From af3106a12dd5d3a315f9f68b5fc0002c09f54d54 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Mon, 11 Dec 2017 12:56:44 +0100 Subject: efi_loader: support device path for IDE and SCSI disks Correctly create the device path for IDE and SCSI disks. Support for SATA remains to be done in a future patch. Signed-off-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- include/efi_api.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'include/efi_api.h') diff --git a/include/efi_api.h b/include/efi_api.h index 584016dc30..46963f2891 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -329,12 +329,27 @@ struct efi_device_path_acpi_path { } __packed; #define DEVICE_PATH_TYPE_MESSAGING_DEVICE 0x03 +# define DEVICE_PATH_SUB_TYPE_MSG_ATAPI 0x01 +# define DEVICE_PATH_SUB_TYPE_MSG_SCSI 0x02 # define DEVICE_PATH_SUB_TYPE_MSG_USB 0x05 # define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR 0x0b # define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS 0x0f # define DEVICE_PATH_SUB_TYPE_MSG_SD 0x1a # define DEVICE_PATH_SUB_TYPE_MSG_MMC 0x1d +struct efi_device_path_atapi { + struct efi_device_path dp; + u8 primary_secondary; + u8 slave_master; + u16 logical_unit_number; +} __packed; + +struct efi_device_path_scsi { + struct efi_device_path dp; + u16 target_id; + u16 logical_unit_number; +} __packed; + struct efi_device_path_usb { struct efi_device_path dp; u8 parent_port_number; -- cgit v1.2.3 From f0959dbee2b043c4b1bf16a570be9242cf603819 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Thu, 11 Jan 2018 08:16:02 +0100 Subject: efi_loader: implement ConnectController Implement the ConnectController boot service. A unit test is supplied in a subsequent patch. Signed-off-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- include/efi_api.h | 22 +++++ include/efi_loader.h | 2 + lib/efi_loader/efi_boottime.c | 187 ++++++++++++++++++++++++++++++++++++------ 3 files changed, 187 insertions(+), 24 deletions(-) (limited to 'include/efi_api.h') diff --git a/include/efi_api.h b/include/efi_api.h index 46963f2891..81e580dbbc 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -805,4 +805,26 @@ struct efi_file_info { s16 file_name[0]; }; +#define EFI_DRIVER_BINDING_PROTOCOL_GUID \ + EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\ + 0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71) +struct efi_driver_binding_protocol { + efi_status_t (EFIAPI * supported)( + struct efi_driver_binding_protocol *this, + efi_handle_t controller_handle, + struct efi_device_path *remaining_device_path); + efi_status_t (EFIAPI * start)( + struct efi_driver_binding_protocol *this, + efi_handle_t controller_handle, + struct efi_device_path *remaining_device_path); + efi_status_t (EFIAPI * stop)( + struct efi_driver_binding_protocol *this, + efi_handle_t controller_handle, + efi_uintn_t number_of_children, + efi_handle_t *child_handle_buffer); + u32 version; + efi_handle_t image_handle; + efi_handle_t driver_binding_handle; +}; + #endif diff --git a/include/efi_loader.h b/include/efi_loader.h index 4198329230..6726c44c47 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -89,6 +89,8 @@ uint16_t *efi_dp_str(struct efi_device_path *dp); extern const efi_guid_t efi_global_variable_guid; extern const efi_guid_t efi_guid_console_control; extern const efi_guid_t efi_guid_device_path; +/* GUID of the EFI_DRIVER_BINDING_PROTOCOL */ +extern const efi_guid_t efi_guid_driver_binding_protocol; extern const efi_guid_t efi_guid_loaded_image; extern const efi_guid_t efi_guid_device_path_to_text_protocol; extern const efi_guid_t efi_simple_file_system_protocol_guid; diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 673c66a4aa..09d5168772 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -56,6 +56,9 @@ static volatile void *efi_gd, *app_gd; static int entry_count; static int nesting_level; +/* GUID of the EFI_DRIVER_BINDING_PROTOCOL */ +const efi_guid_t efi_guid_driver_binding_protocol = + EFI_DRIVER_BINDING_PROTOCOL_GUID; /* Called on every callback entry */ int __efi_entry_check(void) @@ -1634,30 +1637,6 @@ static efi_status_t EFIAPI efi_set_watchdog_timer(unsigned long timeout, return EFI_EXIT(efi_set_watchdog(timeout)); } -/* - * Connect a controller to a driver. - * - * This function implements the ConnectController service. - * See the Unified Extensible Firmware Interface (UEFI) specification - * for details. - * - * @controller_handle handle of the controller - * @driver_image_handle handle of the driver - * @remain_device_path device path of a child controller - * @recursive true to connect all child controllers - * @return status code - */ -static efi_status_t EFIAPI efi_connect_controller( - efi_handle_t controller_handle, - efi_handle_t *driver_image_handle, - struct efi_device_path *remain_device_path, - bool recursive) -{ - EFI_ENTRY("%p, %p, %p, %d", controller_handle, driver_image_handle, - remain_device_path, recursive); - return EFI_EXIT(EFI_NOT_FOUND); -} - /* * Disconnect a controller from a driver. * @@ -2368,6 +2347,166 @@ static efi_status_t EFIAPI efi_handle_protocol(void *handle, NULL, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL); } +static efi_status_t efi_bind_controller( + efi_handle_t controller_handle, + efi_handle_t driver_image_handle, + struct efi_device_path *remain_device_path) +{ + struct efi_driver_binding_protocol *binding_protocol; + efi_status_t r; + + r = EFI_CALL(efi_open_protocol(driver_image_handle, + &efi_guid_driver_binding_protocol, + (void **)&binding_protocol, + driver_image_handle, NULL, + EFI_OPEN_PROTOCOL_GET_PROTOCOL)); + if (r != EFI_SUCCESS) + return r; + r = EFI_CALL(binding_protocol->supported(binding_protocol, + controller_handle, + remain_device_path)); + if (r == EFI_SUCCESS) + r = EFI_CALL(binding_protocol->start(binding_protocol, + controller_handle, + remain_device_path)); + EFI_CALL(efi_close_protocol(driver_image_handle, + &efi_guid_driver_binding_protocol, + driver_image_handle, NULL)); + return r; +} + +static efi_status_t efi_connect_single_controller( + efi_handle_t controller_handle, + efi_handle_t *driver_image_handle, + struct efi_device_path *remain_device_path) +{ + efi_handle_t *buffer; + size_t count; + size_t i; + efi_status_t r; + size_t connected = 0; + + /* Get buffer with all handles with driver binding protocol */ + r = EFI_CALL(efi_locate_handle_buffer(BY_PROTOCOL, + &efi_guid_driver_binding_protocol, + NULL, &count, &buffer)); + if (r != EFI_SUCCESS) + return r; + + /* Context Override */ + if (driver_image_handle) { + for (; *driver_image_handle; ++driver_image_handle) { + for (i = 0; i < count; ++i) { + if (buffer[i] == *driver_image_handle) { + buffer[i] = NULL; + r = efi_bind_controller( + controller_handle, + *driver_image_handle, + remain_device_path); + /* + * For drivers that do not support the + * controller or are already connected + * we receive an error code here. + */ + if (r == EFI_SUCCESS) + ++connected; + } + } + } + } + + /* + * TODO: Some overrides are not yet implemented: + * - Platform Driver Override + * - Driver Family Override Search + * - Bus Specific Driver Override + */ + + /* Driver Binding Search */ + for (i = 0; i < count; ++i) { + if (buffer[i]) { + r = efi_bind_controller(controller_handle, + buffer[i], + remain_device_path); + if (r == EFI_SUCCESS) + ++connected; + } + } + + efi_free_pool(buffer); + if (!connected) + return EFI_NOT_FOUND; + return EFI_SUCCESS; +} + +/* + * Connect a controller to a driver. + * + * This function implements the ConnectController service. + * See the Unified Extensible Firmware Interface (UEFI) specification + * for details. + * + * First all driver binding protocol handles are tried for binding drivers. + * Afterwards all handles that have openened a protocol of the controller + * with EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER are connected to drivers. + * + * @controller_handle handle of the controller + * @driver_image_handle handle of the driver + * @remain_device_path device path of a child controller + * @recursive true to connect all child controllers + * @return status code + */ +static efi_status_t EFIAPI efi_connect_controller( + efi_handle_t controller_handle, + efi_handle_t *driver_image_handle, + struct efi_device_path *remain_device_path, + bool recursive) +{ + efi_status_t r; + efi_status_t ret = EFI_NOT_FOUND; + struct efi_object *efiobj; + + EFI_ENTRY("%p, %p, %p, %d", controller_handle, driver_image_handle, + remain_device_path, recursive); + + efiobj = efi_search_obj(controller_handle); + if (!efiobj) { + ret = EFI_INVALID_PARAMETER; + goto out; + } + + r = efi_connect_single_controller(controller_handle, + driver_image_handle, + remain_device_path); + if (r == EFI_SUCCESS) + ret = EFI_SUCCESS; + if (recursive) { + struct efi_handler *handler; + struct efi_open_protocol_info_item *item; + + list_for_each_entry(handler, &efiobj->protocols, link) { + list_for_each_entry(item, &handler->open_infos, link) { + if (item->info.attributes & + EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) { + r = EFI_CALL(efi_connect_controller( + item->info.controller_handle, + driver_image_handle, + remain_device_path, + recursive)); + if (r == EFI_SUCCESS) + ret = EFI_SUCCESS; + } + } + } + } + /* Check for child controller specified by end node */ + if (ret != EFI_SUCCESS && remain_device_path && + remain_device_path->type == DEVICE_PATH_TYPE_END) + ret = EFI_SUCCESS; +out: + return EFI_EXIT(ret); +} + static const struct efi_boot_services efi_boot_services = { .hdr = { .headersize = sizeof(struct efi_table_hdr), -- cgit v1.2.3 From 3ebcd0071f2af8b05bc04c0fea7cd33a29aefb9e Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Thu, 11 Jan 2018 08:16:03 +0100 Subject: efi_loader: fix signature of efi_disconnect_controller Handles should be passed as efi_handle_t and not as void *. Signed-off-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- include/efi_api.h | 6 ++++-- lib/efi_loader/efi_boottime.c | 7 ++++--- 2 files changed, 8 insertions(+), 5 deletions(-) (limited to 'include/efi_api.h') diff --git a/include/efi_api.h b/include/efi_api.h index 81e580dbbc..7164492f83 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -125,8 +125,10 @@ struct efi_boot_services { efi_handle_t *driver_image_handle, struct efi_device_path *remaining_device_path, bool recursive); - efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle, - void *driver_image_handle, void *child_handle); + efi_status_t (EFIAPI *disconnect_controller)( + efi_handle_t controller_handle, + efi_handle_t driver_image_handle, + efi_handle_t child_handle); #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004 diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 09d5168772..fa00902c32 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -1649,9 +1649,10 @@ static efi_status_t EFIAPI efi_set_watchdog_timer(unsigned long timeout, * @child_handle handle of the child to destroy * @return status code */ -static efi_status_t EFIAPI efi_disconnect_controller(void *controller_handle, - void *driver_image_handle, - void *child_handle) +static efi_status_t EFIAPI efi_disconnect_controller( + efi_handle_t controller_handle, + efi_handle_t driver_image_handle, + efi_handle_t child_handle) { EFI_ENTRY("%p, %p, %p", controller_handle, driver_image_handle, child_handle); -- cgit v1.2.3 From 2074f70064b5860db0d273ad3d050e87764c08e5 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Thu, 11 Jan 2018 08:16:09 +0100 Subject: efi_loader: consistently use efi_handle_t for handles We should consistently use the efi_handle_t typedef when referring to handles. Signed-off-by: Heinrich Schuchardt Reviewed-by: Simon Glass Signed-off-by: Alexander Graf --- cmd/bootefi.c | 10 ++++----- include/efi_api.h | 20 ++++++++++-------- include/efi_loader.h | 14 +++++++------ lib/efi_loader/efi_boottime.c | 49 +++++++++++++++++++++++-------------------- lib/efi_loader/efi_console.c | 6 +++--- 5 files changed, 53 insertions(+), 46 deletions(-) (limited to 'include/efi_api.h') diff --git a/cmd/bootefi.c b/cmd/bootefi.c index 78ff109835..97a4f269ae 100644 --- a/cmd/bootefi.c +++ b/cmd/bootefi.c @@ -122,8 +122,8 @@ static void *copy_fdt(void *fdt) } static efi_status_t efi_do_enter( - void *image_handle, struct efi_system_table *st, - asmlinkage ulong (*entry)(void *image_handle, + efi_handle_t image_handle, struct efi_system_table *st, + asmlinkage ulong (*entry)(efi_handle_t image_handle, struct efi_system_table *st)) { efi_status_t ret = EFI_LOAD_ERROR; @@ -136,8 +136,8 @@ static efi_status_t efi_do_enter( #ifdef CONFIG_ARM64 static efi_status_t efi_run_in_el2(asmlinkage ulong (*entry)( - void *image_handle, struct efi_system_table *st), - void *image_handle, struct efi_system_table *st) + efi_handle_t image_handle, struct efi_system_table *st), + efi_handle_t image_handle, struct efi_system_table *st) { /* Enable caches again */ dcache_enable(); @@ -159,7 +159,7 @@ static efi_status_t do_bootefi_exec(void *efi, void *fdt, struct efi_device_path *memdp = NULL; ulong ret; - ulong (*entry)(void *image_handle, struct efi_system_table *st) + ulong (*entry)(efi_handle_t image_handle, struct efi_system_table *st) asmlinkage; ulong fdt_pages, fdt_size, fdt_start, fdt_end; const efi_guid_t fdt_guid = EFI_FDT_GUID; diff --git a/include/efi_api.h b/include/efi_api.h index 7164492f83..502fffed20 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -84,11 +84,12 @@ struct efi_boot_services { efi_status_t (EFIAPI *reinstall_protocol_interface)( void *handle, const efi_guid_t *protocol, void *old_interface, void *new_interface); - efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle, - const efi_guid_t *protocol, void *protocol_interface); - efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, - const efi_guid_t *protocol, - void **protocol_interface); + efi_status_t (EFIAPI *uninstall_protocol_interface)( + efi_handle_t handle, const efi_guid_t *protocol, + void *protocol_interface); + efi_status_t (EFIAPI *handle_protocol)( + efi_handle_t handle, const efi_guid_t *protocol, + void **protocol_interface); void *reserved; efi_status_t (EFIAPI *register_protocol_notify)( const efi_guid_t *protocol, struct efi_event *event, @@ -113,7 +114,7 @@ struct efi_boot_services { efi_status_t (EFIAPI *exit)(efi_handle_t handle, efi_status_t exit_status, unsigned long exitdata_size, s16 *exitdata); - efi_status_t (EFIAPI *unload_image)(void *image_handle); + efi_status_t (EFIAPI *unload_image)(efi_handle_t image_handle); efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long); efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count); @@ -139,9 +140,10 @@ struct efi_boot_services { const efi_guid_t *protocol, void **interface, efi_handle_t agent_handle, efi_handle_t controller_handle, u32 attributes); - efi_status_t (EFIAPI *close_protocol)(void *handle, - const efi_guid_t *protocol, void *agent_handle, - void *controller_handle); + efi_status_t (EFIAPI *close_protocol)( + efi_handle_t handle, const efi_guid_t *protocol, + efi_handle_t agent_handle, + efi_handle_t controller_handle); efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle, const efi_guid_t *protocol, struct efi_open_protocol_info_entry **entry_buffer, diff --git a/include/efi_loader.h b/include/efi_loader.h index 6726c44c47..37389c33cc 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -205,23 +205,25 @@ void efi_set_bootdev(const char *dev, const char *devnr, const char *path); /* Add a new object to the object list. */ void efi_add_handle(struct efi_object *obj); /* Create handle */ -efi_status_t efi_create_handle(void **handle); +efi_status_t efi_create_handle(efi_handle_t *handle); /* Delete handle */ void efi_delete_handle(struct efi_object *obj); /* Call this to validate a handle and find the EFI object for it */ -struct efi_object *efi_search_obj(const void *handle); +struct efi_object *efi_search_obj(const efi_handle_t handle); /* Find a protocol on a handle */ -efi_status_t efi_search_protocol(const void *handle, +efi_status_t efi_search_protocol(const efi_handle_t handle, const efi_guid_t *protocol_guid, struct efi_handler **handler); /* Install new protocol on a handle */ -efi_status_t efi_add_protocol(const void *handle, const efi_guid_t *protocol, +efi_status_t efi_add_protocol(const efi_handle_t handle, + const efi_guid_t *protocol, void *protocol_interface); /* Delete protocol from a handle */ -efi_status_t efi_remove_protocol(const void *handle, const efi_guid_t *protocol, +efi_status_t efi_remove_protocol(const efi_handle_t handle, + const efi_guid_t *protocol, void *protocol_interface); /* Delete all protocols from a handle */ -efi_status_t efi_remove_all_protocols(const void *handle); +efi_status_t efi_remove_all_protocols(const efi_handle_t handle); /* Call this to create an event */ efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl, void (EFIAPI *notify_function) ( diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 47b3892f2d..1026049bf1 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -60,9 +60,10 @@ static int nesting_level; const efi_guid_t efi_guid_driver_binding_protocol = EFI_DRIVER_BINDING_PROTOCOL_GUID; -static efi_status_t EFIAPI efi_disconnect_controller(void *controller_handle, - void *driver_image_handle, - void *child_handle); +static efi_status_t EFIAPI efi_disconnect_controller( + efi_handle_t controller_handle, + efi_handle_t driver_image_handle, + efi_handle_t child_handle); /* Called on every callback entry */ int __efi_entry_check(void) @@ -351,7 +352,7 @@ void efi_add_handle(struct efi_object *obj) * @handle new handle * @return status code */ -efi_status_t efi_create_handle(void **handle) +efi_status_t efi_create_handle(efi_handle_t *handle) { struct efi_object *obj; efi_status_t r; @@ -374,7 +375,7 @@ efi_status_t efi_create_handle(void **handle) * @handler reference to the protocol * @return status code */ -efi_status_t efi_search_protocol(const void *handle, +efi_status_t efi_search_protocol(const efi_handle_t handle, const efi_guid_t *protocol_guid, struct efi_handler **handler) { @@ -407,7 +408,8 @@ efi_status_t efi_search_protocol(const void *handle, * @protocol_interface interface of the protocol implementation * @return status code */ -efi_status_t efi_remove_protocol(const void *handle, const efi_guid_t *protocol, +efi_status_t efi_remove_protocol(const efi_handle_t handle, + const efi_guid_t *protocol, void *protocol_interface) { struct efi_handler *handler; @@ -429,7 +431,7 @@ efi_status_t efi_remove_protocol(const void *handle, const efi_guid_t *protocol, * @handle handle from which the protocols shall be deleted * @return status code */ -efi_status_t efi_remove_all_protocols(const void *handle) +efi_status_t efi_remove_all_protocols(const efi_handle_t handle) { struct efi_object *efiobj; struct efi_handler *protocol; @@ -809,7 +811,7 @@ static efi_status_t EFIAPI efi_check_event(struct efi_event *event) * @handle handle to find * @return EFI object */ -struct efi_object *efi_search_obj(const void *handle) +struct efi_object *efi_search_obj(const efi_handle_t handle) { struct efi_object *efiobj; @@ -863,7 +865,8 @@ static efi_status_t efi_delete_open_info( * @protocol_interface interface of the protocol implementation * @return status code */ -efi_status_t efi_add_protocol(const void *handle, const efi_guid_t *protocol, +efi_status_t efi_add_protocol(const efi_handle_t handle, + const efi_guid_t *protocol, void *protocol_interface) { struct efi_object *efiobj; @@ -948,9 +951,9 @@ out: * @new_interface interface to be installed * @return status code */ -static efi_status_t EFIAPI efi_reinstall_protocol_interface(void *handle, - const efi_guid_t *protocol, void *old_interface, - void *new_interface) +static efi_status_t EFIAPI efi_reinstall_protocol_interface( + efi_handle_t handle, const efi_guid_t *protocol, + void *old_interface, void *new_interface) { EFI_ENTRY("%p, %pUl, %p, %p", handle, protocol, old_interface, new_interface); @@ -1073,7 +1076,7 @@ static efi_status_t efi_disconnect_all_drivers( * @return status code */ static efi_status_t EFIAPI efi_uninstall_protocol_interface( - void *handle, const efi_guid_t *protocol, + efi_handle_t handle, const efi_guid_t *protocol, void *protocol_interface) { struct efi_object *efiobj; @@ -1530,7 +1533,7 @@ static efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle, unsigned long *exit_data_size, s16 **exit_data) { - ulong (*entry)(void *image_handle, struct efi_system_table *st); + ulong (*entry)(efi_handle_t image_handle, struct efi_system_table *st); struct efi_loaded_image *info = image_handle; efi_status_t ret; @@ -1632,7 +1635,7 @@ static efi_status_t EFIAPI efi_exit(efi_handle_t image_handle, * @image_handle handle of the image to be unloaded * @return status code */ -static efi_status_t EFIAPI efi_unload_image(void *image_handle) +static efi_status_t EFIAPI efi_unload_image(efi_handle_t image_handle) { struct efi_object *efiobj; @@ -1670,7 +1673,7 @@ static void efi_exit_caches(void) * @map_key key of the memory map * @return status code */ -static efi_status_t EFIAPI efi_exit_boot_services(void *image_handle, +static efi_status_t EFIAPI efi_exit_boot_services(efi_handle_t image_handle, unsigned long map_key) { int i; @@ -1774,10 +1777,10 @@ static efi_status_t EFIAPI efi_set_watchdog_timer(unsigned long timeout, * @controller_handle handle of the controller * @return status code */ -static efi_status_t EFIAPI efi_close_protocol(void *handle, +static efi_status_t EFIAPI efi_close_protocol(efi_handle_t handle, const efi_guid_t *protocol, - void *agent_handle, - void *controller_handle) + efi_handle_t agent_handle, + efi_handle_t controller_handle) { struct efi_handler *handler; struct efi_open_protocol_info_item *item; @@ -1883,8 +1886,8 @@ out: * @protocol_buffer_count number of entries in the buffer * @return status code */ -static efi_status_t EFIAPI efi_protocols_per_handle(void *handle, - efi_guid_t ***protocol_buffer, +static efi_status_t EFIAPI efi_protocols_per_handle( + efi_handle_t handle, efi_guid_t ***protocol_buffer, efi_uintn_t *protocol_buffer_count) { unsigned long buffer_size; @@ -1974,7 +1977,7 @@ static efi_status_t EFIAPI efi_locate_handle_buffer( r = efi_locate_handle(search_type, protocol, search_key, &buffer_size, *buffer); if (r == EFI_SUCCESS) - *no_handles = buffer_size / sizeof(void *); + *no_handles = buffer_size / sizeof(efi_handle_t); out: return EFI_EXIT(r); } @@ -2442,7 +2445,7 @@ out: * @protocol_interface interface implementing the protocol * @return status code */ -static efi_status_t EFIAPI efi_handle_protocol(void *handle, +static efi_status_t EFIAPI efi_handle_protocol(efi_handle_t handle, const efi_guid_t *protocol, void **protocol_interface) { diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 98497db612..56b079cee8 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -503,21 +503,21 @@ int efi_console_register(void) struct efi_object *efi_console_input_obj; /* Create handles */ - r = efi_create_handle((void **)&efi_console_control_obj); + r = efi_create_handle((efi_handle_t *)&efi_console_control_obj); if (r != EFI_SUCCESS) goto out_of_memory; r = efi_add_protocol(efi_console_control_obj->handle, &efi_guid_console_control, &efi_console_control); if (r != EFI_SUCCESS) goto out_of_memory; - r = efi_create_handle((void **)&efi_console_output_obj); + r = efi_create_handle((efi_handle_t *)&efi_console_output_obj); if (r != EFI_SUCCESS) goto out_of_memory; r = efi_add_protocol(efi_console_output_obj->handle, &efi_guid_text_output_protocol, &efi_con_out); if (r != EFI_SUCCESS) goto out_of_memory; - r = efi_create_handle((void **)&efi_console_input_obj); + r = efi_create_handle((efi_handle_t *)&efi_console_input_obj); if (r != EFI_SUCCESS) goto out_of_memory; r = efi_add_protocol(efi_console_input_obj->handle, -- cgit v1.2.3 From 4f94865b30e07a8c140751b0c0b238960fa27b8c Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Fri, 19 Jan 2018 20:24:48 +0100 Subject: efi_loader: correct EFI_BLOCK_IO_PROTOCOL definitions Add the revision constants. Depending on the revision additional fields are needed in the media descriptor. Use efi_uintn_t for number of bytes to read or write. Signed-off-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- include/efi_api.h | 12 ++++++++++-- lib/efi_loader/efi_disk.c | 8 ++++---- 2 files changed, 14 insertions(+), 6 deletions(-) (limited to 'include/efi_api.h') diff --git a/include/efi_api.h b/include/efi_api.h index 502fffed20..1ecde54152 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -424,18 +424,26 @@ struct efi_block_io_media u32 io_align; u8 pad2[4]; u64 last_block; + /* Added in revision 2 of the protocol */ + u64 lowest_aligned_lba; + u32 logical_blocks_per_physical_block; + /* Added in revision 3 of the protocol */ + u32 optimal_transfer_length_granualarity; }; +#define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001 +#define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f + struct efi_block_io { u64 revision; struct efi_block_io_media *media; efi_status_t (EFIAPI *reset)(struct efi_block_io *this, char extended_verification); efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this, - u32 media_id, u64 lba, unsigned long buffer_size, + u32 media_id, u64 lba, efi_uintn_t buffer_size, void *buffer); efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this, - u32 media_id, u64 lba, unsigned long buffer_size, + u32 media_id, u64 lba, efi_uintn_t buffer_size, void *buffer); efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this); }; diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c index 0050e5d98f..ac39a65ee8 100644 --- a/lib/efi_loader/efi_disk.c +++ b/lib/efi_loader/efi_disk.c @@ -91,7 +91,7 @@ static efi_status_t efi_disk_rw_blocks(struct efi_block_io *this, } static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this, - u32 media_id, u64 lba, unsigned long buffer_size, + u32 media_id, u64 lba, efi_uintn_t buffer_size, void *buffer) { void *real_buffer = buffer; @@ -112,7 +112,7 @@ static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this, real_buffer = efi_bounce_buffer; #endif - EFI_ENTRY("%p, %x, %"PRIx64", %lx, %p", this, media_id, lba, + EFI_ENTRY("%p, %x, %" PRIx64 ", %zx, %p", this, media_id, lba, buffer_size, buffer); r = efi_disk_rw_blocks(this, media_id, lba, buffer_size, real_buffer, @@ -126,7 +126,7 @@ static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this, } static efi_status_t EFIAPI efi_disk_write_blocks(struct efi_block_io *this, - u32 media_id, u64 lba, unsigned long buffer_size, + u32 media_id, u64 lba, efi_uintn_t buffer_size, void *buffer) { void *real_buffer = buffer; @@ -147,7 +147,7 @@ static efi_status_t EFIAPI efi_disk_write_blocks(struct efi_block_io *this, real_buffer = efi_bounce_buffer; #endif - EFI_ENTRY("%p, %x, %"PRIx64", %lx, %p", this, media_id, lba, + EFI_ENTRY("%p, %x, %" PRIx64 ", %zx, %p", this, media_id, lba, buffer_size, buffer); /* Populate bounce buffer if necessary */ -- cgit v1.2.3 From cc20ed03f9887b45c834a066d0ecd098934fa43b Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Fri, 19 Jan 2018 20:24:52 +0100 Subject: efi_loader: fix ExitBootServices This patch lets the implementation of ExitBootServices conform to the UEFI standard. The timer events must be disabled before calling the notification functions of the exit boot services events. The boot services must be disabled in the system table. The handles in the system table should be defined as efi_handle_t. Signed-off-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- include/efi_api.h | 6 +++--- lib/efi_loader/efi_boottime.c | 34 +++++++++++++++++++++++++++++----- 2 files changed, 32 insertions(+), 8 deletions(-) (limited to 'include/efi_api.h') diff --git a/include/efi_api.h b/include/efi_api.h index 1ecde54152..205f8f1f70 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -247,11 +247,11 @@ struct efi_system_table { struct efi_table_hdr hdr; unsigned long fw_vendor; /* physical addr of wchar_t vendor string */ u32 fw_revision; - unsigned long con_in_handle; + efi_handle_t con_in_handle; struct efi_simple_input_interface *con_in; - unsigned long con_out_handle; + efi_handle_t con_out_handle; struct efi_simple_text_output_protocol *con_out; - unsigned long stderr_handle; + efi_handle_t stderr_handle; struct efi_simple_text_output_protocol *std_err; struct efi_runtime_services *runtime; struct efi_boot_services *boottime; diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 8e5480ac17..39d8511fe3 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -1665,12 +1665,16 @@ static void efi_exit_caches(void) } /* - * Stop boot services. + * Stop all boot services. * * This function implements the ExitBootServices service. * See the Unified Extensible Firmware Interface (UEFI) specification * for details. * + * All timer events are disabled. + * For exit boot services events the notification function is called. + * The boot services are disabled in the system table. + * * @image_handle handle of the loaded image * @map_key key of the memory map * @return status code @@ -1682,16 +1686,22 @@ static efi_status_t EFIAPI efi_exit_boot_services(efi_handle_t image_handle, EFI_ENTRY("%p, %ld", image_handle, map_key); + /* Make sure that notification functions are not called anymore */ + efi_tpl = TPL_HIGH_LEVEL; + + /* Check if ExitBootServices has already been called */ + if (!systab.boottime) + return EFI_EXIT(EFI_SUCCESS); + /* Notify that ExitBootServices is invoked. */ for (i = 0; i < ARRAY_SIZE(efi_events); ++i) { if (efi_events[i].type != EVT_SIGNAL_EXIT_BOOT_SERVICES) continue; - efi_signal_event(&efi_events[i]); + efi_events[i].is_signaled = true; + efi_signal_event(&efi_events[i], false); } - /* Make sure that notification functions are not called anymore */ - efi_tpl = TPL_HIGH_LEVEL; - /* XXX Should persist EFI variables here */ + /* TODO Should persist EFI variables here */ board_quiesce_devices(); @@ -1701,6 +1711,20 @@ static efi_status_t EFIAPI efi_exit_boot_services(efi_handle_t image_handle, /* This stops all lingering devices */ bootm_disable_interrupts(); + /* Disable boottime services */ + systab.con_in_handle = NULL; + systab.con_in = NULL; + systab.con_out_handle = NULL; + systab.con_out = NULL; + systab.stderr_handle = NULL; + systab.std_err = NULL; + systab.boottime = NULL; + + /* Recalculate CRC32 */ + systab.hdr.crc32 = 0; + systab.hdr.crc32 = crc32(0, (const unsigned char *)&systab, + sizeof(struct efi_system_table)); + /* Give the payload some time to boot */ efi_set_watchdog(0); WATCHDOG_RESET(); -- cgit v1.2.3