ice: Implement iidc operations
Add implementations for supporting iidc operations for device operation
such as allocation of resources and event notifications.
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index e307317..9d4570b 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -2610,6 +2610,7 @@ static void ice_ena_misc_vector(struct ice_pf *pf)
PFINT_OICR_PCI_EXCEPTION_M |
PFINT_OICR_VFLR_M |
PFINT_OICR_HMC_ERR_M |
+ PFINT_OICR_PE_PUSH_M |
PFINT_OICR_PE_CRITERR_M);
wr32(hw, PFINT_OICR_ENA, val);
@@ -2680,8 +2681,6 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
/* If a reset cycle isn't already in progress, we set a bit in
* pf->state so that the service task can start a reset/rebuild.
- * We also make note of which reset happened so that peer
- * devices/drivers can be informed.
*/
if (!test_and_set_bit(ICE_RESET_OICR_RECV, pf->state)) {
if (reset == ICE_RESET_CORER)
@@ -2708,11 +2707,19 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
}
}
- if (oicr & PFINT_OICR_HMC_ERR_M) {
- ena_mask &= ~PFINT_OICR_HMC_ERR_M;
- dev_dbg(dev, "HMC Error interrupt - info 0x%x, data 0x%x\n",
- rd32(hw, PFHMC_ERRORINFO),
- rd32(hw, PFHMC_ERRORDATA));
+#define ICE_AUX_CRIT_ERR (PFINT_OICR_PE_CRITERR_M | PFINT_OICR_HMC_ERR_M | PFINT_OICR_PE_PUSH_M)
+ if (oicr & ICE_AUX_CRIT_ERR) {
+ struct iidc_event *event;
+
+ ena_mask &= ~ICE_AUX_CRIT_ERR;
+ event = kzalloc(sizeof(*event), GFP_KERNEL);
+ if (event) {
+ set_bit(IIDC_EVENT_CRIT_ERR, event->type);
+ /* report the entire OICR value to AUX driver */
+ event->reg = oicr;
+ ice_send_event_to_aux(pf, event);
+ kfree(event);
+ }
}
/* Report any remaining unexpected interrupts */
@@ -2722,8 +2729,7 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
/* If a critical error is pending there is no choice but to
* reset the device.
*/
- if (oicr & (PFINT_OICR_PE_CRITERR_M |
- PFINT_OICR_PCI_EXCEPTION_M |
+ if (oicr & (PFINT_OICR_PCI_EXCEPTION_M |
PFINT_OICR_ECC_ERR_M)) {
set_bit(ICE_PFR_REQ, pf->state);
ice_service_task_schedule(pf);
@@ -6318,7 +6324,9 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
+ struct iidc_event *event;
u8 count = 0;
+ int err = 0;
if (new_mtu == (int)netdev->mtu) {
netdev_warn(netdev, "MTU is already %u\n", netdev->mtu);
@@ -6351,27 +6359,38 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
return -EBUSY;
}
+ event = kzalloc(sizeof(*event), GFP_KERNEL);
+ if (!event)
+ return -ENOMEM;
+
+ set_bit(IIDC_EVENT_BEFORE_MTU_CHANGE, event->type);
+ ice_send_event_to_aux(pf, event);
+ clear_bit(IIDC_EVENT_BEFORE_MTU_CHANGE, event->type);
+
netdev->mtu = (unsigned int)new_mtu;
/* if VSI is up, bring it down and then back up */
if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
- int err;
-
err = ice_down(vsi);
if (err) {
netdev_err(netdev, "change MTU if_down err %d\n", err);
- return err;
+ goto event_after;
}
err = ice_up(vsi);
if (err) {
netdev_err(netdev, "change MTU if_up err %d\n", err);
- return err;
+ goto event_after;
}
}
netdev_dbg(netdev, "changed MTU to %d\n", new_mtu);
- return 0;
+event_after:
+ set_bit(IIDC_EVENT_AFTER_MTU_CHANGE, event->type);
+ ice_send_event_to_aux(pf, event);
+ kfree(event);
+
+ return err;
}
/**
