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/*
* Copyright (C) 2017 NXP Semiconductors
* Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <memalign.h>
#include <nvme.h>
#include "nvme.h"
static void print_optional_admin_cmd(u16 oacs, int devnum)
{
printf("Blk device %d: Optional Admin Command Support:\n",
devnum);
printf("\tNamespace Management/Attachment: %s\n",
oacs & 0x08 ? "yes" : "no");
printf("\tFirmware Commit/Image download: %s\n",
oacs & 0x04 ? "yes" : "no");
printf("\tFormat NVM: %s\n",
oacs & 0x02 ? "yes" : "no");
printf("\tSecurity Send/Receive: %s\n",
oacs & 0x01 ? "yes" : "no");
}
static void print_optional_nvm_cmd(u16 oncs, int devnum)
{
printf("Blk device %d: Optional NVM Command Support:\n",
devnum);
printf("\tReservation: %s\n",
oncs & 0x10 ? "yes" : "no");
printf("\tSave/Select field in the Set/Get features: %s\n",
oncs & 0x08 ? "yes" : "no");
printf("\tWrite Zeroes: %s\n",
oncs & 0x04 ? "yes" : "no");
printf("\tDataset Management: %s\n",
oncs & 0x02 ? "yes" : "no");
printf("\tWrite Uncorrectable: %s\n",
oncs & 0x01 ? "yes" : "no");
}
static void print_format_nvme_attributes(u8 fna, int devnum)
{
printf("Blk device %d: Format NVM Attributes:\n", devnum);
printf("\tSupport Cryptographic Erase: %s\n",
fna & 0x04 ? "yes" : "No");
printf("\tSupport erase a particular namespace: %s\n",
fna & 0x02 ? "No" : "Yes");
printf("\tSupport format a particular namespace: %s\n",
fna & 0x01 ? "No" : "Yes");
}
static void print_format(struct nvme_lbaf *lbaf)
{
u8 str[][10] = {"Best", "Better", "Good", "Degraded"};
printf("\t\tMetadata Size: %d\n", le16_to_cpu(lbaf->ms));
printf("\t\tLBA Data Size: %d\n", 1 << lbaf->ds);
printf("\t\tRelative Performance: %s\n", str[lbaf->rp & 0x03]);
}
static void print_formats(struct nvme_id_ns *id, struct nvme_ns *ns)
{
int i;
printf("Blk device %d: LBA Format Support:\n", ns->devnum);
for (i = 0; i < id->nlbaf; i++) {
printf("\tLBA Foramt %d Support: ", i);
if (i == ns->flbas)
printf("(current)\n");
else
printf("\n");
print_format(id->lbaf + i);
}
}
static void print_data_protect_cap(u8 dpc, int devnum)
{
printf("Blk device %d: End-to-End Data", devnum);
printf("Protect Capabilities:\n");
printf("\tAs last eight bytes: %s\n",
dpc & 0x10 ? "yes" : "No");
printf("\tAs first eight bytes: %s\n",
dpc & 0x08 ? "yes" : "No");
printf("\tSupport Type3: %s\n",
dpc & 0x04 ? "yes" : "No");
printf("\tSupport Type2: %s\n",
dpc & 0x02 ? "yes" : "No");
printf("\tSupport Type1: %s\n",
dpc & 0x01 ? "yes" : "No");
}
static void print_metadata_cap(u8 mc, int devnum)
{
printf("Blk device %d: Metadata capabilities:\n", devnum);
printf("\tAs part of a separate buffer: %s\n",
mc & 0x02 ? "yes" : "No");
printf("\tAs part of an extended data LBA: %s\n",
mc & 0x01 ? "yes" : "No");
}
int nvme_print_info(struct udevice *udev)
{
struct nvme_ns *ns = dev_get_priv(udev);
struct nvme_dev *dev = ns->dev;
ALLOC_CACHE_ALIGN_BUFFER(char, buf_ns, sizeof(struct nvme_id_ns));
struct nvme_id_ns *id = (struct nvme_id_ns *)buf_ns;
ALLOC_CACHE_ALIGN_BUFFER(char, buf_ctrl, sizeof(struct nvme_id_ctrl));
struct nvme_id_ctrl *ctrl = (struct nvme_id_ctrl *)buf_ctrl;
if (nvme_identify(dev, 0, 1, (dma_addr_t)ctrl))
return -EIO;
print_optional_admin_cmd(le16_to_cpu(ctrl->oacs), ns->devnum);
print_optional_nvm_cmd(le16_to_cpu(ctrl->oncs), ns->devnum);
print_format_nvme_attributes(ctrl->fna, ns->devnum);
if (nvme_identify(dev, ns->ns_id, 0, (dma_addr_t)id))
return -EIO;
print_formats(id, ns);
print_data_protect_cap(id->dpc, ns->devnum);
print_metadata_cap(id->mc, ns->devnum);
return 0;
}
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