[avpatel:riscv_trace_support_v5 86/108] arch/riscv/include/asm/sbi.h:799:5: warning: no previous prototype for 'sbi_mpxy_read_attrs'

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/avpatel/linux.git riscv_trace_support_v5
head:   e58ea3f194d326370813c549a76ecdfa211a4768
commit: a81b95aa56abb5c8e32d24bcdd6d51cc998f1fcf [86/108] RISC-V: Move common MPXY helper routines to arch/riscv
config: riscv-randconfig-r073-20260819 (https://download.01.org/0day-ci/archive/20260819/202608191132.4OQ2akyI-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 16.1.0
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260819/202608191132.4OQ2akyI-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608191132.4OQ2akyI-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/riscv/include/asm/kvm_vcpu_sbi_fwft.h:12,
                    from arch/riscv/include/asm/kvm_host.h:25,
                    from arch/riscv/kernel/asm-offsets.c:13:
>> arch/riscv/include/asm/sbi.h:799:5: warning: no previous prototype for 'sbi_mpxy_read_attrs' [-Wmissing-prototypes]
     799 | int sbi_mpxy_read_attrs(u32 channel_id, u32 base_attrid, u32 attr_count,
         |     ^~~~~~~~~~~~~~~~~~~
>> arch/riscv/include/asm/sbi.h:805:5: warning: no previous prototype for 'sbi_mpxy_write_attrs' [-Wmissing-prototypes]
     805 | int sbi_mpxy_write_attrs(u32 channel_id, u32 base_attrid, u32 attr_count,
         |     ^~~~~~~~~~~~~~~~~~~~
>> arch/riscv/include/asm/sbi.h:811:5: warning: no previous prototype for 'sbi_mpxy_send_message_with_resp' [-Wmissing-prototypes]
     811 | int sbi_mpxy_send_message_with_resp(u32 channel_id, u32 msg_id,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/riscv/include/asm/sbi.h:819:5: warning: no previous prototype for 'sbi_mpxy_send_message_without_resp' [-Wmissing-prototypes]
     819 | int sbi_mpxy_send_message_without_resp(u32 channel_id, u32 msg_id,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/sbi.h:826:39: warning: 'struct sbi_mpxy_notification_data' declared inside parameter list will not be visible outside of this definition or declaration
     826 |                                struct sbi_mpxy_notification_data *notif_data,
         |                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/riscv/include/asm/sbi.h:825:5: warning: no previous prototype for 'sbi_mpxy_get_notifications' [-Wmissing-prototypes]
     825 | int sbi_mpxy_get_notifications(u32 channel_id,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~
--
   In file included from arch/riscv/include/asm/kvm_vcpu_sbi_fwft.h:12,
                    from arch/riscv/include/asm/kvm_host.h:25,
                    from arch/riscv/kernel/asm-offsets.c:13:
>> arch/riscv/include/asm/sbi.h:799:5: warning: no previous prototype for 'sbi_mpxy_read_attrs' [-Wmissing-prototypes]
     799 | int sbi_mpxy_read_attrs(u32 channel_id, u32 base_attrid, u32 attr_count,
         |     ^~~~~~~~~~~~~~~~~~~
>> arch/riscv/include/asm/sbi.h:805:5: warning: no previous prototype for 'sbi_mpxy_write_attrs' [-Wmissing-prototypes]
     805 | int sbi_mpxy_write_attrs(u32 channel_id, u32 base_attrid, u32 attr_count,
         |     ^~~~~~~~~~~~~~~~~~~~
>> arch/riscv/include/asm/sbi.h:811:5: warning: no previous prototype for 'sbi_mpxy_send_message_with_resp' [-Wmissing-prototypes]
     811 | int sbi_mpxy_send_message_with_resp(u32 channel_id, u32 msg_id,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/riscv/include/asm/sbi.h:819:5: warning: no previous prototype for 'sbi_mpxy_send_message_without_resp' [-Wmissing-prototypes]
     819 | int sbi_mpxy_send_message_without_resp(u32 channel_id, u32 msg_id,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/sbi.h:826:39: warning: 'struct sbi_mpxy_notification_data' declared inside parameter list will not be visible outside of this definition or declaration
     826 |                                struct sbi_mpxy_notification_data *notif_data,
         |                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/riscv/include/asm/sbi.h:825:5: warning: no previous prototype for 'sbi_mpxy_get_notifications' [-Wmissing-prototypes]
     825 | int sbi_mpxy_get_notifications(u32 channel_id,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/sbi_mpxy_read_attrs +799 arch/riscv/include/asm/sbi.h

   798	
 > 799	int sbi_mpxy_read_attrs(u32 channel_id, u32 base_attrid, u32 attr_count,
   800				u32 *attrs_buf)
   801	{
   802		return -ENODEV;
   803	}
   804	
 > 805	int sbi_mpxy_write_attrs(u32 channel_id, u32 base_attrid, u32 attr_count,
   806				 u32 *attrs_buf)
   807	{
   808		return -ENODEV;
   809	}
   810	
 > 811	int sbi_mpxy_send_message_with_resp(u32 channel_id, u32 msg_id,
   812					    void *tx, unsigned long tx_len,
   813					    void *rx, unsigned long max_rx_len,
   814					    unsigned long *rx_len)
   815	{
   816		return -ENODEV;
   817	}
   818	
 > 819	int sbi_mpxy_send_message_without_resp(u32 channel_id, u32 msg_id,
   820					       void *tx, unsigned long tx_len)
   821	{
   822		return -ENODEV;
   823	}
   824	
 > 825	int sbi_mpxy_get_notifications(u32 channel_id,
   826				       struct sbi_mpxy_notification_data *notif_data,
   827				       unsigned long *events_data_len)
   828	{
   829		return -ENODEV;
   830	}
   831	

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