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Re: [PULL 2/2] hw/ufs: Add support MCQ of UFSHCI 4.0


From: Richard Henderson
Subject: Re: [PULL 2/2] hw/ufs: Add support MCQ of UFSHCI 4.0
Date: Tue, 28 May 2024 10:06:24 -0700
User-agent: Mozilla Thunderbird

On 5/27/24 23:12, Jeuk Kim wrote:
From: Minwoo Im <minwoo.im@samsung.com>

This patch adds support for MCQ defined in UFSHCI 4.0.  This patch
utilized the legacy I/O codes as much as possible to support MCQ.

MCQ operation & runtime register is placed at 0x1000 offset of UFSHCI
register statically with no spare space among four registers (48B):

        UfsMcqSqReg, UfsMcqSqIntReg, UfsMcqCqReg, UfsMcqCqIntReg

The maxinum number of queue is 32 as per spec, and the default
MAC(Multiple Active Commands) are 32 in the device.

Example:
        -device ufs,serial=foo,id=ufs0,mcq=true,mcq-maxq=8

Signed-off-by: Minwoo Im <minwoo.im@samsung.com>
Reviewed-by: Jeuk Kim <jeuk20.kim@samsung.com>
Message-Id: <20240528023106.856777-3-minwoo.im@samsung.com>
Signed-off-by: Jeuk Kim <jeuk20.kim@samsung.com>
---
  hw/ufs/trace-events |  17 ++
  hw/ufs/ufs.c        | 475 ++++++++++++++++++++++++++++++++++++++++++--
  hw/ufs/ufs.h        |  98 ++++++++-
  include/block/ufs.h |  23 ++-
  4 files changed, 593 insertions(+), 20 deletions(-)

Fails build:

https://gitlab.com/qemu-project/qemu/-/jobs/6960270722

In file included from trace/trace-hw_ufs.c:5:
../hw/ufs/trace-events:28:24: error: format specifies type 'unsigned char' but the argument has type 'uint32_t' (aka 'unsigned int') [-Werror,-Wformat]
                     , cqid, addr);
                       ^~~~
../hw/ufs/trace-events:25:112: error: format specifies type 'unsigned char' but the argument has type 'uint32_t' (aka 'unsigned int') [-Werror,-Wformat] qemu_log("ufs_err_dma_write_cq " "failed to write cq entry. cqid %"PRIu8", hwaddr %"PRIu64"" "\n", cqid, addr); ~~~~~~~ ^~~~
2 errors generated.



r~



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