nvme-pci: Add .get_address ctrl callback (97c12223) · Commits · 戴 / test

The nvme-fabrics exports the controller address to sysfs, and we'd like to have parity with this feature for PCIe. This patch provides the appropiate callback and returns the controller address as the pci domain:bus:device.function. Signed-off-by:

Keith Busch <keith.busch@intel.com> Reviewed-by:

Sagi Grimberg <sagi@grimberg.me> Signed-off-by:

Jens Axboe <axboe@kernel.dk>

drivers/nvme/host/pci.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -2414,6 +2414,13 @@ static int nvme_pci_reg_read64(struct nvme_ctrl ctrl, u32 off, u64 val)
		return 0;
		}

		static int nvme_pci_get_address(struct nvme_ctrl ctrl, char buf, int size)
		{
		struct pci_dev *pdev = to_pci_dev(to_nvme_dev(ctrl)->dev);

		return snprintf(buf, size, "%s", dev_name(&pdev->dev));
		}

		static const struct nvme_ctrl_ops nvme_pci_ctrl_ops = {
		.name = "pcie",
		.module = THIS_MODULE,
		@@ -2423,6 +2430,7 @@ static const struct nvme_ctrl_ops nvme_pci_ctrl_ops = {
		.reg_read64 = nvme_pci_reg_read64,
		.free_ctrl = nvme_pci_free_ctrl,
		.submit_async_event = nvme_pci_submit_async_event,
		.get_address = nvme_pci_get_address,
		};

		static int nvme_dev_map(struct nvme_dev *dev)

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