diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 83baac3..5b17d0f 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1640,6 +1640,7 @@ enum FW_BOOT_CONTEXT {
 #define MR_ATOMIC_DESCRIPTOR_SUPPORT_OFFSET	(1 << 24)
 
 #define MR_CAN_HANDLE_64_BIT_DMA_OFFSET		(1 << 25)
+#define MR_INTR_COALESCING_SUPPORT_OFFSET	(1 << 26)
 
 #define MEGASAS_WATCHDOG_THREAD_INTERVAL	1000
 #define MEGASAS_WAIT_FOR_NEXT_DMA_MSECS		20
@@ -2250,6 +2251,9 @@ enum MR_PD_TYPE {
 #define MR_DEFAULT_NVME_MDTS_KB		128
 #define MR_NVME_PAGE_SIZE_MASK		0x000000FF
 
+/*Aero performance parameters*/
+#define MR_HIGH_IOPS_QUEUE_COUNT	8
+
 struct megasas_instance {
 
 	unsigned int *reply_map;
@@ -2433,6 +2437,8 @@ struct megasas_instance {
 	bool atomic_desc_support;
 	bool support_seqnum_jbod_fp;
 	bool support_pci_lane_margining;
+	u8  low_latency_index_start;
+	bool balanced_mode;
 };
 
 struct MR_LD_VF_MAP {
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 4c7a093..2e3c7fd 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -5472,6 +5472,8 @@ megasas_setup_irqs_ioapic(struct megasas_instance *instance)
 				__func__, __LINE__);
 		return -1;
 	}
+	instance->balanced_mode = false;
+	instance->low_latency_index_start = 0;
 	return 0;
 }
 
@@ -5610,9 +5612,11 @@ megasas_setup_jbod_map(struct megasas_instance *instance)
 static void megasas_setup_reply_map(struct megasas_instance *instance)
 {
 	const struct cpumask *mask;
-	unsigned int queue, cpu;
+	unsigned int queue, cpu, low_latency_index_start;
 
-	for (queue = 0; queue < instance->msix_vectors; queue++) {
+	low_latency_index_start = instance->low_latency_index_start;
+
+	for (queue = low_latency_index_start; queue < instance->msix_vectors; queue++) {
 		mask = pci_irq_get_affinity(instance->pdev, queue);
 		if (!mask)
 			goto fallback;
@@ -5623,8 +5627,14 @@ static void megasas_setup_reply_map(struct megasas_instance *instance)
 	return;
 
 fallback:
-	for_each_possible_cpu(cpu)
-		instance->reply_map[cpu] = cpu % instance->msix_vectors;
+	queue = low_latency_index_start;
+	for_each_possible_cpu(cpu) {
+		instance->reply_map[cpu] = queue;
+		if (queue == (instance->msix_vectors - 1))
+			queue = low_latency_index_start;
+		else
+			queue++;
+	}
 }
 
 /**
@@ -5661,6 +5671,66 @@ int megasas_get_device_list(struct megasas_instance *instance)
 
 	return SUCCESS;
 }
+
+static int
+__megasas_alloc_irq_vectors(struct megasas_instance *instance)
+{
+	int i, irq_flags;
+	struct irq_affinity desc = { .pre_vectors = instance->low_latency_index_start };
+	struct irq_affinity *descp = &desc;
+
+	irq_flags = PCI_IRQ_MSIX;
+
+	if (instance->smp_affinity_enable)
+		irq_flags |= PCI_IRQ_AFFINITY;
+	else
+		descp = NULL;
+
+	i = pci_alloc_irq_vectors_affinity(instance->pdev,
+		instance->low_latency_index_start,
+		instance->msix_vectors, irq_flags, descp);
+
+	return i;
+}
+
+/**
+ * megasas_alloc_irq_vectors -	Allocate IRQ vectors/enable MSI-x vectors
+ * @instance:			Adapter soft state
+ * return:			void
+ */
+static void
+megasas_alloc_irq_vectors(struct megasas_instance *instance)
+{
+	int i;
+	unsigned int num_msix_req;
+
+	i = __megasas_alloc_irq_vectors(instance);
+
+	if (instance->balanced_mode && (i != instance->msix_vectors)) {
+		if (instance->msix_vectors)
+			pci_free_irq_vectors(instance->pdev);
+		/*Disable Balanced IOPs mode and try realloc vectors*/
+		instance->balanced_mode = false;
+		instance->low_latency_index_start = 1;
+		num_msix_req = num_online_cpus() + instance->low_latency_index_start;
+
+		instance->msix_vectors = min(num_msix_req,
+				instance->msix_vectors);
+
+		i = __megasas_alloc_irq_vectors(instance);
+
+	}
+
+	dev_info(&instance->pdev->dev,
+		"requested/available msix %d/%d\n", instance->msix_vectors, i);
+
+	if (i > 0)
+		instance->msix_vectors = i;
+	else
+		instance->msix_vectors = 0;
+
+}
+
 /**
  * megasas_init_fw -	Initializes the FW
  * @instance:		Adapter soft state
@@ -5680,6 +5750,8 @@ static int megasas_init_fw(struct megasas_instance *instance)
 	int i, j, loop;
 	struct IOV_111 *iovPtr;
 	struct fusion_context *fusion;
+	bool intr_coalescing;
+	unsigned int num_msix_req;
 
 	fusion = instance->ctrl_context;
 
@@ -5799,7 +5871,6 @@ static int megasas_init_fw(struct megasas_instance *instance)
 	msix_enable = (instance->instancet->read_fw_status_reg(instance) &
 		       0x4000000) >> 0x1a;
 	if (msix_enable && !msix_disable) {
-		int irq_flags = PCI_IRQ_MSIX;
 
 		scratch_pad_1 = megasas_readl
 			(instance, &instance->reg_set->outbound_scratch_pad_1);
@@ -5865,19 +5936,49 @@ static int megasas_init_fw(struct megasas_instance *instance)
 		} else /* MFI adapters */
 			instance->msix_vectors = 1;
 
-		/* Don't bother allocating more MSI-X vectors than cpus */
-		instance->msix_vectors = min(instance->msix_vectors,
-					     (unsigned int)num_online_cpus());
-		if (instance->smp_affinity_enable)
-			irq_flags |= PCI_IRQ_AFFINITY;
-		i = pci_alloc_irq_vectors(instance->pdev, 1,
-					  instance->msix_vectors, irq_flags);
-		if (i > 0) {
-			instance->msix_vectors = i;
-		} else {
-			instance->msix_vectors = 0;
+
+		/*
+		 * For Aero(if few conditions are met), driver will configure
+		 * few additional reply queues with interrupt coalescing enabled.
+		 * These queues with interrupt coalescing enabled are called
+		 * High IOPs queues and rest of reply queues(based on number of
+		 * logical CPUs) are termed as Low latency queues.
+		 *
+		 * Total Number of reply queues = High IOPs queues + low latency queues
+		 *
+		 * For rest of fusion adapters, 1 additional reply queue will be
+		 * reserved for management commands, rest of reply queues
+		 * (based on number of logical CPUs) will be used for IOs and
+		 * referenced as IO queues.
+		 * Total Number of reply queues = 1 + IO queues
+		 *
+		 * MFI adapters supports single MSI-x so single reply queue
+		 * will be used for IO and management commands.
+		 */
+
+		intr_coalescing = (scratch_pad_1 & MR_INTR_COALESCING_SUPPORT_OFFSET) ?
+								true : false;
+		if (intr_coalescing &&
+			(num_online_cpus() >= MR_HIGH_IOPS_QUEUE_COUNT) &&
+			(instance->msix_vectors == MEGASAS_MAX_MSIX_QUEUES))
+			instance->balanced_mode = true;
+		else
+			instance->balanced_mode = false;
+
+		if (instance->balanced_mode)
+			instance->low_latency_index_start =
+				MR_HIGH_IOPS_QUEUE_COUNT;
+		else
+			instance->low_latency_index_start = 1;
+
+		num_msix_req = num_online_cpus() + instance->low_latency_index_start;
+
+		instance->msix_vectors = min(num_msix_req,
+				instance->msix_vectors);
+
+		megasas_alloc_irq_vectors(instance);
+		if (!instance->msix_vectors)
 			instance->msix_load_balance = false;
-		}
 	}
 	/*
 	 * MSI-X host index 0 is common for all adapter.
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index e124341..44bfbe8 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1058,6 +1058,7 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
 	u32 scratch_pad_1;
 	ktime_t time;
 	bool cur_fw_64bit_dma_capable;
+	bool cur_intr_coalescing;
 
 	fusion = instance->ctrl_context;
 
@@ -1091,6 +1092,16 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
 		goto fail_fw_init;
 	}
 
+	cur_intr_coalescing = (scratch_pad_1 & MR_INTR_COALESCING_SUPPORT_OFFSET) ?
+							true : false;
+
+	if ((instance->low_latency_index_start ==
+		MR_HIGH_IOPS_QUEUE_COUNT) && cur_intr_coalescing)
+		instance->balanced_mode = true;
+
+	dev_info(&instance->pdev->dev, "Balanced mode :%s\n",
+		instance->balanced_mode ? "Yes" : "No");
+
 	instance->fw_sync_cache_support = (scratch_pad_1 &
 		MR_CAN_HANDLE_SYNC_CACHE_OFFSET) ? 1 : 0;
 	dev_info(&instance->pdev->dev, "FW supports sync cache\t: %s\n",
