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| author | Keith Busch <keith.busch@intel.com> | 2014-05-02 10:40:43 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-05-27 11:12:29 -0600 |
| commit | f0d54a541751af2c6a16d0c081788cc2aef922a5 (patch) | |
| tree | c9c739c284d31169f2823c60f13d4ad74a7fcaca /drivers/block | |
| parent | 3ebe7f9f7e4a4fd1f6461ecd01ff2961317a483a (diff) | |
| download | blackbird-op-linux-f0d54a541751af2c6a16d0c081788cc2aef922a5.tar.gz blackbird-op-linux-f0d54a541751af2c6a16d0c081788cc2aef922a5.zip | |
NVMe: Implement PCIe reset notification callback
Quiesce and shutdown the device prior to reset, then restart the device and
resume IO after.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/nvme-core.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index 7c64fa756cce..a842c71dcc21 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -2775,6 +2775,16 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id) return result; } +static void nvme_reset_notify(struct pci_dev *pdev, bool prepare) +{ + struct nvme_dev *dev = pci_get_drvdata(pdev); + + if (prepare) + nvme_dev_shutdown(dev); + else + nvme_dev_resume(dev); +} + static void nvme_shutdown(struct pci_dev *pdev) { struct nvme_dev *dev = pci_get_drvdata(pdev); @@ -2839,6 +2849,7 @@ static const struct pci_error_handlers nvme_err_handler = { .link_reset = nvme_link_reset, .slot_reset = nvme_slot_reset, .resume = nvme_error_resume, + .reset_notify = nvme_reset_notify, }; /* Move to pci_ids.h later */ |
