On 6/24/2019 5:57 PM, Alan Mikhak wrote:
Modify nvme_alloc_sq_cmds() to call pci_free_p2pmem()
to free the memory it allocated using pci_alloc_p2pmem()
in case pci_p2pmem_virt_to_bus() returns null.
Make sure not to call pci_free_p2pmem() if pci_alloc_p2pmem()
returned null which can happen i
On 5/7/2019 10:58 AM, Akinobu Mita wrote:
+
+static int nvme_get_telemetry_log_blocks(struct nvme_ctrl *ctrl, void *buf,
+size_t bytes, loff_t offset)
+{
+ const size_t chunk_size = ctrl->max_hw_sectors * ctrl->page_size;
Just curious if chunk_si
On 5/7/2019 10:58 AM, Akinobu Mita wrote:
Copy telemetry log page definisions from nvme-cli.
Cc: Johannes Berg
Cc: Keith Busch
Cc: Jens Axboe
Cc: Christoph Hellwig
Cc: Sagi Grimberg
Cc: Minwoo Im
Signed-off-by: Akinobu Mita
---
* v2
- New patch in this version.
include/linux/nvme.h
On 5/7/2019 10:58 AM, Akinobu Mita wrote:
This enables to capture snapshot of controller information via device
coredump machanism.
s/machanism/mechanism/
The nvme device coredump creates the following coredump files.
- regs: NVMe controller registers (00h to 4Fh)
- sq: Submission queue
On 5/7/2019 10:58 AM, Akinobu Mita wrote:
This enables to capture snapshot of controller information via device
coredump machanism, and it helps diagnose and debug issues.
s/machanism/mechanism/
The nvme device coredump is triggered when command timeout occurs, and
creates the following co
On 5/7/2019 10:58 AM, Akinobu Mita wrote:
Copy telemetry log page definisions from nvme-cli.
Cc: Johannes Berg
Cc: Keith Busch
Cc: Jens Axboe
Cc: Christoph Hellwig
Cc: Sagi Grimberg
Cc: Minwoo Im
Signed-off-by: Akinobu Mita
---
* v2
- New patch in this version.
include/linux/nvme.h
On 5/7/2019 10:58 AM, Akinobu Mita wrote:
@@ -292,6 +309,12 @@ void dev_coredumpm(struct device *dev, struct module
*owner,
if (device_add(&devcd->devcd_dev))
goto put_device;
+ for (i = 0; i < devcd->num_files; i++) {
+ if (device_create_bin_file(&de
On 5/2/2019 5:47 AM, Maxim Levitsky wrote:
Note that currently the number of hw queues reserved for mdev,
has to be pre determined on module load.
(I used to allocate the queues dynamicaly on demand, but
recent changes to allocate polled/read queues made
this somewhat difficult, so I dropped
On 3/29/2019 7:30 PM, Sasha Levin wrote:
From: Keith Busch
[ Upstream commit 9fe5c59ff6a1e5e26a39b75489a1420e7eaaf0b1 ]
The nvme pci driver had been adding its CMB resource to the P2P DMA
subsystem everytime on on a controller reset. This results in the
following warning:
On 3/29/2019 7:28 PM, Sasha Levin wrote:
From: Keith Busch
[ Upstream commit 9fe5c59ff6a1e5e26a39b75489a1420e7eaaf0b1 ]
The nvme pci driver had been adding its CMB resource to the P2P DMA
subsystem everytime on on a controller reset. This results in the
following warning:
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