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 <[email protected]>
---
 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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