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acpi_drv: reflect DMAR properties in report

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genodelabs/genode#5066
This commit is contained in:
Johannes Schlatow 2024-03-20 12:40:26 +01:00 committed by Christian Helmuth
parent 6c1af53909
commit ce70b44087
1 changed files with 21 additions and 2 deletions
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23
repos/os/src/driver/acpi/acpi.cc
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@ -649,7 +649,7 @@ class Table_wrapper
}
}
void parse_dmar(Genode::Allocator &alloc) const
Dmar_struct_header const & parse_dmar(Genode::Allocator &alloc) const
{
Dmar_struct_header *head = _table->dmar_header();
Genode::log(head->width + 1, " bit DMA physical addressable",
@ -661,6 +661,8 @@ class Table_wrapper
});
Dmar_entry::list()->insert(new (&alloc) Dmar_entry(head->clone(alloc)));
return *head;
}
Table_wrapper(Acpi::Memory &memory, addr_t base,
@ -1359,7 +1361,14 @@ class Acpi_table
Genode::uint8_t value;
};
struct Dmar_info
{
bool intr_remap;
Genode::uint8_t host_address_width;
};
Genode::Constructible<Reset_info> _reset_info { };
Genode::Constructible<Dmar_info> _dmar_info { };
unsigned short _sci_int { };
bool _sci_int_valid { };
@ -1475,7 +1484,10 @@ class Acpi_table
if (table.is_dmar()) {
Genode::log("Found DMAR");
table.parse_dmar(_heap);
Dmar_struct_header const & head = table.parse_dmar(_heap);
_dmar_info.construct(
Dmar_info { (bool)(head.flags & Dmar_struct_header::INTR_REMAP_MASK),
(uint8_t)(head.width + 1) });
}
} catch (Acpi::Memory::Unsupported_range &) { }
@ -1589,6 +1601,13 @@ class Acpi_table
if (_sci_int_valid)
xml.node("sci_int", [&] () { xml.attribute("irq", _sci_int); });
if (_dmar_info.constructed())
xml.node("dmar", [&] () {
xml.attribute("intr_remap", _dmar_info->intr_remap);
xml.attribute("host_address_width", _dmar_info->host_address_width);
});
if (!_reset_info.constructed())
return;