diff --git a/0215-powerpc-do-CAS-in-a-more-compatible-way.patch b/0215-powerpc-do-CAS-in-a-more-compatible-way.patch new file mode 100644 index 0000000..20b95f7 --- /dev/null +++ b/0215-powerpc-do-CAS-in-a-more-compatible-way.patch @@ -0,0 +1,110 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Daniel Axtens +Date: Fri, 8 Apr 2022 12:35:28 +1000 +Subject: [PATCH] powerpc: do CAS in a more compatible way + +I wrongly assumed that the most compatible way to perform CAS +negotiation was to only set the minimum number of vectors required +to ask for more memory. It turns out that this messes up booting +if the minimum VP capacity would be less than the default 10% in +vector 4. + +Linux configures the minimum capacity to be 1%, so copy it for that +and for vector 3 which we now need to specify as well. + +Signed-off-by: Daniel Axtens +--- + grub-core/kern/ieee1275/init.c | 54 ++++++++++++++++++++++++------------------ + 1 file changed, 31 insertions(+), 23 deletions(-) + +diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c +index 9704715c83..ef55107467 100644 +--- a/grub-core/kern/ieee1275/init.c ++++ b/grub-core/kern/ieee1275/init.c +@@ -298,33 +298,37 @@ grub_ieee1275_total_mem (grub_uint64_t *total) + + /* Based on linux - arch/powerpc/kernel/prom_init.c */ + struct option_vector2 { +- grub_uint8_t byte1; +- grub_uint16_t reserved; +- grub_uint32_t real_base; +- grub_uint32_t real_size; +- grub_uint32_t virt_base; +- grub_uint32_t virt_size; +- grub_uint32_t load_base; +- grub_uint32_t min_rma; +- grub_uint32_t min_load; +- grub_uint8_t min_rma_percent; +- grub_uint8_t max_pft_size; ++ grub_uint8_t byte1; ++ grub_uint16_t reserved; ++ grub_uint32_t real_base; ++ grub_uint32_t real_size; ++ grub_uint32_t virt_base; ++ grub_uint32_t virt_size; ++ grub_uint32_t load_base; ++ grub_uint32_t min_rma; ++ grub_uint32_t min_load; ++ grub_uint8_t min_rma_percent; ++ grub_uint8_t max_pft_size; + } __attribute__((packed)); + + struct pvr_entry { +- grub_uint32_t mask; +- grub_uint32_t entry; ++ grub_uint32_t mask; ++ grub_uint32_t entry; + }; + + struct cas_vector { +- struct { +- struct pvr_entry terminal; +- } pvr_list; +- grub_uint8_t num_vecs; +- grub_uint8_t vec1_size; +- grub_uint8_t vec1; +- grub_uint8_t vec2_size; +- struct option_vector2 vec2; ++ struct { ++ struct pvr_entry terminal; ++ } pvr_list; ++ grub_uint8_t num_vecs; ++ grub_uint8_t vec1_size; ++ grub_uint8_t vec1; ++ grub_uint8_t vec2_size; ++ struct option_vector2 vec2; ++ grub_uint8_t vec3_size; ++ grub_uint16_t vec3; ++ grub_uint8_t vec4_size; ++ grub_uint16_t vec4; + } __attribute__((packed)); + + /* Call ibm,client-architecture-support to try to get more RMA. +@@ -345,13 +349,17 @@ grub_ieee1275_ibm_cas (void) + } args; + struct cas_vector vector = { + .pvr_list = { { 0x00000000, 0xffffffff } }, /* any processor */ +- .num_vecs = 2 - 1, ++ .num_vecs = 4 - 1, + .vec1_size = 0, + .vec1 = 0x80, /* ignore */ + .vec2_size = 1 + sizeof(struct option_vector2) - 2, + .vec2 = { + 0, 0, -1, -1, -1, -1, -1, 512, -1, 0, 48 + }, ++ .vec3_size = 2 - 1, ++ .vec3 = 0x00e0, // ask for FP + VMX + DFP but don't halt if unsatisfied ++ .vec4_size = 2 - 1, ++ .vec4 = 0x0001, // set required minimum capacity % to the lowest value + }; + + INIT_IEEE1275_COMMON (&args.common, "call-method", 3, 2); +@@ -364,7 +372,7 @@ grub_ieee1275_ibm_cas (void) + args.ihandle = root; + args.cas_addr = (grub_ieee1275_cell_t)&vector; + +- grub_printf("Calling ibm,client-architecture-support..."); ++ grub_printf("Calling ibm,client-architecture-support from grub..."); + IEEE1275_CALL_ENTRY_FN (&args); + grub_printf("done\n"); + diff --git a/0216-powerpc-prefix-detection-support-device-names-with-c.patch b/0216-powerpc-prefix-detection-support-device-names-with-c.patch new file mode 100644 index 0000000..1c16fd3 --- /dev/null +++ b/0216-powerpc-prefix-detection-support-device-names-with-c.patch @@ -0,0 +1,71 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Daniel Axtens +Date: Thu, 24 Mar 2022 14:34:32 +1100 +Subject: [PATCH] powerpc: prefix detection: support device names with commas + +Frustratingly, the device name itself can contain an embedded comma: +e.g /pci@800000020000015/pci1014,034A@0/sas/disk@5000c50098a0ee8b + +So my previous approach was wrong: we cannot rely upon the presence +of a comma to say that a partition has been specified! + +It turns out for prefixes like (,gpt2)/grub2 we really want to make +up a full (device,partition)/patch prefix, because root discovery code +in 10_linux will reset the root variable and use search to fill it again. +If you have run grub-install, you probably don't have search built in, +and if you don't have prefix containing (device,partition), grub will +construct ($root)$prefix/powerpc-ieee1275/search.mod - but because $root +has just been changed, this will no longer work, and the boot will fail! + +Retain the gist of the logic, but instead of looking for a comma, look for +a leading '('. This matches the earlier code better anyway. + +There's certainly a better fix to be had. But any time you chose to build +with a bare prefix like '/grub2', you're almost certainly going to build in +search anyway, so this will do. + +Signed-off-by: Daniel Axtens +--- + grub-core/kern/main.c | 27 +++++++++++++++++++++------ + 1 file changed, 21 insertions(+), 6 deletions(-) + +diff --git a/grub-core/kern/main.c b/grub-core/kern/main.c +index 993b8a8598..e94a2f78fb 100644 +--- a/grub-core/kern/main.c ++++ b/grub-core/kern/main.c +@@ -242,14 +242,29 @@ grub_set_prefix_and_root (void) + what sorts of paths represent disks with partition tables and those + without partition tables. + +- So we act unless there is a comma in the device, which would indicate +- a partition has already been specified. ++ - Frustratingly, the device name itself can contain an embedded comma: ++ /pci@800000020000015/pci1014,034A@0/sas/disk@5000c50098a0ee8b ++ So we cannot even rely upon the presence of a comma to say that a ++ partition has been specified! + +- (If we only have a path, the code in normal to discover config files +- will try both without partitions and then with any partitions so we +- will cover both CDs and HDs.) ++ If we only have a path in $prefix, the code in normal to discover ++ config files will try all disks, both without partitions and then with ++ any partitions so we will cover both CDs and HDs. ++ ++ However, it doesn't then set the prefix to be something like ++ (discovered partition)/path, and so it is fragile against runtime ++ changes to $root. For example some of the stuff done in 10_linux to ++ reload $root sets root differently and then uses search to find it ++ again. If the search module is not built in, when we change root, grub ++ will look in (new root)/path/powerpc-ieee1275, that won't work, and we ++ will not be able to load the search module and the boot will fail. ++ ++ This is particularly likely to hit us in the grub-install ++ (,msdos2)/grub2 case, so we act unless the supplied prefix starts with ++ '(', which would likely indicate a partition has already been ++ specified. + */ +- if (grub_strchr (device, ',') == NULL) ++ if (prefix && prefix[0] != '(') + grub_env_set ("prefix", path); + else + #endif diff --git a/0217-ibmvtpm-Add-support-for-trusted-boot-using-a-vTPM-2..patch b/0217-ibmvtpm-Add-support-for-trusted-boot-using-a-vTPM-2..patch new file mode 100644 index 0000000..3c73469 --- /dev/null +++ b/0217-ibmvtpm-Add-support-for-trusted-boot-using-a-vTPM-2..patch @@ -0,0 +1,236 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Stefan Berger +Date: Sun, 15 Mar 2020 12:37:10 -0400 +Subject: [PATCH] ibmvtpm: Add support for trusted boot using a vTPM 2.0 + +Add support for trusted boot using a vTPM 2.0 on the IBM IEEE1275 +PowerPC platform. With this patch grub now measures text and binary data +into the TPM's PCRs 8 and 9 in the same way as the x86_64 platform +does. + +This patch requires Daniel Axtens's patches for claiming more memory. + +For vTPM support to work on PowerVM, system driver levels 1010.30 +or 1020.00 are required. + +Note: Previous versions of firmware levels with the 2hash-ext-log +API call have a bug that, once this API call is invoked, has the +effect of disabling the vTPM driver under Linux causing an error +message to be displayed in the Linux kernel log. Those users will +have to update their machines to the firmware levels mentioned +above. + +Cc: Eric Snowberg +Signed-off-by: Stefan Berger +--- + grub-core/Makefile.core.def | 7 ++ + grub-core/commands/ieee1275/ibmvtpm.c | 152 ++++++++++++++++++++++++++++++++++ + include/grub/ieee1275/ieee1275.h | 3 + + docs/grub.texi | 3 +- + 4 files changed, 164 insertions(+), 1 deletion(-) + create mode 100644 grub-core/commands/ieee1275/ibmvtpm.c + +diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def +index 3c0ac3b7bd..2c1608bca4 100644 +--- a/grub-core/Makefile.core.def ++++ b/grub-core/Makefile.core.def +@@ -1175,6 +1175,13 @@ module = { + enable = powerpc_ieee1275; + }; + ++module = { ++ name = tpm; ++ common = commands/tpm.c; ++ ieee1275 = commands/ieee1275/ibmvtpm.c; ++ enable = powerpc_ieee1275; ++}; ++ + module = { + name = terminal; + common = commands/terminal.c; +diff --git a/grub-core/commands/ieee1275/ibmvtpm.c b/grub-core/commands/ieee1275/ibmvtpm.c +new file mode 100644 +index 0000000000..e68b8448bc +--- /dev/null ++++ b/grub-core/commands/ieee1275/ibmvtpm.c +@@ -0,0 +1,152 @@ ++/* ++ * GRUB -- GRand Unified Bootloader ++ * Copyright (C) 2021 Free Software Foundation, Inc. ++ * Copyright (C) 2021 IBM Corporation ++ * ++ * GRUB is free software: you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation, either version 3 of the License, or ++ * (at your option) any later version. ++ * ++ * GRUB is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with GRUB. If not, see . ++ * ++ * IBM vTPM support code. ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++static grub_ieee1275_ihandle_t tpm_ihandle; ++static grub_uint8_t tpm_version; ++ ++#define IEEE1275_IHANDLE_INVALID ((grub_ieee1275_ihandle_t)0) ++ ++static void ++tpm_get_tpm_version (void) ++{ ++ grub_ieee1275_phandle_t vtpm; ++ char buffer[20]; ++ ++ if (!grub_ieee1275_finddevice ("/vdevice/vtpm", &vtpm) && ++ !grub_ieee1275_get_property (vtpm, "compatible", buffer, ++ sizeof (buffer), NULL) && ++ !grub_strcmp (buffer, "IBM,vtpm20")) ++ tpm_version = 2; ++} ++ ++static grub_err_t ++tpm_init (void) ++{ ++ static int init_success = 0; ++ ++ if (!init_success) ++ { ++ if (grub_ieee1275_open ("/vdevice/vtpm", &tpm_ihandle) < 0) { ++ tpm_ihandle = IEEE1275_IHANDLE_INVALID; ++ return GRUB_ERR_UNKNOWN_DEVICE; ++ } ++ ++ init_success = 1; ++ ++ tpm_get_tpm_version (); ++ } ++ ++ return GRUB_ERR_NONE; ++} ++ ++static int ++ibmvtpm_2hash_ext_log (grub_uint8_t pcrindex, ++ grub_uint32_t eventtype, ++ const char *description, ++ grub_size_t description_size, ++ void *buf, grub_size_t size) ++{ ++ struct tpm_2hash_ext_log ++ { ++ struct grub_ieee1275_common_hdr common; ++ grub_ieee1275_cell_t method; ++ grub_ieee1275_cell_t ihandle; ++ grub_ieee1275_cell_t size; ++ grub_ieee1275_cell_t buf; ++ grub_ieee1275_cell_t description_size; ++ grub_ieee1275_cell_t description; ++ grub_ieee1275_cell_t eventtype; ++ grub_ieee1275_cell_t pcrindex; ++ grub_ieee1275_cell_t catch_result; ++ grub_ieee1275_cell_t rc; ++ } ++ args; ++ ++ INIT_IEEE1275_COMMON (&args.common, "call-method", 8, 2); ++ args.method = (grub_ieee1275_cell_t) "2hash-ext-log"; ++ args.ihandle = tpm_ihandle; ++ args.pcrindex = pcrindex; ++ args.eventtype = eventtype; ++ args.description = (grub_ieee1275_cell_t) description; ++ args.description_size = description_size; ++ args.buf = (grub_ieee1275_cell_t) buf; ++ args.size = (grub_ieee1275_cell_t) size; ++ ++ if (IEEE1275_CALL_ENTRY_FN (&args) == -1) ++ return -1; ++ ++ /* ++ * catch_result is set if firmware does not support 2hash-ext-log ++ * rc is GRUB_IEEE1275_CELL_FALSE (0) on failure ++ */ ++ if ((args.catch_result) || args.rc == GRUB_IEEE1275_CELL_FALSE) ++ return -1; ++ ++ return 0; ++} ++ ++static grub_err_t ++tpm2_log_event (unsigned char *buf, ++ grub_size_t size, grub_uint8_t pcr, ++ const char *description) ++{ ++ static int error_displayed = 0; ++ int err; ++ ++ err = ibmvtpm_2hash_ext_log (pcr, EV_IPL, ++ description, ++ grub_strlen(description) + 1, ++ buf, size); ++ if (err && !error_displayed) ++ { ++ error_displayed++; ++ return grub_error (GRUB_ERR_BAD_DEVICE, ++ "2HASH-EXT-LOG failed: Firmware is likely too old.\n"); ++ } ++ ++ return GRUB_ERR_NONE; ++} ++ ++grub_err_t ++grub_tpm_measure (unsigned char *buf, grub_size_t size, grub_uint8_t pcr, ++ const char *description) ++{ ++ grub_err_t err = tpm_init(); ++ ++ /* Absence of a TPM isn't a failure. */ ++ if (err != GRUB_ERR_NONE) ++ return GRUB_ERR_NONE; ++ ++ grub_dprintf ("tpm", "log_event, pcr = %d, size = 0x%" PRIxGRUB_SIZE ", %s\n", ++ pcr, size, description); ++ ++ if (tpm_version == 2) ++ return tpm2_log_event (buf, size, pcr, description); ++ ++ return GRUB_ERR_NONE; ++} +diff --git a/include/grub/ieee1275/ieee1275.h b/include/grub/ieee1275/ieee1275.h +index e0a6c2ce1e..f4c85265fe 100644 +--- a/include/grub/ieee1275/ieee1275.h ++++ b/include/grub/ieee1275/ieee1275.h +@@ -24,6 +24,9 @@ + #include + #include + ++#define GRUB_IEEE1275_CELL_FALSE ((grub_ieee1275_cell_t) 0) ++#define GRUB_IEEE1275_CELL_TRUE ((grub_ieee1275_cell_t) -1) ++ + struct grub_ieee1275_mem_region + { + unsigned int start; +diff --git a/docs/grub.texi b/docs/grub.texi +index a4da9c2a1b..c433240f34 100644 +--- a/docs/grub.texi ++++ b/docs/grub.texi +@@ -6221,7 +6221,8 @@ tpm module is loaded. As such it is recommended that the tpm module be built + into @file{core.img} in order to avoid a potential gap in measurement between + @file{core.img} being loaded and the tpm module being loaded. + +-Measured boot is currently only supported on EFI platforms. ++Measured boot is currently only supported on EFI and IBM IEEE1275 PowerPC ++platforms. + + @node Lockdown + @section Lockdown when booting on a secure setup diff --git a/grub.patches b/grub.patches index 286d011..31f747b 100644 --- a/grub.patches +++ b/grub.patches @@ -212,3 +212,6 @@ Patch0211: 0211-grub-core-loader-i386-efi-linux.c-do-not-validate-ke.patch Patch0212: 0212-grub-core-loader-arm64-linux.c-do-not-validate-kerne.patch Patch0213: 0213-grub-core-loader-efi-chainloader.c-do-not-validate-c.patch Patch0214: 0214-grub-core-loader-efi-linux.c-drop-now-unused-grub_li.patch +Patch0215: 0215-powerpc-do-CAS-in-a-more-compatible-way.patch +Patch0216: 0216-powerpc-prefix-detection-support-device-names-with-c.patch +Patch0217: 0217-ibmvtpm-Add-support-for-trusted-boot-using-a-vTPM-2..patch diff --git a/grub2.spec b/grub2.spec index d8378f8..6380653 100644 --- a/grub2.spec +++ b/grub2.spec @@ -17,7 +17,7 @@ Name: grub2 Epoch: 1 Version: 2.06 -Release: 38%{?dist} +Release: 39%{?dist} Summary: Bootloader with support for Linux, Multiboot and more License: GPLv3+ URL: http://www.gnu.org/software/grub/ @@ -530,6 +530,9 @@ mv ${EFI_HOME}/grub.cfg.stb ${EFI_HOME}/grub.cfg %endif %changelog +* Wed May 04 2022 Robbie Harwood - 1:2.06-39 +- ppc64le: CAS improvements, prefix detection, and vTPM support + * Tue Apr 19 2022 Dominik Mierzejewski - 1:2.06-38 - fix "grub2-mkrescue: error: `mformat` invocation failed"