1 /* 2 * Copyright (C) 2017 NXP Semiconductors 3 * Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <dm.h> 10 #include <errno.h> 11 #include <nvme.h> 12 #include "nvme.h" 13 14 static void print_optional_admin_cmd(u16 oacs, int devnum) 15 { 16 printf("Blk device %d: Optional Admin Command Support:\n", 17 devnum); 18 printf("\tNamespace Management/Attachment: %s\n", 19 oacs & 0x08 ? "yes" : "no"); 20 printf("\tFirmware Commit/Image download: %s\n", 21 oacs & 0x04 ? "yes" : "no"); 22 printf("\tFormat NVM: %s\n", 23 oacs & 0x02 ? "yes" : "no"); 24 printf("\tSecurity Send/Receive: %s\n", 25 oacs & 0x01 ? "yes" : "no"); 26 } 27 28 static void print_optional_nvm_cmd(u16 oncs, int devnum) 29 { 30 printf("Blk device %d: Optional NVM Command Support:\n", 31 devnum); 32 printf("\tReservation: %s\n", 33 oncs & 0x10 ? "yes" : "no"); 34 printf("\tSave/Select field in the Set/Get features: %s\n", 35 oncs & 0x08 ? "yes" : "no"); 36 printf("\tWrite Zeroes: %s\n", 37 oncs & 0x04 ? "yes" : "no"); 38 printf("\tDataset Management: %s\n", 39 oncs & 0x02 ? "yes" : "no"); 40 printf("\tWrite Uncorrectable: %s\n", 41 oncs & 0x01 ? "yes" : "no"); 42 } 43 44 static void print_format_nvme_attributes(u8 fna, int devnum) 45 { 46 printf("Blk device %d: Format NVM Attributes:\n", devnum); 47 printf("\tSupport Cryptographic Erase: %s\n", 48 fna & 0x04 ? "yes" : "No"); 49 printf("\tSupport erase a particular namespace: %s\n", 50 fna & 0x02 ? "No" : "Yes"); 51 printf("\tSupport format a particular namespace: %s\n", 52 fna & 0x01 ? "No" : "Yes"); 53 } 54 55 static void print_format(struct nvme_lbaf *lbaf) 56 { 57 u8 str[][10] = {"Best", "Better", "Good", "Degraded"}; 58 59 printf("\t\tMetadata Size: %d\n", le16_to_cpu(lbaf->ms)); 60 printf("\t\tLBA Data Size: %d\n", 1 << lbaf->ds); 61 printf("\t\tRelative Performance: %s\n", str[lbaf->rp & 0x03]); 62 } 63 64 static void print_formats(struct nvme_id_ns *id, struct nvme_ns *ns) 65 { 66 int i; 67 68 printf("Blk device %d: LBA Format Support:\n", ns->devnum); 69 70 for (i = 0; i < id->nlbaf; i++) { 71 printf("\tLBA Foramt %d Support: ", i); 72 if (i == ns->flbas) 73 printf("(current)\n"); 74 else 75 printf("\n"); 76 print_format(id->lbaf + i); 77 } 78 } 79 80 static void print_data_protect_cap(u8 dpc, int devnum) 81 { 82 printf("Blk device %d: End-to-End Data", devnum); 83 printf("Protect Capabilities:\n"); 84 printf("\tAs last eight bytes: %s\n", 85 dpc & 0x10 ? "yes" : "No"); 86 printf("\tAs first eight bytes: %s\n", 87 dpc & 0x08 ? "yes" : "No"); 88 printf("\tSupport Type3: %s\n", 89 dpc & 0x04 ? "yes" : "No"); 90 printf("\tSupport Type2: %s\n", 91 dpc & 0x02 ? "yes" : "No"); 92 printf("\tSupport Type1: %s\n", 93 dpc & 0x01 ? "yes" : "No"); 94 } 95 96 static void print_metadata_cap(u8 mc, int devnum) 97 { 98 printf("Blk device %d: Metadata capabilities:\n", devnum); 99 printf("\tAs part of a separate buffer: %s\n", 100 mc & 0x02 ? "yes" : "No"); 101 printf("\tAs part of an extended data LBA: %s\n", 102 mc & 0x01 ? "yes" : "No"); 103 } 104 105 int nvme_print_info(struct udevice *udev) 106 { 107 struct nvme_ns *ns = dev_get_priv(udev); 108 struct nvme_dev *dev = ns->dev; 109 struct nvme_id_ns buf_ns, *id = &buf_ns; 110 struct nvme_id_ctrl buf_ctrl, *ctrl = &buf_ctrl; 111 112 if (nvme_identify(dev, 0, 1, (dma_addr_t)ctrl)) 113 return -EIO; 114 115 print_optional_admin_cmd(le16_to_cpu(ctrl->oacs), ns->devnum); 116 print_optional_nvm_cmd(le16_to_cpu(ctrl->oncs), ns->devnum); 117 print_format_nvme_attributes(ctrl->fna, ns->devnum); 118 119 if (nvme_identify(dev, ns->ns_id, 0, (dma_addr_t)id)) 120 return -EIO; 121 122 print_formats(id, ns); 123 print_data_protect_cap(id->dpc, ns->devnum); 124 print_metadata_cap(id->mc, ns->devnum); 125 126 return 0; 127 } 128