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Kernel: Set file size for smbios_entry_point and DMI blobs in ProcFS

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This is needed to support dmidecode version 3.3, so it can read the 2
blobs in ProcFS.
This commit is contained in:
Liav A 2021-01-29 21:01:56 +02:00 • committed by Andreas Kling
parent 338c6eec65
commit 65c27bfe52
3 changed files with 19 additions and 0 deletions
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9
Kernel/DMI.cpp
View file

@ -70,6 +70,15 @@ DMIExpose& DMIExpose::the()
return *s_the;
}
size_t DMIExpose::entry_point_length() const
{
return m_entry_point_length;
}
size_t DMIExpose::structure_table_length() const
{
return m_structure_table_length;
}
void DMIExpose::initialize_exposer()
{
ASSERT(!(m_entry_point.is_null()));

2
Kernel/DMI.h
View file

@ -85,6 +85,8 @@ public:
bool is_available() const { return m_available; }
OwnPtr<KBuffer> entry_point() const;
OwnPtr<KBuffer> structure_table() const;
size_t entry_point_length() const;
size_t structure_table_length() const;
private:
void set_64_bit_entry_initialization_values();

8
Kernel/FileSystem/ProcFS.cpp
View file

@ -1176,6 +1176,14 @@ InodeMetadata ProcFSInode::metadata() const
case FI_PID_stacks:
metadata.mode = S_IFDIR | S_IRUSR | S_IXUSR;
break;
case FI_Root_smbios_entry_point:
metadata.mode = S_IFREG | S_IRUSR | S_IRGRP | S_IROTH;
metadata.size = DMIExpose::the().entry_point_length();
break;
case FI_Root_dmi:
metadata.mode = S_IFREG | S_IRUSR | S_IRGRP | S_IROTH;
metadata.size = DMIExpose::the().structure_table_length();
break;
default:
metadata.mode = S_IFREG | S_IRUSR | S_IRGRP | S_IROTH;
break;