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[efi] Ensure that all drivers are shut down before the OS boots

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Reported-by: Itay Gazit <itayg@mellanox.co.il>
Suggested-by: Michael R Turner <mikeyt@us.ibm.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2011-03-29 21:35:06 +01:00
parent 797c29adda
commit fc7239bdc8
3 changed files with 51 additions and 32 deletions
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24
src/interface/efi/efi_pci.c
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@@ -489,7 +489,7 @@ static struct efi_driver efipci_driver =
* Install EFI PCI driver
*
*/
static void efipci_driver_init ( void ) {
static void efipci_driver_startup ( void ) {
struct efi_driver *efidrv = &efipci_driver;
EFI_STATUS efirc;
@@ -503,7 +503,27 @@ static void efipci_driver_init ( void ) {
DBGC ( efidrv, "EFIPCI driver installed\n" );
}
/**
* Shut down EFI PCI driver
*
* @v booting System is shutting down for OS boot
*/
static void efipci_driver_shutdown ( int booting __unused ) {
struct efi_driver *efidrv = &efipci_driver;
struct efi_pci_device *efipci;
struct efi_pci_device *tmp;
/* Shut down any remaining devices */
list_for_each_entry_safe ( efipci, tmp, &efi_pci_devices, list ) {
DBGC ( efipci, "EFIPCI " PCI_FMT " still active at shutdown; "
"forcing close\n", PCI_ARGS ( &efipci->pci ) );
pci_remove ( &efipci->pci );
efipci_destroy ( efidrv, efipci );
}
}
/** EFI PCI startup function */
struct startup_fn startup_pci __startup_fn ( STARTUP_NORMAL ) = {
.startup = efipci_driver_init,
.startup = efipci_driver_startup,
.shutdown = efipci_driver_shutdown,
};