[PATCH] dma/idxd: add reset in the init routine

[Frank Du]

Fix for windows, no one reset the dev to a clear status. In Linux,
kernel driver will reset during the prob.

Signed-off-by: Frank Du <frank.du at intel.com>
---
 drivers/dma/idxd/idxd_pci.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/dma/idxd/idxd_pci.c b/drivers/dma/idxd/idxd_pci.c
index 3696c7f452..a78889a7ef 100644
--- a/drivers/dma/idxd/idxd_pci.c
+++ b/drivers/dma/idxd/idxd_pci.c
@@ -196,6 +196,14 @@ init_pci_device(struct rte_pci_device *dev, struct idxd_dmadev *idxd,
 	pci->portals = dev->mem_resource[2].addr;
 	pci->wq_cfg_sz = (pci->regs->wqcap >> 24) & 0x0F;
 
+	/* reset */
+	idxd->u.pci = pci;
+	err_code = idxd_pci_dev_command(idxd, idxd_reset_device);
+	if (err_code) {
+		IDXD_PMD_ERR("Error reset device: code %#x", err_code);
+		goto err;
+	}
+
 	/* sanity check device status */
 	if (pci->regs->gensts & GENSTS_DEV_STATE_MASK) {
 		/* need function-level-reset (FLR) or is enabled */
-- 
2.34.1