diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 730cc897b94d..a0f8373f3b5f 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -707,6 +707,7 @@ static const struct event_reg {
 	EV_GLB(SWITCHTEC_IOCTL_EVENT_CLI_MRPC_COMP_ASYNC,
 	       cli_mrpc_comp_async_hdr),
 	EV_GLB(SWITCHTEC_IOCTL_EVENT_GPIO_INT, gpio_interrupt_hdr),
+	EV_GLB(SWITCHTEC_IOCTL_EVENT_GFMS, gfms_event_hdr),
 	EV_PAR(SWITCHTEC_IOCTL_EVENT_PART_RESET, part_reset_hdr),
 	EV_PAR(SWITCHTEC_IOCTL_EVENT_MRPC_COMP, mrpc_comp_hdr),
 	EV_PAR(SWITCHTEC_IOCTL_EVENT_MRPC_COMP_ASYNC, mrpc_comp_async_hdr),
@@ -1352,6 +1353,8 @@ static const struct pci_device_id switchtec_pci_tbl[] = {
 	SWITCHTEC_PCI_DEVICE(0x8534),  //PFX 64xG3
 	SWITCHTEC_PCI_DEVICE(0x8535),  //PFX 80xG3
 	SWITCHTEC_PCI_DEVICE(0x8536),  //PFX 96xG3
+	SWITCHTEC_PCI_DEVICE(0x8541),  //PSX 24xG3
+	SWITCHTEC_PCI_DEVICE(0x8542),  //PSX 32xG3
 	SWITCHTEC_PCI_DEVICE(0x8543),  //PSX 48xG3
 	SWITCHTEC_PCI_DEVICE(0x8544),  //PSX 64xG3
 	SWITCHTEC_PCI_DEVICE(0x8545),  //PSX 80xG3
diff --git a/include/linux/switchtec.h b/include/linux/switchtec.h
index 09d73d0d1aa8..42d121174fe2 100644
--- a/include/linux/switchtec.h
+++ b/include/linux/switchtec.h
@@ -100,6 +100,9 @@ struct sw_event_regs {
 	u32 gpio_interrupt_hdr;
 	u32 gpio_interrupt_data;
 	u32 reserved16[4];
+	u32 gfms_event_hdr;
+	u32 gfms_event_data;
+	u32 reserved17[4];
 } __packed;
 
 enum {
diff --git a/include/uapi/linux/switchtec_ioctl.h b/include/uapi/linux/switchtec_ioctl.h
index 75df44373034..4f4daf8db954 100644
--- a/include/uapi/linux/switchtec_ioctl.h
+++ b/include/uapi/linux/switchtec_ioctl.h
@@ -88,7 +88,8 @@ struct switchtec_ioctl_event_summary {
 #define SWITCHTEC_IOCTL_EVENT_FORCE_SPEED		26
 #define SWITCHTEC_IOCTL_EVENT_CREDIT_TIMEOUT		27
 #define SWITCHTEC_IOCTL_EVENT_LINK_STATE		28
-#define SWITCHTEC_IOCTL_MAX_EVENTS			29
+#define SWITCHTEC_IOCTL_EVENT_GFMS			29
+#define SWITCHTEC_IOCTL_MAX_EVENTS			30
 
 #define SWITCHTEC_IOCTL_EVENT_LOCAL_PART_IDX -1
 #define SWITCHTEC_IOCTL_EVENT_IDX_ALL -2