summaryrefslogtreecommitdiff
path: root/drivers/nvme
diff options
context:
space:
mode:
authorZhikang Zhang <zhikang.zhang@nxp.com>2017-08-03 02:30:58 -0700
committerTom Rini <trini@konsulko.com>2017-08-13 15:17:31 -0400
commitf6aa61d599678b74b3c4a6bd5604a0f9ac2af9b2 (patch)
treef9675ab669a26729eccbea659907923a46c6c1af /drivers/nvme
parent982388eaa991d251290676f25868eecefa08c0be (diff)
nvme: Add show routine to print detailed information
This adds nvme_print_info() to show detailed NVMe controller and namespace information. Signed-off-by: Zhikang Zhang <zhikang.zhang@nxp.com> Signed-off-by: Wenbin Song <wenbin.song@nxp.com> Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/Makefile2
-rw-r--r--drivers/nvme/nvme_show.c127
2 files changed, 128 insertions, 1 deletions
diff --git a/drivers/nvme/Makefile b/drivers/nvme/Makefile
index 7bd9fa41c0..1f3010a8c2 100644
--- a/drivers/nvme/Makefile
+++ b/drivers/nvme/Makefile
@@ -4,4 +4,4 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y += nvme-uclass.o nvme.o
+obj-y += nvme-uclass.o nvme.o nvme_show.o
diff --git a/drivers/nvme/nvme_show.c b/drivers/nvme/nvme_show.c
new file mode 100644
index 0000000000..5577e5de45
--- /dev/null
+++ b/drivers/nvme/nvme_show.c
@@ -0,0 +1,127 @@
+/*
+ * 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 <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;
+ struct nvme_id_ns buf_ns, *id = &buf_ns;
+ struct nvme_id_ctrl buf_ctrl, *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;
+}