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Kernel: Make allocate_supervisor_physical_page OOM-fallible

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This commit is contained in:
Idan Horowitz 2022-01-28 16:30:01 +02:00
parent 4d2f1a05ec
commit bd5b56cab0
4 changed files with 11 additions and 21 deletions
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14
Kernel/Storage/ATA/AHCIPort.cpp
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@ -37,25 +37,19 @@ AHCIPort::AHCIPort(const AHCIPortHandler& handler, volatile AHCI::PortRegisters&
return;
}
m_fis_receive_page = MM.allocate_supervisor_physical_page();
if (m_fis_receive_page.is_null())
return;
m_fis_receive_page = MM.allocate_supervisor_physical_page().release_value_but_fixme_should_propagate_errors();
for (size_t index = 0; index < 1; index++) {
m_dma_buffers.append(MM.allocate_supervisor_physical_page().release_nonnull());
m_dma_buffers.append(MM.allocate_supervisor_physical_page().release_value_but_fixme_should_propagate_errors());
}
for (size_t index = 0; index < 1; index++) {
m_command_table_pages.append(MM.allocate_supervisor_physical_page().release_nonnull());
m_command_table_pages.append(MM.allocate_supervisor_physical_page().release_value_but_fixme_should_propagate_errors());
}
auto region_or_error = MM.allocate_dma_buffer_page("AHCI Port Command List", Memory::Region::Access::ReadWrite, m_command_list_page);
m_command_list_region = MM.allocate_dma_buffer_page("AHCI Port Command List", Memory::Region::Access::ReadWrite, m_command_list_page).release_value_but_fixme_should_propagate_errors();
dbgln_if(AHCI_DEBUG, "AHCI Port {}: Command list page at {}", representative_port_index(), m_command_list_page->paddr());
dbgln_if(AHCI_DEBUG, "AHCI Port {}: FIS receive page at {}", representative_port_index(), m_fis_receive_page->paddr());
if (region_or_error.is_error())
TODO();
m_command_list_region = region_or_error.release_value();
dbgln_if(AHCI_DEBUG, "AHCI Port {}: Command list region at {}", representative_port_index(), m_command_list_region->vaddr());
}