Commit af6d2802 authored by paul luse's avatar paul luse Committed by Jim Harris
Browse files

idxd: disable the idxd device on shutdown 



Required by spec.

Signed-off-by: default avatarpaul luse <paul.e.luse@intel.com>
Change-Id: Ib13ca2d7ab7045a87ddc483dc1f70e649b3b9294
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10982


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJohn Kariuki <John.K.Kariuki@intel.com>
Reviewed-by: default avatarMonica Kenguva <monica.kenguva@intel.com>
parent c501d2b3

lib/idxd/idxd_user.c

+14 −0
Original line number Diff line number Diff line
@@ -180,6 +180,18 @@ idxd_map_pci_bars(struct spdk_idxd_device *idxd) 
	return 0;

}



static void

idxd_disable_dev(struct spdk_idxd_device *idxd)

{

	int rc;



	_idxd_write_4(idxd, IDXD_CMD_OFFSET, IDXD_DISABLE_DEV << IDXD_CMD_SHIFT);

	rc = idxd_wait_cmd(idxd, IDXD_REGISTER_TIMEOUT_US);

	if (rc < 0) {

		SPDK_ERRLOG("Error disabling device %u\n", rc);

	}

}



static int

idxd_reset_dev(struct spdk_idxd_device *idxd)

{
@@ -427,6 +439,8 @@ user_idxd_device_destruct(struct spdk_idxd_device *idxd) 
{

	struct spdk_user_idxd_device *user_idxd = __user_idxd(idxd);



	idxd_disable_dev(idxd);



	idxd_unmap_pci_bar(idxd, IDXD_MMIO_BAR);

	idxd_unmap_pci_bar(idxd, IDXD_WQ_BAR);

	free(idxd->groups);