linux-kernel - [PATCH v9 00/13] Add Broadcom VK driver

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Message-Id: <20210120175827.14820-1-scott.branden@broadcom.com>
Date:   Wed, 20 Jan 2021 09:58:14 -0800
From:   Scott Branden <scott.branden@...adcom.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Scott Branden <scott.branden@...adcom.com>
Cc:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        Desmond Yan <desmond.yan@...adcom.com>,
        Olof Johansson <olof@...om.net>
Subject: [PATCH v9 00/13] Add Broadcom VK driver

This patch series drops previous patches in [1]
that were incorporated by Kees Cook into patch series
"Introduce partial kernel_read_file() support" [2].

Remaining patches are contained in this series to add Broadcom VK driver.
(which depends on request_firmware_into_buf API addition which has
now been accepted into the upstream kernel as of v5.10-rc1).

[1] https://lore.kernel.org/lkml/20200706232309.12010-1-scott.branden@broadcom.com/
[2] https://lore.kernel.org/lkml/20201002173828.2099543-1-keescook@chromium.org/

Changes from v8:
 - add ack's by Olof Johansson
Changes from v7:
 - add more information in Kconfig help description
Changes from v6:
 - drop QSTATS patch as it needs to be reviewed if trace_printk makes sense
 - add wdog and IPC interface alerts
 - add boundary check to msgq and peerlog
 - clear additional registers on reset
Changes from v5:
 - dropped sysfs patch from series for now as rework to use hwmon
 - tty patch still at end of series to drop if another solution available
 - updated cover letter commit to point to Kees' latest patch submission in [2]
 - specified --base with Kees' patches applied (kernel branches don't have these yet)
 - removed trivial comment
 - moved location of const to before the struct in two declarations
 - changed dev_info to dev_warn and only print when irq don't match expected
 - changed dev_info to dev_dbg when printing debug QSTATS
 - removed unnecessary %p print
Changes from v4:
 - fixed memory leak in probe function on failure
 - changed -1 to -EBUSY in bcm_vk_tty return code
 - move bcm_vk_tty patch to end of patch series so it
   can be dropped from current patch series if needed
   and rearchitected if needed.
Changes from v3:
 - split driver into more incremental commits for acceptance/review
 - lowered some dev_info to dev_dbg
 - remove ANSI stdint types and replace with linux u8, etc types
 - changed an EIO return to EPFNOSUPPORT
 - move vk_msg_cmd internal to driver to not expose to UAPI at this time
Changes from v2:
 - open code BIT macro in uapi header
 - A0/B0 boot improvements
Changes from v1:
 - declare bcm_vk_intf_ver_chk as static


Scott Branden (13):
  bcm-vk: add bcm_vk UAPI
  misc: bcm-vk: add Broadcom VK driver
  misc: bcm-vk: add autoload support
  misc: bcm-vk: add misc device to Broadcom VK driver
  misc: bcm-vk: add triggers when host panic or reboots to notify card
  misc: bcm-vk: add open/release
  misc: bcm-vk: add ioctl load_image
  misc: bcm-vk: add get_card_info, peerlog_info, and proc_mon_info
  misc: bcm-vk: add VK messaging support
  misc: bcm-vk: reset_pid support
  misc: bcm-vk: add mmap function for exposing BAR2
  MAINTAINERS: bcm-vk: add maintainer for Broadcom VK Driver
  misc: bcm-vk: add ttyVK support

 MAINTAINERS                      |    7 +
 drivers/misc/Kconfig             |    1 +
 drivers/misc/Makefile            |    1 +
 drivers/misc/bcm-vk/Kconfig      |   17 +
 drivers/misc/bcm-vk/Makefile     |   12 +
 drivers/misc/bcm-vk/bcm_vk.h     |  513 ++++++++++
 drivers/misc/bcm-vk/bcm_vk_dev.c | 1651 ++++++++++++++++++++++++++++++
 drivers/misc/bcm-vk/bcm_vk_msg.c | 1350 ++++++++++++++++++++++++
 drivers/misc/bcm-vk/bcm_vk_msg.h |  163 +++
 drivers/misc/bcm-vk/bcm_vk_sg.c  |  275 +++++
 drivers/misc/bcm-vk/bcm_vk_sg.h  |   61 ++
 drivers/misc/bcm-vk/bcm_vk_tty.c |  333 ++++++
 include/uapi/linux/misc/bcm_vk.h |   84 ++
 13 files changed, 4468 insertions(+)
 create mode 100644 drivers/misc/bcm-vk/Kconfig
 create mode 100644 drivers/misc/bcm-vk/Makefile
 create mode 100644 drivers/misc/bcm-vk/bcm_vk.h
 create mode 100644 drivers/misc/bcm-vk/bcm_vk_dev.c
 create mode 100644 drivers/misc/bcm-vk/bcm_vk_msg.c
 create mode 100644 drivers/misc/bcm-vk/bcm_vk_msg.h
 create mode 100644 drivers/misc/bcm-vk/bcm_vk_sg.c
 create mode 100644 drivers/misc/bcm-vk/bcm_vk_sg.h
 create mode 100644 drivers/misc/bcm-vk/bcm_vk_tty.c
 create mode 100644 include/uapi/linux/misc/bcm_vk.h

-- 
2.17.1