[PATCH v2 1/2] nvme: updated shared header for copy command

[Klaus Jensen]

From: Klaus Jensen <k.jensen@samsung.com>

Add new data structures and types for the Simple Copy command.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Fam Zheng <fam@euphon.net>
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 include/block/nvme.h | 45 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 43 insertions(+), 2 deletions(-)

diff --git a/include/block/nvme.h b/include/block/nvme.h
index e95ff6ca9b37..be3aca913a1d 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -472,6 +472,7 @@ enum NvmeIoCommands {
     NVME_CMD_COMPARE            = 0x05,
     NVME_CMD_WRITE_ZEROES       = 0x08,
     NVME_CMD_DSM                = 0x09,
+    NVME_CMD_COPY               = 0x19,
 };
 
 typedef struct QEMU_PACKED NvmeDeleteQ {
@@ -603,6 +604,35 @@ typedef struct QEMU_PACKED NvmeDsmRange {
     uint64_t    slba;
 } NvmeDsmRange;
 
+enum {
+    NVME_COPY_FORMAT_0 = 0x0,
+};
+
+typedef struct NvmeCopyCmd {
+    uint8_t     opcode;
+    uint8_t     flags;
+    uint16_t    cid;
+    uint32_t    nsid;
+    uint32_t    rsvd2[4];
+    NvmeCmdDptr dptr;
+    uint64_t    sdlba;
+    uint32_t    cdw12;
+    uint32_t    cdw13;
+    uint32_t    ilbrt;
+    uint16_t    lbat;
+    uint16_t    lbatm;
+} NvmeCopyCmd;
+
+typedef struct NvmeCopySourceRange {
+    uint8_t  rsvd0[8];
+    uint64_t slba;
+    uint16_t nlb;
+    uint8_t  rsvd18[6];
+    uint32_t eilbrt;
+    uint16_t elbat;
+    uint16_t elbatm;
+} NvmeCopySourceRange;
+
 enum NvmeAsyncEventRequest {
     NVME_AER_TYPE_ERROR                     = 0,
     NVME_AER_TYPE_SMART                     = 1,
@@ -680,6 +710,7 @@ enum NvmeStatusCodes {
     NVME_CONFLICTING_ATTRS      = 0x0180,
     NVME_INVALID_PROT_INFO      = 0x0181,
     NVME_WRITE_TO_RO            = 0x0182,
+    NVME_CMD_SIZE_LIMIT         = 0x0183,
     NVME_WRITE_FAULT            = 0x0280,
     NVME_UNRECOVERED_READ       = 0x0281,
     NVME_E2E_GUARD_ERROR        = 0x0282,
@@ -831,7 +862,7 @@ typedef struct QEMU_PACKED NvmeIdCtrl {
     uint8_t     nvscc;
     uint8_t     rsvd531;
     uint16_t    acwu;
-    uint8_t     rsvd534[2];
+    uint16_t    ocfs;
     uint32_t    sgls;
     uint8_t     rsvd540[228];
     uint8_t     subnqn[256];
@@ -854,6 +885,11 @@ enum NvmeIdCtrlOncs {
     NVME_ONCS_FEATURES      = 1 << 4,
     NVME_ONCS_RESRVATIONS   = 1 << 5,
     NVME_ONCS_TIMESTAMP     = 1 << 6,
+    NVME_ONCS_COPY          = 1 << 8,
+};
+
+enum NvmeIdCtrlOcfs {
+    NVME_OCFS_COPY_FORMAT_0 = 1 << 0,
 };
 
 enum NvmeIdCtrlFrmw {
@@ -995,7 +1031,10 @@ typedef struct QEMU_PACKED NvmeIdNs {
     uint16_t    npdg;
     uint16_t    npda;
     uint16_t    nows;
-    uint8_t     rsvd74[30];
+    uint16_t    mssrl;
+    uint32_t    mcl;
+    uint8_t     msrc;
+    uint8_t     rsvd81[23];
     uint8_t     nguid[16];
     uint64_t    eui64;
     NvmeLBAF    lbaf[16];
@@ -1059,6 +1098,7 @@ static inline void _nvme_check_size(void)
     QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
     QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
+    QEMU_BUILD_BUG_ON(sizeof(NvmeCopySourceRange) != 32);
     QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
     QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
@@ -1066,6 +1106,7 @@ static inline void _nvme_check_size(void)
     QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
     QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
+    QEMU_BUILD_BUG_ON(sizeof(NvmeCopyCmd) != 64);
     QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
     QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
     QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
-- 
2.29.2