Commit 2966839d authored Dec 12, 2017 by Cunyin Chang Committed by Jim Harris Dec 19, 2017

nvme: return specific value of register when the device hot removed.



This patch set the controller as removed in pcie level when the register
return specific value (0xffffffff), we also return the real value to the
upper level (nvme bdev), which will help the upper level do the work of
hotplug.

Change-Id: Ifad45c760cccbce522506ffbf86495318a6b393b
Signed-off-by: Cunyin Chang <cunyin.chang@intel.com>
Reviewed-on: https://review.gerrithub.io/391327


Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>

parent d8022e13

lib/nvme/nvme_ctrlr.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1764,7 +1764,7 @@ union spdk_nvme_csts_register spdk_nvme_ctrlr_get_regs_csts(struct spdk_nvme_ctr
		union spdk_nvme_csts_register csts;

		if (nvme_ctrlr_get_csts(ctrlr, &csts)) {
		csts.raw = 0;
		csts.raw = 0xFFFFFFFFu;
		}
		return csts;
		}
		@@ -1779,7 +1779,7 @@ union spdk_nvme_vs_register spdk_nvme_ctrlr_get_regs_vs(struct spdk_nvme_ctrlr *
		union spdk_nvme_vs_register vs;

		if (nvme_ctrlr_get_vs(ctrlr, &vs)) {
		vs.raw = 0;
		vs.raw = 0xFFFFFFFFu;
		}
		return vs;
		}