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efi_loader: refactor efi_open_protocol

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efi_open_protocol was implemented to call a protocol specific open
function to retrieve the protocol interface.

The UEFI specification does not know of such a function.

It is not possible to implement InstallProtocolInterface with the
current design.

With the patch the protocol interface itself is stored in the list
of installed protocols of an efi_object instead of an open function.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
[agraf: fix efi gop support]
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
xypron.glpk@gmx.de
2017-07-11 22:06:14 +02:00
committed by Alexander Graf
parent 8d3a25685e
commit b5349f742a
7 changed files with 26 additions and 92 deletions
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30
lib/efi_loader/efi_net.c
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@ -199,30 +199,6 @@ static efi_status_t EFIAPI efi_net_receive(struct efi_simple_network *this,
return EFI_EXIT(EFI_SUCCESS);
}
static efi_status_t EFIAPI efi_net_open_dp(void *handle, efi_guid_t *protocol,
void **protocol_interface, void *agent_handle,
void *controller_handle, uint32_t attributes)
{
struct efi_simple_network *net = handle;
struct efi_net_obj *netobj = container_of(net, struct efi_net_obj, net);
*protocol_interface = &netobj->dp_mac;
return EFI_SUCCESS;
}
static efi_status_t EFIAPI efi_net_open_pxe(void *handle, efi_guid_t *protocol,
void **protocol_interface, void *agent_handle,
void *controller_handle, uint32_t attributes)
{
struct efi_simple_network *net = handle;
struct efi_net_obj *netobj = container_of(net, struct efi_net_obj, net);
*protocol_interface = &netobj->pxe;
return EFI_SUCCESS;
}
void efi_net_set_dhcp_ack(void *pkt, int len)
{
int maxsize = sizeof(*dhcp_ack);
@ -258,11 +234,11 @@ int efi_net_register(void **handle)
/* Fill in object data */
netobj->parent.protocols[0].guid = &efi_net_guid;
netobj->parent.protocols[0].open = efi_return_handle;
netobj->parent.protocols[0].protocol_interface = &netobj->net;
netobj->parent.protocols[1].guid = &efi_guid_device_path;
netobj->parent.protocols[1].open = efi_net_open_dp;
netobj->parent.protocols[1].protocol_interface = &netobj->dp_mac;
netobj->parent.protocols[2].guid = &efi_pxe_guid;
netobj->parent.protocols[2].open = efi_net_open_pxe;
netobj->parent.protocols[2].protocol_interface = &netobj->pxe;
netobj->parent.handle = &netobj->net;
netobj->net.start = efi_net_start;
netobj->net.stop = efi_net_stop;