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Date: Fri, 22 Jan 2021 17:48:08 -0600
From: Shiraz Saleem <shiraz.saleem@...el.com>
To: dledford@...hat.com, jgg@...dia.com, kuba@...nel.org,
davem@...emloft.net
Cc: linux-rdma@...r.kernel.org, gregkh@...uxfoundation.org,
netdev@...r.kernel.org, david.m.ertman@...el.com,
anthony.l.nguyen@...el.com
Subject: [PATCH 03/22] ice: Implement iidc operations
From: Dave Ertman <david.m.ertman@...el.com>
Add implementations for supporting iidc operations which the peer calls
for device operation such as registration, allocation of queues, and event
notifications.
Signed-off-by: Dave Ertman <david.m.ertman@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
drivers/net/ethernet/intel/ice/ice.h | 1 +
drivers/net/ethernet/intel/ice/ice_adminq_cmd.h | 32 +
drivers/net/ethernet/intel/ice/ice_common.c | 200 +++++
drivers/net/ethernet/intel/ice/ice_common.h | 9 +
drivers/net/ethernet/intel/ice/ice_dcb_lib.c | 27 +
drivers/net/ethernet/intel/ice/ice_hw_autogen.h | 3 +-
drivers/net/ethernet/intel/ice/ice_idc.c | 923 +++++++++++++++++++++++
drivers/net/ethernet/intel/ice/ice_idc_int.h | 50 ++
drivers/net/ethernet/intel/ice/ice_lib.c | 16 +
drivers/net/ethernet/intel/ice/ice_main.c | 63 +-
drivers/net/ethernet/intel/ice/ice_sched.c | 69 +-
drivers/net/ethernet/intel/ice/ice_switch.c | 27 +
drivers/net/ethernet/intel/ice/ice_switch.h | 4 +
drivers/net/ethernet/intel/ice/ice_type.h | 3 +
drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c | 34 +
15 files changed, 1441 insertions(+), 20 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 22c2ed1..b79ffdc 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -322,6 +322,7 @@ struct ice_vsi {
u16 req_rxq; /* User requested Rx queues */
u16 num_rx_desc;
u16 num_tx_desc;
+ u16 qset_handle[ICE_MAX_TRAFFIC_CLASS];
struct ice_tc_cfg tc_cfg;
struct bpf_prog *xdp_prog;
struct ice_ring **xdp_rings; /* XDP ring array */
diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
index b7c1637..b78c9ea 100644
--- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
+++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
@@ -1689,6 +1689,36 @@ struct ice_aqc_dis_txq_item {
__le16 q_id[];
} __packed;
+/* Add Tx RDMA Queue Set (indirect 0x0C33) */
+struct ice_aqc_add_rdma_qset {
+ u8 num_qset_grps;
+ u8 reserved[7];
+ __le32 addr_high;
+ __le32 addr_low;
+};
+
+/* This is the descriptor of each qset entry for the Add Tx RDMA Queue Set
+ * command (0x0C33). Only used within struct ice_aqc_add_rdma_qset.
+ */
+struct ice_aqc_add_tx_rdma_qset_entry {
+ __le16 tx_qset_id;
+ u8 rsvd[2];
+ __le32 qset_teid;
+ struct ice_aqc_txsched_elem info;
+};
+
+/* The format of the command buffer for Add Tx RDMA Queue Set(0x0C33)
+ * is an array of the following structs. Please note that the length of
+ * each struct ice_aqc_add_rdma_qset is variable due to the variable
+ * number of queues in each group!
+ */
+struct ice_aqc_add_rdma_qset_data {
+ __le32 parent_teid;
+ __le16 num_qsets;
+ u8 rsvd[2];
+ struct ice_aqc_add_tx_rdma_qset_entry rdma_qsets[];
+};
+
/* Configure Firmware Logging Command (indirect 0xFF09)
* Logging Information Read Response (indirect 0xFF10)
* Note: The 0xFF10 command has no input parameters.
@@ -1883,6 +1913,7 @@ struct ice_aq_desc {
struct ice_aqc_get_set_rss_key get_set_rss_key;
struct ice_aqc_add_txqs add_txqs;
struct ice_aqc_dis_txqs dis_txqs;
+ struct ice_aqc_add_rdma_qset add_rdma_qset;
struct ice_aqc_add_get_update_free_vsi vsi_cmd;
struct ice_aqc_add_update_free_vsi_resp add_update_free_vsi_res;
struct ice_aqc_fw_logging fw_logging;
@@ -2029,6 +2060,7 @@ enum ice_adminq_opc {
/* Tx queue handling commands/events */
ice_aqc_opc_add_txqs = 0x0C30,
ice_aqc_opc_dis_txqs = 0x0C31,
+ ice_aqc_opc_add_rdma_qset = 0x0C33,
/* package commands */
ice_aqc_opc_download_pkg = 0x0C40,
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index ff68d25..e1c5aabc 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -3576,6 +3576,54 @@ enum ice_status
return status;
}
+/**
+ * ice_aq_add_rdma_qsets
+ * @hw: pointer to the hardware structure
+ * @num_qset_grps: Number of RDMA Qset groups
+ * @qset_list: list of qset groups to be added
+ * @buf_size: size of buffer for indirect command
+ * @cd: pointer to command details structure or NULL
+ *
+ * Add Tx RDMA Qsets (0x0C33)
+ */
+static enum ice_status
+ice_aq_add_rdma_qsets(struct ice_hw *hw, u8 num_qset_grps,
+ struct ice_aqc_add_rdma_qset_data *qset_list,
+ u16 buf_size, struct ice_sq_cd *cd)
+{
+ struct ice_aqc_add_rdma_qset_data *list;
+ struct ice_aqc_add_rdma_qset *cmd;
+ struct ice_aq_desc desc;
+ u16 i, sum_size = 0;
+
+ cmd = &desc.params.add_rdma_qset;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_rdma_qset);
+
+ if (!qset_list)
+ return ICE_ERR_PARAM;
+
+ if (num_qset_grps > ICE_LAN_TXQ_MAX_QGRPS)
+ return ICE_ERR_PARAM;
+
+ for (i = 0, list = qset_list; i < num_qset_grps; i++) {
+ u16 num_qsets = le16_to_cpu(list->num_qsets);
+
+ sum_size += struct_size(list, rdma_qsets, num_qsets);
+ list = (struct ice_aqc_add_rdma_qset_data *)(list->rdma_qsets +
+ num_qsets);
+ }
+
+ if (buf_size != sum_size)
+ return ICE_ERR_PARAM;
+
+ desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
+
+ cmd->num_qset_grps = num_qset_grps;
+
+ return ice_aq_send_cmd(hw, &desc, qset_list, buf_size, cd);
+}
+
/* End of FW Admin Queue command wrappers */
/**
@@ -4074,6 +4122,158 @@ enum ice_status
}
/**
+ * ice_cfg_vsi_rdma - configure the VSI RDMA queues
+ * @pi: port information structure
+ * @vsi_handle: software VSI handle
+ * @tc_bitmap: TC bitmap
+ * @max_rdmaqs: max RDMA queues array per TC
+ *
+ * This function adds/updates the VSI RDMA queues per TC.
+ */
+enum ice_status
+ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
+ u16 *max_rdmaqs)
+{
+ return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_rdmaqs,
+ ICE_SCHED_NODE_OWNER_RDMA);
+}
+
+/**
+ * ice_ena_vsi_rdma_qset
+ * @pi: port information structure
+ * @vsi_handle: software VSI handle
+ * @tc: TC number
+ * @rdma_qset: pointer to RDMA qset
+ * @num_qsets: number of RDMA qsets
+ * @qset_teid: pointer to qset node teids
+ *
+ * This function adds RDMA qset
+ */
+enum ice_status
+ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
+ u16 *rdma_qset, u16 num_qsets, u32 *qset_teid)
+{
+ struct ice_aqc_txsched_elem_data node = { 0 };
+ struct ice_aqc_add_rdma_qset_data *buf;
+ struct ice_sched_node *parent;
+ enum ice_status status;
+ struct ice_hw *hw;
+ u16 i, buf_size;
+
+ if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
+ return ICE_ERR_CFG;
+ hw = pi->hw;
+
+ if (!ice_is_vsi_valid(hw, vsi_handle))
+ return ICE_ERR_PARAM;
+
+ buf_size = struct_size(buf, rdma_qsets, num_qsets);
+ buf = kzalloc(buf_size, GFP_KERNEL);
+ if (!buf)
+ return ICE_ERR_NO_MEMORY;
+ mutex_lock(&pi->sched_lock);
+
+ parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
+ ICE_SCHED_NODE_OWNER_RDMA);
+ if (!parent) {
+ status = ICE_ERR_PARAM;
+ goto rdma_error_exit;
+ }
+ buf->parent_teid = parent->info.node_teid;
+ node.parent_teid = parent->info.node_teid;
+
+ buf->num_qsets = cpu_to_le16(num_qsets);
+ for (i = 0; i < num_qsets; i++) {
+ buf->rdma_qsets[i].tx_qset_id = cpu_to_le16(rdma_qset[i]);
+ buf->rdma_qsets[i].info.valid_sections =
+ ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
+ ICE_AQC_ELEM_VALID_EIR;
+ buf->rdma_qsets[i].info.generic = 0;
+ buf->rdma_qsets[i].info.cir_bw.bw_profile_idx =
+ cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
+ buf->rdma_qsets[i].info.cir_bw.bw_alloc =
+ cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
+ buf->rdma_qsets[i].info.eir_bw.bw_profile_idx =
+ cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
+ buf->rdma_qsets[i].info.eir_bw.bw_alloc =
+ cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
+ }
+ status = ice_aq_add_rdma_qsets(hw, 1, buf, buf_size, NULL);
+ if (status) {
+ ice_debug(hw, ICE_DBG_RDMA, "add RDMA qset failed\n");
+ goto rdma_error_exit;
+ }
+ node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
+ for (i = 0; i < num_qsets; i++) {
+ node.node_teid = buf->rdma_qsets[i].qset_teid;
+ status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1,
+ &node);
+ if (status)
+ break;
+ qset_teid[i] = le32_to_cpu(node.node_teid);
+ }
+rdma_error_exit:
+ mutex_unlock(&pi->sched_lock);
+ kfree(buf);
+ return status;
+}
+
+/**
+ * ice_dis_vsi_rdma_qset - free RDMA resources
+ * @pi: port_info struct
+ * @count: number of RDMA qsets to free
+ * @qset_teid: TEID of qset node
+ * @q_id: list of queue IDs being disabled
+ */
+enum ice_status
+ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
+ u16 *q_id)
+{
+ struct ice_aqc_dis_txq_item *qg_list;
+ enum ice_status status = 0;
+ struct ice_hw *hw;
+ u16 qg_size;
+ int i;
+
+ if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
+ return ICE_ERR_CFG;
+
+ hw = pi->hw;
+
+ qg_size = struct_size(qg_list, q_id, 1);
+ qg_list = kzalloc(qg_size, GFP_KERNEL);
+ if (!qg_list)
+ return ICE_ERR_NO_MEMORY;
+
+ mutex_lock(&pi->sched_lock);
+
+ for (i = 0; i < count; i++) {
+ struct ice_sched_node *node;
+
+ node = ice_sched_find_node_by_teid(pi->root, qset_teid[i]);
+ if (!node)
+ continue;
+
+ qg_list->parent_teid = node->info.parent_teid;
+ qg_list->num_qs = 1;
+ qg_list->q_id[0] =
+ cpu_to_le16(q_id[i] |
+ ICE_AQC_Q_DIS_BUF_ELEM_TYPE_RDMA_QSET);
+
+ status = ice_aq_dis_lan_txq(hw, 1, qg_list, qg_size,
+ ICE_NO_RESET, 0, NULL);
+ if (status)
+ break;
+
+ ice_free_sched_node(pi, node);
+ }
+
+ mutex_unlock(&pi->sched_lock);
+ kfree(qg_list);
+ return status;
+}
+
+/**
* ice_replay_pre_init - replay pre initialization
* @hw: pointer to the HW struct
*
diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h
index 3ebb973..d75d4c8 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.h
+++ b/drivers/net/ethernet/intel/ice/ice_common.h
@@ -147,6 +147,15 @@ enum ice_status
bool write, struct ice_sq_cd *cd);
enum ice_status
+ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
+ u16 *max_rdmaqs);
+enum ice_status
+ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
+ u16 *rdma_qset, u16 num_qsets, u32 *qset_teid);
+enum ice_status
+ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
+ u16 *q_id);
+enum ice_status
ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
u16 *q_handle, u16 *q_ids, u32 *q_teids,
enum ice_disq_rst_src rst_src, u16 vmvf_num,
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
index 00e8741..ab13c35 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
@@ -227,6 +227,30 @@ void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi)
}
/**
+ * ice_peer_prep_tc_change - Pre-notify RDMA Peer in blocking call of TC change
+ * @peer_obj_int: ptr to peer device internal struct
+ * @data: ptr to opaque data
+ */
+static int
+ice_peer_prep_tc_change(struct ice_peer_obj_int *peer_obj_int,
+ void __always_unused *data)
+{
+ struct iidc_peer_obj *peer_obj;
+
+ peer_obj = ice_get_peer_obj(peer_obj_int);
+ if (!ice_validate_peer_obj(peer_obj))
+ return 0;
+
+ if (!test_bit(ICE_PEER_OBJ_STATE_OPENED, peer_obj_int->state))
+ return 0;
+
+ if (peer_obj->peer_ops && peer_obj->peer_ops->prep_tc_change)
+ peer_obj->peer_ops->prep_tc_change(peer_obj);
+
+ return 0;
+}
+
+/**
* ice_dcb_bwchk - check if ETS bandwidth input parameters are correct
* @pf: pointer to the PF struct
* @dcbcfg: pointer to DCB config structure
@@ -313,6 +337,9 @@ int ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked)
goto free_cfg;
}
+ /* Notify capable peers about impending change to TCs */
+ ice_for_each_peer(pf, NULL, ice_peer_prep_tc_change);
+
/* avoid race conditions by holding the lock while disabling and
* re-enabling the VSI
*/
diff --git a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
index 90abc86..b6379d0 100644
--- a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
+++ b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
@@ -107,8 +107,6 @@
#define VPGEN_VFRSTAT_VFRD_M BIT(0)
#define VPGEN_VFRTRIG(_VF) (0x00090000 + ((_VF) * 4))
#define VPGEN_VFRTRIG_VFSWR_M BIT(0)
-#define PFHMC_ERRORDATA 0x00520500
-#define PFHMC_ERRORINFO 0x00520400
#define GLINT_CTL 0x0016CC54
#define GLINT_CTL_DIS_AUTOMASK_M BIT(0)
#define GLINT_CTL_ITR_GRAN_200_S 16
@@ -156,6 +154,7 @@
#define PFINT_OICR_GRST_M BIT(20)
#define PFINT_OICR_PCI_EXCEPTION_M BIT(21)
#define PFINT_OICR_HMC_ERR_M BIT(26)
+#define PFINT_OICR_PE_PUSH_M BIT(27)
#define PFINT_OICR_PE_CRITERR_M BIT(28)
#define PFINT_OICR_VFLR_M BIT(29)
#define PFINT_OICR_SWINT_M BIT(31)
diff --git a/drivers/net/ethernet/intel/ice/ice_idc.c b/drivers/net/ethernet/intel/ice/ice_idc.c
index aec0951..e7dd958 100644
--- a/drivers/net/ethernet/intel/ice/ice_idc.c
+++ b/drivers/net/ethernet/intel/ice/ice_idc.c
@@ -9,6 +9,24 @@
static struct peer_obj_id ice_peers[] = ASSIGN_PEER_INFO;
/**
+ * ice_is_vsi_state_nominal
+ * @vsi: pointer to the VSI struct
+ *
+ * returns true if VSI state is nominal, false otherwise
+ */
+static bool ice_is_vsi_state_nominal(struct ice_vsi *vsi)
+{
+ if (!vsi)
+ return false;
+
+ if (test_bit(__ICE_DOWN, vsi->state) ||
+ test_bit(__ICE_NEEDS_RESTART, vsi->state))
+ return false;
+
+ return true;
+}
+
+/**
* ice_peer_state_change - manage state machine for peer
* @peer_obj: pointer to peer's configuration
* @new_state: the state requested to transition into
@@ -140,6 +158,8 @@
peer_obj->state)) {
set_bit(ICE_PEER_OBJ_STATE_REMOVED, peer_obj->state);
dev_dbg(dev, "state from _OPENED/_CLOSED to _REMOVED\n");
+ /* Clear registration for events when peer removed */
+ bitmap_zero(peer_obj->events, ICE_PEER_OBJ_STATE_NBITS);
}
if (test_and_clear_bit(ICE_PEER_OBJ_STATE_OPENING,
peer_obj->state)) {
@@ -156,6 +176,166 @@
}
/**
+ * ice_peer_close - close a peer object
+ * @peer_obj_int: peer object to close
+ * @data: pointer to opaque data
+ *
+ * This function will also set the state bit for the peer to CLOSED. This
+ * function is meant to be called from a ice_for_each_peer().
+ */
+int ice_peer_close(struct ice_peer_obj_int *peer_obj_int, void *data)
+{
+ enum iidc_close_reason reason = *(enum iidc_close_reason *)(data);
+ struct iidc_peer_obj *peer_obj;
+ struct ice_pf *pf;
+ int i;
+
+ peer_obj = ice_get_peer_obj(peer_obj_int);
+ /* return 0 so ice_for_each_peer will continue closing other peers */
+ if (!ice_validate_peer_obj(peer_obj))
+ return 0;
+ pf = pci_get_drvdata(peer_obj->pdev);
+
+ if (test_bit(__ICE_DOWN, pf->state) ||
+ test_bit(__ICE_SUSPENDED, pf->state) ||
+ test_bit(__ICE_NEEDS_RESTART, pf->state))
+ return 0;
+
+ mutex_lock(&peer_obj_int->peer_obj_state_mutex);
+
+ /* no peer driver, already closed, closing or opening nothing to do */
+ if (test_bit(ICE_PEER_OBJ_STATE_CLOSED, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_CLOSING, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_OPENING, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_PROBED, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_REMOVED, peer_obj_int->state))
+ goto peer_close_out;
+
+ /* Set the peer state to CLOSING */
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_CLOSING, true);
+
+ for (i = 0; i < IIDC_EVENT_NBITS; i++)
+ bitmap_zero(peer_obj_int->current_events[i].type,
+ IIDC_EVENT_NBITS);
+
+ if (peer_obj->peer_ops && peer_obj->peer_ops->close)
+ peer_obj->peer_ops->close(peer_obj, reason);
+
+ /* Set the peer state to CLOSED */
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_CLOSED, true);
+
+peer_close_out:
+ mutex_unlock(&peer_obj_int->peer_obj_state_mutex);
+
+ return 0;
+}
+
+/**
+ * ice_close_peer_for_reset - queue work to close peer for reset
+ * @peer_obj_int: pointer peer object internal struct
+ * @data: pointer to opaque data used for reset type
+ */
+int ice_close_peer_for_reset(struct ice_peer_obj_int *peer_obj_int, void *data)
+{
+ struct iidc_peer_obj *peer_obj;
+ enum ice_reset_req reset;
+
+ peer_obj = ice_get_peer_obj(peer_obj_int);
+ if (!ice_validate_peer_obj(peer_obj) ||
+ (!test_bit(ICE_PEER_OBJ_STATE_OPENED, peer_obj_int->state) &&
+ !test_bit(ICE_PEER_OBJ_STATE_PREPPED, peer_obj_int->state)))
+ return 0;
+
+ reset = *(enum ice_reset_req *)data;
+
+ switch (reset) {
+ case ICE_RESET_EMPR:
+ peer_obj_int->rst_type = IIDC_REASON_EMPR_REQ;
+ break;
+ case ICE_RESET_GLOBR:
+ peer_obj_int->rst_type = IIDC_REASON_GLOBR_REQ;
+ break;
+ case ICE_RESET_CORER:
+ peer_obj_int->rst_type = IIDC_REASON_CORER_REQ;
+ break;
+ case ICE_RESET_PFR:
+ peer_obj_int->rst_type = IIDC_REASON_PFR_REQ;
+ break;
+ default:
+ /* reset type is invalid */
+ return 1;
+ }
+ queue_work(peer_obj_int->ice_peer_wq, &peer_obj_int->peer_close_task);
+ return 0;
+}
+
+/**
+ * ice_check_peer_drv_for_events - check peer_drv for events to report
+ * @peer_obj: peer object to report to
+ */
+static void ice_check_peer_drv_for_events(struct iidc_peer_obj *peer_obj)
+{
+ const struct iidc_peer_ops *p_ops = peer_obj->peer_ops;
+ struct ice_peer_obj_int *peer_obj_int;
+ struct ice_peer_drv_int *peer_drv_int;
+ int i;
+
+ peer_obj_int = peer_to_ice_obj_int(peer_obj);
+ if (!peer_obj_int)
+ return;
+ peer_drv_int = peer_obj_int->peer_drv_int;
+
+ for_each_set_bit(i, peer_obj_int->events, IIDC_EVENT_NBITS) {
+ struct iidc_event *curr = &peer_drv_int->current_events[i];
+
+ if (!bitmap_empty(curr->type, IIDC_EVENT_NBITS) &&
+ p_ops->event_handler)
+ p_ops->event_handler(peer_obj, curr);
+ }
+}
+
+/**
+ * ice_check_peer_for_events - check peer_objs for events new peer reg'd for
+ * @src_peer_int: peer to check for events
+ * @data: ptr to opaque data, to be used for the peer struct that opened
+ *
+ * This function is to be called when a peer object is opened.
+ *
+ * Since a new peer opening would have missed any events that would
+ * have happened before its opening, we need to walk the peers and see
+ * if any of them have events that the new peer cares about
+ *
+ * This function is meant to be called by a ice_for_each_peer.
+ */
+static int
+ice_check_peer_for_events(struct ice_peer_obj_int *src_peer_int, void *data)
+{
+ struct iidc_peer_obj *new_peer = (struct iidc_peer_obj *)data;
+ const struct iidc_peer_ops *p_ops = new_peer->peer_ops;
+ struct ice_peer_obj_int *new_peer_int;
+ struct iidc_peer_obj *src_peer;
+ unsigned long i;
+
+ src_peer = ice_get_peer_obj(src_peer_int);
+ if (!ice_validate_peer_obj(new_peer) ||
+ !ice_validate_peer_obj(src_peer))
+ return 0;
+
+ new_peer_int = peer_to_ice_obj_int(new_peer);
+
+ for_each_set_bit(i, new_peer_int->events, IIDC_EVENT_NBITS) {
+ struct iidc_event *curr = &src_peer_int->current_events[i];
+
+ if (!bitmap_empty(curr->type, IIDC_EVENT_NBITS) &&
+ new_peer->peer_obj_id != src_peer->peer_obj_id &&
+ p_ops->event_handler)
+ p_ops->event_handler(new_peer, curr);
+ }
+
+ return 0;
+}
+
+/**
* ice_for_each_peer - iterate across and call function for each peer obj
* @pf: pointer to private board struct
* @data: data to pass to function on each call
@@ -186,6 +366,108 @@
}
/**
+ * ice_finish_init_peer_obj - complete peer object initialization
+ * @peer_obj_int: ptr to peer object internal struct
+ * @data: ptr to opaque data
+ *
+ * This function completes remaining initialization of peer objects
+ */
+int
+ice_finish_init_peer_obj(struct ice_peer_obj_int *peer_obj_int,
+ void __always_unused *data)
+{
+ struct iidc_peer_obj *peer_obj;
+ struct iidc_peer_drv *peer_drv;
+ struct device *dev;
+ struct ice_pf *pf;
+ int ret = 0;
+
+ peer_obj = ice_get_peer_obj(peer_obj_int);
+ /* peer_obj will not always be populated at the time of this check */
+ if (!ice_validate_peer_obj(peer_obj))
+ return ret;
+
+ peer_drv = peer_obj->peer_drv;
+ pf = pci_get_drvdata(peer_obj->pdev);
+ dev = ice_pf_to_dev(pf);
+ /* There will be several assessments of the peer_obj's state in this
+ * chunk of logic. We need to hold the peer_obj_int's state mutex
+ * for the entire part so that the flow progresses without another
+ * context changing things mid-flow
+ */
+ mutex_lock(&peer_obj_int->peer_obj_state_mutex);
+
+ if (!peer_obj->peer_ops->open) {
+ dev_err(dev, "peer_ops:open not defined in peer obj\n");
+ goto init_unlock;
+ }
+
+ if (!peer_obj->peer_ops->close) {
+ dev_err(dev, "peer_ops:close not defined in peer obj\n");
+ goto init_unlock;
+ }
+
+ /* Peer driver expected to set driver_id during registration */
+ if (!peer_drv->driver_id) {
+ dev_err(dev, "Peer driver did not set driver_id\n");
+ goto init_unlock;
+ }
+
+ if ((test_bit(ICE_PEER_OBJ_STATE_CLOSED, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_PROBED, peer_obj_int->state)) &&
+ ice_pf_state_is_nominal(pf)) {
+ /* If the RTNL is locked, we defer opening the peer
+ * until the next time this function is called by the
+ * service task.
+ */
+ if (rtnl_is_locked())
+ goto init_unlock;
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_OPENING,
+ true);
+ ret = peer_obj->peer_ops->open(peer_obj);
+ if (ret == -EAGAIN) {
+ dev_err(dev, "Peer %d failed to open\n",
+ peer_obj->peer_obj_id);
+ ice_peer_state_change(peer_obj_int,
+ ICE_PEER_OBJ_STATE_PROBED, true);
+ goto init_unlock;
+ } else if (ret) {
+ ice_peer_state_change(peer_obj_int,
+ ICE_PEER_OBJ_STATE_REMOVED, true);
+ peer_obj->peer_ops = NULL;
+ goto init_unlock;
+ }
+
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_OPENED,
+ true);
+ ret = ice_for_each_peer(pf, peer_obj,
+ ice_check_peer_for_events);
+ ice_check_peer_drv_for_events(peer_obj);
+ }
+
+ if (test_bit(ICE_PEER_OBJ_STATE_PREPPED, peer_obj_int->state)) {
+ enum iidc_close_reason reason = IIDC_REASON_CORER_REQ;
+ int i;
+
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_CLOSING,
+ true);
+ for (i = 0; i < IIDC_EVENT_NBITS; i++)
+ bitmap_zero(peer_obj_int->current_events[i].type,
+ IIDC_EVENT_NBITS);
+
+ peer_obj->peer_ops->close(peer_obj, reason);
+
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_CLOSED,
+ true);
+ }
+
+init_unlock:
+ mutex_unlock(&peer_obj_int->peer_obj_state_mutex);
+
+ return ret;
+}
+
+/**
* ice_unreg_peer_obj - unregister specified peer object
* @peer_obj_int: ptr to peer object internal
* @data: ptr to opaque data
@@ -208,6 +490,8 @@
if (peer_obj_int->peer_prep_task.func)
cancel_work_sync(&peer_obj_int->peer_prep_task);
+ if (peer_obj_int->peer_close_task.func)
+ cancel_work_sync(&peer_obj_int->peer_close_task);
destroy_workqueue(peer_obj_int->ice_peer_wq);
}
@@ -282,6 +566,567 @@ void __maybe_unused ice_peer_refresh_msix(struct ice_pf *pf)
}
/**
+ * ice_find_vsi - Find the VSI from VSI ID
+ * @pf: The PF pointer to search in
+ * @vsi_num: The VSI ID to search for
+ */
+static struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num)
+{
+ int i;
+
+ ice_for_each_vsi(pf, i)
+ if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num)
+ return pf->vsi[i];
+ return NULL;
+}
+
+/**
+ * ice_peer_alloc_rdma_qsets - Allocate Leaf Nodes for RDMA Qset
+ * @peer_obj: peer that is requesting the Leaf Nodes
+ * @res: Resources to be allocated
+ * @partial_acceptable: If partial allocation is acceptable to the peer
+ *
+ * This function allocates Leaf Nodes for given RDMA Qset resources
+ * for the peer object.
+ */
+static int
+ice_peer_alloc_rdma_qsets(struct iidc_peer_obj *peer_obj, struct iidc_res *res,
+ int __always_unused partial_acceptable)
+{
+ u16 max_rdmaqs[ICE_MAX_TRAFFIC_CLASS];
+ enum ice_status status;
+ struct ice_vsi *vsi;
+ struct device *dev;
+ struct ice_pf *pf;
+ int i, ret = 0;
+ u32 *qset_teid;
+ u16 *qs_handle;
+
+ if (!ice_validate_peer_obj(peer_obj) || !res)
+ return -EINVAL;
+
+ pf = pci_get_drvdata(peer_obj->pdev);
+ dev = ice_pf_to_dev(pf);
+
+ if (!test_bit(ICE_FLAG_IWARP_ENA, pf->flags))
+ return -EINVAL;
+
+ if (res->cnt_req > ICE_MAX_TXQ_PER_TXQG)
+ return -EINVAL;
+
+ qset_teid = kcalloc(res->cnt_req, sizeof(*qset_teid), GFP_KERNEL);
+ if (!qset_teid)
+ return -ENOMEM;
+
+ qs_handle = kcalloc(res->cnt_req, sizeof(*qs_handle), GFP_KERNEL);
+ if (!qs_handle) {
+ kfree(qset_teid);
+ return -ENOMEM;
+ }
+
+ ice_for_each_traffic_class(i)
+ max_rdmaqs[i] = 0;
+
+ for (i = 0; i < res->cnt_req; i++) {
+ struct iidc_rdma_qset_params *qset;
+
+ qset = &res->res[i].res.qsets;
+ if (qset->vsi_id != peer_obj->pf_vsi_num) {
+ dev_err(dev, "RDMA QSet invalid VSI requested\n");
+ ret = -EINVAL;
+ goto out;
+ }
+ max_rdmaqs[qset->tc]++;
+ qs_handle[i] = qset->qs_handle;
+ }
+
+ vsi = ice_find_vsi(pf, peer_obj->pf_vsi_num);
+ if (!vsi) {
+ dev_err(dev, "RDMA QSet invalid VSI\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ status = ice_cfg_vsi_rdma(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
+ max_rdmaqs);
+ if (status) {
+ dev_err(dev, "Failed VSI RDMA qset config\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ for (i = 0; i < res->cnt_req; i++) {
+ struct iidc_rdma_qset_params *qset;
+
+ qset = &res->res[i].res.qsets;
+ status = ice_ena_vsi_rdma_qset(vsi->port_info, vsi->idx,
+ qset->tc, &qs_handle[i], 1,
+ &qset_teid[i]);
+ if (status) {
+ dev_err(dev, "Failed VSI RDMA qset enable\n");
+ ret = -EINVAL;
+ goto out;
+ }
+ vsi->qset_handle[qset->tc] = qset->qs_handle;
+ qset->teid = qset_teid[i];
+ }
+
+out:
+ kfree(qset_teid);
+ kfree(qs_handle);
+ return ret;
+}
+
+/**
+ * ice_peer_free_rdma_qsets - Free leaf nodes for RDMA Qset
+ * @peer_obj: peer that requested qsets to be freed
+ * @res: Resource to be freed
+ */
+static int
+ice_peer_free_rdma_qsets(struct iidc_peer_obj *peer_obj, struct iidc_res *res)
+{
+ enum ice_status status;
+ int count, i, ret = 0;
+ struct ice_vsi *vsi;
+ struct device *dev;
+ struct ice_pf *pf;
+ u16 vsi_id;
+ u32 *teid;
+ u16 *q_id;
+
+ if (!ice_validate_peer_obj(peer_obj) || !res)
+ return -EINVAL;
+
+ pf = pci_get_drvdata(peer_obj->pdev);
+ dev = ice_pf_to_dev(pf);
+
+ count = res->res_allocated;
+ if (count > ICE_MAX_TXQ_PER_TXQG)
+ return -EINVAL;
+
+ teid = kcalloc(count, sizeof(*teid), GFP_KERNEL);
+ if (!teid)
+ return -ENOMEM;
+
+ q_id = kcalloc(count, sizeof(*q_id), GFP_KERNEL);
+ if (!q_id) {
+ kfree(teid);
+ return -ENOMEM;
+ }
+
+ vsi_id = res->res[0].res.qsets.vsi_id;
+ vsi = ice_find_vsi(pf, vsi_id);
+ if (!vsi) {
+ dev_err(dev, "RDMA Invalid VSI\n");
+ ret = -EINVAL;
+ goto rdma_free_out;
+ }
+
+ for (i = 0; i < count; i++) {
+ struct iidc_rdma_qset_params *qset;
+
+ qset = &res->res[i].res.qsets;
+ if (qset->vsi_id != vsi_id) {
+ dev_err(dev, "RDMA Invalid VSI ID\n");
+ ret = -EINVAL;
+ goto rdma_free_out;
+ }
+ q_id[i] = qset->qs_handle;
+ teid[i] = qset->teid;
+
+ vsi->qset_handle[qset->tc] = 0;
+ }
+
+ status = ice_dis_vsi_rdma_qset(vsi->port_info, count, teid, q_id);
+ if (status)
+ ret = -EINVAL;
+
+rdma_free_out:
+ kfree(teid);
+ kfree(q_id);
+
+ return ret;
+}
+
+/**
+ * ice_peer_alloc_res - Allocate requested resources for peer objects
+ * @peer_obj: peer that is requesting resources
+ * @res: Resources to be allocated
+ * @partial_acceptable: If partial allocation is acceptable to the peer
+ *
+ * This function allocates requested resources for the peer object.
+ */
+static int
+ice_peer_alloc_res(struct iidc_peer_obj *peer_obj, struct iidc_res *res,
+ int partial_acceptable)
+{
+ struct ice_pf *pf;
+ int ret;
+
+ if (!ice_validate_peer_obj(peer_obj) || !res)
+ return -EINVAL;
+
+ pf = pci_get_drvdata(peer_obj->pdev);
+ if (!ice_pf_state_is_nominal(pf))
+ return -EBUSY;
+
+ switch (res->res_type) {
+ case IIDC_RDMA_QSETS_TXSCHED:
+ ret = ice_peer_alloc_rdma_qsets(peer_obj, res,
+ partial_acceptable);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * ice_peer_free_res - Free given resources
+ * @peer_obj: peer that is requesting freeing of resources
+ * @res: Resources to be freed
+ *
+ * Free/Release resources allocated to given peer objects.
+ */
+static int
+ice_peer_free_res(struct iidc_peer_obj *peer_obj, struct iidc_res *res)
+{
+ int ret;
+
+ if (!ice_validate_peer_obj(peer_obj) || !res)
+ return -EINVAL;
+
+ switch (res->res_type) {
+ case IIDC_RDMA_QSETS_TXSCHED:
+ ret = ice_peer_free_rdma_qsets(peer_obj, res);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+/**
+ * ice_peer_reg_for_notif - register a peer to receive specific notifications
+ * @peer_obj: peer that is registering for event notifications
+ * @events: mask of event types peer is registering for
+ */
+static void
+ice_peer_reg_for_notif(struct iidc_peer_obj *peer_obj,
+ struct iidc_event *events)
+{
+ struct ice_peer_obj_int *peer_obj_int;
+ struct ice_pf *pf;
+
+ if (!ice_validate_peer_obj(peer_obj) || !events)
+ return;
+
+ peer_obj_int = peer_to_ice_obj_int(peer_obj);
+ pf = pci_get_drvdata(peer_obj->pdev);
+
+ bitmap_or(peer_obj_int->events, peer_obj_int->events, events->type,
+ IIDC_EVENT_NBITS);
+
+ /* Check to see if any events happened previous to peer registering */
+ ice_for_each_peer(pf, peer_obj, ice_check_peer_for_events);
+ ice_check_peer_drv_for_events(peer_obj);
+}
+
+/**
+ * ice_peer_unreg_for_notif - unreg a peer from receiving certain notifications
+ * @peer_obj: peer that is unregistering from event notifications
+ * @events: mask of event types peer is unregistering for
+ */
+static void
+ice_peer_unreg_for_notif(struct iidc_peer_obj *peer_obj,
+ struct iidc_event *events)
+{
+ struct ice_peer_obj_int *peer_obj_int;
+
+ if (!ice_validate_peer_obj(peer_obj) || !events)
+ return;
+
+ peer_obj_int = peer_to_ice_obj_int(peer_obj);
+
+ bitmap_andnot(peer_obj_int->events, peer_obj_int->events, events->type,
+ IIDC_EVENT_NBITS);
+}
+
+/**
+ * ice_peer_check_for_reg - check to see if any peers are reg'd for event
+ * @peer_obj_int: ptr to peer object internal struct
+ * @data: ptr to opaque data, to be used for ice_event to report
+ *
+ * This function is to be called by ice_for_each_peer to handle an
+ * event reported by a peer or the ice driver.
+ */
+int ice_peer_check_for_reg(struct ice_peer_obj_int *peer_obj_int, void *data)
+{
+ struct iidc_event *event = (struct iidc_event *)data;
+ DECLARE_BITMAP(comp_events, IIDC_EVENT_NBITS);
+ struct iidc_peer_obj *peer_obj;
+ bool check = true;
+
+ peer_obj = ice_get_peer_obj(peer_obj_int);
+
+ if (!ice_validate_peer_obj(peer_obj) || !data)
+ /* If invalid obj, in this case return 0 instead of error
+ * because caller ignores this return value
+ */
+ return 0;
+
+ if (event->reporter)
+ check = event->reporter->peer_obj_id != peer_obj->peer_obj_id;
+
+ if (bitmap_and(comp_events, event->type, peer_obj_int->events,
+ IIDC_EVENT_NBITS) &&
+ (test_bit(ICE_PEER_OBJ_STATE_OPENED, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_PREP_RST, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_PREPPED, peer_obj_int->state)) &&
+ check &&
+ peer_obj->peer_ops->event_handler)
+ peer_obj->peer_ops->event_handler(peer_obj, event);
+
+ return 0;
+}
+
+/**
+ * ice_peer_unregister - request to unregister peer
+ * @peer_obj: peer object
+ *
+ * This function triggers close/remove on peer_obj allowing peer
+ * to unregister.
+ */
+static int ice_peer_unregister(struct iidc_peer_obj *peer_obj)
+{
+ enum iidc_close_reason reason = IIDC_REASON_PEER_DRV_UNREG;
+ struct ice_peer_obj_int *peer_obj_int;
+ struct ice_pf *pf;
+ int ret;
+
+ if (!ice_validate_peer_obj(peer_obj))
+ return -EINVAL;
+
+ pf = pci_get_drvdata(peer_obj->pdev);
+ if (ice_is_reset_in_progress(pf->state))
+ return -EBUSY;
+
+ peer_obj_int = peer_to_ice_obj_int(peer_obj);
+
+ ret = ice_peer_close(peer_obj_int, &reason);
+ if (ret)
+ return ret;
+
+ switch (peer_obj->peer_obj_id) {
+ case IIDC_PEER_RDMA_ID:
+ pf->rdma_peer = NULL;
+ break;
+ default:
+ break;
+ }
+
+ peer_obj->peer_ops = NULL;
+
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_REMOVED, false);
+ return 0;
+}
+
+/**
+ * ice_peer_register - Called by peer to open communication with LAN
+ * @peer_obj: ptr to peer object
+ *
+ * registering peer is expected to populate the ice_peerdrv->name field
+ * before calling this function.
+ */
+static int ice_peer_register(struct iidc_peer_obj *peer_obj)
+{
+ struct ice_peer_drv_int *peer_drv_int;
+ struct ice_peer_obj_int *peer_obj_int;
+ struct iidc_peer_drv *peer_drv;
+
+ if (!peer_obj) {
+ pr_err("Failed to reg peer_obj: peer_obj ptr NULL\n");
+ return -EINVAL;
+ }
+
+ if (!peer_obj->pdev) {
+ pr_err("Failed to reg peer_obj: peer_obj pdev NULL\n");
+ return -EINVAL;
+ }
+
+ if (!peer_obj->peer_ops || !peer_obj->ops) {
+ pr_err("Failed to reg peer_obj: peer_obj peer_ops/ops NULL\n");
+ return -EINVAL;
+ }
+
+ peer_drv = peer_obj->peer_drv;
+ if (!peer_drv) {
+ pr_err("Failed to reg peer_obj: peer drv NULL\n");
+ return -EINVAL;
+ }
+
+ peer_obj_int = peer_to_ice_obj_int(peer_obj);
+ peer_drv_int = peer_obj_int->peer_drv_int;
+ if (!peer_drv_int) {
+ pr_err("Failed to match peer_drv_int to peer_obj\n");
+ return -EINVAL;
+ }
+
+ peer_drv_int->peer_drv = peer_drv;
+
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_PROBED, false);
+
+ return 0;
+}
+
+/**
+ * ice_peer_request_reset - accept request from peer to perform a reset
+ * @peer_obj: peer object that is requesting a reset
+ * @reset_type: type of reset the peer is requesting
+ */
+static int
+ice_peer_request_reset(struct iidc_peer_obj *peer_obj, enum iidc_peer_reset_type reset_type)
+{
+ enum ice_reset_req reset;
+ struct ice_pf *pf;
+
+ if (!ice_validate_peer_obj(peer_obj))
+ return -EINVAL;
+
+ pf = pci_get_drvdata(peer_obj->pdev);
+
+ switch (reset_type) {
+ case IIDC_PEER_PFR:
+ reset = ICE_RESET_PFR;
+ break;
+ case IIDC_PEER_CORER:
+ reset = ICE_RESET_CORER;
+ break;
+ case IIDC_PEER_GLOBR:
+ reset = ICE_RESET_GLOBR;
+ break;
+ default:
+ dev_err(ice_pf_to_dev(pf), "incorrect reset request from peer\n");
+ return -EINVAL;
+ }
+
+ return ice_schedule_reset(pf, reset);
+}
+
+/**
+ * ice_peer_is_vsi_ready - query if VSI in nominal state
+ * @peer_obj: pointer to iidc_peer_obj struct
+ */
+static int ice_peer_is_vsi_ready(struct iidc_peer_obj *peer_obj)
+{
+ struct ice_netdev_priv *np;
+ struct ice_vsi *vsi;
+
+ /* If the peer_obj or associated values are not valid, then return
+ * 0 as there is no ready port associated with the values passed in
+ * as parameters.
+ */
+
+ if (!peer_obj || !peer_obj->pdev || !pci_get_drvdata(peer_obj->pdev) ||
+ !peer_to_ice_obj_int(peer_obj))
+ return 0;
+
+ if (!peer_obj->netdev)
+ return 0;
+
+ np = netdev_priv(peer_obj->netdev);
+ vsi = np->vsi;
+
+ return ice_is_vsi_state_nominal(vsi);
+}
+
+/**
+ * ice_peer_update_vsi_filter - update main VSI filters for RDMA
+ * @peer_obj: pointer to RDMA peer object
+ * @filter: selection of filters to enable or disable
+ * @enable: bool whether to enable or disable filters
+ */
+static int
+ice_peer_update_vsi_filter(struct iidc_peer_obj *peer_obj,
+ enum iidc_rdma_filter __maybe_unused filter,
+ bool enable)
+{
+ enum ice_status status;
+ struct ice_vsi *vsi;
+ struct ice_pf *pf;
+
+ if (!ice_validate_peer_obj(peer_obj))
+ return -EINVAL;
+
+ pf = pci_get_drvdata(peer_obj->pdev);
+
+ vsi = ice_get_main_vsi(pf);
+ if (!vsi)
+ return -EINVAL;
+
+ status = ice_cfg_iwarp_fltr(&pf->hw, vsi->idx, enable);
+ if (status) {
+ dev_err(ice_pf_to_dev(pf), "Failed to %sable iWARP filtering\n",
+ enable ? "en" : "dis");
+ } else {
+ if (enable)
+ vsi->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
+ else
+ vsi->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
+ }
+
+ return ice_status_to_errno(status);
+}
+
+/**
+ * ice_peer_vc_send - send a virt channel message from a peer
+ * @peer_obj: pointer to a peer object
+ * @vf_id: the absolute VF ID of recipient of message
+ * @msg: pointer to message contents
+ * @len: len of message
+ */
+static int
+ice_peer_vc_send(struct iidc_peer_obj *peer_obj, u32 vf_id, u8 *msg, u16 len)
+{
+ enum ice_status status;
+ struct ice_pf *pf;
+ int err = 0;
+
+ if (!ice_validate_peer_obj(peer_obj))
+ return -EINVAL;
+ if (!msg || !len)
+ return -ENOMEM;
+
+ pf = pci_get_drvdata(peer_obj->pdev);
+ if (len > ICE_AQ_MAX_BUF_LEN)
+ return -EINVAL;
+
+ switch (peer_obj->peer_drv->driver_id) {
+ case IIDC_PEER_RDMA_DRIVER:
+ if (vf_id >= pf->num_alloc_vfs)
+ return -ENODEV;
+
+ /* VIRTCHNL_OP_IWARP is being used for RoCEv2 msg also */
+ status = ice_aq_send_msg_to_vf(&pf->hw, vf_id, VIRTCHNL_OP_IWARP,
+ 0, msg, len, NULL);
+ if (status)
+ err = -EBADMSG;
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ }
+
+ if (err)
+ dev_err(ice_pf_to_dev(pf),
+ "Unable to send msg to VF, error %d\n", err);
+ return err;
+}
+
+/**
* ice_reserve_peer_qvector - Reserve vector resources for peer drivers
* @pf: board private structure to initialize
*/
@@ -300,6 +1145,49 @@ static int ice_reserve_peer_qvector(struct ice_pf *pf)
}
/**
+ * ice_peer_close_task - call peer's close asynchronously
+ * @work: pointer to work_struct contained by the peer_obj_int struct
+ *
+ * This method (asynchronous) of calling a peer's close function is
+ * meant to be used in the reset path.
+ */
+static void ice_peer_close_task(struct work_struct *work)
+{
+ struct ice_peer_obj_int *peer_obj_int;
+ struct iidc_peer_obj *peer_obj;
+
+ peer_obj_int = container_of(work, struct ice_peer_obj_int, peer_close_task);
+
+ peer_obj = ice_get_peer_obj(peer_obj_int);
+ if (!peer_obj || !peer_obj->peer_ops)
+ return;
+
+ /* If this peer_obj is going to close, we do not want any state changes
+ * to happen until after we successfully finish or abort the close.
+ * Grab the peer_obj_state_mutex to protect this flow
+ */
+ mutex_lock(&peer_obj_int->peer_obj_state_mutex);
+
+ /* Only allow a close to go to the peer if they are in a state
+ * to accept it. The last state of PREP_RST is a special case
+ * that will not normally happen, but it is up to the peer
+ * to handle it correctly.
+ */
+ if (test_bit(ICE_PEER_OBJ_STATE_OPENED, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_PREPPED, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_PREP_RST, peer_obj_int->state)) {
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_CLOSING, true);
+
+ if (peer_obj->peer_ops->close)
+ peer_obj->peer_ops->close(peer_obj, peer_obj_int->rst_type);
+
+ ice_peer_state_change(peer_obj_int, ICE_PEER_OBJ_STATE_CLOSED, true);
+ }
+
+ mutex_unlock(&peer_obj_int->peer_obj_state_mutex);
+}
+
+/**
* ice_peer_update_vsi - update the pf_vsi info in peer_obj struct
* @peer_obj_int: pointer to peer_obj internal struct
* @data: opaque pointer - VSI to be updated
@@ -317,6 +1205,20 @@ int ice_peer_update_vsi(struct ice_peer_obj_int *peer_obj_int, void *data)
return 0;
}
+/* Initialize the ice_ops struct, which is used in 'ice_init_peer_devices' */
+static const struct iidc_ops ops = {
+ .alloc_res = ice_peer_alloc_res,
+ .free_res = ice_peer_free_res,
+ .is_vsi_ready = ice_peer_is_vsi_ready,
+ .reg_for_notification = ice_peer_reg_for_notif,
+ .unreg_for_notification = ice_peer_unreg_for_notif,
+ .request_reset = ice_peer_request_reset,
+ .peer_register = ice_peer_register,
+ .peer_unregister = ice_peer_unregister,
+ .update_vsi_filter = ice_peer_update_vsi_filter,
+ .vc_send = ice_peer_vc_send,
+};
+
/**
* ice_init_peer_devices - initializes peer objects and aux devices
* @pf: ptr to ice_pf
@@ -325,6 +1227,7 @@ int ice_peer_update_vsi(struct ice_peer_obj_int *peer_obj_int, void *data)
*/
int ice_init_peer_devices(struct ice_pf *pf)
{
+ struct ice_port_info *port_info = pf->hw.port_info;
struct ice_vsi *vsi = ice_get_main_vsi(pf);
struct pci_dev *pdev = pf->pdev;
struct device *dev = &pdev->dev;
@@ -366,6 +1269,11 @@ int ice_init_peer_devices(struct ice_pf *pf)
pf->peers[i] = peer_obj_int;
peer_obj_int->peer_drv_int = peer_drv_int;
+ /* Initialize driver values */
+ for (j = 0; j < IIDC_EVENT_NBITS; j++)
+ bitmap_zero(peer_drv_int->current_events[j].type,
+ IIDC_EVENT_NBITS);
+
mutex_init(&peer_obj_int->peer_obj_state_mutex);
peer_obj = ice_get_peer_obj(peer_obj_int);
@@ -374,6 +1282,8 @@ int ice_init_peer_devices(struct ice_pf *pf)
peer_obj->peer_obj_id = ice_peers[i].id;
peer_obj->pf_vsi_num = vsi->vsi_num;
peer_obj->netdev = vsi->netdev;
+ peer_obj->initial_mtu = vsi->netdev->mtu;
+ ether_addr_copy(peer_obj->lan_addr, port_info->mac.lan_addr);
peer_obj_int->ice_peer_wq =
alloc_ordered_workqueue("ice_peer_wq_%d", WQ_UNBOUND,
@@ -383,8 +1293,19 @@ int ice_init_peer_devices(struct ice_pf *pf)
kfree(peer_drv_int);
return -ENOMEM;
}
+ INIT_WORK(&peer_obj_int->peer_close_task, ice_peer_close_task);
peer_obj->pdev = pdev;
+ peer_obj->ari_ena = pci_ari_enabled(pdev->bus);
+ peer_obj->bus_num = PCI_BUS_NUM(pdev->devfn);
+ if (!peer_obj->ari_ena) {
+ peer_obj->dev_num = PCI_SLOT(pdev->devfn);
+ peer_obj->fn_num = PCI_FUNC(pdev->devfn);
+ } else {
+ peer_obj->dev_num = 0;
+ peer_obj->fn_num = pdev->devfn & 0xff;
+ }
+
qos_info = &peer_obj->initial_qos_info;
/* setup qos_info fields with defaults */
@@ -400,6 +1321,8 @@ int ice_init_peer_devices(struct ice_pf *pf)
/* for DCB, override the qos_info defaults. */
ice_setup_dcb_qos_info(pf, qos_info);
+ /* Initialize ice_ops */
+ peer_obj->ops = &ops;
/* make sure peer specific resources such as msix_count and
* msix_entries are initialized
diff --git a/drivers/net/ethernet/intel/ice/ice_idc_int.h b/drivers/net/ethernet/intel/ice/ice_idc_int.h
index de5cc46..d54a901 100644
--- a/drivers/net/ethernet/intel/ice/ice_idc_int.h
+++ b/drivers/net/ethernet/intel/ice/ice_idc_int.h
@@ -22,12 +22,24 @@ enum ice_peer_obj_state {
struct ice_peer_drv_int {
struct iidc_peer_drv *peer_drv;
+
+ /* if this peer_obj is the originator of an event, these are the
+ * most recent events of each type
+ */
+ struct iidc_event current_events[IIDC_EVENT_NBITS];
};
struct ice_peer_obj_int {
struct iidc_peer_obj peer_obj;
struct ice_peer_drv_int *peer_drv_int; /* driver private structure */
+ /* if this peer_obj is the originator of an event, these are the
+ * most recent events of each type
+ */
+ struct iidc_event current_events[IIDC_EVENT_NBITS];
+ /* Events a peer has registered to be notified about */
+ DECLARE_BITMAP(events, IIDC_EVENT_NBITS);
+
/* States associated with peer_obj */
DECLARE_BITMAP(state, ICE_PEER_OBJ_STATE_NBITS);
struct mutex peer_obj_state_mutex; /* peer_obj state mutex */
@@ -36,11 +48,18 @@ struct ice_peer_obj_int {
struct workqueue_struct *ice_peer_wq;
struct work_struct peer_prep_task;
+ struct work_struct peer_close_task;
enum iidc_close_reason rst_type;
};
static inline struct
+ice_peer_obj_int *peer_to_ice_obj_int(struct iidc_peer_obj *peer_obj)
+{
+ return container_of(peer_obj, struct ice_peer_obj_int, peer_obj);
+}
+
+static inline struct
iidc_peer_obj *ice_get_peer_obj(struct ice_peer_obj_int *peer_obj_int)
{
if (peer_obj_int)
@@ -49,6 +68,37 @@ iidc_peer_obj *ice_get_peer_obj(struct ice_peer_obj_int *peer_obj_int)
return NULL;
}
+static inline bool ice_validate_peer_obj(struct iidc_peer_obj *peer_obj)
+{
+ struct ice_peer_obj_int *peer_obj_int;
+ struct ice_pf *pf;
+
+ if (!peer_obj || !peer_obj->pdev)
+ return false;
+
+ if (!peer_obj->peer_ops)
+ return false;
+
+ pf = pci_get_drvdata(peer_obj->pdev);
+ if (!pf)
+ return false;
+
+ peer_obj_int = peer_to_ice_obj_int(peer_obj);
+ if (!peer_obj_int)
+ return false;
+
+ if (test_bit(ICE_PEER_OBJ_STATE_REMOVED, peer_obj_int->state) ||
+ test_bit(ICE_PEER_OBJ_STATE_INIT, peer_obj_int->state))
+ return false;
+
+ return true;
+}
+
int ice_peer_update_vsi(struct ice_peer_obj_int *peer_obj_int, void *data);
+int ice_close_peer_for_reset(struct ice_peer_obj_int *peer_obj_int, void *data);
int ice_unroll_peer(struct ice_peer_obj_int *peer_obj_int, void *data);
+int ice_peer_close(struct ice_peer_obj_int *peer_obj_int, void *data);
+int ice_peer_check_for_reg(struct ice_peer_obj_int *peer_obj_int, void *data);
+int
+ice_finish_init_peer_obj(struct ice_peer_obj_int *peer_obj_int, void *data);
#endif /* !_ICE_IDC_INT_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index e52d300..0f59a8f 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -2469,6 +2469,22 @@ void ice_vsi_free_rx_rings(struct ice_vsi *vsi)
*/
void ice_vsi_close(struct ice_vsi *vsi)
{
+ if (!ice_is_safe_mode(vsi->back) && vsi->type == ICE_VSI_PF) {
+ enum iidc_close_reason reason = IIDC_REASON_INTERFACE_DOWN;
+ int ret;
+
+ if (test_bit(__ICE_PFR_REQ, vsi->back->state))
+ reason = IIDC_REASON_PFR_REQ;
+ if (test_bit(__ICE_CORER_REQ, vsi->back->state))
+ reason = IIDC_REASON_CORER_REQ;
+ if (test_bit(__ICE_GLOBR_REQ, vsi->back->state))
+ reason = IIDC_REASON_GLOBR_REQ;
+
+ ret = ice_for_each_peer(vsi->back, &reason, ice_peer_close);
+ if (ret)
+ dev_dbg(ice_pf_to_dev(vsi->back), "Peer device did not implement close function\n");
+ }
+
if (!test_and_set_bit(__ICE_DOWN, vsi->state))
ice_down(vsi);
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index b04147f..873db5a 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -543,6 +543,9 @@ static void ice_reset_subtask(struct ice_pf *pf)
/* return if no valid reset type requested */
if (reset_type == ICE_RESET_INVAL)
return;
+ if (ice_is_peer_ena(pf))
+ ice_for_each_peer(pf, &reset_type,
+ ice_close_peer_for_reset);
ice_prepare_for_reset(pf);
/* make sure we are ready to rebuild */
@@ -2061,6 +2064,9 @@ static void ice_service_task(struct work_struct *work)
return;
}
+ /* Invoke remaining initialization of peer_objs */
+ ice_for_each_peer(pf, NULL, ice_finish_init_peer_obj);
+
ice_process_vflr_event(pf);
ice_clean_mailboxq_subtask(pf);
ice_sync_arfs_fltrs(pf);
@@ -2592,6 +2598,7 @@ 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);
@@ -2690,11 +2697,20 @@ 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_PEER_CRIT_ERR (PFINT_OICR_PE_CRITERR_M | PFINT_OICR_HMC_ERR_M | PFINT_OICR_PE_PUSH_M)
+ if (oicr & ICE_PEER_CRIT_ERR) {
+ struct iidc_event *event;
+
+ ena_mask &= ~ICE_PEER_CRIT_ERR;
+ event = kzalloc(sizeof(*event), GFP_KERNEL);
+ if (event) {
+ set_bit(IIDC_EVENT_CRIT_ERR, event->type);
+ event->reporter = NULL;
+ /* report the entire OICR value to peer */
+ event->info.reg = oicr;
+ ice_for_each_peer(pf, event, ice_peer_check_for_reg);
+ kfree(event);
+ }
}
/* Report any remaining unexpected interrupts */
@@ -2704,8 +2720,7 @@ 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);
@@ -4399,11 +4414,18 @@ static void ice_remove(struct pci_dev *pdev)
ice_free_vfs(pf);
}
- set_bit(__ICE_DOWN, pf->state);
ice_service_task_stop(pf);
ice_aq_cancel_waiting_tasks(pf);
+ if (ice_is_peer_ena(pf)) {
+ enum iidc_close_reason reason;
+
+ reason = IIDC_REASON_INTERFACE_DOWN;
+ ice_for_each_peer(pf, &reason, ice_peer_close);
+ }
+ set_bit(__ICE_DOWN, pf->state);
+
mutex_destroy(&(&pf->hw)->fdir_fltr_lock);
if (!ice_is_safe_mode(pf))
ice_remove_arfs(pf);
@@ -6165,7 +6187,9 @@ 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);
@@ -6207,27 +6231,40 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
return -EBUSY;
}
+ event = kzalloc(sizeof(*event), GFP_KERNEL);
+ if (!event)
+ return -ENOMEM;
+
netdev->mtu = (unsigned int)new_mtu;
/* if VSI is up, bring it down and then back up */
if (!test_and_set_bit(__ICE_DOWN, vsi->state)) {
- int err;
-
err = ice_down(vsi);
if (err) {
netdev_err(netdev, "change MTU if_up err %d\n", err);
- return err;
+ goto free_event;
}
err = ice_up(vsi);
if (err) {
netdev_err(netdev, "change MTU if_up err %d\n", err);
- return err;
+ goto free_event;
}
}
+ if (ice_is_safe_mode(pf))
+ goto out;
+
+ set_bit(IIDC_EVENT_MTU_CHANGE, event->type);
+ event->reporter = NULL;
+ event->info.mtu = (u16)new_mtu;
+ ice_for_each_peer(pf, event, ice_peer_check_for_reg);
+
+out:
netdev_dbg(netdev, "changed MTU to %d\n", new_mtu);
- return 0;
+free_event:
+ kfree(event);
+ return err;
}
/**
diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c
index f0912e4..a3da7a9 100644
--- a/drivers/net/ethernet/intel/ice/ice_sched.c
+++ b/drivers/net/ethernet/intel/ice/ice_sched.c
@@ -575,6 +575,50 @@ void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node)
}
/**
+ * ice_alloc_rdma_q_ctx - allocate RDMA queue contexts for the given VSI and TC
+ * @hw: pointer to the HW struct
+ * @vsi_handle: VSI handle
+ * @tc: TC number
+ * @new_numqs: number of queues
+ */
+static enum ice_status
+ice_alloc_rdma_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 new_numqs)
+{
+ struct ice_vsi_ctx *vsi_ctx;
+ struct ice_q_ctx *q_ctx;
+
+ vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
+ if (!vsi_ctx)
+ return ICE_ERR_PARAM;
+ /* allocate RDMA queue contexts */
+ if (!vsi_ctx->rdma_q_ctx[tc]) {
+ vsi_ctx->rdma_q_ctx[tc] = devm_kcalloc(ice_hw_to_dev(hw),
+ new_numqs,
+ sizeof(*q_ctx),
+ GFP_KERNEL);
+ if (!vsi_ctx->rdma_q_ctx[tc])
+ return ICE_ERR_NO_MEMORY;
+ vsi_ctx->num_rdma_q_entries[tc] = new_numqs;
+ return 0;
+ }
+ /* num queues are increased, update the queue contexts */
+ if (new_numqs > vsi_ctx->num_rdma_q_entries[tc]) {
+ u16 prev_num = vsi_ctx->num_rdma_q_entries[tc];
+
+ q_ctx = devm_kcalloc(ice_hw_to_dev(hw), new_numqs,
+ sizeof(*q_ctx), GFP_KERNEL);
+ if (!q_ctx)
+ return ICE_ERR_NO_MEMORY;
+ memcpy(q_ctx, vsi_ctx->rdma_q_ctx[tc],
+ prev_num * sizeof(*q_ctx));
+ devm_kfree(ice_hw_to_dev(hw), vsi_ctx->rdma_q_ctx[tc]);
+ vsi_ctx->rdma_q_ctx[tc] = q_ctx;
+ vsi_ctx->num_rdma_q_entries[tc] = new_numqs;
+ }
+ return 0;
+}
+
+/**
* ice_aq_rl_profile - performs a rate limiting task
* @hw: pointer to the HW struct
* @opcode: opcode for add, query, or remove profile(s)
@@ -1636,13 +1680,22 @@ struct ice_sched_node *
if (!vsi_ctx)
return ICE_ERR_PARAM;
- prev_numqs = vsi_ctx->sched.max_lanq[tc];
+ if (owner == ICE_SCHED_NODE_OWNER_LAN)
+ prev_numqs = vsi_ctx->sched.max_lanq[tc];
+ else
+ prev_numqs = vsi_ctx->sched.max_rdmaq[tc];
/* num queues are not changed or less than the previous number */
if (new_numqs <= prev_numqs)
return status;
- status = ice_alloc_lan_q_ctx(hw, vsi_handle, tc, new_numqs);
- if (status)
- return status;
+ if (owner == ICE_SCHED_NODE_OWNER_LAN) {
+ status = ice_alloc_lan_q_ctx(hw, vsi_handle, tc, new_numqs);
+ if (status)
+ return status;
+ } else {
+ status = ice_alloc_rdma_q_ctx(hw, vsi_handle, tc, new_numqs);
+ if (status)
+ return status;
+ }
if (new_numqs)
ice_sched_calc_vsi_child_nodes(hw, new_numqs, new_num_nodes);
@@ -1657,7 +1710,10 @@ struct ice_sched_node *
new_num_nodes, owner);
if (status)
return status;
- vsi_ctx->sched.max_lanq[tc] = new_numqs;
+ if (owner == ICE_SCHED_NODE_OWNER_LAN)
+ vsi_ctx->sched.max_lanq[tc] = new_numqs;
+ else
+ vsi_ctx->sched.max_rdmaq[tc] = new_numqs;
return 0;
}
@@ -1723,6 +1779,7 @@ enum ice_status
* recreate the child nodes all the time in these cases.
*/
vsi_ctx->sched.max_lanq[tc] = 0;
+ vsi_ctx->sched.max_rdmaq[tc] = 0;
}
/* update the VSI child nodes */
@@ -1852,6 +1909,8 @@ static bool ice_sched_is_leaf_node_present(struct ice_sched_node *node)
}
if (owner == ICE_SCHED_NODE_OWNER_LAN)
vsi_ctx->sched.max_lanq[i] = 0;
+ else
+ vsi_ctx->sched.max_rdmaq[i] = 0;
}
status = 0;
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index c336121..def8cf6 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -302,6 +302,10 @@ static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle)
devm_kfree(ice_hw_to_dev(hw), vsi->lan_q_ctx[i]);
vsi->lan_q_ctx[i] = NULL;
}
+ if (vsi->rdma_q_ctx[i]) {
+ devm_kfree(ice_hw_to_dev(hw), vsi->rdma_q_ctx[i]);
+ vsi->rdma_q_ctx[i] = NULL;
+ }
}
}
@@ -423,6 +427,29 @@ enum ice_status
}
/**
+ * ice_cfg_iwarp_fltr - enable/disable iWARP filtering on VSI
+ * @hw: pointer to HW struct
+ * @vsi_handle: VSI SW index
+ * @enable: boolean for enable/disable
+ */
+enum ice_status
+ice_cfg_iwarp_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable)
+{
+ struct ice_vsi_ctx *ctx;
+
+ ctx = ice_get_vsi_ctx(hw, vsi_handle);
+ if (!ctx)
+ return ICE_ERR_DOES_NOT_EXIST;
+
+ if (enable)
+ ctx->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
+ else
+ ctx->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
+
+ return ice_update_vsi(hw, vsi_handle, ctx, NULL);
+}
+
+/**
* ice_aq_alloc_free_vsi_list
* @hw: pointer to the HW struct
* @vsi_list_id: VSI list ID returned or used for lookup
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.h b/drivers/net/ethernet/intel/ice/ice_switch.h
index 8b4f9d3..6821cf7 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.h
+++ b/drivers/net/ethernet/intel/ice/ice_switch.h
@@ -26,6 +26,8 @@ struct ice_vsi_ctx {
u8 vf_num;
u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS];
struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS];
+ u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS];
+ struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS];
};
enum ice_sw_fwd_act_type {
@@ -223,6 +225,8 @@ enum ice_status
ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list);
enum ice_status
ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list);
+enum ice_status
+ice_cfg_iwarp_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable);
void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle);
enum ice_status
ice_add_vlan(struct ice_hw *hw, struct list_head *m_list);
diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h
index c112ba0..ef742e8 100644
--- a/drivers/net/ethernet/intel/ice/ice_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_type.h
@@ -45,6 +45,7 @@ static inline u32 ice_round_to_num(u32 N, u32 R)
#define ICE_DBG_FLOW BIT_ULL(9)
#define ICE_DBG_SW BIT_ULL(13)
#define ICE_DBG_SCHED BIT_ULL(14)
+#define ICE_DBG_RDMA BIT_ULL(15)
#define ICE_DBG_PKG BIT_ULL(16)
#define ICE_DBG_RES BIT_ULL(17)
#define ICE_DBG_AQ_MSG BIT_ULL(24)
@@ -381,6 +382,7 @@ struct ice_sched_node {
u8 tc_num;
u8 owner;
#define ICE_SCHED_NODE_OWNER_LAN 0
+#define ICE_SCHED_NODE_OWNER_RDMA 2
};
/* Access Macros for Tx Sched Elements data */
@@ -452,6 +454,7 @@ struct ice_sched_vsi_info {
struct ice_sched_node *ag_node[ICE_MAX_TRAFFIC_CLASS];
struct list_head list_entry;
u16 max_lanq[ICE_MAX_TRAFFIC_CLASS];
+ u16 max_rdmaq[ICE_MAX_TRAFFIC_CLASS];
};
/* driver defines the policy */
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index ec7f6c6..5d70f76 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -3603,6 +3603,37 @@ static int ice_vc_dis_vlan_stripping(struct ice_vf *vf)
}
/**
+ * ice_vc_rdma_msg - send msg to RDMA PF from VF
+ * @vf: pointer to VF info
+ * @msg: pointer to msg buffer
+ * @len: length of the message
+ *
+ * This function is called indirectly from the AQ clean function.
+ */
+static int ice_vc_rdma_msg(struct ice_vf *vf, u8 *msg, u16 len)
+{
+ struct iidc_peer_obj *rdma_peer;
+ int ret;
+
+ rdma_peer = vf->pf->rdma_peer;
+ if (!rdma_peer) {
+ pr_err("Invalid RDMA peer attempted to send message to peer\n");
+ return -EIO;
+ }
+
+ if (!rdma_peer->peer_ops || !rdma_peer->peer_ops->vc_receive) {
+ pr_err("Incomplete RMDA peer attempting to send msg\n");
+ return -EINVAL;
+ }
+
+ ret = rdma_peer->peer_ops->vc_receive(rdma_peer, vf->vf_id, msg, len);
+ if (ret)
+ pr_err("Failed to send message to RDMA peer, error %d\n", ret);
+
+ return ret;
+}
+
+/**
* ice_vf_init_vlan_stripping - enable/disable VLAN stripping on initialization
* @vf: VF to enable/disable VLAN stripping for on initialization
*
@@ -3739,6 +3770,9 @@ void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event)
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
err = ice_vc_dis_vlan_stripping(vf);
break;
+ case VIRTCHNL_OP_IWARP:
+ err = ice_vc_rdma_msg(vf, msg, msglen);
+ break;
case VIRTCHNL_OP_UNKNOWN:
default:
dev_err(dev, "Unsupported opcode %d from VF %d\n", v_opcode,
--
1.8.3.1
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