RDMA/mana_ib: Create interrupts on EQs

Use the newly introduced function to allocate interrupt context for EQs.
Those interrupt contexts may be shared with Ethernet EQs.

Author: longlimsft

drivers/infiniband/hw/mana/main.c

@@ -738,6 +738,7 @@ int mana_ib_create_eqs(struct mana_ib_dev *mdev)
 {
 	struct gdma_context *gc = mdev_to_gc(mdev);
 	struct gdma_queue_spec spec = {};
+	struct gdma_irq_context *gic;
 	int err, i;
 
 	spec.type = GDMA_EQ;
@@ -748,6 +749,8 @@ int mana_ib_create_eqs(struct mana_ib_dev *mdev)
 	spec.eq.log2_throttle_limit = LOG2_EQ_THROTTLE;
 	spec.eq.msix_index = 0;
 
+	gic = gdma_get_gic(gc, false, 0, 0, &spec.eq.msix_index);
+
 	err = mana_gd_create_mana_eq(&gc->mana_ib, &spec, &mdev->fatal_err_eq);
 	if (err)
 		return err;
@@ -761,6 +764,9 @@ int mana_ib_create_eqs(struct mana_ib_dev *mdev)
 	spec.eq.callback = NULL;
 	for (i = 0; i < mdev->ib_dev.num_comp_vectors; i++) {
 		spec.eq.msix_index = (i + 1) % gc->num_msix_usable;
+
+		gic = gdma_get_gic(gc, false, 0, 0, &spec.eq.msix_index);
+
 		err = mana_gd_create_mana_eq(mdev->gdma_dev, &spec, &mdev->eqs[i]);
 		if (err)
 			goto destroy_eqs;
@@ -780,12 +786,16 @@ int mana_ib_create_eqs(struct mana_ib_dev *mdev)
 void mana_ib_destroy_eqs(struct mana_ib_dev *mdev)
 {
 	struct gdma_context *gc = mdev_to_gc(mdev);
-	int i;
+	int i, msi;
 
 	mana_gd_destroy_queue(gc, mdev->fatal_err_eq);
+	gdma_put_gic(gc, false, 0);
 
-	for (i = 0; i < mdev->ib_dev.num_comp_vectors; i++)
+	for (i = 0; i < mdev->ib_dev.num_comp_vectors; i++) {
 		mana_gd_destroy_queue(gc, mdev->eqs[i]);
+		msi = (i + 1) % gc->num_msix_usable;
+		gdma_put_gic(gc, false, msi);
+	}
 
 	kfree(mdev->eqs);
 }