diff options
author | Keith Busch <keith.busch@intel.com> | 2015-10-22 23:45:06 +0200 |
---|---|---|
committer | Jens Axboe <axboe@fb.com> | 2015-12-22 17:38:33 +0100 |
commit | 540c801c65eb58e05e0ca38b6fd644a83d7e2b33 (patch) | |
tree | 075d454c67f120adcc150464fad48ab3bfa9f430 /drivers/nvme/host/pci.c | |
parent | nvme: switch abort_limit to an atomic_t (diff) | |
download | linux-540c801c65eb58e05e0ca38b6fd644a83d7e2b33.tar.xz linux-540c801c65eb58e05e0ca38b6fd644a83d7e2b33.zip |
NVMe: Implement namespace list scanning
The NVMe 1.1 specification provides an identify mode to return a
list of active namespaces. This is more efficient to discover which
namespace identifiers are active on a controller, providing potentially
significant improvement in scan time for controllers with sparesly
populated namespaces.
Signed-off-by: Keith Busch <keith.busch@intel.com>
[hch: add quirk for the broken Qemu Identify implementation. To be relaxed
later]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to '')
-rw-r--r-- | drivers/nvme/host/pci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 1ad7f18d48e2..fac1de847753 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2425,6 +2425,8 @@ static const struct pci_error_handlers nvme_err_handler = { static const struct pci_device_id nvme_id_table[] = { { PCI_VDEVICE(INTEL, 0x0953), .driver_data = NVME_QUIRK_STRIPE_SIZE, }, + { PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */ + .driver_data = NVME_QUIRK_IDENTIFY_CNS, }, { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) }, { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001) }, { 0, } |