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envelope-from=eric.devolder@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -8 X-Spam_score: -0.9 X-Spam_bar: / X-Spam_report: (-0.9 / 5.0 requ) DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Following the guidelines in tests/qtest/bios-tables-test.c, this change adds empty placeholder files per step 1 for the new ERST table, and excludes resulting changed files in bios-tables-test-allowed-diff.h per step 2. Signed-off-by: Eric DeVolder Acked-by: Igor Mammedov --- tests/data/acpi/microvm/ERST | 0 tests/data/acpi/pc/ERST | 0 tests/data/acpi/q35/ERST | 0 tests/qtest/bios-tables-test-allowed-diff.h | 6 ++++++ 4 files changed, 6 insertions(+) create mode 100644 tests/data/acpi/microvm/ERST create mode 100644 tests/data/acpi/pc/ERST create mode 100644 tests/data/acpi/q35/ERST diff --git a/tests/data/acpi/microvm/ERST b/tests/data/acpi/microvm/ERST new file mode 100644 index 0000000..e69de29 diff --git a/tests/data/acpi/pc/ERST b/tests/data/acpi/pc/ERST new file mode 100644 index 0000000..e69de29 diff --git a/tests/data/acpi/q35/ERST b/tests/data/acpi/q35/ERST new file mode 100644 index 0000000..e69de29 diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index dfb8523..b3aaf76 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1 +1,7 @@ /* List of comma-separated changed AML files to ignore */ +"tests/data/acpi/pc/ERST", +"tests/data/acpi/q35/ERST", +"tests/data/acpi/microvm/ERST", +"tests/data/acpi/pc/DSDT", +"tests/data/acpi/q35/DSDT", +"tests/data/acpi/microvm/DSDT", From patchwork Thu Aug 5 22:30:31 2021 Content-Type: text/plain; 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envelope-from=eric.devolder@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Information on the implementation of the ACPI ERST support. Signed-off-by: Eric DeVolder Acked-by: Ani Sinha --- docs/specs/acpi_erst.txt | 147 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 docs/specs/acpi_erst.txt diff --git a/docs/specs/acpi_erst.txt b/docs/specs/acpi_erst.txt new file mode 100644 index 0000000..7f7544f --- /dev/null +++ b/docs/specs/acpi_erst.txt @@ -0,0 +1,147 @@ +ACPI ERST DEVICE +================ + +The ACPI ERST device is utilized to support the ACPI Error Record +Serialization Table, ERST, functionality. This feature is designed for +storing error records in persistent storage for future reference +and/or debugging. + +The ACPI specification[1], in Chapter "ACPI Platform Error Interfaces +(APEI)", and specifically subsection "Error Serialization", outlines a +method for storing error records into persistent storage. + +The format of error records is described in the UEFI specification[2], +in Appendix N "Common Platform Error Record". + +While the ACPI specification allows for an NVRAM "mode" (see +GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES) where non-volatile RAM is +directly exposed for direct access by the OS/guest, this device +implements the non-NVRAM "mode". This non-NVRAM "mode" is what is +implemented by most BIOS (since flash memory requires programming +operations in order to update its contents). Furthermore, as of the +time of this writing, Linux only supports the non-NVRAM "mode". + + +Background/Motivation +--------------------- + +Linux uses the persistent storage filesystem, pstore, to record +information (eg. dmesg tail) upon panics and shutdowns. Pstore is +independent of, and runs before, kdump. In certain scenarios (ie. +hosts/guests with root filesystems on NFS/iSCSI where networking +software and/or hardware fails), pstore may contain information +available for post-mortem debugging. + +Two common storage backends for the pstore filesystem are ACPI ERST +and UEFI. Most BIOS implement ACPI ERST. UEFI is not utilized in all +guests. With QEMU supporting ACPI ERST, it becomes a viable pstore +storage backend for virtual machines (as it is now for bare metal +machines). + +Enabling support for ACPI ERST facilitates a consistent method to +capture kernel panic information in a wide range of guests: from +resource-constrained microvms to very large guests, and in particular, +in direct-boot environments (which would lack UEFI run-time services). + +Note that Microsoft Windows also utilizes the ACPI ERST for certain +crash information, if available[3]. + + +Configuration|Usage +------------------- + +To use ACPI ERST, a memory-backend-file object and acpi-erst device +can be created, for example: + + qemu ... + -object memory-backend-file,id=erstnvram,mem-path=acpi-erst.backing,size=0x10000,share=on \ + -device acpi-erst,memdev=erstnvram + +For proper operation, the ACPI ERST device needs a memory-backend-file +object with the following parameters: + + - id: The id of the memory-backend-file object is used to associate + this memory with the acpi-erst device. + - size: The size of the ACPI ERST backing storage. This parameter is + required. + - mem-path: The location of the ACPI ERST backing storage file. This + parameter is also required. + - share: The share=on parameter is required so that updates to the + ERST backing store are written to the file. + +and ERST device: + + - memdev: Is the object id of the memory-backend-file. + + +PCI Interface +------------- + +The ERST device is a PCI device with two BARs, one for accessing the +programming registers, and the other for accessing the record exchange +buffer. + +BAR0 contains the programming interface consisting of ACTION and VALUE +64-bit registers. All ERST actions/operations/side effects happen on +the write to the ACTION, by design. Any data needed by the action must +be placed into VALUE prior to writing ACTION. Reading the VALUE +simply returns the register contents, which can be updated by a +previous ACTION. + +BAR1 contains the 8KiB record exchange buffer, which is the +implemented maximum record size. + + +Backend Storage Format +---------------------- + +The backend storage is divided into fixed size "slots", 8KiB in +length, with each slot storing a single record. Not all slots need to +be occupied, and they need not be occupied in a contiguous fashion. +The ability to clear/erase specific records allows for the formation +of unoccupied slots. + +Slot 0 is reserved for a backend storage header that identifies the +contents as ERST and also facilitates efficient access to the records. +Depending upon the size of the backend storage, additional slots will +be reserved to be a part of the slot 0 header. For example, at 8KiB, +the slot 0 header can accomodate 1024 records. Thus a storage size +above 8MiB (8KiB * 1024) requires an additional slot. In this +scenario, slot 0 and slot 1 form the backend storage header, and +records can be stored starting at slot 2. + +Below is an example layout of the backend storage format (for storage +size less than 8MiB). The size of the storage is a multiple of 8KiB, +and contains N number of slots to store records. The example below +shows two records (in CPER format) in the backend storage, while the +remaining slots are empty/available. + + Slot Record + +--------------------------------------------+ + 0 | reserved: storage header | + +--------------------------------------------+ + 1 | empty/available | + +--------------------------------------------+ + 2 | CPER | + +--------------------------------------------+ + 3 | CPER | + +--------------------------------------------+ + ... | | + +--------------------------------------------+ + N | empty/available | + +--------------------------------------------+ + <------------------ 8KiB --------------------> + + + +References +---------- + +[1] "Advanced Configuration and Power Interface Specification", + version 4.0, June 2009. + +[2] "Unified Extensible Firmware Interface Specification", + version 2.1, October 2008. + +[3] "Windows Hardware Error Architecture", specfically + "Error Record Persistence Mechanism". 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envelope-from=eric.devolder@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This change reserves the PCI device_id for the new ACPI ERST device. Signed-off-by: Eric DeVolder Acked-by: Igor Mammedov --- include/hw/pci/pci.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index d0f4266..58101d8 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -108,6 +108,7 @@ extern bool pci_available; #define PCI_DEVICE_ID_REDHAT_MDPY 0x000f #define PCI_DEVICE_ID_REDHAT_NVME 0x0010 #define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0011 +#define PCI_DEVICE_ID_REDHAT_ACPI_ERST 0x0012 #define PCI_DEVICE_ID_REDHAT_QXL 0x0100 #define FMT_PCIBUS PRIx64 From patchwork Thu Aug 5 22:30:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric DeVolder X-Patchwork-Id: 1514136 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; 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envelope-from=eric.devolder@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This change introduces the public defintions for ACPI ERST. Signed-off-by: Eric DeVolder --- include/hw/acpi/erst.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 include/hw/acpi/erst.h diff --git a/include/hw/acpi/erst.h b/include/hw/acpi/erst.h new file mode 100644 index 0000000..9d63717 --- /dev/null +++ b/include/hw/acpi/erst.h @@ -0,0 +1,19 @@ +/* + * ACPI Error Record Serialization Table, ERST, Implementation + * + * ACPI ERST introduced in ACPI 4.0, June 16, 2009. + * ACPI Platform Error Interfaces : Error Serialization + * + * Copyright (c) 2021 Oracle and/or its affiliates. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef HW_ACPI_ERST_H +#define HW_ACPI_ERST_H + +void build_erst(GArray *table_data, BIOSLinker *linker, Object *erst_dev, + const char *oem_id, const char *oem_table_id); + +#define TYPE_ACPI_ERST "acpi-erst" + +#endif From patchwork Thu Aug 5 22:30:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric DeVolder X-Patchwork-Id: 1514145 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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envelope-from=eric.devolder@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This implements a PCI device for ACPI ERST. This implements the non-NVRAM "mode" of operation for ERST as it is supported by Linux and Windows. Signed-off-by: Eric DeVolder --- hw/acpi/erst.c | 750 +++++++++++++++++++++++++++++++++++++++++++++++++++ hw/acpi/meson.build | 1 + hw/acpi/trace-events | 15 ++ 3 files changed, 766 insertions(+) create mode 100644 hw/acpi/erst.c diff --git a/hw/acpi/erst.c b/hw/acpi/erst.c new file mode 100644 index 0000000..eb4ab34 --- /dev/null +++ b/hw/acpi/erst.c @@ -0,0 +1,750 @@ +/* + * ACPI Error Record Serialization Table, ERST, Implementation + * + * ACPI ERST introduced in ACPI 4.0, June 16, 2009. + * ACPI Platform Error Interfaces : Error Serialization + * + * Copyright (c) 2021 Oracle and/or its affiliates. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include +#include +#include + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "hw/qdev-core.h" +#include "exec/memory.h" +#include "qom/object.h" +#include "hw/pci/pci.h" +#include "qom/object_interfaces.h" +#include "qemu/error-report.h" +#include "migration/vmstate.h" +#include "hw/qdev-properties.h" +#include "hw/acpi/acpi.h" +#include "hw/acpi/acpi-defs.h" +#include "hw/acpi/aml-build.h" +#include "hw/acpi/bios-linker-loader.h" +#include "exec/address-spaces.h" +#include "sysemu/hostmem.h" +#include "hw/acpi/erst.h" +#include "trace.h" + +/* ACPI 4.0: Table 17-16 Serialization Actions */ +#define ACTION_BEGIN_WRITE_OPERATION 0x0 +#define ACTION_BEGIN_READ_OPERATION 0x1 +#define ACTION_BEGIN_CLEAR_OPERATION 0x2 +#define ACTION_END_OPERATION 0x3 +#define ACTION_SET_RECORD_OFFSET 0x4 +#define ACTION_EXECUTE_OPERATION 0x5 +#define ACTION_CHECK_BUSY_STATUS 0x6 +#define ACTION_GET_COMMAND_STATUS 0x7 +#define ACTION_GET_RECORD_IDENTIFIER 0x8 +#define ACTION_SET_RECORD_IDENTIFIER 0x9 +#define ACTION_GET_RECORD_COUNT 0xA +#define ACTION_BEGIN_DUMMY_WRITE_OPERATION 0xB +#define ACTION_RESERVED 0xC +#define ACTION_GET_ERROR_LOG_ADDRESS_RANGE 0xD +#define ACTION_GET_ERROR_LOG_ADDRESS_LENGTH 0xE +#define ACTION_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES 0xF +#define ACTION_GET_EXECUTE_OPERATION_TIMINGS 0x10 + +/* ACPI 4.0: Table 17-17 Command Status Definitions */ +#define STATUS_SUCCESS 0x00 +#define STATUS_NOT_ENOUGH_SPACE 0x01 +#define STATUS_HARDWARE_NOT_AVAILABLE 0x02 +#define STATUS_FAILED 0x03 +#define STATUS_RECORD_STORE_EMPTY 0x04 +#define STATUS_RECORD_NOT_FOUND 0x05 + + +/* UEFI 2.1: Appendix N Common Platform Error Record */ +#define UEFI_CPER_RECORD_MIN_SIZE 128U +#define UEFI_CPER_RECORD_LENGTH_OFFSET 20U +#define UEFI_CPER_RECORD_ID_OFFSET 96U +#define IS_UEFI_CPER_RECORD(ptr) \ + (((ptr)[0] == 'C') && \ + ((ptr)[1] == 'P') && \ + ((ptr)[2] == 'E') && \ + ((ptr)[3] == 'R')) +#define THE_UEFI_CPER_RECORD_ID(ptr) \ + (*(uint64_t *)(&(ptr)[UEFI_CPER_RECORD_ID_OFFSET])) + +/* + * This implementation is an ACTION (cmd) and VALUE (data) + * interface consisting of just two 64-bit registers. + */ +#define ERST_REG_SIZE (16UL) +#define ERST_ACTION_OFFSET (0UL) /* action (cmd) */ +#define ERST_VALUE_OFFSET (8UL) /* argument/value (data) */ + +/* + * ERST_RECORD_SIZE is the buffer size for exchanging ERST + * record contents. Thus, it defines the maximum record size. + * As this is mapped through a PCI BAR, it must be a power of + * two and larger than UEFI_CPER_RECORD_MIN_SIZE. + * The backing storage is divided into fixed size "slots", + * each ERST_RECORD_SIZE in length, and each "slot" + * storing a single record. No attempt at optimizing storage + * through compression, compaction, etc is attempted. + * NOTE that slot 0 is reserved for the backing storage header. + * Depending upon the size of the backing storage, additional + * slots will be part of the slot 0 header in order to account + * for a record_id for each available remaining slot. + */ +/* 8KiB records, not too small, not too big */ +#define ERST_RECORD_SIZE (8192UL) + +#define ACPI_ERST_MEMDEV_PROP "memdev" + +/* + * From the ACPI ERST spec sections: + * A record id of all 0s is used to indicate + * 'unspecified' record id. + * A record id of all 1s is used to indicate + * empty or end. + */ +#define ERST_UNSPECIFIED_RECORD_ID (0UL) +#define ERST_EMPTY_END_RECORD_ID (~0UL) +#define ERST_EXECUTE_OPERATION_MAGIC 0x9CUL +#define ERST_IS_VALID_RECORD_ID(rid) \ + ((rid != ERST_UNSPECIFIED_RECORD_ID) && \ + (rid != ERST_EMPTY_END_RECORD_ID)) + +typedef struct erst_storage_header_s { +#define ERST_STORE_MAGIC 0x524F545354535245UL + uint64_t magic; + uint32_t record_size; + uint32_t record_offset; /* offset to record storage beyond header */ + uint16_t version; + uint16_t reserved; + uint32_t record_count; + uint64_t map[]; /* contains record_ids, and position indicates index */ +} erst_storage_header_t; + +/* + * Object cast macro + */ +#define ACPIERST(obj) \ + OBJECT_CHECK(ERSTDeviceState, (obj), TYPE_ACPI_ERST) + +/* + * Main ERST device state structure + */ +typedef struct { + PCIDevice parent_obj; + + /* Backend storage */ + HostMemoryBackend *hostmem; + MemoryRegion *hostmem_mr; + + /* Programming registers */ + MemoryRegion iomem; + + /* Exchange buffer */ + Object *exchange_obj; + HostMemoryBackend *exchange; + MemoryRegion *exchange_mr; + uint32_t storage_size; + + /* Interface state */ + uint8_t operation; + uint8_t busy_status; + uint8_t command_status; + uint32_t record_offset; + uint64_t reg_action; + uint64_t reg_value; + uint64_t record_identifier; + erst_storage_header_t *header; + unsigned next_record_index; + unsigned first_record_index; + unsigned last_record_index; + +} ERSTDeviceState; + +/*******************************************************************/ +/*******************************************************************/ + +static uint8_t *get_nvram_ptr_by_index(ERSTDeviceState *s, unsigned index) +{ + uint8_t *rc = NULL; + off_t offset = (index * ERST_RECORD_SIZE); + if ((offset + ERST_RECORD_SIZE) <= s->storage_size) { + if (s->hostmem_mr) { + uint8_t *p = (uint8_t *)memory_region_get_ram_ptr(s->hostmem_mr); + rc = p + offset; + } + } + return rc; +} + +static void make_erst_storage_header(ERSTDeviceState *s) +{ + erst_storage_header_t *header = s->header; + unsigned mapsz, headersz; + + header->magic = ERST_STORE_MAGIC; + header->record_size = ERST_RECORD_SIZE; + header->version = 0x0101; + header->reserved = 0x0000; + + /* Compute mapsize */ + mapsz = s->storage_size / ERST_RECORD_SIZE; + mapsz *= sizeof(uint64_t); + /* Compute header+map size */ + headersz = sizeof(erst_storage_header_t) + mapsz; + /* Round up to nearest integer multiple of ERST_RECORD_SIZE */ + headersz += (ERST_RECORD_SIZE - 1); + headersz /= ERST_RECORD_SIZE; + headersz *= ERST_RECORD_SIZE; + header->record_offset = headersz; + + /* + * The HostMemoryBackend initializes contents to zero, + * so all record_ids stashed in the map are zero'd. + * As well the record_count is zero. Properly initialized. + */ +} + +static void check_erst_backend_storage(ERSTDeviceState *s, Error **errp) +{ + erst_storage_header_t *header; + + header = (erst_storage_header_t *)get_nvram_ptr_by_index(s, 0); + s->header = header; + + /* Check if header is uninitialized */ + if (header->magic == 0UL) { /* HostMemoryBackend inits to 0 */ + make_erst_storage_header(s); + } + + if (!( + (header->magic == ERST_STORE_MAGIC) && + (header->record_size == ERST_RECORD_SIZE) && + ((header->record_offset % ERST_RECORD_SIZE) == 0) && + (header->version == 0x0101) && + (header->reserved == 0x0000) + )) { + error_setg(errp, "ERST backend storage header is invalid"); + } + + /* Compute offset of first and last record storage slot */ + s->first_record_index = header->record_offset / ERST_RECORD_SIZE; + s->last_record_index = (s->storage_size / ERST_RECORD_SIZE); +} + +static void set_erst_map_by_index(ERSTDeviceState *s, unsigned index, + uint64_t record_id) +{ + if (index < s->last_record_index) { + s->header->map[index] = record_id; + } +} + +static unsigned lookup_erst_record(ERSTDeviceState *s, + uint64_t record_identifier) +{ + unsigned rc = 0; /* 0 not a valid index */ + unsigned index = s->first_record_index; + + /* Find the record_identifier in the map */ + if (record_identifier != ERST_UNSPECIFIED_RECORD_ID) { + /* + * Count number of valid records encountered, and + * short-circuit the loop if identifier not found + */ + unsigned count = 0; + for (; index < s->last_record_index && + count < s->header->record_count; ++index) { + uint64_t map_record_identifier = s->header->map[index]; + if (map_record_identifier != ERST_UNSPECIFIED_RECORD_ID) { + ++count; + } + if (map_record_identifier == record_identifier) { + rc = index; + break; + } + } + } else { + /* Find first available unoccupied slot */ + for (; index < s->last_record_index; ++index) { + if (s->header->map[index] == ERST_UNSPECIFIED_RECORD_ID) { + rc = index; + break; + } + } + } + + return rc; +} + +/* ACPI 4.0: 17.4.2.3 Operations - Clearing */ +static unsigned clear_erst_record(ERSTDeviceState *s) +{ + unsigned rc = STATUS_RECORD_NOT_FOUND; + unsigned index; + + /* Check for valid record identifier */ + if (!ERST_IS_VALID_RECORD_ID(s->record_identifier)) { + return STATUS_FAILED; + } + + index = lookup_erst_record(s, s->record_identifier); + if (index) { + /* No need to wipe record, just invalidate its map entry */ + set_erst_map_by_index(s, index, ERST_UNSPECIFIED_RECORD_ID); + s->header->record_count -= 1; + rc = STATUS_SUCCESS; + } + + return rc; +} + +/* ACPI 4.0: 17.4.2.2 Operations - Reading */ +static unsigned read_erst_record(ERSTDeviceState *s) +{ + unsigned rc = STATUS_RECORD_NOT_FOUND; + unsigned index; + + /* Check record boundary wihin exchange buffer */ + if (s->record_offset >= (ERST_RECORD_SIZE - UEFI_CPER_RECORD_MIN_SIZE)) { + return STATUS_FAILED; + } + + /* Check for valid record identifier */ + if (!ERST_IS_VALID_RECORD_ID(s->record_identifier)) { + return STATUS_FAILED; + } + + index = lookup_erst_record(s, s->record_identifier); + if (index) { + uint8_t *ptr; + uint8_t *record = ((uint8_t *) + memory_region_get_ram_ptr(s->exchange_mr) + + s->record_offset); + ptr = get_nvram_ptr_by_index(s, index); + memcpy(record, ptr, ERST_RECORD_SIZE - s->record_offset); + rc = STATUS_SUCCESS; + } + + return rc; +} + +/* ACPI 4.0: 17.4.2.1 Operations - Writing */ +static unsigned write_erst_record(ERSTDeviceState *s) +{ + unsigned rc = STATUS_FAILED; + unsigned index; + uint64_t record_identifier; + uint8_t *record; + uint8_t *ptr = NULL; + bool record_found = false; + + /* Check record boundary wihin exchange buffer */ + if (s->record_offset >= (ERST_RECORD_SIZE - UEFI_CPER_RECORD_MIN_SIZE)) { + return STATUS_FAILED; + } + + /* Extract record identifier */ + record = ((uint8_t *)memory_region_get_ram_ptr(s->exchange_mr) + + s->record_offset); + record_identifier = THE_UEFI_CPER_RECORD_ID(record); + + /* Check for valid record identifier */ + if (!ERST_IS_VALID_RECORD_ID(record_identifier)) { + return STATUS_FAILED; + } + + index = lookup_erst_record(s, record_identifier); + if (index) { + /* Record found, overwrite existing record */ + ptr = get_nvram_ptr_by_index(s, index); + record_found = true; + } else { + /* Record not found, not an overwrite, allocate for write */ + index = lookup_erst_record(s, ERST_UNSPECIFIED_RECORD_ID); + if (index) { + ptr = get_nvram_ptr_by_index(s, index); + } else { + rc = STATUS_NOT_ENOUGH_SPACE; + } + } + if (ptr) { + memcpy(ptr, record, ERST_RECORD_SIZE - s->record_offset); + if (0 != s->record_offset) { + memset(&ptr[ERST_RECORD_SIZE - s->record_offset], + 0xFF, s->record_offset); + } + if (!record_found) { + s->header->record_count += 1; /* writing new record */ + } + set_erst_map_by_index(s, index, record_identifier); + rc = STATUS_SUCCESS; + } + + return rc; +} + +/* ACPI 4.0: 17.4.2.2 Operations - Reading "During boot..." */ +static unsigned next_erst_record(ERSTDeviceState *s, + uint64_t *record_identifier) +{ + unsigned rc = STATUS_RECORD_NOT_FOUND; + unsigned index = s->next_record_index; + + *record_identifier = ERST_EMPTY_END_RECORD_ID; + + if (s->header->record_count) { + for (; index < s->last_record_index; ++index) { + uint64_t map_record_identifier; + map_record_identifier = s->header->map[index]; + if (map_record_identifier != ERST_UNSPECIFIED_RECORD_ID) { + /* where to start next time */ + s->next_record_index = index + 1; + *record_identifier = map_record_identifier; + rc = STATUS_SUCCESS; + break; + } + } + } + if (rc != STATUS_SUCCESS) { + if (s->next_record_index == s->first_record_index) { + /* + * next_record_identifier is unchanged, no records found + * and *record_identifier contains EMPTY_END id + */ + rc = STATUS_RECORD_STORE_EMPTY; + } + /* at end/scan complete, reset */ + s->next_record_index = s->first_record_index; + } + + return rc; +} + +/*******************************************************************/ + +static uint64_t erst_rd_reg64(hwaddr addr, + uint64_t reg, unsigned size) +{ + uint64_t rdval; + uint64_t mask; + unsigned shift; + + if (size == sizeof(uint64_t)) { + /* 64b access */ + mask = 0xFFFFFFFFFFFFFFFFUL; + shift = 0; + } else { + /* 32b access */ + mask = 0x00000000FFFFFFFFUL; + shift = ((addr & 0x4) == 0x4) ? 32 : 0; + } + + rdval = reg; + rdval >>= shift; + rdval &= mask; + + return rdval; +} + +static uint64_t erst_wr_reg64(hwaddr addr, + uint64_t reg, uint64_t val, unsigned size) +{ + uint64_t wrval; + uint64_t mask; + unsigned shift; + + if (size == sizeof(uint64_t)) { + /* 64b access */ + mask = 0xFFFFFFFFFFFFFFFFUL; + shift = 0; + } else { + /* 32b access */ + mask = 0x00000000FFFFFFFFUL; + shift = ((addr & 0x4) == 0x4) ? 32 : 0; + } + + val &= mask; + val <<= shift; + mask <<= shift; + wrval = reg; + wrval &= ~mask; + wrval |= val; + + return wrval; +} + +static void erst_reg_write(void *opaque, hwaddr addr, + uint64_t val, unsigned size) +{ + ERSTDeviceState *s = (ERSTDeviceState *)opaque; + + /* + * NOTE: All actions/operations/side effects happen on the WRITE, + * by design. The READs simply return the reg_value contents. + */ + trace_acpi_erst_reg_write(addr, val, size); + + switch (addr) { + case ERST_VALUE_OFFSET + 0: + case ERST_VALUE_OFFSET + 4: + s->reg_value = erst_wr_reg64(addr, s->reg_value, val, size); + break; + case ERST_ACTION_OFFSET + 0: +/* case ERST_ACTION_OFFSET+4: as coded, not really a 64b register */ + switch (val) { + case ACTION_BEGIN_WRITE_OPERATION: + case ACTION_BEGIN_READ_OPERATION: + case ACTION_BEGIN_CLEAR_OPERATION: + case ACTION_BEGIN_DUMMY_WRITE_OPERATION: + case ACTION_END_OPERATION: + s->operation = val; + break; + case ACTION_SET_RECORD_OFFSET: + s->record_offset = s->reg_value; + break; + case ACTION_EXECUTE_OPERATION: + if ((uint8_t)s->reg_value == ERST_EXECUTE_OPERATION_MAGIC) { + s->busy_status = 1; + switch (s->operation) { + case ACTION_BEGIN_WRITE_OPERATION: + s->command_status = write_erst_record(s); + break; + case ACTION_BEGIN_READ_OPERATION: + s->command_status = read_erst_record(s); + break; + case ACTION_BEGIN_CLEAR_OPERATION: + s->command_status = clear_erst_record(s); + break; + case ACTION_BEGIN_DUMMY_WRITE_OPERATION: + s->command_status = STATUS_SUCCESS; + break; + case ACTION_END_OPERATION: + s->command_status = STATUS_SUCCESS; + break; + default: + s->command_status = STATUS_FAILED; + break; + } + s->record_identifier = ERST_UNSPECIFIED_RECORD_ID; + s->busy_status = 0; + } + break; + case ACTION_CHECK_BUSY_STATUS: + s->reg_value = s->busy_status; + break; + case ACTION_GET_COMMAND_STATUS: + s->reg_value = s->command_status; + break; + case ACTION_GET_RECORD_IDENTIFIER: + s->command_status = next_erst_record(s, &s->reg_value); + break; + case ACTION_SET_RECORD_IDENTIFIER: + s->record_identifier = s->reg_value; + break; + case ACTION_GET_RECORD_COUNT: + s->reg_value = s->header->record_count; + break; + case ACTION_GET_ERROR_LOG_ADDRESS_RANGE: + s->reg_value = (hwaddr)pci_get_bar_addr(PCI_DEVICE(s), 1); + break; + case ACTION_GET_ERROR_LOG_ADDRESS_LENGTH: + s->reg_value = ERST_RECORD_SIZE; + break; + case ACTION_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES: + s->reg_value = 0x0; /* intentional, not NVRAM mode */ + break; + case ACTION_GET_EXECUTE_OPERATION_TIMINGS: + s->reg_value = + (100ULL << 32) | /* 100us max time */ + (10ULL << 0) ; /* 10us min time */ + break; + default: + /* Unknown action/command, NOP */ + break; + } + break; + default: + /* This should not happen, but if it does, NOP */ + break; + } +} + +static uint64_t erst_reg_read(void *opaque, hwaddr addr, + unsigned size) +{ + ERSTDeviceState *s = (ERSTDeviceState *)opaque; + uint64_t val = 0; + + switch (addr) { + case ERST_ACTION_OFFSET + 0: + case ERST_ACTION_OFFSET + 4: + val = erst_rd_reg64(addr, s->reg_action, size); + break; + case ERST_VALUE_OFFSET + 0: + case ERST_VALUE_OFFSET + 4: + val = erst_rd_reg64(addr, s->reg_value, size); + break; + default: + break; + } + trace_acpi_erst_reg_read(addr, val, size); + return val; +} + +static const MemoryRegionOps erst_reg_ops = { + .read = erst_reg_read, + .write = erst_reg_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +/*******************************************************************/ +/*******************************************************************/ +static int erst_post_load(void *opaque, int version_id) +{ + ERSTDeviceState *s = opaque; + + /* Recompute pointer to header */ + s->header = (erst_storage_header_t *)get_nvram_ptr_by_index(s, 0); + trace_acpi_erst_post_load(s->header); + + return 0; +} + +static const VMStateDescription erst_vmstate = { + .name = "acpi-erst", + .version_id = 1, + .minimum_version_id = 1, + .post_load = erst_post_load, + .fields = (VMStateField[]) { + VMSTATE_UINT32(storage_size, ERSTDeviceState), + VMSTATE_UINT8(operation, ERSTDeviceState), + VMSTATE_UINT8(busy_status, ERSTDeviceState), + VMSTATE_UINT8(command_status, ERSTDeviceState), + VMSTATE_UINT32(record_offset, ERSTDeviceState), + VMSTATE_UINT64(reg_action, ERSTDeviceState), + VMSTATE_UINT64(reg_value, ERSTDeviceState), + VMSTATE_UINT64(record_identifier, ERSTDeviceState), + VMSTATE_UINT32(next_record_index, ERSTDeviceState), + VMSTATE_UINT32(first_record_index, ERSTDeviceState), + VMSTATE_UINT32(last_record_index, ERSTDeviceState), + VMSTATE_END_OF_LIST() + } +}; + +static void erst_realizefn(PCIDevice *pci_dev, Error **errp) +{ + ERSTDeviceState *s = ACPIERST(pci_dev); + + trace_acpi_erst_realizefn_in(); + + if (!s->hostmem) { + error_setg(errp, "'" ACPI_ERST_MEMDEV_PROP "' property is not set"); + return; + } else if (host_memory_backend_is_mapped(s->hostmem)) { + error_setg(errp, "can't use already busy memdev: %s", + object_get_canonical_path_component(OBJECT(s->hostmem))); + return; + } + + s->hostmem_mr = host_memory_backend_get_memory(s->hostmem); + + /* HostMemoryBackend size will be multiple of PAGE_SIZE */ + s->storage_size = object_property_get_int(OBJECT(s->hostmem), "size", errp); + + /* Check storage_size against ERST_RECORD_SIZE */ + if (((s->storage_size % ERST_RECORD_SIZE) != 0) || + (ERST_RECORD_SIZE > s->storage_size)) { + error_setg(errp, "ACPI ERST requires size be multiple of " + "record size (%luKiB)", ERST_RECORD_SIZE); + } + + /* Initialize backend storage and record_count */ + check_erst_backend_storage(s, errp); + + /* BAR 0: Programming registers */ + memory_region_init_io(&s->iomem, OBJECT(pci_dev), &erst_reg_ops, s, + TYPE_ACPI_ERST, ERST_REG_SIZE); + pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->iomem); + + /* BAR 1: Exchange buffer memory */ + /* Create a hostmem object to use as the exchange buffer */ + s->exchange_obj = object_new(TYPE_MEMORY_BACKEND_RAM); + object_property_set_int(s->exchange_obj, "size", ERST_RECORD_SIZE, errp); + user_creatable_complete(USER_CREATABLE(s->exchange_obj), errp); + s->exchange = MEMORY_BACKEND(s->exchange_obj); + host_memory_backend_set_mapped(s->exchange, true); + s->exchange_mr = host_memory_backend_get_memory(s->exchange); + memory_region_init_resizeable_ram(s->exchange_mr, OBJECT(pci_dev), + TYPE_ACPI_ERST, ERST_RECORD_SIZE, ERST_RECORD_SIZE, NULL, errp); + pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, s->exchange_mr); + /* Include the exchange buffer in the migration stream */ + vmstate_register_ram_global(s->exchange_mr); + + /* Include the backend storage in the migration stream */ + vmstate_register_ram_global(s->hostmem_mr); + + trace_acpi_erst_realizefn_out(s->storage_size); +} + +static void erst_reset(DeviceState *dev) +{ + ERSTDeviceState *s = ACPIERST(dev); + + trace_acpi_erst_reset_in(s->header->record_count); + s->operation = 0; + s->busy_status = 0; + s->command_status = STATUS_SUCCESS; + s->record_identifier = ERST_UNSPECIFIED_RECORD_ID; + s->record_offset = 0; + s->next_record_index = s->first_record_index; + /* NOTE: first/last_record_index are computed only once */ + trace_acpi_erst_reset_out(s->header->record_count); +} + +static Property erst_properties[] = { + DEFINE_PROP_LINK(ACPI_ERST_MEMDEV_PROP, ERSTDeviceState, hostmem, + TYPE_MEMORY_BACKEND, HostMemoryBackend *), + DEFINE_PROP_END_OF_LIST(), +}; + +static void erst_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + trace_acpi_erst_class_init_in(); + k->realize = erst_realizefn; + k->vendor_id = PCI_VENDOR_ID_REDHAT; + k->device_id = PCI_DEVICE_ID_REDHAT_ACPI_ERST; + k->revision = 0x00; + k->class_id = PCI_CLASS_OTHERS; + dc->reset = erst_reset; + dc->vmsd = &erst_vmstate; + dc->user_creatable = true; + device_class_set_props(dc, erst_properties); + dc->desc = "ACPI Error Record Serialization Table (ERST) device"; + set_bit(DEVICE_CATEGORY_MISC, dc->categories); + trace_acpi_erst_class_init_out(); +} + +static const TypeInfo erst_type_info = { + .name = TYPE_ACPI_ERST, + .parent = TYPE_PCI_DEVICE, + .class_init = erst_class_init, + .instance_size = sizeof(ERSTDeviceState), + .interfaces = (InterfaceInfo[]) { + { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { } + } +}; + +static void erst_register_types(void) +{ + type_register_static(&erst_type_info); +} + +type_init(erst_register_types) diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build index 29f804d..401d0e5 100644 --- a/hw/acpi/meson.build +++ b/hw/acpi/meson.build @@ -5,6 +5,7 @@ acpi_ss.add(files( 'bios-linker-loader.c', 'core.c', 'utils.c', + 'erst.c', )) acpi_ss.add(when: 'CONFIG_ACPI_CPU_HOTPLUG', if_true: files('cpu.c')) acpi_ss.add(when: 'CONFIG_ACPI_CPU_HOTPLUG', if_true: files('cpu_hotplug.c')) diff --git a/hw/acpi/trace-events b/hw/acpi/trace-events index 974d770..3579768 100644 --- a/hw/acpi/trace-events +++ b/hw/acpi/trace-events @@ -55,3 +55,18 @@ piix4_gpe_writeb(uint64_t addr, unsigned width, uint64_t val) "addr: 0x%" PRIx64 # tco.c tco_timer_reload(int ticks, int msec) "ticks=%d (%d ms)" tco_timer_expired(int timeouts_no, bool strap, bool no_reboot) "timeouts_no=%d no_reboot=%d/%d" + +# erst.c +acpi_erst_reg_write(uint64_t addr, uint64_t val, unsigned size) "addr: 0x%04" PRIx64 " <== 0x%016" PRIx64 " (size: %u)" +acpi_erst_reg_read(uint64_t addr, uint64_t val, unsigned size) " addr: 0x%04" PRIx64 " ==> 0x%016" PRIx64 " (size: %u)" +acpi_erst_mem_write(uint64_t addr, uint64_t val, unsigned size) "addr: 0x%06" PRIx64 " <== 0x%016" PRIx64 " (size: %u)" +acpi_erst_mem_read(uint64_t addr, uint64_t val, unsigned size) " addr: 0x%06" PRIx64 " ==> 0x%016" PRIx64 " (size: %u)" +acpi_erst_pci_bar_0(uint64_t addr) "BAR0: 0x%016" PRIx64 +acpi_erst_pci_bar_1(uint64_t addr) "BAR1: 0x%016" PRIx64 +acpi_erst_realizefn_in(void) +acpi_erst_realizefn_out(unsigned size) "total nvram size %u bytes" +acpi_erst_reset_in(unsigned record_count) "record_count %u" +acpi_erst_reset_out(unsigned record_count) "record_count %u" +acpi_erst_post_load(void *header) "header: 0x%p" +acpi_erst_class_init_in(void) +acpi_erst_class_init_out(void) From patchwork Thu Aug 5 22:30:35 2021 Content-Type: text/plain; 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envelope-from=eric.devolder@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This builds the ACPI ERST table to inform OSPM how to communicate with the acpi-erst device. Signed-off-by: Eric DeVolder --- hw/acpi/erst.c | 239 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 239 insertions(+) diff --git a/hw/acpi/erst.c b/hw/acpi/erst.c index eb4ab34..ecf1533 100644 --- a/hw/acpi/erst.c +++ b/hw/acpi/erst.c @@ -601,6 +601,245 @@ static const MemoryRegionOps erst_reg_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; + +/*******************************************************************/ +/*******************************************************************/ + +/* ACPI 4.0: Table 17-19 Serialization Instructions */ +#define INST_READ_REGISTER 0x00 +#define INST_READ_REGISTER_VALUE 0x01 +#define INST_WRITE_REGISTER 0x02 +#define INST_WRITE_REGISTER_VALUE 0x03 +#define INST_NOOP 0x04 +#define INST_LOAD_VAR1 0x05 +#define INST_LOAD_VAR2 0x06 +#define INST_STORE_VAR1 0x07 +#define INST_ADD 0x08 +#define INST_SUBTRACT 0x09 +#define INST_ADD_VALUE 0x0A +#define INST_SUBTRACT_VALUE 0x0B +#define INST_STALL 0x0C +#define INST_STALL_WHILE_TRUE 0x0D +#define INST_SKIP_NEXT_INSTRUCTION_IF_TRUE 0x0E +#define INST_GOTO 0x0F +#define INST_SET_SRC_ADDRESS_BASE 0x10 +#define INST_SET_DST_ADDRESS_BASE 0x11 +#define INST_MOVE_DATA 0x12 + +/* ACPI 4.0: 17.4.1.2 Serialization Instruction Entries */ +static void build_serialization_instruction_entry(GArray *table_data, + uint8_t serialization_action, + uint8_t instruction, + uint8_t flags, + uint8_t register_bit_width, + uint64_t register_address, + uint64_t value, + uint64_t mask) +{ + /* ACPI 4.0: Table 17-18 Serialization Instruction Entry */ + struct AcpiGenericAddress gas; + + /* Serialization Action */ + build_append_int_noprefix(table_data, serialization_action, 1); + /* Instruction */ + build_append_int_noprefix(table_data, instruction , 1); + /* Flags */ + build_append_int_noprefix(table_data, flags , 1); + /* Reserved */ + build_append_int_noprefix(table_data, 0 , 1); + /* Register Region */ + gas.space_id = AML_SYSTEM_MEMORY; + gas.bit_width = register_bit_width; + gas.bit_offset = 0; + switch (register_bit_width) { + case 8: + gas.access_width = 1; + break; + case 16: + gas.access_width = 2; + break; + case 32: + gas.access_width = 3; + break; + case 64: + gas.access_width = 4; + break; + default: + gas.access_width = 0; + break; + } + gas.address = register_address; + build_append_gas_from_struct(table_data, &gas); + /* Value */ + build_append_int_noprefix(table_data, value , 8); + /* Mask */ + build_append_int_noprefix(table_data, mask , 8); +} + +/* ACPI 4.0: 17.4.1 Serialization Action Table */ +void build_erst(GArray *table_data, BIOSLinker *linker, Object *erst_dev, + const char *oem_id, const char *oem_table_id) +{ + GArray *table_instruction_data; + unsigned action; + unsigned erst_start = table_data->len; + hwaddr bar0, bar1; + + bar0 = (hwaddr)pci_get_bar_addr(PCI_DEVICE(erst_dev), 0); + trace_acpi_erst_pci_bar_0(bar0); + bar1 = (hwaddr)pci_get_bar_addr(PCI_DEVICE(erst_dev), 1); + trace_acpi_erst_pci_bar_1(bar1); + +#define MASK8 0x00000000000000FFUL +#define MASK16 0x000000000000FFFFUL +#define MASK32 0x00000000FFFFFFFFUL +#define MASK64 0xFFFFFFFFFFFFFFFFUL + + /* + * Serialization Action Table + * The serialization action table must be generated first + * so that its size can be known in order to populate the + * Instruction Entry Count field. + */ + table_instruction_data = g_array_new(FALSE, FALSE, sizeof(char)); + + /* Serialization Instruction Entries */ + action = ACTION_BEGIN_WRITE_OPERATION; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + + action = ACTION_BEGIN_READ_OPERATION; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + + action = ACTION_BEGIN_CLEAR_OPERATION; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + + action = ACTION_END_OPERATION; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + + action = ACTION_SET_RECORD_OFFSET; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER , 0, 32, + bar0 + ERST_VALUE_OFFSET , 0, MASK32); + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + + action = ACTION_EXECUTE_OPERATION; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_VALUE_OFFSET , ERST_EXECUTE_OPERATION_MAGIC, MASK8); + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + + action = ACTION_CHECK_BUSY_STATUS; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + build_serialization_instruction_entry(table_instruction_data, + action, INST_READ_REGISTER_VALUE , 0, 32, + bar0 + ERST_VALUE_OFFSET, 0x01, MASK8); + + action = ACTION_GET_COMMAND_STATUS; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + build_serialization_instruction_entry(table_instruction_data, + action, INST_READ_REGISTER , 0, 32, + bar0 + ERST_VALUE_OFFSET, 0, MASK8); + + action = ACTION_GET_RECORD_IDENTIFIER; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + build_serialization_instruction_entry(table_instruction_data, + action, INST_READ_REGISTER , 0, 64, + bar0 + ERST_VALUE_OFFSET, 0, MASK64); + + action = ACTION_SET_RECORD_IDENTIFIER; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER , 0, 64, + bar0 + ERST_VALUE_OFFSET , 0, MASK64); + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + + action = ACTION_GET_RECORD_COUNT; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + build_serialization_instruction_entry(table_instruction_data, + action, INST_READ_REGISTER , 0, 32, + bar0 + ERST_VALUE_OFFSET, 0, MASK32); + + action = ACTION_BEGIN_DUMMY_WRITE_OPERATION; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + + action = ACTION_GET_ERROR_LOG_ADDRESS_RANGE; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + build_serialization_instruction_entry(table_instruction_data, + action, INST_READ_REGISTER , 0, 64, + bar0 + ERST_VALUE_OFFSET, 0, MASK64); + + action = ACTION_GET_ERROR_LOG_ADDRESS_LENGTH; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + build_serialization_instruction_entry(table_instruction_data, + action, INST_READ_REGISTER , 0, 64, + bar0 + ERST_VALUE_OFFSET, 0, MASK32); + + action = ACTION_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + build_serialization_instruction_entry(table_instruction_data, + action, INST_READ_REGISTER , 0, 32, + bar0 + ERST_VALUE_OFFSET, 0, MASK32); + + action = ACTION_GET_EXECUTE_OPERATION_TIMINGS; + build_serialization_instruction_entry(table_instruction_data, + action, INST_WRITE_REGISTER_VALUE, 0, 32, + bar0 + ERST_ACTION_OFFSET, action, MASK8); + build_serialization_instruction_entry(table_instruction_data, + action, INST_READ_REGISTER , 0, 64, + bar0 + ERST_VALUE_OFFSET, 0, MASK64); + + /* Serialization Header */ + acpi_data_push(table_data, sizeof(AcpiTableHeader)); + /* Serialization Header Size */ + build_append_int_noprefix(table_data, 48, 4); + /* Reserved */ + build_append_int_noprefix(table_data, 0, 4); + /* + * Instruction Entry Count + * Each instruction entry is 32 bytes + */ + build_append_int_noprefix(table_data, + (table_instruction_data->len / 32), 4); + /* Serialization Instruction Entries */ + g_array_append_vals(table_data, table_instruction_data->data, + table_instruction_data->len); + g_array_free(table_instruction_data, TRUE); + + build_header(linker, table_data, + (void *)(table_data->data + erst_start), + "ERST", table_data->len - erst_start, + 1, oem_id, oem_table_id); +} + /*******************************************************************/ /*******************************************************************/ static int erst_post_load(void *opaque, int version_id) From patchwork Thu Aug 5 22:30:36 2021 Content-Type: text/plain; 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envelope-from=eric.devolder@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This change exposes ACPI ERST support for x86 guests. Signed-off-by: Eric DeVolder --- hw/i386/acpi-build.c | 9 +++++++++ hw/i386/acpi-microvm.c | 9 +++++++++ include/hw/acpi/erst.h | 5 +++++ 3 files changed, 23 insertions(+) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index a33ac8b..b55a548 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -43,6 +43,7 @@ #include "sysemu/tpm.h" #include "hw/acpi/tpm.h" #include "hw/acpi/vmgenid.h" +#include "hw/acpi/erst.h" #include "sysemu/tpm_backend.h" #include "hw/rtc/mc146818rtc_regs.h" #include "migration/vmstate.h" @@ -2443,6 +2444,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) GArray *tables_blob = tables->table_data; AcpiSlicOem slic_oem = { .id = NULL, .table_id = NULL }; Object *vmgenid_dev; + Object *erst_dev; char *oem_id; char *oem_table_id; @@ -2504,6 +2506,13 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) ACPI_DEVICE_IF(x86ms->acpi_dev), x86ms->oem_id, x86ms->oem_table_id); + erst_dev = find_erst_dev(); + if (erst_dev) { + acpi_add_table(table_offsets, tables_blob); + build_erst(tables_blob, tables->linker, erst_dev, + x86ms->oem_id, x86ms->oem_table_id); + } + vmgenid_dev = find_vmgenid_dev(); if (vmgenid_dev) { acpi_add_table(table_offsets, tables_blob); diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c index 1a0f77b..6578254 100644 --- a/hw/i386/acpi-microvm.c +++ b/hw/i386/acpi-microvm.c @@ -30,6 +30,7 @@ #include "hw/acpi/bios-linker-loader.h" #include "hw/acpi/generic_event_device.h" #include "hw/acpi/utils.h" +#include "hw/acpi/erst.h" #include "hw/i386/fw_cfg.h" #include "hw/i386/microvm.h" #include "hw/pci/pci.h" @@ -159,6 +160,7 @@ static void acpi_build_microvm(AcpiBuildTables *tables, X86MachineState *x86ms = X86_MACHINE(mms); GArray *table_offsets; GArray *tables_blob = tables->table_data; + Object *erst_dev; unsigned dsdt, xsdt; AcpiFadtData pmfadt = { /* ACPI 5.0: 4.1 Hardware-Reduced ACPI */ @@ -208,6 +210,13 @@ static void acpi_build_microvm(AcpiBuildTables *tables, ACPI_DEVICE_IF(x86ms->acpi_dev), x86ms->oem_id, x86ms->oem_table_id); + erst_dev = find_erst_dev(); + if (erst_dev) { + acpi_add_table(table_offsets, tables_blob); + build_erst(tables_blob, tables->linker, erst_dev, + x86ms->oem_id, x86ms->oem_table_id); + } + xsdt = tables_blob->len; build_xsdt(tables_blob, tables->linker, table_offsets, x86ms->oem_id, x86ms->oem_table_id); diff --git a/include/hw/acpi/erst.h b/include/hw/acpi/erst.h index 9d63717..b747fe7 100644 --- a/include/hw/acpi/erst.h +++ b/include/hw/acpi/erst.h @@ -16,4 +16,9 @@ void build_erst(GArray *table_data, BIOSLinker *linker, Object *erst_dev, #define TYPE_ACPI_ERST "acpi-erst" +/* returns NULL unless there is exactly one device */ +static inline Object *find_erst_dev(void) +{ + return object_resolve_path_type("", TYPE_ACPI_ERST, NULL); +} #endif From patchwork Thu Aug 5 22:30:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric DeVolder X-Patchwork-Id: 1514144 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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envelope-from=eric.devolder@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This change provides a qtest that locates and then does a simple interrogation of the ERST feature within the guest. Signed-off-by: Eric DeVolder --- tests/qtest/erst-test.c | 167 ++++++++++++++++++++++++++++++++++++++++++++++++ tests/qtest/meson.build | 2 + 2 files changed, 169 insertions(+) create mode 100644 tests/qtest/erst-test.c diff --git a/tests/qtest/erst-test.c b/tests/qtest/erst-test.c new file mode 100644 index 0000000..370c119 --- /dev/null +++ b/tests/qtest/erst-test.c @@ -0,0 +1,167 @@ +/* + * QTest testcase for acpi-erst + * + * Copyright (c) 2021 Oracle + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include +#include "libqos/libqos-pc.h" +#include "libqos/libqtest.h" +#include "qemu-common.h" + +static void save_fn(QPCIDevice *dev, int devfn, void *data) +{ + QPCIDevice **pdev = (QPCIDevice **) data; + + *pdev = dev; +} + +static QPCIDevice *get_device(QPCIBus *pcibus) +{ + QPCIDevice *dev; + + dev = NULL; + qpci_device_foreach(pcibus, 0x1b36, 0x0012, save_fn, &dev); + g_assert(dev != NULL); + + return dev; +} + +typedef struct _ERSTState { + QOSState *qs; + QPCIBar reg_bar, mem_bar; + uint64_t reg_barsize, mem_barsize; + QPCIDevice *dev; +} ERSTState; + +#define ACTION 0 +#define VALUE 8 + +static const char *reg2str(unsigned reg) +{ + switch (reg) { + case 0: + return "ACTION"; + case 8: + return "VALUE"; + default: + return NULL; + } +} + +static inline uint32_t in_reg32(ERSTState *s, unsigned reg) +{ + const char *name = reg2str(reg); + uint32_t res; + + res = qpci_io_readl(s->dev, s->reg_bar, reg); + g_test_message("*%s -> %08x", name, res); + + return res; +} + +static inline uint64_t in_reg64(ERSTState *s, unsigned reg) +{ + const char *name = reg2str(reg); + uint64_t res; + + res = qpci_io_readq(s->dev, s->reg_bar, reg); + g_test_message("*%s -> %016llx", name, (unsigned long long)res); + + return res; +} + +static inline void out_reg32(ERSTState *s, unsigned reg, uint32_t v) +{ + const char *name = reg2str(reg); + + g_test_message("%08x -> *%s", v, name); + qpci_io_writel(s->dev, s->reg_bar, reg, v); +} + +static inline void out_reg64(ERSTState *s, unsigned reg, uint64_t v) +{ + const char *name = reg2str(reg); + + g_test_message("%016llx -> *%s", (unsigned long long)v, name); + qpci_io_writeq(s->dev, s->reg_bar, reg, v); +} + +static void cleanup_vm(ERSTState *s) +{ + g_free(s->dev); + qtest_shutdown(s->qs); +} + +static void setup_vm_cmd(ERSTState *s, const char *cmd) +{ + const char *arch = qtest_get_arch(); + + if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { + s->qs = qtest_pc_boot(cmd); + } else { + g_printerr("erst-test tests are only available on x86\n"); + exit(EXIT_FAILURE); + } + s->dev = get_device(s->qs->pcibus); + + s->reg_bar = qpci_iomap(s->dev, 0, &s->reg_barsize); + g_assert_cmpuint(s->reg_barsize, ==, 16); + + s->mem_bar = qpci_iomap(s->dev, 1, &s->mem_barsize); + g_assert_cmpuint(s->mem_barsize, ==, 0x2000); + + qpci_device_enable(s->dev); +} + +static void test_acpi_erst_basic(void) +{ + ERSTState state; + uint64_t log_address_range; + uint64_t log_address_length; + uint32_t log_address_attr; + + setup_vm_cmd(&state, + "-object memory-backend-file," + "mem-path=acpi-erst.XXXXXX," + "size=64K," + "share=on," + "id=nvram " + "-device acpi-erst," + "memdev=nvram"); + + out_reg32(&state, ACTION, 0xD); + log_address_range = in_reg64(&state, VALUE); + out_reg32(&state, ACTION, 0xE); + log_address_length = in_reg64(&state, VALUE); + out_reg32(&state, ACTION, 0xF); + log_address_attr = in_reg32(&state, VALUE); + + /* Check log_address_range is not 0, ~0 or base */ + g_assert_cmpuint(log_address_range, !=, 0ULL); + g_assert_cmpuint(log_address_range, !=, ~0ULL); + g_assert_cmpuint(log_address_range, !=, state.reg_bar.addr); + g_assert_cmpuint(log_address_range, ==, state.mem_bar.addr); + + /* Check log_address_length is bar1_size */ + g_assert_cmpuint(log_address_length, ==, state.mem_barsize); + + /* Check log_address_attr is 0 */ + g_assert_cmpuint(log_address_attr, ==, 0); + + cleanup_vm(&state); +} + +int main(int argc, char **argv) +{ + int ret; + + g_test_init(&argc, &argv, NULL); + qtest_add_func("/acpi-erst/basic", test_acpi_erst_basic); + ret = g_test_run(); + return ret; +} diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index e22a079..b69834d 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -68,6 +68,7 @@ qtests_i386 = \ (config_all_devices.has_key('CONFIG_RTL8139_PCI') ? ['rtl8139-test'] : []) + \ (config_all_devices.has_key('CONFIG_E1000E_PCI_EXPRESS') ? ['fuzz-e1000e-test'] : []) + \ (config_all_devices.has_key('CONFIG_ESP_PCI') ? ['am53c974-test'] : []) + \ + (config_all_devices.has_key('CONFIG_ACPI') ? ['erst-test'] : []) + \ qtests_pci + \ ['fdc-test', 'ide-test', @@ -245,6 +246,7 @@ qtests = { 'bios-tables-test': [io, 'boot-sector.c', 'acpi-utils.c', 'tpm-emu.c'], 'cdrom-test': files('boot-sector.c'), 'dbus-vmstate-test': files('migration-helpers.c') + dbus_vmstate1, + 'erst-test': files('erst-test.c'), 'ivshmem-test': [rt, '../../contrib/ivshmem-server/ivshmem-server.c'], 'migration-test': files('migration-helpers.c'), 'pxe-test': files('boot-sector.c'), From patchwork Thu Aug 5 22:30:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric DeVolder X-Patchwork-Id: 1514143 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; 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Thu, 5 Aug 2021 22:31:27 +0000 From: Eric DeVolder To: qemu-devel@nongnu.org, imammedo@redhat.com Subject: [PATCH v6 09/10] ACPI ERST: bios-tables-test testcase Date: Thu, 5 Aug 2021 18:30:38 -0400 Message-Id: <1628202639-16361-10-git-send-email-eric.devolder@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1628202639-16361-1-git-send-email-eric.devolder@oracle.com> References: <1628202639-16361-1-git-send-email-eric.devolder@oracle.com> X-ClientProxiedBy: BY3PR04CA0022.namprd04.prod.outlook.com (2603:10b6:a03:217::27) To CO1PR10MB4531.namprd10.prod.outlook.com (2603:10b6:303:6c::22) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from ban25x6uut23.us.oracle.com (138.3.201.23) by BY3PR04CA0022.namprd04.prod.outlook.com (2603:10b6:a03:217::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4394.17 via Frontend Transport; Thu, 5 Aug 2021 22:31:26 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6003360d-036e-44ca-c28b-08d95860c3bf X-MS-TrafficTypeDiagnostic: MWHPR10MB1518: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4125; 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envelope-from=eric.devolder@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This change implements the test suite checks for the ERST table. Signed-off-by: Eric DeVolder --- tests/qtest/bios-tables-test.c | 43 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c index 51d3a4e..6ee78ec 100644 --- a/tests/qtest/bios-tables-test.c +++ b/tests/qtest/bios-tables-test.c @@ -1378,6 +1378,45 @@ static void test_acpi_piix4_tcg_acpi_hmat(void) test_acpi_tcg_acpi_hmat(MACHINE_PC); } +static void test_acpi_erst(const char *machine) +{ + test_data data; + + memset(&data, 0, sizeof(data)); + data.machine = machine; + /*data.variant = ".acpierst";*/ + test_acpi_one(" -object memory-backend-file,id=erstnvram," + "mem-path=tests/acpi-erst.XXXXXX,size=0x10000,share=on" + " -device acpi-erst,memdev=erstnvram", + &data); + free_test_data(&data); +} + +static void test_acpi_piix4_erst(void) +{ + test_acpi_erst(MACHINE_PC); +} + +static void test_acpi_q35_erst(void) +{ + test_acpi_erst(MACHINE_Q35); +} + +static void test_acpi_microvm_erst(void) +{ + test_data data; + + test_acpi_microvm_prepare(&data); + data.variant = ".pcie"; + data.tcg_only = true; /* need constant host-phys-bits */ + test_acpi_one(" -machine microvm,acpi=on,ioapic2=off,rtc=off,pcie=on " + "-object memory-backend-file,id=erstnvram," + "mem-path=tests/acpi-erst.XXXXXX,size=0x10000,share=on " + "-device acpi-erst,memdev=erstnvram", + &data); + free_test_data(&data); +} + static void test_acpi_virt_tcg(void) { test_data data = { @@ -1560,7 +1599,11 @@ int main(int argc, char *argv[]) qtest_add_func("acpi/microvm/oem-fields", test_acpi_oem_fields_microvm); if (strcmp(arch, "x86_64") == 0) { qtest_add_func("acpi/microvm/pcie", test_acpi_microvm_pcie_tcg); + qtest_add_func("acpi/microvm/acpierst", test_acpi_microvm_erst); } + qtest_add_func("acpi/piix4/acpierst", test_acpi_piix4_erst); + qtest_add_func("acpi/q35/acpierst", test_acpi_q35_erst); + } else if (strcmp(arch, "aarch64") == 0) { qtest_add_func("acpi/virt", test_acpi_virt_tcg); qtest_add_func("acpi/virt/numamem", test_acpi_virt_tcg_numamem); 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envelope-from=eric.devolder@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, konrad.wilk@oracle.com, mst@redhat.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Following the guidelines in tests/qtest/bios-tables-test.c, this is step 6, the re-generated ACPI tables binary blobs. Signed-off-by: Eric DeVolder --- tests/data/acpi/microvm/ERST.pcie | Bin 0 -> 912 bytes tests/data/acpi/pc/DSDT | Bin 6002 -> 6009 bytes tests/data/acpi/pc/ERST | Bin 0 -> 912 bytes tests/data/acpi/q35/DSDT | Bin 8289 -> 8306 bytes tests/data/acpi/q35/ERST | Bin 0 -> 912 bytes tests/qtest/bios-tables-test-allowed-diff.h | 6 ------ 6 files changed, 6 deletions(-) create mode 100644 tests/data/acpi/microvm/ERST.pcie diff --git a/tests/data/acpi/microvm/ERST.pcie b/tests/data/acpi/microvm/ERST.pcie new file mode 100644 index 0000000000000000000000000000000000000000..d9a2b3211ab5893a50751ad52be3782579e367f2 GIT binary patch literal 912 zcmaKpO%8%E5QPUQ|KVrvh9h_c12J)@5f?5!k_Ygv*jGA8UW7?#`}+D#XXyDpKHiZ? z@anI_W$gOrZRl(SB7!yMqx}#E4EC&a5=}m^g_!0^0`kEl)DOuIXM6D@@*xq*8vyqH z)b0KTlmlgmH~xt7vG=QZp?+M@&@5ljF8 diff --git a/tests/data/acpi/pc/ERST b/tests/data/acpi/pc/ERST index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..f24fadd345c798ee5c17cdb66e0e1703bd1b2f26 100644 GIT binary patch literal 912 zcmaKpOAdlC6h#XZC=fn#CoF*_7>J28jW}>wF2KFG3zs9lTPTnl;U#=7r>E_sr(1u2 z21ttC4TZ!l<{$N9cc#e2SmmnSn O1||j(wg6|p5C#C(xDBxY delta 42 xcmez5@X&$FCDJ28jW}>wF2KFG3zs9lTPTnl;U#=7r>E_sr(1u2 z21