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nvme-pci: disable Write Zeroes on Phison E3C/E4C

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E3C/E4C SSDs do support the Write Zeroes command in theory, but have very
bad performance when using it.  As the firmware has been frozen for these
products we can not expect firmware improvements for it, so disable
Write Zeroes.

Signed-off-by: Tina Hsu <tina_hsu@phison.corp-partner.google.com>
[hch: update the commit message]
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Tina Hsu 2022-09-22 14:16:30 +08:00 committed by Christoph Hellwig
parent c292a337d0
commit d14c273132
1 changed files with 4 additions and 0 deletions
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4
drivers/nvme/host/pci.c
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@ -3475,6 +3475,10 @@ static const struct pci_device_id nvme_id_table[] = {
{ PCI_DEVICE(0x1987, 0x5016), /* Phison E16 */
.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN |
NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(0x1987, 0x5019), /* phison E19 */
.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
{ PCI_DEVICE(0x1987, 0x5021), /* Phison E21 */
.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
{ PCI_DEVICE(0x1b4b, 0x1092), /* Lexar 256 GB SSD */
.driver_data = NVME_QUIRK_NO_NS_DESC_LIST |
NVME_QUIRK_IGNORE_DEV_SUBNQN, },