diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 28002936a0cb..4deb6c88e199 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -46,6 +46,7 @@ extern const char ice_drv_ver[];
 #define ICE_INT_NAME_STR_LEN	(IFNAMSIZ + 16)
 #define ICE_ETHTOOL_FWVER_LEN	32
 #define ICE_AQ_LEN		64
+#define ICE_MBXQ_LEN		64
 #define ICE_MIN_MSIX		2
 #define ICE_NO_VSI		0xffff
 #define ICE_MAX_VSI_ALLOC	130
@@ -63,6 +64,7 @@ extern const char ice_drv_ver[];
 #define ICE_RES_MISC_VEC_ID	(ICE_RES_VALID_BIT - 1)
 #define ICE_INVAL_Q_INDEX	0xffff
 #define ICE_INVAL_VFID		256
+#define ICE_MAX_VF_COUNT	256
 
 #define ICE_VSIQF_HKEY_ARRAY_SIZE	((VSIQF_HKEY_MAX_INDEX + 1) *	4)
 
@@ -134,6 +136,7 @@ enum ice_state {
 	__ICE_SUSPENDED,		/* set on module remove path */
 	__ICE_RESET_FAILED,		/* set by reset/rebuild */
 	__ICE_ADMINQ_EVENT_PENDING,
+	__ICE_MAILBOXQ_EVENT_PENDING,
 	__ICE_MDD_EVENT_PENDING,
 	__ICE_FLTR_OVERFLOW_PROMISC,
 	__ICE_CFG_BUSY,
@@ -240,6 +243,7 @@ enum ice_pf_flags {
 	ICE_FLAG_MSIX_ENA,
 	ICE_FLAG_FLTR_SYNC,
 	ICE_FLAG_RSS_ENA,
+	ICE_FLAG_SRIOV_CAPABLE,
 	ICE_PF_FLAGS_NBITS		/* must be last */
 };
 
@@ -255,6 +259,7 @@ struct ice_pf {
 
 	struct ice_vsi **vsi;		/* VSIs created by the driver */
 	struct ice_sw *first_sw;	/* first switch created by firmware */
+	u16 num_vfs_supported;		/* num VFs supported for this PF */
 	DECLARE_BITMAP(state, __ICE_STATE_NBITS);
 	DECLARE_BITMAP(avail_txqs, ICE_MAX_TXQS);
 	DECLARE_BITMAP(avail_rxqs, ICE_MAX_RXQS);
diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
index c100b4bda195..7d793cc96a18 100644
--- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
+++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
@@ -87,6 +87,8 @@ struct ice_aqc_list_caps {
 /* Device/Function buffer entry, repeated per reported capability */
 struct ice_aqc_list_caps_elem {
 	__le16 cap;
+#define ICE_AQC_CAPS_SRIOV				0x0012
+#define ICE_AQC_CAPS_VF					0x0013
 #define ICE_AQC_CAPS_VSI				0x0017
 #define ICE_AQC_CAPS_RSS				0x0040
 #define ICE_AQC_CAPS_RXQS				0x0041
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index e9e5c601b321..4612d5fa9416 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -1406,6 +1406,28 @@ ice_parse_caps(struct ice_hw *hw, void *buf, u32 cap_count,
 		u16 cap = le16_to_cpu(cap_resp->cap);
 
 		switch (cap) {
+		case ICE_AQC_CAPS_SRIOV:
+			caps->sr_iov_1_1 = (number == 1);
+			ice_debug(hw, ICE_DBG_INIT,
+				  "HW caps: SR-IOV = %d\n", caps->sr_iov_1_1);
+			break;
+		case ICE_AQC_CAPS_VF:
+			if (dev_p) {
+				dev_p->num_vfs_exposed = number;
+				ice_debug(hw, ICE_DBG_INIT,
+					  "HW caps: VFs exposed = %d\n",
+					  dev_p->num_vfs_exposed);
+			} else if (func_p) {
+				func_p->num_allocd_vfs = number;
+				func_p->vf_base_id = logical_id;
+				ice_debug(hw, ICE_DBG_INIT,
+					  "HW caps: VFs allocated = %d\n",
+					  func_p->num_allocd_vfs);
+				ice_debug(hw, ICE_DBG_INIT,
+					  "HW caps: VF base_id = %d\n",
+					  func_p->vf_base_id);
+			}
+			break;
 		case ICE_AQC_CAPS_VSI:
 			if (dev_p) {
 				dev_p->num_vsi_allocd_to_host = number;
diff --git a/drivers/net/ethernet/intel/ice/ice_controlq.c b/drivers/net/ethernet/intel/ice/ice_controlq.c
index b25ce4f587f5..84c967294eaf 100644
--- a/drivers/net/ethernet/intel/ice/ice_controlq.c
+++ b/drivers/net/ethernet/intel/ice/ice_controlq.c
@@ -32,6 +32,36 @@ static void ice_adminq_init_regs(struct ice_hw *hw)
 	cq->rq.head_mask = PF_FW_ARQH_ARQH_M;
 }
 
+/**
+ * ice_mailbox_init_regs - Initialize Mailbox registers
+ * @hw: pointer to the hardware structure
+ *
+ * This assumes the alloc_sq and alloc_rq functions have already been called
+ */
+static void ice_mailbox_init_regs(struct ice_hw *hw)
+{
+	struct ice_ctl_q_info *cq = &hw->mailboxq;
+
+	/* set head and tail registers in our local struct */
+	cq->sq.head = PF_MBX_ATQH;
+	cq->sq.tail = PF_MBX_ATQT;
+	cq->sq.len = PF_MBX_ATQLEN;
+	cq->sq.bah = PF_MBX_ATQBAH;
+	cq->sq.bal = PF_MBX_ATQBAL;
+	cq->sq.len_mask = PF_MBX_ATQLEN_ATQLEN_M;
+	cq->sq.len_ena_mask = PF_MBX_ATQLEN_ATQENABLE_M;
+	cq->sq.head_mask = PF_MBX_ATQH_ATQH_M;
+
+	cq->rq.head = PF_MBX_ARQH;
+	cq->rq.tail = PF_MBX_ARQT;
+	cq->rq.len = PF_MBX_ARQLEN;
+	cq->rq.bah = PF_MBX_ARQBAH;
+	cq->rq.bal = PF_MBX_ARQBAL;
+	cq->rq.len_mask = PF_MBX_ARQLEN_ARQLEN_M;
+	cq->rq.len_ena_mask = PF_MBX_ARQLEN_ARQENABLE_M;
+	cq->rq.head_mask = PF_MBX_ARQH_ARQH_M;
+}
+
 /**
  * ice_check_sq_alive
  * @hw: pointer to the hw struct
@@ -639,6 +669,10 @@ static enum ice_status ice_init_ctrlq(struct ice_hw *hw, enum ice_ctl_q q_type)
 		ice_adminq_init_regs(hw);
 		cq = &hw->adminq;
 		break;
+	case ICE_CTL_Q_MAILBOX:
+		ice_mailbox_init_regs(hw);
+		cq = &hw->mailboxq;
+		break;
 	default:
 		return ICE_ERR_PARAM;
 	}
@@ -696,7 +730,12 @@ enum ice_status ice_init_all_ctrlq(struct ice_hw *hw)
 	if (ret_code)
 		return ret_code;
 
-	return ice_init_check_adminq(hw);
+	ret_code = ice_init_check_adminq(hw);
+	if (ret_code)
+		return ret_code;
+
+	/* Init Mailbox queue */
+	return ice_init_ctrlq(hw, ICE_CTL_Q_MAILBOX);
 }
 
 /**
@@ -714,6 +753,9 @@ static void ice_shutdown_ctrlq(struct ice_hw *hw, enum ice_ctl_q q_type)
 		if (ice_check_sq_alive(hw, cq))
 			ice_aq_q_shutdown(hw, true);
 		break;
+	case ICE_CTL_Q_MAILBOX:
+		cq = &hw->mailboxq;
+		break;
 	default:
 		return;
 	}
@@ -736,6 +778,8 @@ void ice_shutdown_all_ctrlq(struct ice_hw *hw)
 {
 	/* Shutdown FW admin queue */
 	ice_shutdown_ctrlq(hw, ICE_CTL_Q_ADMIN);
+	/* Shutdown PF-VF Mailbox */
+	ice_shutdown_ctrlq(hw, ICE_CTL_Q_MAILBOX);
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ice/ice_controlq.h b/drivers/net/ethernet/intel/ice/ice_controlq.h
index ea02b89243e2..437f832fd7c4 100644
--- a/drivers/net/ethernet/intel/ice/ice_controlq.h
+++ b/drivers/net/ethernet/intel/ice/ice_controlq.h
@@ -8,6 +8,7 @@
 
 /* Maximum buffer lengths for all control queue types */
 #define ICE_AQ_MAX_BUF_LEN 4096
+#define ICE_MBXQ_MAX_BUF_LEN 4096
 
 #define ICE_CTL_Q_DESC(R, i) \
 	(&(((struct ice_aq_desc *)((R).desc_buf.va))[i]))
@@ -28,6 +29,7 @@
 enum ice_ctl_q {
 	ICE_CTL_Q_UNKNOWN = 0,
 	ICE_CTL_Q_ADMIN,
+	ICE_CTL_Q_MAILBOX,
 };
 
 /* Control Queue default settings */
diff --git a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
index 9a78d83eaa3e..c2d867b756ef 100644
--- a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
+++ b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
@@ -29,6 +29,22 @@
 #define PF_FW_ATQLEN_ATQCRIT_M			BIT(30)
 #define PF_FW_ATQLEN_ATQENABLE_M		BIT(31)
 #define PF_FW_ATQT				0x00080400
+#define PF_MBX_ARQBAH				0x0022E400
+#define PF_MBX_ARQBAL				0x0022E380
+#define PF_MBX_ARQH				0x0022E500
+#define PF_MBX_ARQH_ARQH_M			ICE_M(0x3FF, 0)
+#define PF_MBX_ARQLEN				0x0022E480
+#define PF_MBX_ARQLEN_ARQLEN_M			ICE_M(0x3FF, 0)
+#define PF_MBX_ARQLEN_ARQENABLE_M		BIT(31)
+#define PF_MBX_ARQT				0x0022E580
+#define PF_MBX_ATQBAH				0x0022E180
+#define PF_MBX_ATQBAL				0x0022E100
+#define PF_MBX_ATQH				0x0022E280
+#define PF_MBX_ATQH_ATQH_M			ICE_M(0x3FF, 0)
+#define PF_MBX_ATQLEN				0x0022E200
+#define PF_MBX_ATQLEN_ATQLEN_M			ICE_M(0x3FF, 0)
+#define PF_MBX_ATQLEN_ATQENABLE_M		BIT(31)
+#define PF_MBX_ATQT				0x0022E300
 #define GLFLXP_RXDID_FLAGS(_i, _j)		(0x0045D000 + ((_i) * 4 + (_j) * 256))
 #define GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_S	0
 #define GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_M	ICE_M(0x3F, 0)
@@ -95,6 +111,11 @@
 #define PFINT_FW_CTL_ITR_INDX_S			11
 #define PFINT_FW_CTL_ITR_INDX_M			ICE_M(0x3, 11)
 #define PFINT_FW_CTL_CAUSE_ENA_M		BIT(30)
+#define PFINT_MBX_CTL				0x0016B280
+#define PFINT_MBX_CTL_MSIX_INDX_M		ICE_M(0x7FF, 0)
+#define PFINT_MBX_CTL_ITR_INDX_S		11
+#define PFINT_MBX_CTL_ITR_INDX_M		ICE_M(0x3, 11)
+#define PFINT_MBX_CTL_CAUSE_ENA_M		BIT(30)
 #define PFINT_OICR				0x0016CA00
 #define PFINT_OICR_ECC_ERR_M			BIT(16)
 #define PFINT_OICR_MAL_DETECT_M			BIT(19)
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 4aa6b849a6cc..59bcf5edd447 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -711,6 +711,10 @@ static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type)
 		cq = &hw->adminq;
 		qtype = "Admin";
 		break;
+	case ICE_CTL_Q_MAILBOX:
+		cq = &hw->mailboxq;
+		qtype = "Mailbox";
+		break;
 	default:
 		dev_warn(&pf->pdev->dev, "Unknown control queue type 0x%x\n",
 			 q_type);
@@ -850,6 +854,28 @@ static void ice_clean_adminq_subtask(struct ice_pf *pf)
 	ice_flush(hw);
 }
 
+/**
+ * ice_clean_mailboxq_subtask - clean the MailboxQ rings
+ * @pf: board private structure
+ */
+static void ice_clean_mailboxq_subtask(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+
+	if (!test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state))
+		return;
+
+	if (__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX))
+		return;
+
+	clear_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state);
+
+	if (ice_ctrlq_pending(hw, &hw->mailboxq))
+		__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX);
+
+	ice_flush(hw);
+}
+
 /**
  * ice_service_task_schedule - schedule the service task to wake up
  * @pf: board private structure
@@ -1040,6 +1066,7 @@ static void ice_service_task(struct work_struct *work)
 	ice_handle_mdd_event(pf);
 	ice_watchdog_subtask(pf);
 	ice_clean_adminq_subtask(pf);
+	ice_clean_mailboxq_subtask(pf);
 
 	/* Clear __ICE_SERVICE_SCHED flag to allow scheduling next event */
 	ice_service_task_complete(pf);
@@ -1050,6 +1077,7 @@ static void ice_service_task(struct work_struct *work)
 	 */
 	if (time_after(jiffies, (start_time + pf->serv_tmr_period)) ||
 	    test_bit(__ICE_MDD_EVENT_PENDING, pf->state) ||
+	    test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state) ||
 	    test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state))
 		mod_timer(&pf->serv_tmr, jiffies);
 }
@@ -1064,6 +1092,10 @@ static void ice_set_ctrlq_len(struct ice_hw *hw)
 	hw->adminq.num_sq_entries = ICE_AQ_LEN;
 	hw->adminq.rq_buf_size = ICE_AQ_MAX_BUF_LEN;
 	hw->adminq.sq_buf_size = ICE_AQ_MAX_BUF_LEN;
+	hw->mailboxq.num_rq_entries = ICE_MBXQ_LEN;
+	hw->mailboxq.num_sq_entries = ICE_MBXQ_LEN;
+	hw->mailboxq.rq_buf_size = ICE_MBXQ_MAX_BUF_LEN;
+	hw->mailboxq.sq_buf_size = ICE_MBXQ_MAX_BUF_LEN;
 }
 
 /**
@@ -1220,6 +1252,7 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
 	u32 oicr, ena_mask;
 
 	set_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state);
+	set_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state);
 
 	oicr = rd32(hw, PFINT_OICR);
 	ena_mask = rd32(hw, PFINT_OICR_ENA);
@@ -1406,6 +1439,11 @@ static int ice_req_irq_msix_misc(struct ice_pf *pf)
 	       PFINT_FW_CTL_CAUSE_ENA_M);
 	wr32(hw, PFINT_FW_CTL, val);
 
+	/* This enables Mailbox queue Interrupt causes */
+	val = ((pf->hw_oicr_idx & PFINT_MBX_CTL_MSIX_INDX_M) |
+	       PFINT_MBX_CTL_CAUSE_ENA_M);
+	wr32(hw, PFINT_MBX_CTL, val);
+
 	itr_gran = hw->itr_gran;
 
 	wr32(hw, GLINT_ITR(ICE_RX_ITR, pf->hw_oicr_idx),
@@ -1775,6 +1813,15 @@ static void ice_init_pf(struct ice_pf *pf)
 {
 	bitmap_zero(pf->flags, ICE_PF_FLAGS_NBITS);
 	set_bit(ICE_FLAG_MSIX_ENA, pf->flags);
+#ifdef CONFIG_PCI_IOV
+	if (pf->hw.func_caps.common_cap.sr_iov_1_1) {
+		struct ice_hw *hw = &pf->hw;
+
+		set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
+		pf->num_vfs_supported = min_t(int, hw->func_caps.num_allocd_vfs,
+					      ICE_MAX_VF_COUNT);
+	}
+#endif /* CONFIG_PCI_IOV */
 
 	mutex_init(&pf->sw_mutex);
 	mutex_init(&pf->avail_q_mutex);
diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h
index f5c8de0ed0eb..6d053fb5f941 100644
--- a/drivers/net/ethernet/intel/ice/ice_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_type.h
@@ -84,6 +84,7 @@ enum ice_media_type {
 
 enum ice_vsi_type {
 	ICE_VSI_PF = 0,
+	ICE_VSI_VF,
 };
 
 struct ice_link_status {
@@ -127,6 +128,8 @@ struct ice_hw_common_caps {
 	/* Max MTU for function or device */
 	u16 max_mtu;
 
+	/* Virtualization support */
+	u8 sr_iov_1_1;			/* SR-IOV enabled */
 	/* RSS related capabilities */
 	u16 rss_table_size;		/* 512 for PFs and 64 for VFs */
 	u8 rss_table_entry_width;	/* RSS Entry width in bits */
@@ -135,12 +138,15 @@ struct ice_hw_common_caps {
 /* Function specific capabilities */
 struct ice_hw_func_caps {
 	struct ice_hw_common_caps common_cap;
+	u32 num_allocd_vfs;		/* Number of allocated VFs */
+	u32 vf_base_id;			/* Logical ID of the first VF */
 	u32 guaranteed_num_vsi;
 };
 
 /* Device wide capabilities */
 struct ice_hw_dev_caps {
 	struct ice_hw_common_caps common_cap;
+	u32 num_vfs_exposed;		/* Total number of VFs exposed */
 	u32 num_vsi_allocd_to_host;	/* Excluding EMP VSI */
 };
 
@@ -321,6 +327,7 @@ struct ice_hw {
 
 	/* Control Queue info */
 	struct ice_ctl_q_info adminq;
+	struct ice_ctl_q_info mailboxq;
 
 	u8 api_branch;		/* API branch version */
 	u8 api_maj_ver;		/* API major version */
