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ACPI ERST: support for ACPI ERST feature

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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 <eric.devolder@oracle.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Message-Id: <1643402289-22216-6-git-send-email-eric.devolder@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eric DeVolder 2022-01-28 15:38:04 -05:00 • committed by Michael S. Tsirkin
parent fb1c8f8966
commit f7e26ffa59
4 changed files with 862 additions and 0 deletions
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15
hw/acpi/trace-events
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@ -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, unsigned slot_size) "header: 0x%p slot_size %u"
acpi_erst_class_init_in(void)
acpi_erst_class_init_out(void)