From 11357d68b77392e4360ae2824e75bf8397a84885 Mon Sep 17 00:00:00 2001

From: Redhairer Li <redhairer.li@intel.com>

Date: Sat, 9 Jan 2021 23:36:33 +0800

Subject: [PATCH 007/217] msft: Add xlat_firmware_status for JEDEC Byte

 Addressable Energy Backed DSM

Translate the status codes of the result of JEDEC Byte Addressable Energy Backed

DSM to generic errno style error codes.

Signed-off-by: Li Redhairer <redhairer.li@intel.com>

Reviewed-by: Dan Williams <dan.j.williams@intel.com>

Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>

Link: https://lore.kernel.org/r/20210109153633.8493-1-redhairer.li@intel.com

---

 ndctl/lib/msft.c | 22 ++++++++++++++++++++++

 ndctl/lib/msft.h |  6 ++++++

 2 files changed, 28 insertions(+)

diff --git a/ndctl/lib/msft.c b/ndctl/lib/msft.c

index 145872c..3112799 100644

--- a/ndctl/lib/msft.c

+++ b/ndctl/lib/msft.c

@@ -149,10 +149,32 @@ static unsigned int msft_cmd_smart_get_life_used(struct ndctl_cmd *cmd)

 	return 100 - CMD_MSFT_SMART(cmd)->nvm_lifetime;

 }

+static int msft_cmd_xlat_firmware_status(struct ndctl_cmd *cmd)

+{

+	unsigned int status;

+

+	status = cmd->get_firmware_status(cmd) & NDN_MSFT_STATUS_MASK;

+

+	/* Common statuses */

+	switch (status) {

+	case NDN_MSFT_STATUS_SUCCESS:

+		return 0;

+	case NDN_MSFT_STATUS_NOTSUPP:

+		return -EOPNOTSUPP;

+	case NDN_MSFT_STATUS_INVALPARM:

+		return -EINVAL;

+	case NDN_MSFT_STATUS_I2CERR:

+		return -EIO;

+	}

+

+	return -ENOMSG;

+}

+

 struct ndctl_dimm_ops * const msft_dimm_ops = &(struct ndctl_dimm_ops) {

 	.new_smart = msft_dimm_cmd_new_smart,

 	.smart_get_flags = msft_cmd_smart_get_flags,

 	.smart_get_health = msft_cmd_smart_get_health,

 	.smart_get_media_temperature = msft_cmd_smart_get_media_temperature,

 	.smart_get_life_used = msft_cmd_smart_get_life_used,

+	.xlat_firmware_status = msft_cmd_xlat_firmware_status,

 };

diff --git a/ndctl/lib/msft.h b/ndctl/lib/msft.h

index 7cfd26f..978cc11 100644

--- a/ndctl/lib/msft.h

+++ b/ndctl/lib/msft.h

@@ -50,4 +50,10 @@ struct ndn_pkg_msft {

 	union ndn_msft_cmd	u;

 } __attribute__((packed));

+#define NDN_MSFT_STATUS_MASK		0xffff

+#define NDN_MSFT_STATUS_SUCCESS	0

+#define NDN_MSFT_STATUS_NOTSUPP	1

+#define NDN_MSFT_STATUS_INVALPARM	2

+#define NDN_MSFT_STATUS_I2CERR		3

+

 #endif /* __NDCTL_MSFT_H__ */

-- 

2.27.0