 rsvd0[14];
+ __le16 nruhsd;
+ struct nvme_fdp_ruh_status_desc ruhsd[];
+};
+
enum {
NVME_ZRA_ZONE_REPORT = 0,
NVME_ZRASF_ZONE_REPORT_ALL = 0,
@@ -1276,6 +1350,7 @@ enum {
NVME_FEAT_PLM_WINDOW = 0x14,
NVME_FEAT_HOST_BEHAVIOR = 0x16,
NVME_FEAT_SANITIZE = 0x17,
+ NVME_FEAT_FDP = 0x1d,
NVME_FEAT_SW_PROGRESS = 0x80,
NVME_FEAT_HOST_ID = 0x81,
NVME_FEAT_RESV_MASK = 0x82,
@@ -1296,6 +1371,7 @@ enum {
NVME_LOG_ANA = 0x0c,
NVME_LOG_FEATURES = 0x12,
NVME_LOG_RMI = 0x16,
+ NVME_LOG_FDP_CONFIGS = 0x20,
NVME_LOG_DISC = 0x70,
NVME_LOG_RESERVATION = 0x80,
NVME_FWACT_REPL = (0 << 3),
@@ -1883,6 +1959,7 @@ struct nvme_command {
struct nvmf_auth_receive_command auth_receive;
struct nvme_dbbuf dbbuf;
struct nvme_directive_cmd directive;
+ struct nvme_io_mgmt_recv_cmd imr;
};
};
--
2.45.2
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