Merge branch 'uverbs_dev_cleanups' into rdma.git for-next

For dependencies, branch based on rdma.git 'for-rc' of
https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/

Pull 'uverbs_dev_cleanups' from Leon Romanovsky:

====================
Reuse the char device code interfaces to simplify ib_uverbs_device
creation and destruction. As part of this series, we are sending fix to
cleanup path, which was discovered during internal review,

The fix definitely can go to -rc, but it means that this series will be
dependent on rdma-rc.
====================

* branch 'uverbs_dev_cleanups':
  RDMA/uverbs: Use device.groups to initialize device attributes
  RDMA/uverbs: Use cdev_device_add() instead of cdev_add()
  RDMA/core: Depend on device_add() to add device attributes
  RDMA/uverbs: Fix error cleanup path of ib_uverbs_add_one()

Resolved conflict in ib_device_unregister_sysfs()

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

1 files changed, 66 insertions, 49 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 5299caf55a7f..f1e80eed2fd6 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -901,7 +901,7 @@ static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type)
                 case ice_aqc_opc_get_link_status:
                         if (ice_handle_link_event(pf))
                                 dev_err(&pf->pdev->dev,
-                                        "Could not handle link event");
+                                        "Could not handle link event\n");
                         break;
                 default:
                         dev_dbg(&pf->pdev->dev,
@@ -917,13 +917,27 @@ static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type)
 }
 
 /**
+ * ice_ctrlq_pending - check if there is a difference between ntc and ntu
+ * @hw: pointer to hardware info
+ * @cq: control queue information
+ *
+ * returns true if there are pending messages in a queue, false if there aren't
+ */
+static bool ice_ctrlq_pending(struct ice_hw *hw, struct ice_ctl_q_info *cq)
+{
+        u16 ntu;
+
+        ntu = (u16)(rd32(hw, cq->rq.head) & cq->rq.head_mask);
+        return cq->rq.next_to_clean != ntu;
+}
+
+/**
  * ice_clean_adminq_subtask - clean the AdminQ rings
  * @pf: board private structure
  */
 static void ice_clean_adminq_subtask(struct ice_pf *pf)
 {
         struct ice_hw *hw = &pf->hw;
-        u32 val;
 
         if (!test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state))
                 return;
@@ -933,9 +947,13 @@ static void ice_clean_adminq_subtask(struct ice_pf *pf)
 
         clear_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state);
 
-        /* re-enable Admin queue interrupt causes */
-        val = rd32(hw, PFINT_FW_CTL);
-        wr32(hw, PFINT_FW_CTL, (val | PFINT_FW_CTL_CAUSE_ENA_M));
+        /* There might be a situation where new messages arrive to a control
+         * queue between processing the last message and clearing the
+         * EVENT_PENDING bit. So before exiting, check queue head again (using
+         * ice_ctrlq_pending) and process new messages if any.
+         */
+        if (ice_ctrlq_pending(hw, &hw->adminq))
+                __ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN);
 
         ice_flush(hw);
 }
@@ -1295,11 +1313,8 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
                 qcount = numq_tc;
         }
 
-        /* find higher power-of-2 of qcount */
-        pow = ilog2(qcount);
-
-        if (!is_power_of_2(qcount))
-                pow++;
+        /* find the (rounded up) power-of-2 of qcount */
+        pow = order_base_2(qcount);
 
         for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) {
                 if (!(vsi->tc_cfg.ena_tc & BIT(i))) {
@@ -1352,14 +1367,15 @@ static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt)
         ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE;
         /* Traffic from VSI can be sent to LAN */
         ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA;
-        /* Allow all packets untagged/tagged */
-        ctxt->info.port_vlan_flags = ((ICE_AQ_VSI_PVLAN_MODE_ALL &
-                                       ICE_AQ_VSI_PVLAN_MODE_M) >>
-                                      ICE_AQ_VSI_PVLAN_MODE_S);
-        /* Show VLAN/UP from packets in Rx descriptors */
-        ctxt->info.port_vlan_flags |= ((ICE_AQ_VSI_PVLAN_EMOD_STR_BOTH &
-                                        ICE_AQ_VSI_PVLAN_EMOD_M) >>
-                                       ICE_AQ_VSI_PVLAN_EMOD_S);
+
+        /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy
+         * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all
+         * packets untagged/tagged.
+         */
+        ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL &
+                                  ICE_AQ_VSI_VLAN_MODE_M) >>
+                                 ICE_AQ_VSI_VLAN_MODE_S);
+
         /* Have 1:1 UP mapping for both ingress/egress tables */
         table |= ICE_UP_TABLE_TRANSLATE(0, 0);
         table |= ICE_UP_TABLE_TRANSLATE(1, 1);
@@ -1688,15 +1704,12 @@ static void ice_ena_misc_vector(struct ice_pf *pf)
         wr32(hw, PFINT_OICR_ENA, 0);    /* disable all */
         rd32(hw, PFINT_OICR);           /* read to clear */
 
-        val = (PFINT_OICR_HLP_RDY_M |
-               PFINT_OICR_CPM_RDY_M |
-               PFINT_OICR_ECC_ERR_M |
+        val = (PFINT_OICR_ECC_ERR_M |
                PFINT_OICR_MAL_DETECT_M |
                PFINT_OICR_GRST_M |
                PFINT_OICR_PCI_EXCEPTION_M |
-               PFINT_OICR_GPIO_M |
-               PFINT_OICR_STORM_DETECT_M |
-               PFINT_OICR_HMC_ERR_M);
+               PFINT_OICR_HMC_ERR_M |
+               PFINT_OICR_PE_CRITERR_M);
 
         wr32(hw, PFINT_OICR_ENA, val);
 
@@ -2058,15 +2071,13 @@ static int ice_req_irq_msix_misc(struct ice_pf *pf)
 skip_req_irq:
         ice_ena_misc_vector(pf);
 
-        val = (pf->oicr_idx & PFINT_OICR_CTL_MSIX_INDX_M) |
-              (ICE_RX_ITR & PFINT_OICR_CTL_ITR_INDX_M) |
-              PFINT_OICR_CTL_CAUSE_ENA_M;
+        val = ((pf->oicr_idx & PFINT_OICR_CTL_MSIX_INDX_M) |
+               PFINT_OICR_CTL_CAUSE_ENA_M);
         wr32(hw, PFINT_OICR_CTL, val);
 
         /* This enables Admin queue Interrupt causes */
-        val = (pf->oicr_idx & PFINT_FW_CTL_MSIX_INDX_M) |
-              (ICE_RX_ITR & PFINT_FW_CTL_ITR_INDX_M) |
-              PFINT_FW_CTL_CAUSE_ENA_M;
+        val = ((pf->oicr_idx & PFINT_FW_CTL_MSIX_INDX_M) |
+               PFINT_FW_CTL_CAUSE_ENA_M);
         wr32(hw, PFINT_FW_CTL, val);
 
         itr_gran = hw->itr_gran_200;
@@ -3246,8 +3257,10 @@ static void ice_clear_interrupt_scheme(struct ice_pf *pf)
         if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags))
                 ice_dis_msix(pf);
 
-        devm_kfree(&pf->pdev->dev, pf->irq_tracker);
-        pf->irq_tracker = NULL;
+        if (pf->irq_tracker) {
+                devm_kfree(&pf->pdev->dev, pf->irq_tracker);
+                pf->irq_tracker = NULL;
+        }
 }
 
 /**
@@ -3271,7 +3284,7 @@ static int ice_probe(struct pci_dev *pdev,
 
         err = pcim_iomap_regions(pdev, BIT(ICE_BAR0), pci_name(pdev));
         if (err) {
-                dev_err(&pdev->dev, "I/O map error %d\n", err);
+                dev_err(&pdev->dev, "BAR0 I/O map error %d\n", err);
                 return err;
         }
 
@@ -3720,10 +3733,10 @@ static int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi)
         enum ice_status status;
 
         /* Here we are configuring the VSI to let the driver add VLAN tags by
-         * setting port_vlan_flags to ICE_AQ_VSI_PVLAN_MODE_ALL. The actual VLAN
-         * tag insertion happens in the Tx hot path, in ice_tx_map.
+         * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag
+         * insertion happens in the Tx hot path, in ice_tx_map.
          */
-        ctxt.info.port_vlan_flags = ICE_AQ_VSI_PVLAN_MODE_ALL;
+        ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL;
 
         ctxt.info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
         ctxt.vsi_num = vsi->vsi_num;
@@ -3735,7 +3748,7 @@ static int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi)
                 return -EIO;
         }
 
-        vsi->info.port_vlan_flags = ctxt.info.port_vlan_flags;
+        vsi->info.vlan_flags = ctxt.info.vlan_flags;
         return 0;
 }
 
@@ -3757,12 +3770,15 @@ static int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena)
          */
         if (ena) {
                 /* Strip VLAN tag from Rx packet and put it in the desc */
-                ctxt.info.port_vlan_flags = ICE_AQ_VSI_PVLAN_EMOD_STR_BOTH;
+                ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH;
         } else {
                 /* Disable stripping. Leave tag in packet */
-                ctxt.info.port_vlan_flags = ICE_AQ_VSI_PVLAN_EMOD_NOTHING;
+                ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING;
         }
 
+        /* Allow all packets untagged/tagged */
+        ctxt.info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL;
+
         ctxt.info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
         ctxt.vsi_num = vsi->vsi_num;
 
@@ -3773,7 +3789,7 @@ static int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena)
                 return -EIO;
         }
 
-        vsi->info.port_vlan_flags = ctxt.info.port_vlan_flags;
+        vsi->info.vlan_flags = ctxt.info.vlan_flags;
         return 0;
 }
 
@@ -3986,7 +4002,7 @@ static int ice_setup_rx_ctx(struct ice_ring *ring)
         /* clear the context structure first */
         memset(&rlan_ctx, 0, sizeof(rlan_ctx));
 
-        rlan_ctx.base = ring->dma >> 7;
+        rlan_ctx.base = ring->dma >> ICE_RLAN_BASE_S;
 
         rlan_ctx.qlen = ring->count;
 
@@ -4098,11 +4114,12 @@ static int ice_vsi_cfg(struct ice_vsi *vsi)
 {
         int err;
 
-        ice_set_rx_mode(vsi->netdev);
-
-        err = ice_restore_vlan(vsi);
-        if (err)
-                return err;
+        if (vsi->netdev) {
+                ice_set_rx_mode(vsi->netdev);
+                err = ice_restore_vlan(vsi);
+                if (err)
+                        return err;
+        }
 
         err = ice_vsi_cfg_txqs(vsi);
         if (!err)
@@ -4868,7 +4885,7 @@ int ice_down(struct ice_vsi *vsi)
  */
 static int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
 {
-        int i, err;
+        int i, err = 0;
 
         if (!vsi->num_txq) {
                 dev_err(&vsi->back->pdev->dev, "VSI %d has 0 Tx queues\n",
@@ -4893,7 +4910,7 @@ static int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
  */
 static int ice_vsi_setup_rx_rings(struct ice_vsi *vsi)
 {
-        int i, err;
+        int i, err = 0;
 
         if (!vsi->num_rxq) {
                 dev_err(&vsi->back->pdev->dev, "VSI %d has 0 Rx queues\n",
@@ -5235,7 +5252,7 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
         u8 count = 0;
 
         if (new_mtu == netdev->mtu) {
-                netdev_warn(netdev, "mtu is already %d\n", netdev->mtu);
+                netdev_warn(netdev, "mtu is already %u\n", netdev->mtu);
                 return 0;
         }