Adding support for device hotplugging - attach and detach from
secondary
Signed-off-by: Harman Kalra <hka...@marvell.com>
---
drivers/net/thunderx/base/nicvf_mbox.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/net/thunderx/base/nicvf_mbox.c
b/drivers/net/thunderx/base/nicvf_mbox.c
index 352b85d9e2..5993eec4e6 100644
--- a/drivers/net/thunderx/base/nicvf_mbox.c
+++ b/drivers/net/thunderx/base/nicvf_mbox.c
@@ -85,6 +85,17 @@ nicvf_mbox_send_msg_to_pf(struct nicvf *nic, struct nic_mbx
*mbx)
nicvf_smp_wmb();
nicvf_mbox_send_msg_to_pf_raw(nic, mbx);
+
+ /* Handling case if mbox is called inside interrupt context,
+ * Eg if hotplug attach/detach request is initiated from
+ * secondary and primary handles the request in interrupt
+ * context as part of multprocess framework.
+ */
+ if (rte_thread_is_intr()) {
+ nicvf_delay_us(NICVF_MBOX_PF_RESPONSE_DELAY_US);
+ nicvf_reg_poll_interrupts(nic);
+ }
+
/* Give some time to get PF response */
nicvf_delay_us(NICVF_MBOX_PF_RESPONSE_DELAY_US);
timeout = NIC_MBOX_MSG_TIMEOUT;
@@ -100,10 +111,10 @@ nicvf_mbox_send_msg_to_pf(struct nicvf *nic, struct
nic_mbx *mbx)
nicvf_delay_us(NICVF_MBOX_PF_RESPONSE_DELAY_US);
timeout -= sleep;
}
- nicvf_log_error("PF didn't ack to msg 0x%02x %s VF%d (%d/%d)",
- mbx->msg.msg, nicvf_mbox_msg_str(mbx->msg.msg),
- nic->vf_id, i, retry);
}
+ nicvf_log_error("PF didn't ack to msg 0x%02x %s VF%d (%d/%d)",
+ mbx->msg.msg, nicvf_mbox_msg_str(mbx->msg.msg),
+ nic->vf_id, i, retry);
return -EBUSY;
}
--
2.18.0
