misc: bcm-vk: reset_pid support

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Add reset support via ioctl.
Kill user processes that are open when VK card is reset.
If a particular PID has issued the reset request do not kill that process
as it issued the ioctl.

Co-developed-by: Desmond Yan <desmond.yan@broadcom.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Desmond Yan <desmond.yan@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Link: https://lore.kernel.org/r/20210120175827.14820-11-scott.branden@broadcom.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Scott Branden 2021-01-20 09:58:24 -08:00 • committed by Greg Kroah-Hartman

parent 111d746bb4

commit d63d658f74

3 changed files with 191 additions and 8 deletions

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1

drivers/misc/bcm-vk/bcm_vk.h

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158

drivers/misc/bcm-vk/bcm_vk_dev.c

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40

drivers/misc/bcm-vk/bcm_vk_msg.c

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