+/**
+ * t4_get_pfres - retrieve VF resource limits
+ * @adapter: the adapter
+ *
+ * Retrieves configured resource limits and capabilities for a physical
+ * function. The results are stored in @adapter->pfres.
+ */
+int t4_get_pfres(struct adapter *adapter)
+{
+ struct pf_resources *pfres = &adapter->params.pfres;
+ struct fw_pfvf_cmd cmd, rpl;
+ u32 word;
+ int v;
+
+ /*
+ * Execute PFVF Read command to get VF resource limits; bail out early
+ * with error on command failure.
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PFVF_CMD) |
+ F_FW_CMD_REQUEST |
+ F_FW_CMD_READ |
+ V_FW_PFVF_CMD_PFN(adapter->pf) |
+ V_FW_PFVF_CMD_VFN(0));
+ cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
+ v = t4_wr_mbox(adapter, adapter->mbox, &cmd, sizeof(cmd), &rpl);
+ if (v != FW_SUCCESS)
+ return v;
+
+ /*
+ * Extract PF resource limits and return success.
+ */
+ word = be32_to_cpu(rpl.niqflint_niq);
+ pfres->niqflint = G_FW_PFVF_CMD_NIQFLINT(word);
+
+ word = be32_to_cpu(rpl.type_to_neq);
+ pfres->neq = G_FW_PFVF_CMD_NEQ(word);
+ return 0;
+}
+