diff --git a/rpcs3/Emu/Cell/lv2/sys_fs.cpp b/rpcs3/Emu/Cell/lv2/sys_fs.cpp
index da5b959cd8..9bac3963c9 100644
--- a/rpcs3/Emu/Cell/lv2/sys_fs.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_fs.cpp
@@ -1649,7 +1649,10 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
 
 	case 0xc0000007: // cellFsArcadeHddSerialNumber
 	{
-		break;
+		const auto arg = vm::static_ptr_cast<lv2_file_c000007>(_arg);
+		// TODO populate arg-> unk1+2
+		arg->out_code = CELL_OK;
+		return CELL_OK;
 	}
 
 	case 0xc0000008: // cellFsSetDefaultContainer, cellFsSetIoBuffer, cellFsSetIoBufferFromDefaultContainer
@@ -1657,9 +1660,35 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
 		break;
 	}
 
-	case 0xc0000015: // Unknown
+	case 0xc0000015: // USB Vid/Pid lookup - Used by arcade games on dev_usbXXX
 	{
-		break;
+		const auto arg = vm::static_ptr_cast<lv2_file_c0000015>(_arg);
+
+		if (arg->size != 0x20u)
+		{
+			sys_fs.error("sys_fs_fcntl(0xc0000015): invalid size (0x%x)", arg->size);
+			break;
+		}
+
+		if (arg->_x4 != 0x10u || arg->_x8 != 0x18u)
+		{
+			sys_fs.error("sys_fs_fcntl(0xc0000015): invalid args (0x%x, 0x%x)", arg->_x4, arg->_x8);
+			break;
+		}
+
+		std::string_view vpath{ arg->name.get_ptr(), arg->name_size };
+		if (!vpath.starts_with("/dev_usb"sv))
+		{
+			arg->out_code = CELL_ENOTSUP;
+			break;
+		}
+
+		// TODO hook up to config for dev_usb
+		// arg->vendorID = 0x0000;
+		// arg->productID = 0x0000;
+
+		arg->out_code = CELL_OK;
+		return CELL_OK;
 	}
 
 	case 0xc0000016: // ps2disc_8160A811
@@ -1672,6 +1701,38 @@ error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32
 		break;
 	}
 
+	case 0xc000001c: // USB Vid/Pid/Serial lookup
+	{
+		const auto arg = vm::static_ptr_cast<lv2_file_c000001c>(_arg);
+
+		if (arg->size != 0x60u)
+		{
+			sys_fs.error("sys_fs_fcntl(0xc000001c): invalid size (0x%x)", arg->size);
+			break;
+		}
+
+		if (arg->_x4 != 0x10u || arg->_x8 != 0x18u)
+		{
+			sys_fs.error("sys_fs_fcntl(0xc000001c): invalid args (0x%x, 0x%x)", arg->_x4, arg->_x8);
+			break;
+		}
+
+		std::string_view vpath{ arg->name.get_ptr(), arg->name_size };
+		if (!vpath.starts_with("/dev_usb"sv))
+		{
+			arg->out_code = CELL_ENOTSUP;
+			break;
+		}
+
+		// TODO hook up to config for dev_usb
+		// arg->vendorID = 0x0000;
+		// arg->productID = 0x0000;
+		// arg->serial = "blabla"; // String needs to be encoded to utf-16 BE
+
+		arg->out_code = CELL_OK;
+		return CELL_OK;
+	}
+
 	case 0xc0000021: // 9FDBBA89
 	{
 		break;
diff --git a/rpcs3/Emu/Cell/lv2/sys_fs.h b/rpcs3/Emu/Cell/lv2/sys_fs.h
index 7399725ad3..ee8ebda2d4 100644
--- a/rpcs3/Emu/Cell/lv2/sys_fs.h
+++ b/rpcs3/Emu/Cell/lv2/sys_fs.h
@@ -435,6 +435,50 @@ struct lv2_file_c0000006 : lv2_file_op
 
 CHECK_SIZE(lv2_file_c0000006, 0x20);
 
+struct lv2_file_c000007 : lv2_file_op
+{
+	be_t<u32> out_code;
+	vm::bcptr<char> name;
+	be_t<u32> name_size; // 0x14
+	vm::bptr<char> unk1;
+	be_t<u32> unk1_size; //0x41
+	vm::bptr<char> unk2;
+	be_t<u32> unk2_size; //0x21
+};
+
+CHECK_SIZE(lv2_file_c000007, 0x1c);
+
+struct lv2_file_c0000015 : lv2_file_op
+{
+	be_t<u32> size; // 0x20
+	be_t<u32> _x4;  // 0x10
+	be_t<u32> _x8;  // 0x18 - offset of out_code
+	be_t<u32> name_size;
+	vm::bcptr<char> name;
+	be_t<u32> _x14; //
+	be_t<u16> vendorID;
+	be_t<u16> productID;
+	be_t<u32> out_code; // set to 0
+};
+
+CHECK_SIZE(lv2_file_c0000015, 0x20);
+
+struct lv2_file_c000001c : lv2_file_op
+{
+	be_t<u32> size; // 0x20
+	be_t<u32> _x4;  // 0x10
+	be_t<u32> _x8;  // 0x18 - offset of out_code
+	be_t<u32> name_size;
+	vm::bcptr<char> name;
+	be_t<u32> unk1;
+	be_t<u16> vendorID;
+	be_t<u16> productID;
+	be_t<u32> out_code; // set to 0
+	u8 serial[64];
+};
+
+CHECK_SIZE(lv2_file_c000001c, 0x60);
+
 // sys_fs_fcntl: cellFsAllocateFileAreaWithoutZeroFill
 struct lv2_file_e0000017 : lv2_file_op
 {