Add the command structure, optional command set support (ONCS) bit and
a new error code for the Write Zeroes command.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxxx>
---
include/linux/nvme.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 9f3b488..5bf1d2d 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -242,6 +242,7 @@ enum {
NVME_CTRL_ONCS_COMPARE = 1 << 0,
NVME_CTRL_ONCS_WRITE_UNCORRECTABLE = 1 << 1,
NVME_CTRL_ONCS_DSM = 1 << 2,
+ NVME_CTRL_ONCS_WRITE_ZEROES = 1 << 3,
NVME_CTRL_VWC_PRESENT = 1 << 0,
};
@@ -558,6 +559,23 @@ struct nvme_dsm_range {
__le64 slba;
};
+struct nvme_write_zeroes_cmd {
+ __u8 opcode;
+ __u8 flags;
+ __u16 command_id;
+ __le32 nsid;
+ __u64 rsvd2;
+ __le64 metadata;
+ union nvme_data_ptr dptr;
+ __le64 slba;
+ __le16 length;
+ __le16 control;
+ __le32 dsmgmt;
+ __le32 reftag;
+ __le16 apptag;
+ __le16 appmask;
+};
+
/* Admin commands */
enum nvme_admin_opcode {
@@ -857,6 +875,7 @@ struct nvme_command {
struct nvme_download_firmware dlfw;
struct nvme_format_cmd format;
struct nvme_dsm_cmd dsm;
+ struct nvme_write_zeroes_cmd write_zeroes;
struct nvme_abort_cmd abort;
struct nvme_get_log_page_command get_log_page;
struct nvmf_common_command fabrics;
@@ -947,6 +966,7 @@ enum {
NVME_SC_BAD_ATTRIBUTES = 0x180,
NVME_SC_INVALID_PI = 0x181,
NVME_SC_READ_ONLY = 0x182,
+ NVME_SC_ONCS_NOT_SUPPORTED = 0x183,
/*
* I/O Command Set Specific - Fabrics commands:
--
1.8.3.1
--
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