nvme: add EMVS support to sanitize command

Add Enter Media Verification State (EMVS) support to sanitize
command.
TP4152 - Post-Sanitize Media Verification 2024.04.01 Ratified.

Signed-off-by: Francis Pravin <francis.p@samsung.com>
Reviewed-by: Steven Seungcheol Lee <sc108.lee@samsung.com>

diff --git a/nvme.c b/nvme.c
index 5d4b52c8cae484308720cb54399cfcc640aa10b6..3bb77bfc7ed1885707abdf27325e64bf53475e48 100644 (file)
--- a/nvme.c
+++ b/nvme.c
@@ -5173,11 +5173,13 @@ static int ns_rescan(int argc, char **argv, struct command *cmd, struct plugin *
 static int sanitize_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin)
 {
        const char *desc = "Send a sanitize command.";
+       const char *emvs_desc = "Enter media verification state.";
        const char *no_dealloc_desc = "No deallocate after sanitize.";
        const char *oipbp_desc = "Overwrite invert pattern between passes.";
        const char *owpass_desc = "Overwrite pass count.";
        const char *ause_desc = "Allow unrestricted sanitize exit.";
-       const char *sanact_desc = "Sanitize action: 1 = Exit failure mode, 2 = Start block erase, 3 = Start overwrite, 4 = Start crypto erase";
+       const char *sanact_desc = "Sanitize action: 1 = Exit failure mode, 2 = Start block erase,"
+                               "3 = Start overwrite, 4 = Start crypto erase, 5 = Exit media verification";
        const char *ovrpat_desc = "Overwrite pattern.";
 
        _cleanup_nvme_dev_ struct nvme_dev *dev = NULL;
@@ -5190,6 +5192,7 @@ static int sanitize_cmd(int argc, char **argv, struct command *cmd, struct plugi
                bool    ause;
                __u8    sanact;
                __u32   ovrpat;
+               bool    emvs;
        };
 
        struct config cfg = {
@@ -5199,6 +5202,7 @@ static int sanitize_cmd(int argc, char **argv, struct command *cmd, struct plugi
                .ause           = false,
                .sanact         = 0,
                .ovrpat         = 0,
+               .emvs           = false,
        };
 
        OPT_VALS(sanact) = {
@@ -5206,6 +5210,7 @@ static int sanitize_cmd(int argc, char **argv, struct command *cmd, struct plugi
                VAL_BYTE("start-block-erase", NVME_SANITIZE_SANACT_START_BLOCK_ERASE),
                VAL_BYTE("start-overwrite", NVME_SANITIZE_SANACT_START_OVERWRITE),
                VAL_BYTE("start-crypto-erase", NVME_SANITIZE_SANACT_START_CRYPTO_ERASE),
+               VAL_BYTE("exit-media-verification", NVME_SANITIZE_SANACT_EXIT_MEDIA_VERIF),
                VAL_END()
        };
 
@@ -5215,7 +5220,8 @@ static int sanitize_cmd(int argc, char **argv, struct command *cmd, struct plugi
                  OPT_BYTE("owpass",     'n', &cfg.owpass,     owpass_desc),
                  OPT_FLAG("ause",       'u', &cfg.ause,       ause_desc),
                  OPT_BYTE("sanact",     'a', &cfg.sanact,     sanact_desc, sanact),
-                 OPT_UINT("ovrpat",     'p', &cfg.ovrpat,     ovrpat_desc));
+                 OPT_UINT("ovrpat",     'p', &cfg.ovrpat,     ovrpat_desc),
+                 OPT_FLAG("emvs",       'e', &cfg.emvs,       emvs_desc));
 
        err = parse_and_open(&dev, argc, argv, desc, opts);
        if (err)
@@ -5226,16 +5232,20 @@ static int sanitize_cmd(int argc, char **argv, struct command *cmd, struct plugi
        case NVME_SANITIZE_SANACT_START_BLOCK_ERASE:
        case NVME_SANITIZE_SANACT_START_OVERWRITE:
        case NVME_SANITIZE_SANACT_START_CRYPTO_ERASE:
+       case NVME_SANITIZE_SANACT_EXIT_MEDIA_VERIF:
                break;
        default:
                nvme_show_error("Invalid Sanitize Action");
                return -EINVAL;
        }
 
-       if (cfg.sanact == NVME_SANITIZE_SANACT_EXIT_FAILURE) {
-               if (cfg.ause || cfg.no_dealloc) {
+       if (cfg.ause || cfg.no_dealloc) {
+               if (cfg.sanact == NVME_SANITIZE_SANACT_EXIT_FAILURE) {
                        nvme_show_error("SANACT is Exit Failure Mode");
                        return -EINVAL;
+               } else if (cfg.sanact == NVME_SANITIZE_SANACT_EXIT_MEDIA_VERIF) {
+                       nvme_show_error("SANACT is Exit Media Verification State");
+                       return -EINVAL;
                }
        }
 
@@ -5260,7 +5270,9 @@ static int sanitize_cmd(int argc, char **argv, struct command *cmd, struct plugi
                .nodas          = cfg.no_dealloc,
                .ovrpat         = cfg.ovrpat,
                .result         = NULL,
+               .emvs           = cfg.emvs,
        };
+
        err = nvme_cli_sanitize_nvm(dev, &args);
        if (err < 0)
                nvme_show_error("sanitize: %s", nvme_strerror(errno));