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pci: support 64-bit BAR addressing for MSI-X memory mappings

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Change-Id: I463de6aeb45d34e68e888a7648546acddb3fd57a
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4613
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
This commit is contained in:
Jérôme Duval 2021-10-19 19:40:58 +02:00 committed by waddlesplash
parent d029b0dd9f
commit b7a1261eef
1 changed files with 14 additions and 4 deletions
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18
src/add-ons/kernel/bus_managers/pci/arch/x86/pci_msi.cpp
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@ -361,9 +361,14 @@ pci_configure_msix(uint8 virtualBus, uint8 _device, uint8 function,
// map the table bar
size_t tableSize = info->message_count * 16;
addr_t address;
phys_addr_t barAddr = device->info.u.h0.base_registers[info->table_bar];
uchar flags = device->info.u.h0.base_register_flags[info->table_bar];
if ((flags & PCI_address_type) == PCI_address_type_64) {
barAddr |= (uint64)device->info.u.h0.base_registers[
info->table_bar + 1] << 32;
}
area_id area = map_physical_memory("msi table map",
device->info.u.h0.base_registers[info->table_bar],
tableSize + info->table_offset,
barAddr, tableSize + info->table_offset,
B_ANY_KERNEL_ADDRESS, B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA,
(void**)&address);
if (area < 0)
@ -373,9 +378,14 @@ pci_configure_msix(uint8 virtualBus, uint8 _device, uint8 function,
// and the pba bar if necessary
if (info->table_bar != info->pba_bar) {
barAddr = device->info.u.h0.base_registers[info->pba_bar];
flags = device->info.u.h0.base_register_flags[info->pba_bar];
if ((flags & PCI_address_type) == PCI_address_type_64) {
barAddr |= (uint64)device->info.u.h0.base_registers[
info->pba_bar + 1] << 32;
}
area = map_physical_memory("msi pba map",
device->info.u.h0.base_registers[info->pba_bar],
tableSize + info->pba_offset,
barAddr, tableSize + info->pba_offset,
B_ANY_KERNEL_ADDRESS, B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA,
(void**)&address);
if (area < 0) {