^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Quirks for AMD IOMMU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2019 Kai-Heng Feng <kai.heng.feng@canonical.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifdef CONFIG_DMI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/dmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "amd_iommu.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define IVHD_SPECIAL_IOAPIC 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct ivrs_quirk_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) u8 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) u16 devid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) DELL_INSPIRON_7375 = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) DELL_LATITUDE_5495,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) LENOVO_IDEAPAD_330S_15ARR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static const struct ivrs_quirk_entry ivrs_ioapic_quirks[][3] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /* ivrs_ioapic[4]=00:14.0 ivrs_ioapic[5]=00:00.2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) [DELL_INSPIRON_7375] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) { .id = 4, .devid = 0xa0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) { .id = 5, .devid = 0x2 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /* ivrs_ioapic[4]=00:14.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) [DELL_LATITUDE_5495] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) { .id = 4, .devid = 0xa0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) /* ivrs_ioapic[32]=00:14.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) [LENOVO_IDEAPAD_330S_15ARR] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) { .id = 32, .devid = 0xa0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static int __init ivrs_ioapic_quirk_cb(const struct dmi_system_id *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) const struct ivrs_quirk_entry *i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) for (i = d->driver_data; i->id != 0 && i->devid != 0; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) add_special_device(IVHD_SPECIAL_IOAPIC, i->id, (u16 *)&i->devid, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static const struct dmi_system_id ivrs_quirks[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .callback = ivrs_ioapic_quirk_cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .ident = "Dell Inspiron 7375",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7375"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .driver_data = (void *)&ivrs_ioapic_quirks[DELL_INSPIRON_7375],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .callback = ivrs_ioapic_quirk_cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .ident = "Dell Latitude 5495",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 5495"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .driver_data = (void *)&ivrs_ioapic_quirks[DELL_LATITUDE_5495],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * Acer Aspire A315-41 requires the very same workaround as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * Dell Latitude 5495
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .callback = ivrs_ioapic_quirk_cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .ident = "Acer Aspire A315-41",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-41"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .driver_data = (void *)&ivrs_ioapic_quirks[DELL_LATITUDE_5495],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .callback = ivrs_ioapic_quirk_cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .ident = "Lenovo ideapad 330S-15ARR",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .matches = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) DMI_MATCH(DMI_PRODUCT_NAME, "81FB"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .driver_data = (void *)&ivrs_ioapic_quirks[LENOVO_IDEAPAD_330S_15ARR],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) void __init amd_iommu_apply_ivrs_quirks(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) dmi_check_system(ivrs_quirks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags