Calling 'nvme scan' followed by 'nvme detail' crashes U-Boot on Turris
Omnia with the following error:
undefined instruction
pc : [<0a000000>] lr : [<7ff80bfc>]
reloc pc : [<8a8c0000>] lr : [<00840bfc>]
sp : 7fb2b908 ip : 0000002a fp : 02000000
r10: 04000000 r9 : 7fb2fed0 r8 : e1000000
r7 : 0c000000 r6 : 03000000 r5 : 06000000 r4 : 01000000
r3 : 7fb30928 r2 : 7fb30928 r1 : 00000000 r0 : 00000000
Flags: nZCv IRQs off FIQs off Mode SVC_32
Code: 0f0fb4f0 0f0fb4f0 0f0fb4f0 0f0fb4f0 (f0f04b0f)
Resetting CPU ...
This happens when nvme_print_info() tries to return to the caller. It
looks like this error is caused by trying to allocate 8 KiB of memory
on the stack by the two uses of ALLOC_CACHE_ALIGN_BUFFER().
Use malloc_cache_aligned() to allocate this memory dynamically instead.
This fixes 'nvme detail' on Turris Omnia.
Note that similar change was applied to file drivers/nvme/nvme.c in past by
commit 2f83481dff ("nvme: use page-aligned buffer for identify command").
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
When dma_addr_t is u32 in 64-bit, there are some warnings when
building NVME driver. Fix it by doing an additional (long) cast.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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>
So far cache operations are only applied on the submission queue and
completion queue, but they are missing in other places like identify
and block read/write routines.
In order to correctly operate on the caches, the DMA buffer passed
to identify routine must be allocated properly on the stack with the
existing macro ALLOC_CACHE_ALIGN_BUFFER().
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This adds nvme_print_info() to show detailed NVMe controller and
namespace information.
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>
Reviewed-by: Tom Rini <trini@konsulko.com>
