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* dm: treewide: Rename 'platdata' variables to just 'plat'Simon Glass2020-12-131-1/+1
| | | | | | | | | | We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
* xen: pvblock: Add initial support for para-virtualized block driverAnastasiia Lukianenko2020-08-141-0/+1
| | | | | | | | | | | | | | | Add initial infrastructure for Xen para-virtualized block device. This includes compile-time configuration and the skeleton for the future driver implementation. Add new class UCLASS_PVBLOCK which is going to be a parent for virtual block devices. Add new interface type IF_TYPE_PVBLOCK. Implement basic driver setup by reading XenStore configuration. Signed-off-by: Andrii Anisov <andrii_anisov@epam.com> Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com> Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
* command: Remove the cmd_tbl_t typedefSimon Glass2020-05-181-1/+1
| | | | | | | | | | | | | We should not use typedefs in U-Boot. They cannot be used as forward declarations which means that header files must include the full header to access them. Drop the typedef and rename the struct to remove the _s suffix which is now not useful. This requires quite a few header-file additions. Signed-off-by: Simon Glass <sjg@chromium.org>
* common: blk: fix comment about blkcache_read return valueEric Nelson2020-01-251-1/+1
| | | | | | | The blkcache_read() routine returns 1 (true) to indicate that a block was found in the cache and returned, or 0 if not. Signed-off-by: Eric Nelson <eric@nelint.com>
* common: add blkcache initAngelo Durgehello2020-01-251-0/+6
| | | | | | | | | | | On m68k, block_cache list is relocated, but next and prev list pointers are not adjusted to the relocated struct list_head address, so the first iteration over the block_cache list hangs. This patch initializes the block_cache list after relocation. Signed-off-by: Angelo Durgehello <angelo.dureghello@timesys.com> Reviewed-by: Eric Nelson <eric@nelint.com>
* blk: Introduce IF_TYPE_VIRTIOTuomas Tynkkynen2018-11-141-0/+1
| | | | | | | | This adds a new block interface type for VirtIO block devices. Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi> Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* blk: Make blk_next_free_devnum() publicBin Meng2018-11-141-0/+11
| | | | | | | | blk_next_free_devnum() can be helpful in some cases. Make it a public API. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* blk: Drop blk_prepare_device()Bin Meng2018-11-141-10/+0
| | | | | | | With the post_probe() changes, this API is no longer needed. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* block: Add a function to find block device descriptorTien Fong Chee2018-09-281-0/+9
| | | | | | | | | Add a function to find the block device descriptor of the parent device. Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com> [trini: Move function declaration to avoid warning] Signed-off-by: Tom Rini <trini@konsulko.com>
* block: Add SPL_BLOCK_CACHE and default nAdam Ford2018-06-181-1/+1
| | | | | | | | | | When enabling BLOCK_CACHE on devices with limited RAM during SPL, some devices may not boot. This creates an option to enable block caching in SPL by defaults off. It is dependent on SPL_BLK Fixes: 46960ad6d09b ("block: Have BLOCK_CACHE default to y in some cases") Signed-off-by: Adam Ford <aford173@gmail.com>
* SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini2018-05-071-2/+1
| | | | | | | | | | | | | | | | | | | | When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
* SystemACE: RemoveTom Rini2018-02-131-1/+0
| | | | | | | | | | | | This driver is no longer used on any supported platform in U-Boot and there is no interest in maintaining it further from people that have used it historically. Cc: Simon Glass <sjg@chromium.org> Cc: Michal Simek <michal.simek@xilinx.com> c: Alexey Brodkin <alexey.brodkin@gmail.com> Signed-off-by: Tom Rini <trini@konsulko.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
* efi_driver: EFI block driverHeinrich Schuchardt2018-01-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides * a uclass for EFI drivers * a EFI driver for block devices For each EFI driver the uclass * creates a handle * adds the driver binding protocol The uclass provides the bind, start, and stop entry points for the driver binding protocol. In bind() and stop() it checks if the controller implements the protocol supported by the EFI driver. In the start() function it calls the bind() function of the EFI driver. In the stop() function it destroys the child controllers. The EFI block driver binds to controllers implementing the block io protocol. When the bind function of the EFI block driver is called it creates a new U-Boot block device. It installs child handles for all partitions and installs the simple file protocol on these. The read and write functions of the EFI block driver delegate calls to the controller that it is bound to. A usage example is as following: U-Boot loads the iPXE snp.efi executable. iPXE connects an iSCSI drive and exposes a handle with the block IO protocol. It calls ConnectController. Now the EFI block driver installs the partitions with the simple file protocol. iPXE uses the simple file protocol to load Grub or the Linux Kernel. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> [agraf: add comment on calloc len] Signed-off-by: Alexander Graf <agraf@suse.de>
* part: extract MBR signature from partitionsPeter Jones2017-09-201-0/+18
| | | | | | | | | | | | EFI client programs need the signature information from the partition table to determine the disk a partition is on, so we need to fill that in here. Signed-off-by: Peter Jones <pjones@redhat.com> [separated from efi_loader part, and fixed build-errors for non- CONFIG_EFI_PARTITION case] Signed-off-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de>
* blk: dm: make blk_create_device() take a number of block instead of a sizeJean-Jacques Hiblot2017-09-111-4/+4
| | | | | | | | | | | There is an overflow problem when taking the size instead of the number of blocks in blk_create_device(). This results in a wrong device size: the device apparent size is its real size modulo 4GB. Using the number of blocks instead of the device size fixes the problem and is more coherent with the internals of the block layer. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* blk: Use macros for block device vendor/product/rev string sizeBin Meng2017-09-101-3/+7
| | | | | | | So far these are using magic numbers. Replace them with macros. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* dm: blk: Add a generic function for block device commandsSimon Glass2017-08-171-0/+12
| | | | | | | | | | | | | | | Most block devices provide a command (e.g. 'sata', 'scsi', 'ide') and these commands generally do the same thing. This makes it harder to maintain this code and keep it consistent. We now have a block device interface which is either implemented by driver model (when CONFIG_BLK is enabled) or with a legacy interface. Therefore it is possible to handle most of what these commands do with generic code. Add a new generic function to process block-device commands using the interface type and the current device number for that type. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: blk: Add a function to find an interface-type nameSimon Glass2017-08-171-0/+8
| | | | | | | | | | Add a function to find the name of an interface type (e.g. "sata", "scsi") from the interface type enum. This is useful for generic code (not specific to SATA or SCSI, for example) that wants to display the type of interface it is dealing with. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: blk: part: Add UCLASS_NVME and IF_TYPE_NVMEZhikang Zhang2017-08-131-0/+1
| | | | | | | | | | This adds a new uclass id and block interface type for NVMe. Signed-off-by: Zhikang Zhang <zhikang.zhang@nxp.com> Signed-off-by: Wenbin Song <wenbin.song@nxp.com> Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Signed-off-by: Jon Nettleton <jon@solid-run.com> Reviewed-by: Tom Rini <trini@konsulko.com>
* dm: mmc: Allow disabling driver model in SPLSimon Glass2017-08-011-2/+2
| | | | | | | | | | | | | | At present if U-Boot proper uses driver model for MMC, then SPL has to also. While this is desirable, it places a significant barrier to moving to driver model in some cases. For example, with a space-constrained SPL it may be necessary to enable CONFIG_SPL_OF_PLATDATA which involves adjusting some drivers. Add new SPL versions of the options for DM_MMC, DM_MMC_OPS and BLK. By default these follow their non-SPL versions, but this can be changed by boards which need it. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: blk: Fix warning on !CONFIG_BLKTom Rini2017-06-101-7/+7
| | | | | | | | | | | When we don't have CONFIG_BLK defined we don't have a forward declaration of struct udevice, and thus get a warning about it on blk_get_from_parent(), which we only have when CONFIG_BLK is set. Move the declaration of blk_get_from_parent() to be with the other CONFIG_BLK parts. Fixes 9f103b9cb5f8 ("dm: blk: Add a way to obtain a block device from ...") Signed-off-by: Tom Rini <trini@konsulko.com>
* dm: blk: Add a way to obtain a block device from its parentSimon Glass2017-06-091-0/+7
| | | | | | | | Many devices support a child block device (e.g. MMC, USB). Add a convenient way to get this device given the parent device. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
* dm: blk: Allow finding block devices without probingSimon Glass2017-06-011-1/+14
| | | | | | | Sometimes it is useful to be able to find a block device without also probing it. Add a function for this as well as the associated test. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: blk: Add a comment as to why the bdev member is neededSimon Glass2016-05-171-0/+5
| | | | | | | This member should be explained, since it is not obvious why it is needed. Add a comment. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: blk: Add functions to select a hardware partitionSimon Glass2016-05-171-0/+30
| | | | | | | | The block device uclass does not currently support selecting a particular hardware partition but this is needed for MMC. Add it so that the blk API can support MMC properly. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: blk: Add a easier way to create a named block deviceSimon Glass2016-05-171-0/+17
| | | | | | | | Add a function that automatically builds the device name given the parent and a supplied string. Most callers will want to do this, so putting this functionality in one place makes more sense. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: blk: Allow blk_create_device() to allocate the device numberSimon Glass2016-05-171-1/+14
| | | | | | | | Allow a devnum parameter of -1 to indicate that the device number should be alocated automatically. The next highest available device number for that interface type is used. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: systemace: Add a legacy block interfaceSimon Glass2016-05-171-0/+1
| | | | | | Add a legacy block interface for systemace. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: blk: Add a legacy block interfaceSimon Glass2016-05-171-0/+195
| | | | | | | | | | There is quite a bit of duplicated common code related to block devices in the IDE and SCSI implementations. Create some helper functions that can be used to reduce the duplication. These rely on a linker list of interface-type drivers Signed-off-by: Simon Glass <sjg@chromium.org>
* drivers: block: fix placement of parametersEric Nelson2016-04-111-20/+14
| | | | Signed-off-by: Eric Nelson <eric@nelint.com>
* drivers: block: add block device cacheEric Nelson2016-04-011-1/+104
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a block device cache to speed up repeated reads of block devices by various filesystems. This small amount of cache can dramatically speed up filesystem operations by skipping repeated reads of common areas of a block device (typically directory structures). This has shown to have some benefit on FAT filesystem operations of loading a kernel and RAM disk, but more dramatic benefits on ext4 filesystems when the kernel and/or RAM disk are spread across multiple extent header structures as described in commit fc0fc50. The cache is implemented through a minimal list (block_cache) maintained in most-recently-used order and count of the current number of entries (cache_count). It uses a maximum block count setting to prevent copies of large block reads and an upper bound on the number of cached areas. The maximum number of entries in the cache defaults to 32 and the maximum number of blocks per cache entry has a default of 2, which has shown to produce the best results on testing of ext4 and FAT filesystems. The 'blkcache' command (enabled through CONFIG_CMD_BLOCK_CACHE) allows changing these values and can be used to tune for a particular filesystem layout. Signed-off-by: Eric Nelson <eric@nelint.com>
* dm: blk: Add a block-device uclassSimon Glass2016-03-141-0/+145
| | | | | | | | | Add a uclass for block devices. These provide block-oriented data access, supporting reading, writing and erasing of whole blocks. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Stephen Warren <swarren@nvidia.com>
* dm: block: Adjust device calls to go through helpers functionSimon Glass2016-03-141-0/+29
| | | | | | | | | | | | To ease conversion to driver model, add helper functions which deal with calling each block device method. With driver model we can reimplement these functions with the same arguments. Use inline functions to avoid increasing code size on some boards. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Stephen Warren <swarren@nvidia.com>
* dm: block: Rename device number member dev to devnumSimon Glass2016-03-141-1/+1
| | | | | | | | | This is a device number, and we want to use 'dev' to mean a driver model device. Rename the member. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Stephen Warren <swarren@nvidia.com>
* dm: blk: Convert interface type to an enumSimon Glass2016-03-141-12/+15
| | | | | | | | | | | | Since these are sequentially numbered it makes sense to use an enum. It avoids having to maintain the maximum value, and provides a type we can use if it is useful. In fact the maximum value is not used. Rename it to COUNT, since MAX suggests it is the maximum valid value, but it is not. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Stephen Warren <swarren@nvidia.com>
* dm: Add a new header for block devicesSimon Glass2016-03-141-0/+71
At present block devices are tied up with partitions. But not all block devices have partitions within them. They are in fact separate concepts. Create a separate blk.h header file for block devices. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Stephen Warren <swarren@nvidia.com>
generated by cgit (git 2.34.1) at 2024-05-19 04:21:15 +0000