2 * Copyright (C) 2017 NXP Semiconductors
3 * Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
5 * SPDX-License-Identifier: GPL-2.0+
15 static void print_optional_admin_cmd(u16 oacs, int devnum)
17 printf("Blk device %d: Optional Admin Command Support:\n",
19 printf("\tNamespace Management/Attachment: %s\n",
20 oacs & 0x08 ? "yes" : "no");
21 printf("\tFirmware Commit/Image download: %s\n",
22 oacs & 0x04 ? "yes" : "no");
23 printf("\tFormat NVM: %s\n",
24 oacs & 0x02 ? "yes" : "no");
25 printf("\tSecurity Send/Receive: %s\n",
26 oacs & 0x01 ? "yes" : "no");
29 static void print_optional_nvm_cmd(u16 oncs, int devnum)
31 printf("Blk device %d: Optional NVM Command Support:\n",
33 printf("\tReservation: %s\n",
34 oncs & 0x10 ? "yes" : "no");
35 printf("\tSave/Select field in the Set/Get features: %s\n",
36 oncs & 0x08 ? "yes" : "no");
37 printf("\tWrite Zeroes: %s\n",
38 oncs & 0x04 ? "yes" : "no");
39 printf("\tDataset Management: %s\n",
40 oncs & 0x02 ? "yes" : "no");
41 printf("\tWrite Uncorrectable: %s\n",
42 oncs & 0x01 ? "yes" : "no");
45 static void print_format_nvme_attributes(u8 fna, int devnum)
47 printf("Blk device %d: Format NVM Attributes:\n", devnum);
48 printf("\tSupport Cryptographic Erase: %s\n",
49 fna & 0x04 ? "yes" : "No");
50 printf("\tSupport erase a particular namespace: %s\n",
51 fna & 0x02 ? "No" : "Yes");
52 printf("\tSupport format a particular namespace: %s\n",
53 fna & 0x01 ? "No" : "Yes");
56 static void print_format(struct nvme_lbaf *lbaf)
58 u8 str[][10] = {"Best", "Better", "Good", "Degraded"};
60 printf("\t\tMetadata Size: %d\n", le16_to_cpu(lbaf->ms));
61 printf("\t\tLBA Data Size: %d\n", 1 << lbaf->ds);
62 printf("\t\tRelative Performance: %s\n", str[lbaf->rp & 0x03]);
65 static void print_formats(struct nvme_id_ns *id, struct nvme_ns *ns)
69 printf("Blk device %d: LBA Format Support:\n", ns->devnum);
71 for (i = 0; i < id->nlbaf; i++) {
72 printf("\tLBA Foramt %d Support: ", i);
74 printf("(current)\n");
77 print_format(id->lbaf + i);
81 static void print_data_protect_cap(u8 dpc, int devnum)
83 printf("Blk device %d: End-to-End Data", devnum);
84 printf("Protect Capabilities:\n");
85 printf("\tAs last eight bytes: %s\n",
86 dpc & 0x10 ? "yes" : "No");
87 printf("\tAs first eight bytes: %s\n",
88 dpc & 0x08 ? "yes" : "No");
89 printf("\tSupport Type3: %s\n",
90 dpc & 0x04 ? "yes" : "No");
91 printf("\tSupport Type2: %s\n",
92 dpc & 0x02 ? "yes" : "No");
93 printf("\tSupport Type1: %s\n",
94 dpc & 0x01 ? "yes" : "No");
97 static void print_metadata_cap(u8 mc, int devnum)
99 printf("Blk device %d: Metadata capabilities:\n", devnum);
100 printf("\tAs part of a separate buffer: %s\n",
101 mc & 0x02 ? "yes" : "No");
102 printf("\tAs part of an extended data LBA: %s\n",
103 mc & 0x01 ? "yes" : "No");
106 int nvme_print_info(struct udevice *udev)
108 struct nvme_ns *ns = dev_get_priv(udev);
109 struct nvme_dev *dev = ns->dev;
110 ALLOC_CACHE_ALIGN_BUFFER(char, buf_ns, sizeof(struct nvme_id_ns));
111 struct nvme_id_ns *id = (struct nvme_id_ns *)buf_ns;
112 ALLOC_CACHE_ALIGN_BUFFER(char, buf_ctrl, sizeof(struct nvme_id_ctrl));
113 struct nvme_id_ctrl *ctrl = (struct nvme_id_ctrl *)buf_ctrl;
115 if (nvme_identify(dev, 0, 1, (dma_addr_t)ctrl))
118 print_optional_admin_cmd(le16_to_cpu(ctrl->oacs), ns->devnum);
119 print_optional_nvm_cmd(le16_to_cpu(ctrl->oncs), ns->devnum);
120 print_format_nvme_attributes(ctrl->fna, ns->devnum);
122 if (nvme_identify(dev, ns->ns_id, 0, (dma_addr_t)id))
125 print_formats(id, ns);
126 print_data_protect_cap(id->dpc, ns->devnum);
127 print_metadata_cap(id->mc, ns->devnum);