Hi Heinrich, On Sun, 7 Nov 2021 at 01:21, Heinrich Schuchardt <xypron.g...@gmx.de> wrote: > > > > On 11/4/21 04:09, Simon Glass wrote: > > At present UCLASS_EFI is used to represent an EFI filesystem among other > > things. The description of this uclass is "EFI managed devices" which is > > pretty vague. The only driver that uses this uclass is in fact not a real > > U-Boot driver, since its operations do not include a struct udevice. > > > > Rather than mess with this, create a new UCLASS_EFI_MEDIA uclass to handle > > EFI media such as disks. Make this the uclass to use for EFI media so that > > it can be used with 'part list', for example. > > > > The existing implementation using UCLASS_EFI remains as is, for > > discussion. > > > > Signed-off-by: Simon Glass <s...@chromium.org> > > --- > > > > (no changes since v2) > > > > Changes in v2: > > - Add MAINTAINERS entry > > - Show the correct interface type with 'part list' > > - Update the commit message to explain things better > > > > MAINTAINERS | 3 +++ > > arch/sandbox/dts/test.dts | 4 ++++ > > disk/part.c | 5 ++++- > > drivers/block/Kconfig | 23 +++++++++++++++++++++++ > > drivers/block/Makefile | 3 +++ > > drivers/block/blk-uclass.c | 2 +- > > drivers/block/efi-media-uclass.c | 15 +++++++++++++++ > > drivers/block/sb_efi_media.c | 20 ++++++++++++++++++++ > > include/dm/uclass-id.h | 1 + > > test/dm/Makefile | 1 + > > test/dm/efi_media.c | 24 ++++++++++++++++++++++++ > > 11 files changed, 99 insertions(+), 2 deletions(-) > > create mode 100644 drivers/block/efi-media-uclass.c > > create mode 100644 drivers/block/sb_efi_media.c > > create mode 100644 test/dm/efi_media.c > > > > diff --git a/MAINTAINERS b/MAINTAINERS > > index 00ff572d4d2..3e8f10c72fa 100644 > > --- a/MAINTAINERS > > +++ b/MAINTAINERS > > @@ -712,8 +712,11 @@ W: > > https://u-boot.readthedocs.io/en/latest/develop/uefi/u-boot_on_efi.html > > F: board/efi/efi-x86_app > > F: configs/efi-x86_app* > > F: doc/develop/uefi/u-boot_on_efi.rst > > +F: drivers/block/efi-media-uclass.c > > +F: drivers/block/sb_efi_media.c > > F: lib/efi/efi_app.c > > F: scripts/build-efi.sh > > +F: test/dm/efi_media.c > > > > EFI PAYLOAD > > M: Heinrich Schuchardt <xypron.g...@gmx.de> > > diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts > > index 8cd688e8d26..2cea4a43c87 100644 > > --- a/arch/sandbox/dts/test.dts > > +++ b/arch/sandbox/dts/test.dts > > @@ -498,6 +498,10 @@ > > compatible = "sandbox,clk-ccf"; > > }; > > > > + efi-media { > > + compatible = "sandbox,efi-media"; > > + }; > > + > > eth@10002000 { > > compatible = "sandbox,eth"; > > reg = <0x10002000 0x1000>; > > diff --git a/disk/part.c b/disk/part.c > > index a6a8f7052bd..2560f6a50bc 100644 > > --- a/disk/part.c > > +++ b/disk/part.c > > @@ -296,8 +296,11 @@ static void print_part_header(const char *type, struct > > blk_desc *dev_desc) > > case IF_TYPE_VIRTIO: > > puts("VirtIO"); > > break; > > + case IF_TYPE_EFI: > > + puts("EFI"); > > + break; > > default: > > - puts ("UNKNOWN"); > > + puts("UNKNOWN"); > > break; > > } > > printf (" device %d -- Partition Type: %s\n\n", > > diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig > > index 56a4eec05ac..755fdccb574 100644 > > --- a/drivers/block/Kconfig > > +++ b/drivers/block/Kconfig > > @@ -61,6 +61,29 @@ config TPL_BLOCK_CACHE > > help > > This option enables the disk-block cache in TPL > > > > +config EFI_MEDIA > > + bool "Support EFI media drivers" > > + default y if EFI || SANDBOX > > + help > > + Enable this to support media devices on top of UEFI. This enables > > + just the uclass so you also need a specific driver to make this do > > + anything. > > + > > + For sandbox there is a test driver. > > + > > +if EFI_MEDIA > > + > > +config EFI_MEDIA_SANDBOX > > + bool "Sandbox EFI media driver" > > + depends on SANDBOX > > + default y > > + help > > + Enables a simple sandbox media driver, used for testing just the > > + EFI_MEDIA uclass. It does not do anything useful, since sandbox does > > + not actually support running on top of UEFI. > > + > > +endif # EFI_MEDIA > > + > > config IDE > > bool "Support IDE controllers" > > select HAVE_BLOCK_DEVICE > > diff --git a/drivers/block/Makefile b/drivers/block/Makefile > > index 94ab5c6f906..3778633da1d 100644 > > --- a/drivers/block/Makefile > > +++ b/drivers/block/Makefile > > @@ -14,3 +14,6 @@ obj-$(CONFIG_IDE) += ide.o > > endif > > obj-$(CONFIG_SANDBOX) += sandbox.o > > obj-$(CONFIG_$(SPL_TPL_)BLOCK_CACHE) += blkcache.o > > + > > +obj-$(CONFIG_EFI_MEDIA) += efi-media-uclass.o > > +obj-$(CONFIG_EFI_MEDIA_SANDBOX) += sb_efi_media.o > > diff --git a/drivers/block/blk-uclass.c b/drivers/block/blk-uclass.c > > index 83682dcc181..2db7ce5de20 100644 > > --- a/drivers/block/blk-uclass.c > > +++ b/drivers/block/blk-uclass.c > > @@ -44,7 +44,7 @@ static enum uclass_id if_type_uclass_id[IF_TYPE_COUNT] = { > > [IF_TYPE_SATA] = UCLASS_AHCI, > > [IF_TYPE_HOST] = UCLASS_ROOT, > > [IF_TYPE_NVME] = UCLASS_NVME, > > - [IF_TYPE_EFI] = UCLASS_EFI, > > + [IF_TYPE_EFI] = UCLASS_EFI_MEDIA, > > Don't break existing code. Create a new if_type here.
My understanding is that this is not actually used at present. The tests appear to pass without trouble. What problem are you seeing? Regards, Simon