bnxt_en: Share the bar0 address with the RoCE driver

Add a parameter in the bnxt_en_dev structure to share the bar0 address
with RoCE driver.

Link: https://lore.kernel.org/r/1689742977-9128-3-git-send-email-selvin.xavier@broadcom.com
CC: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c

@@ -345,7 +345,7 @@ static void bnxt_set_edev_info(struct bnxt_en_dev *edev, struct bnxt *bp)
 	edev->hw_ring_stats_size = bp->hw_ring_stats_size;
 	edev->pf_port_id = bp->pf.port_id;
 	edev->en_state = bp->state;
-
+	edev->bar0 = bp->bar0;
 	edev->ulp_tbl->msix_requested = bnxt_get_ulp_msix_num(bp);
 }
 

drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h

@@ -81,6 +81,7 @@ struct bnxt_en_dev {
 							 * mode only. Will be
 							 * updated in resume.
 							 */
+	void __iomem                    *bar0;
 };
 
 static inline bool bnxt_ulp_registered(struct bnxt_en_dev *edev)