From: shiva.linuxworks@gmail.com To: rjw@rjwysocki.net, pavel@ucw.cz, len.brown@intel.com, linux-pm@vger.kernel.org, kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me, linux-nvme@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Shivamurthy Shastri <sshivamurthy@micron.com> Subject: [PATCH v2 0/2] Abrupt Shutdown for NVMe SSD Date: Mon, 26 Jul 2021 13:22:21 +0000 [thread overview] Message-ID: <20210726132223.1661-1-sshivamurthy@micron.com> (raw) From: Shivamurthy Shastri <sshivamurthy@micron.com> In the platform with a limited backup power supply, devices like NVMe SSD does unsafe shutdown. These two patches address this issue by adding a power loss imminent flag. The platform will enable the power loss imminent flag if the platform's power is running on the limited backup power supply. During the shutdown, the driver checks this information and pwerforms the abrupt shutdown. Shivamurthy Shastri (2): PM: introduce power loss imminent nvme: Add abrupt shutdown support drivers/nvme/host/core.c | 7 ++++++- drivers/nvme/host/pci.c | 6 ++++-- include/linux/suspend.h | 28 +++++++++++++++++++++++++--- 3 files changed, 35 insertions(+), 6 deletions(-) -- 2.25.1
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From: shiva.linuxworks@gmail.com To: rjw@rjwysocki.net, pavel@ucw.cz, len.brown@intel.com, linux-pm@vger.kernel.org, kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me, linux-nvme@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Shivamurthy Shastri <sshivamurthy@micron.com> Subject: [PATCH v2 0/2] Abrupt Shutdown for NVMe SSD Date: Mon, 26 Jul 2021 13:22:21 +0000 [thread overview] Message-ID: <20210726132223.1661-1-sshivamurthy@micron.com> (raw) From: Shivamurthy Shastri <sshivamurthy@micron.com> In the platform with a limited backup power supply, devices like NVMe SSD does unsafe shutdown. These two patches address this issue by adding a power loss imminent flag. The platform will enable the power loss imminent flag if the platform's power is running on the limited backup power supply. During the shutdown, the driver checks this information and pwerforms the abrupt shutdown. Shivamurthy Shastri (2): PM: introduce power loss imminent nvme: Add abrupt shutdown support drivers/nvme/host/core.c | 7 ++++++- drivers/nvme/host/pci.c | 6 ++++-- include/linux/suspend.h | 28 +++++++++++++++++++++++++--- 3 files changed, 35 insertions(+), 6 deletions(-) -- 2.25.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme
next reply other threads:[~2021-07-26 13:23 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-26 13:22 shiva.linuxworks [this message] 2021-07-26 13:22 ` [PATCH v2 0/2] Abrupt Shutdown for NVMe SSD shiva.linuxworks 2021-07-26 13:22 ` [PATCH v2 1/2] PM: enable support for imminent power loss shiva.linuxworks 2021-07-26 13:22 ` shiva.linuxworks 2021-07-26 19:41 ` Pavel Machek 2021-07-26 19:41 ` Pavel Machek 2021-07-26 20:16 ` Keith Busch 2021-07-26 20:16 ` Keith Busch 2021-07-26 13:22 ` [PATCH v2 2/2] nvme: Add abrupt shutdown support shiva.linuxworks 2021-07-26 13:22 ` shiva.linuxworks 2021-07-26 16:07 ` kernel test robot 2021-07-26 16:07 ` kernel test robot 2021-07-26 16:07 ` kernel test robot 2021-07-26 16:43 ` kernel test robot 2021-07-26 16:43 ` kernel test robot 2021-07-26 16:43 ` kernel test robot 2021-07-26 15:24 ` [PATCH v2 0/2] Abrupt Shutdown for NVMe SSD Keith Busch 2021-07-26 15:24 ` Keith Busch 2021-07-29 10:37 ` [EXT] " Shivamurthy Shastri (sshivamurthy) 2021-07-29 10:37 ` Shivamurthy Shastri (sshivamurthy)
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