1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (C) 2016 Intel Corporation. 3 * All rights reserved. 4 */ 5 6 #include "nvme_internal.h" 7 8 struct nvme_quirk { 9 struct spdk_pci_id id; 10 uint64_t flags; 11 }; 12 13 static const struct nvme_quirk nvme_quirks[] = { 14 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_INTEL, 0x0953, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 15 NVME_INTEL_QUIRK_READ_LATENCY | 16 NVME_INTEL_QUIRK_WRITE_LATENCY | 17 NVME_INTEL_QUIRK_STRIPING | 18 NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE | 19 NVME_QUIRK_DELAY_BEFORE_INIT | 20 NVME_QUIRK_MINIMUM_IO_QUEUE_SIZE 21 }, 22 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_INTEL, 0x0A53, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 23 NVME_INTEL_QUIRK_READ_LATENCY | 24 NVME_INTEL_QUIRK_WRITE_LATENCY | 25 NVME_INTEL_QUIRK_STRIPING | 26 NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE | 27 NVME_QUIRK_DELAY_BEFORE_INIT | 28 NVME_QUIRK_MINIMUM_IO_QUEUE_SIZE 29 }, 30 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_INTEL, 0x0A54, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 31 NVME_INTEL_QUIRK_READ_LATENCY | 32 NVME_INTEL_QUIRK_WRITE_LATENCY | 33 NVME_INTEL_QUIRK_STRIPING | 34 NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE | 35 NVME_QUIRK_DELAY_BEFORE_INIT | 36 NVME_QUIRK_MINIMUM_IO_QUEUE_SIZE 37 }, 38 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_INTEL, 0x0A55, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 39 NVME_INTEL_QUIRK_READ_LATENCY | 40 NVME_INTEL_QUIRK_WRITE_LATENCY | 41 NVME_INTEL_QUIRK_STRIPING | 42 NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE | 43 NVME_QUIRK_MINIMUM_IO_QUEUE_SIZE 44 }, 45 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_INTEL, 0x0B60, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 46 NVME_INTEL_QUIRK_READ_LATENCY | 47 NVME_INTEL_QUIRK_WRITE_LATENCY | 48 NVME_INTEL_QUIRK_STRIPING | 49 NVME_QUIRK_MINIMUM_IO_QUEUE_SIZE | 50 NVME_QUIRK_NO_SGL_FOR_DSM 51 }, 52 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_MEMBLAZE, 0x0540, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 53 NVME_QUIRK_DELAY_BEFORE_CHK_RDY 54 }, 55 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_SAMSUNG, 0xa821, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 56 NVME_QUIRK_DELAY_BEFORE_CHK_RDY 57 }, 58 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_SAMSUNG, 0xa822, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 59 NVME_QUIRK_DELAY_BEFORE_CHK_RDY 60 }, 61 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_SAMSUNG, 0xa826, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 62 NVME_QUIRK_DELAY_BEFORE_CHK_RDY 63 }, 64 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_VIRTUALBOX, 0x4e56, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 65 NVME_QUIRK_DELAY_AFTER_QUEUE_ALLOC 66 }, 67 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_INTEL, 0x5845, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 68 NVME_INTEL_QUIRK_NO_LOG_PAGES | 69 NVME_QUIRK_MAXIMUM_PCI_ACCESS_WIDTH 70 }, 71 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_REDHAT, 0x0010, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 72 NVME_QUIRK_MAXIMUM_PCI_ACCESS_WIDTH 73 }, 74 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_CNEXLABS, 0x1f1f, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 75 NVME_QUIRK_IDENTIFY_CNS | 76 NVME_QUIRK_OCSSD 77 }, 78 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_VMWARE, 0x07f0, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 79 NVME_QUIRK_SHST_COMPLETE 80 }, 81 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_INTEL, 0x2700, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 82 NVME_QUIRK_OACS_SECURITY 83 }, 84 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_INTEL, 0x4140, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 85 NVME_QUIRK_MDTS_EXCLUDE_MD 86 }, 87 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_HUAWEI, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 88 NVME_QUIRK_NOT_USE_SGL 89 }, 90 { {SPDK_PCI_CLASS_NVME, SPDK_PCI_VID_MICROSOFT, 0xb111, SPDK_PCI_ANY_ID, SPDK_PCI_ANY_ID}, 91 NVME_QUIRK_MINIMUM_ADMIN_QUEUE_SIZE 92 }, 93 { {0x000000, 0x0000, 0x0000, 0x0000, 0x0000}, 0} 94 }; 95 96 /* Compare each field. SPDK_PCI_ANY_ID in s1 matches everything */ 97 static bool 98 pci_id_match(const struct spdk_pci_id *s1, const struct spdk_pci_id *s2) 99 { 100 if ((s1->class_id == SPDK_PCI_CLASS_ANY_ID || s1->class_id == s2->class_id) && 101 (s1->vendor_id == SPDK_PCI_ANY_ID || s1->vendor_id == s2->vendor_id) && 102 (s1->device_id == SPDK_PCI_ANY_ID || s1->device_id == s2->device_id) && 103 (s1->subvendor_id == SPDK_PCI_ANY_ID || s1->subvendor_id == s2->subvendor_id) && 104 (s1->subdevice_id == SPDK_PCI_ANY_ID || s1->subdevice_id == s2->subdevice_id)) { 105 return true; 106 } 107 return false; 108 } 109 110 uint64_t 111 nvme_get_quirks(const struct spdk_pci_id *id) 112 { 113 const struct nvme_quirk *quirk = nvme_quirks; 114 115 SPDK_DEBUGLOG(nvme, "Searching for %04x:%04x [%04x:%04x]...\n", 116 id->vendor_id, id->device_id, 117 id->subvendor_id, id->subdevice_id); 118 119 while (quirk->id.vendor_id) { 120 if (pci_id_match(&quirk->id, id)) { 121 SPDK_DEBUGLOG(nvme, "Matched quirk %04x:%04x [%04x:%04x]:\n", 122 quirk->id.vendor_id, quirk->id.device_id, 123 quirk->id.subvendor_id, quirk->id.subdevice_id); 124 125 #define PRINT_QUIRK(quirk_flag) \ 126 do { \ 127 if (quirk->flags & (quirk_flag)) { \ 128 SPDK_DEBUGLOG(nvme, "Quirk enabled: %s\n", #quirk_flag); \ 129 } \ 130 } while (0) 131 132 PRINT_QUIRK(NVME_INTEL_QUIRK_READ_LATENCY); 133 PRINT_QUIRK(NVME_INTEL_QUIRK_WRITE_LATENCY); 134 PRINT_QUIRK(NVME_QUIRK_DELAY_BEFORE_CHK_RDY); 135 PRINT_QUIRK(NVME_INTEL_QUIRK_STRIPING); 136 PRINT_QUIRK(NVME_QUIRK_DELAY_AFTER_QUEUE_ALLOC); 137 PRINT_QUIRK(NVME_QUIRK_READ_ZERO_AFTER_DEALLOCATE); 138 PRINT_QUIRK(NVME_QUIRK_IDENTIFY_CNS); 139 PRINT_QUIRK(NVME_QUIRK_OCSSD); 140 141 return quirk->flags; 142 } 143 quirk++; 144 } 145 146 SPDK_DEBUGLOG(nvme, "No quirks found.\n"); 147 148 return 0; 149 } 150