common/octeontx2: add polling based response mbox message

[dpdk.git] / drivers / common / octeontx2 / otx2_dev.c

diff --git a/drivers/common/octeontx2/otx2_dev.c b/drivers/common/octeontx2/otx2_dev.c
index 0fc799e..d61c712 100644 (file)
--- a/drivers/common/octeontx2/otx2_dev.c
+++ b/drivers/common/octeontx2/otx2_dev.c
@@ -577,17 +577,16 @@ otx2_pf_vf_mbox_irq(void *param)
 
        intr = otx2_read64(dev->bar2 + RVU_VF_INT);
        if (intr == 0)
-               return;
+               otx2_base_dbg("Proceeding to check mbox UP messages if any");
 
        otx2_write64(intr, dev->bar2 + RVU_VF_INT);
        otx2_base_dbg("Irq 0x%" PRIx64 "(pf:%d,vf:%d)", intr, dev->pf, dev->vf);
-       if (intr) {
-               /* First process all configuration messages */
-               otx2_process_msgs(dev, dev->mbox);
 
-               /* Process Uplink messages */
-               otx2_process_msgs_up(dev, &dev->mbox_up);
-       }
+       /* First process all configuration messages */
+       otx2_process_msgs(dev, dev->mbox);
+
+       /* Process Uplink messages */
+       otx2_process_msgs_up(dev, &dev->mbox_up);
 }
 
 static void
@@ -598,18 +597,16 @@ otx2_af_pf_mbox_irq(void *param)
 
        intr = otx2_read64(dev->bar2 + RVU_PF_INT);
        if (intr == 0)
-               return;
+               otx2_base_dbg("Proceeding to check mbox UP messages if any");
 
        otx2_write64(intr, dev->bar2 + RVU_PF_INT);
-
        otx2_base_dbg("Irq 0x%" PRIx64 "(pf:%d,vf:%d)", intr, dev->pf, dev->vf);
-       if (intr) {
-               /* First process all configuration messages */
-               otx2_process_msgs(dev, dev->mbox);
 
-               /* Process Uplink messages */
-               otx2_process_msgs_up(dev, &dev->mbox_up);
-       }
+       /* First process all configuration messages */
+       otx2_process_msgs(dev, dev->mbox);
+
+       /* Process Uplink messages */
+       otx2_process_msgs_up(dev, &dev->mbox_up);
 }
 
 static int
@@ -900,6 +897,7 @@ otx2_dev_priv_init(struct rte_pci_device *pci_dev, void *otx2_dev)
 {
        int up_direction = MBOX_DIR_PFAF_UP;
        int rc, direction = MBOX_DIR_PFAF;
+       uint64_t intr_offset = RVU_PF_INT;
        struct otx2_dev *dev = otx2_dev;
        uintptr_t bar2, bar4;
        uint64_t bar4_addr;
@@ -924,15 +922,18 @@ otx2_dev_priv_init(struct rte_pci_device *pci_dev, void *otx2_dev)
        if (otx2_dev_is_vf(dev)) {
                direction = MBOX_DIR_VFPF;
                up_direction = MBOX_DIR_VFPF_UP;
+               intr_offset = RVU_VF_INT;
        }
 
        /* Initialize the local mbox */
-       rc = otx2_mbox_init(&dev->mbox_local, bar4, bar2, direction, 1);
+       rc = otx2_mbox_init(&dev->mbox_local, bar4, bar2, direction, 1,
+                           intr_offset);
        if (rc)
                goto error;
        dev->mbox = &dev->mbox_local;
 
-       rc = otx2_mbox_init(&dev->mbox_up, bar4, bar2, up_direction, 1);
+       rc = otx2_mbox_init(&dev->mbox_up, bar4, bar2, up_direction, 1,
+                           intr_offset);
        if (rc)
                goto error;
 
@@ -967,13 +968,15 @@ otx2_dev_priv_init(struct rte_pci_device *pci_dev, void *otx2_dev)
                }
                /* Init mbox object */
                rc = otx2_mbox_init(&dev->mbox_vfpf, (uintptr_t)hwbase,
-                                   bar2, MBOX_DIR_PFVF, pci_dev->max_vfs);
+                                   bar2, MBOX_DIR_PFVF, pci_dev->max_vfs,
+                                   intr_offset);
                if (rc)
                        goto iounmap;
 
                /* PF -> VF UP messages */
                rc = otx2_mbox_init(&dev->mbox_vfpf_up, (uintptr_t)hwbase,
-                                   bar2, MBOX_DIR_PFVF_UP, pci_dev->max_vfs);
+                                   bar2, MBOX_DIR_PFVF_UP, pci_dev->max_vfs,
+                                   intr_offset);
                if (rc)
                        goto mbox_fini;
        }