tree: https://github.com/avpatel/linux.git riscv_kvm_v10 head: adf8e35ae72bfdf0ce6f00f7c30923ea8f791748 commit: 522547d7acac1b1d65bb7567415ea038ba02381d [6/31] RISC-V: Implement new SBI v0.2 extensions config: riscv-allnoconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 522547d7acac1b1d65bb7567415ea038ba02381d # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): %u In file included from include/linux/printk.h:7:0, from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/pm.h:11, from arch/riscv/kernel/sbi.c:4: arch/riscv/kernel/sbi.c: In function '__sbi_send_ipi_dummy_warn': include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:12:22: note: in expansion of macro 'KERN_SOH' #define KERN_WARNING KERN_SOH "4" /* warning conditions */ ^~~~~~~~ include/linux/printk.h:306:9: note: in expansion of macro 'KERN_WARNING' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~ include/linux/printk.h:307:17: note: in expansion of macro 'pr_warning' #define pr_warn pr_warning ^~~~~~~~~~ arch/riscv/kernel/sbi.c:71:2: note: in expansion of macro 'pr_warn' pr_warn("IPI extension is not available in SBI v%lu.%lu\n", ^~~~~~~ arch/riscv/kernel/sbi.c:71:52: note: format string is defined here pr_warn("IPI extension is not available in SBI v%lu.%lu\n", ~~^ %u In file included from include/linux/printk.h:7:0, from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/pm.h:11, from arch/riscv/kernel/sbi.c:4: include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:12:22: note: in expansion of macro 'KERN_SOH' #define KERN_WARNING KERN_SOH "4" /* warning conditions */ ^~~~~~~~ include/linux/printk.h:306:9: note: in expansion of macro 'KERN_WARNING' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~ include/linux/printk.h:307:17: note: in expansion of macro 'pr_warning' #define pr_warn pr_warning ^~~~~~~~~~ arch/riscv/kernel/sbi.c:71:2: note: in expansion of macro 'pr_warn' pr_warn("IPI extension is not available in SBI v%lu.%lu\n", ^~~~~~~ arch/riscv/kernel/sbi.c:71:56: note: format string is defined here pr_warn("IPI extension is not available in SBI v%lu.%lu\n", ~~^ %u In file included from include/linux/printk.h:7:0, from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/pm.h:11, from arch/riscv/kernel/sbi.c:4: arch/riscv/kernel/sbi.c: In function '__sbi_rfence_dummy_warn': include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:12:22: note: in expansion of macro 'KERN_SOH' #define KERN_WARNING KERN_SOH "4" /* warning conditions */ ^~~~~~~~ include/linux/printk.h:306:9: note: in expansion of macro 'KERN_WARNING' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~ include/linux/printk.h:307:17: note: in expansion of macro 'pr_warning' #define pr_warn pr_warning ^~~~~~~~~~ arch/riscv/kernel/sbi.c:83:2: note: in expansion of macro 'pr_warn' pr_warn("remote fence extension is not available in SBI v%lu.%lu\n", ^~~~~~~ arch/riscv/kernel/sbi.c:83:61: note: format string is defined here pr_warn("remote fence extension is not available in SBI v%lu.%lu\n", ~~^ %u In file included from include/linux/printk.h:7:0, from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/pm.h:11, from arch/riscv/kernel/sbi.c:4: include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:12:22: note: in expansion of macro 'KERN_SOH' #define KERN_WARNING KERN_SOH "4" /* warning conditions */ ^~~~~~~~ include/linux/printk.h:306:9: note: in expansion of macro 'KERN_WARNING' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~ include/linux/printk.h:307:17: note: in expansion of macro 'pr_warning' #define pr_warn pr_warning ^~~~~~~~~~ arch/riscv/kernel/sbi.c:83:2: note: in expansion of macro 'pr_warn' pr_warn("remote fence extension is not available in SBI v%lu.%lu\n", ^~~~~~~ arch/riscv/kernel/sbi.c:83:65: note: format string is defined here pr_warn("remote fence extension is not available in SBI v%lu.%lu\n", ~~^ %u arch/riscv/kernel/sbi.c: In function '__sbi_set_timer_v02': sbi_ecall(SBI_EXT_TIME, SBI_EXT_TIME_SET_TIMER, stime_value, 0, ^~~~~~~~~~~~ STA_PPSTIME sbi_ecall(SBI_EXT_TIME, SBI_EXT_TIME_SET_TIMER, stime_value, 0, ^~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_TIME arch/riscv/kernel/sbi.c: In function '__sbi_send_ipi_v02': struct sbiret ret = {0}; ^~~~~~ arch/riscv/kernel/sbi.c:222:23: warning: excess elements in struct initializer struct sbiret ret = {0}; ^ arch/riscv/kernel/sbi.c:222:23: note: (near initialization for 'ret') arch/riscv/kernel/sbi.c:222:16: error: storage size of 'ret' isn't known struct sbiret ret = {0}; ^~~ ret = sbi_ecall(SBI_EXT_IPI, SBI_EXT_IPI_SEND_IPI, hmask_val, ^~~~~~~~~~~ arch/riscv/kernel/sbi.c:230:31: error: 'SBI_EXT_IPI_SEND_IPI' undeclared (first use in this function); did you mean 'SBI_EXT_IPI'? ret = sbi_ecall(SBI_EXT_IPI, SBI_EXT_IPI_SEND_IPI, hmask_val, ^~~~~~~~~~~~~~~~~~~~ SBI_EXT_IPI arch/riscv/kernel/sbi.c:222:16: warning: unused variable 'ret' [-Wunused-variable] struct sbiret ret = {0}; ^~~ arch/riscv/kernel/sbi.c: In function '__sbi_rfence_v02': arch/riscv/kernel/sbi.c:249:9: error: variable 'ret' has initializer but incomplete type struct sbiret ret = {0}; ^~~~~~ arch/riscv/kernel/sbi.c:249:23: warning: excess elements in struct initializer struct sbiret ret = {0}; ^ arch/riscv/kernel/sbi.c:249:23: note: (near initialization for 'ret') arch/riscv/kernel/sbi.c:249:16: error: storage size of 'ret' isn't known struct sbiret ret = {0}; ^~~ unsigned long ext = SBI_EXT_RFENCE; ^~~~~~~~~~~~~~ RISCV_FENCE case SBI_EXT_RFENCE_REMOTE_FENCE_I: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_RFENCE_REMOTE_FENCE_I case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_RFENCE_REMOTE_SFENCE_VMA arch/riscv/kernel/sbi.c:271:7: error: 'SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA' undeclared (first use in this function); did you mean 'SBI_EXT_RFENCE_REMOTE_SFENCE_VMA'? case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_RFENCE_REMOTE_SFENCE_VMA arch/riscv/kernel/sbi.c:275:7: error: 'SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID' undeclared (first use in this function); did you mean 'SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID'? case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID arch/riscv/kernel/sbi.c:279:7: error: 'SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA' undeclared (first use in this function); did you mean 'SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA'? case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA arch/riscv/kernel/sbi.c:283:7: error: 'SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID' undeclared (first use in this function); did you mean 'SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID'? case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID arch/riscv/kernel/sbi.c:249:16: warning: unused variable 'ret' [-Wunused-variable] struct sbiret ret = {0}; ^~~ arch/riscv/kernel/sbi.c: In function 'sbi_remote_fence_i': arch/riscv/kernel/sbi.c:335:15: error: 'SBI_EXT_0_1_REMOTE_FENCE_I' undeclared (first use in this function) __sbi_rfence(SBI_EXT_0_1_REMOTE_FENCE_I, SBI_EXT_RFENCE_REMOTE_FENCE_I, ^~~~~~~~~~~~~~~~~~~~~~~~~~ __sbi_rfence(SBI_EXT_0_1_REMOTE_FENCE_I, SBI_EXT_RFENCE_REMOTE_FENCE_I, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_0_1_REMOTE_FENCE_I arch/riscv/kernel/sbi.c: In function 'sbi_remote_sfence_vma': arch/riscv/kernel/sbi.c:353:15: error: 'SBI_EXT_0_1_REMOTE_SFENCE_VMA' undeclared (first use in this function) __sbi_rfence(SBI_EXT_0_1_REMOTE_SFENCE_VMA, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/sbi.c:354:8: error: 'SBI_EXT_RFENCE_REMOTE_SFENCE_VMA' undeclared (first use in this function); did you mean 'SBI_EXT_0_1_REMOTE_SFENCE_VMA'? SBI_EXT_RFENCE_REMOTE_SFENCE_VMA, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_0_1_REMOTE_SFENCE_VMA arch/riscv/kernel/sbi.c: In function 'sbi_remote_sfence_vma_asid': arch/riscv/kernel/sbi.c:375:15: error: 'SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID' undeclared (first use in this function) __sbi_rfence(SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/sbi.c:376:8: error: 'SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID' undeclared (first use in this function); did you mean 'SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID'? SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID arch/riscv/kernel/sbi.c: In function 'sbi_remote_hfence_gvma': arch/riscv/kernel/sbi.c:394:22: error: 'SBI_EXT_RFENCE' undeclared (first use in this function); did you mean 'RISCV_FENCE'? return __sbi_rfence(SBI_EXT_RFENCE, SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA, ^~~~~~~~~~~~~~ RISCV_FENCE return __sbi_rfence(SBI_EXT_RFENCE, SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/sbi.c: In function 'sbi_remote_hfence_gvma_vmid': arch/riscv/kernel/sbi.c:415:22: error: 'SBI_EXT_RFENCE' undeclared (first use in this function); did you mean 'RISCV_FENCE'? return __sbi_rfence(SBI_EXT_RFENCE, ^~~~~~~~~~~~~~ RISCV_FENCE SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/sbi.c: In function 'sbi_remote_hfence_vvma': arch/riscv/kernel/sbi.c:434:22: error: 'SBI_EXT_RFENCE' undeclared (first use in this function); did you mean 'RISCV_FENCE'? return __sbi_rfence(SBI_EXT_RFENCE, SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA, ^~~~~~~~~~~~~~ RISCV_FENCE return __sbi_rfence(SBI_EXT_RFENCE, SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/sbi.c: In function 'sbi_remote_hfence_vvma_asid': arch/riscv/kernel/sbi.c:456:22: error: 'SBI_EXT_RFENCE' undeclared (first use in this function); did you mean 'RISCV_FENCE'? return __sbi_rfence(SBI_EXT_RFENCE, ^~~~~~~~~~~~~~ RISCV_FENCE SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/sbi.c: In function 'sbi_probe_extension': arch/riscv/kernel/sbi.c:470:16: error: storage size of 'ret' isn't known struct sbiret ret; ^~~ arch/riscv/kernel/sbi.c:472:18: error: 'SBI_EXT_BASE' undeclared (first use in this function); did you mean 'BIT_MASK'? ret = sbi_ecall(SBI_EXT_BASE, SBI_BASE_PROBE_EXT, extid, 0, 0, 0, 0, 0); ^~~~~~~~~~~~ BIT_MASK arch/riscv/kernel/sbi.c:472:32: error: 'SBI_BASE_PROBE_EXT' undeclared (first use in this function) ret = sbi_ecall(SBI_EXT_BASE, SBI_BASE_PROBE_EXT, extid, 0, 0, 0, 0, 0); ^~~~~~~~~~~~~~~~~~ arch/riscv/kernel/sbi.c:470:16: warning: unused variable 'ret' [-Wunused-variable] struct sbiret ret; ^~~ arch/riscv/kernel/sbi.c: In function 'sbi_get_spec_version': arch/riscv/kernel/sbi.c:483:16: error: storage size of 'ret' isn't known struct sbiret ret; ^~~ arch/riscv/kernel/sbi.c:485:18: error: 'SBI_EXT_BASE' undeclared (first use in this function); did you mean 'BIT_MASK'? ret = sbi_ecall(SBI_EXT_BASE, SBI_BASE_GET_SPEC_VERSION, ^~~~~~~~~~~~ BIT_MASK arch/riscv/kernel/sbi.c:485:32: error: 'SBI_BASE_GET_SPEC_VERSION' undeclared (first use in this function) ret = sbi_ecall(SBI_EXT_BASE, SBI_BASE_GET_SPEC_VERSION, ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/sbi.c:483:16: warning: unused variable 'ret' [-Wunused-variable] struct sbiret ret; ^~~ arch/riscv/kernel/sbi.c: In function 'sbi_get_firmware_id': arch/riscv/kernel/sbi.c:495:16: error: storage size of 'ret' isn't known struct sbiret ret; ^~~ arch/riscv/kernel/sbi.c:497:18: error: 'SBI_EXT_BASE' undeclared (first use in this function); did you mean 'BIT_MASK'? ret = sbi_ecall(SBI_EXT_BASE, SBI_BASE_GET_IMP_ID, ^~~~~~~~~~~~ BIT_MASK arch/riscv/kernel/sbi.c:497:32: error: 'SBI_BASE_GET_IMP_ID' undeclared (first use in this function) ret = sbi_ecall(SBI_EXT_BASE, SBI_BASE_GET_IMP_ID, ^~~~~~~~~~~~~~~~~~~ arch/riscv/kernel/sbi.c:495:16: warning: unused variable 'ret' [-Wunused-variable] struct sbiret ret; ^~~ arch/riscv/kernel/sbi.c: In function 'sbi_get_firmware_version': arch/riscv/kernel/sbi.c:507:16: error: storage size of 'ret' isn't known struct sbiret ret; ^~~ arch/riscv/kernel/sbi.c:509:18: error: 'SBI_EXT_BASE' undeclared (first use in this function); did you mean 'BIT_MASK'? ret = sbi_ecall(SBI_EXT_BASE, SBI_BASE_GET_IMP_VERSION, ^~~~~~~~~~~~ BIT_MASK arch/riscv/kernel/sbi.c:509:32: error: 'SBI_BASE_GET_IMP_VERSION' undeclared (first use in this function); did you mean '__GXX_ABI_VERSION'? ret = sbi_ecall(SBI_EXT_BASE, SBI_BASE_GET_IMP_VERSION, ^~~~~~~~~~~~~~~~~~~~~~~~ __GXX_ABI_VERSION arch/riscv/kernel/sbi.c:507:16: warning: unused variable 'ret' [-Wunused-variable] struct sbiret ret; ^~~ arch/riscv/kernel/sbi.c: In function 'sbi_power_off': arch/riscv/kernel/sbi.c:519:2: error: implicit declaration of function 'sbi_shutdown' [-Werror=implicit-function-declaration] sbi_shutdown(); ^~~~~~~~~~~~ In file included from include/linux/printk.h:7:0, from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/pm.h:11, from arch/riscv/kernel/sbi.c:4: arch/riscv/kernel/sbi.c: In function 'sbi_init': include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH' #define KERN_INFO KERN_SOH "6" /* informational */ ^~~~~~~~ include/linux/printk.h:311:9: note: in expansion of macro 'KERN_INFO' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~ arch/riscv/kernel/sbi.c:531:2: note: in expansion of macro 'pr_info' pr_info("SBI specification v%lu.%lu detected\n", ^~~~~~~ arch/riscv/kernel/sbi.c:531:32: note: format string is defined here pr_info("SBI specification v%lu.%lu detected\n", ~~^ %u In file included from include/linux/printk.h:7:0, from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/pm.h:11, from arch/riscv/kernel/sbi.c:4: include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH' #define KERN_INFO KERN_SOH "6" /* informational */ ^~~~~~~~ include/linux/printk.h:311:9: note: in expansion of macro 'KERN_INFO' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~ arch/riscv/kernel/sbi.c:531:2: note: in expansion of macro 'pr_info' vim +214 arch/riscv/kernel/sbi.c 75 76 static int __sbi_rfence_dummy_warn(unsigned long extid, 77 unsigned long fid, 78 const unsigned long *hart_mask, 79 unsigned long hbase, unsigned long start, 80 unsigned long size, unsigned long arg4, 81 unsigned long arg5) 82 { 84 sbi_major_version(), sbi_minor_version()); 85 return 0; 86 } 87 88 #ifdef CONFIG_RISCV_SBI_V01 89 /** 90 * sbi_console_putchar() - Writes given character to the console device. 91 * @ch: The data to be written to the console. 92 * 93 * Return: None 94 */ 95 void sbi_console_putchar(int ch) 96 { 97 sbi_ecall(SBI_EXT_0_1_CONSOLE_PUTCHAR, 0, ch, 0, 0, 0, 0, 0); 98 } 99 EXPORT_SYMBOL(sbi_console_putchar); 100 101 /** 102 * sbi_console_getchar() - Reads a byte from console device. 103 * 104 * Returns the value read from console. 105 */ 106 int sbi_console_getchar(void) 107 { 108 struct sbiret ret; 109 110 ret = sbi_ecall(SBI_EXT_0_1_CONSOLE_GETCHAR, 0, 0, 0, 0, 0, 0, 0); 111 112 return ret.error; 113 } 114 EXPORT_SYMBOL(sbi_console_getchar); 115 116 /** 117 * sbi_shutdown() - Remove all the harts from executing supervisor code. 118 * 119 * Return: None 120 */ 121 void sbi_shutdown(void) 122 { 123 sbi_ecall(SBI_EXT_0_1_SHUTDOWN, 0, 0, 0, 0, 0, 0, 0); 124 } 125 EXPORT_SYMBOL(sbi_set_timer); 126 127 /** 128 * sbi_clear_ipi() - Clear any pending IPIs for the calling hart. 129 * 130 * Return: None 131 */ 132 void sbi_clear_ipi(void) 133 { 134 sbi_ecall(SBI_EXT_0_1_CLEAR_IPI, 0, 0, 0, 0, 0, 0, 0); 135 } 136 EXPORT_SYMBOL(sbi_shutdown); 137 138 /** 139 * sbi_set_timer_v01() - Program the timer for next timer event. 140 * @stime_value: The value after which next timer event should fire. 141 * 142 * Return: None 143 */ 144 static void __sbi_set_timer_v01(uint64_t stime_value) 145 { 146 #if __riscv_xlen == 32 147 sbi_ecall(SBI_EXT_0_1_SET_TIMER, 0, stime_value, 148 stime_value >> 32, 0, 0, 0, 0); 149 #else 150 sbi_ecall(SBI_EXT_0_1_SET_TIMER, 0, stime_value, 0, 0, 0, 0, 0); 151 #endif 152 } 153 154 static int __sbi_send_ipi_v01(const unsigned long *hart_mask) 155 { 156 sbi_ecall(SBI_EXT_0_1_SEND_IPI, 0, (unsigned long)hart_mask, 157 0, 0, 0, 0, 0); 158 return 0; 159 } 160 161 static int __sbi_rfence_v01(unsigned long ext, unsigned long fid, 162 const unsigned long *hart_mask, 163 unsigned long hbase, unsigned long start, 164 unsigned long size, unsigned long arg4, 165 unsigned long arg5) 166 { 167 switch (ext) { 168 case SBI_EXT_0_1_REMOTE_FENCE_I: 169 sbi_ecall(SBI_EXT_0_1_REMOTE_FENCE_I, 0, 170 (unsigned long)hart_mask, 0, 0, 0, 0, 0); 171 break; 172 case SBI_EXT_0_1_REMOTE_SFENCE_VMA: 173 sbi_ecall(SBI_EXT_0_1_REMOTE_SFENCE_VMA, 0, 174 (unsigned long)hart_mask, start, size, 175 0, 0, 0); 176 break; 177 case SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID: 178 sbi_ecall(SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID, 0, 179 (unsigned long)hart_mask, start, size, 180 arg4, 0, 0); 181 break; 182 default: 183 pr_err("extid [%lu]not supported in SBI v0.1\n", ext); 184 } 185 186 return 0; 187 } 188 #else 189 static void __sbi_set_timer_v01(uint64_t stime_value) 190 { 191 __sbi_set_timer_dummy_warn(0); 192 } 193 static int __sbi_send_ipi_v01(const unsigned long *hart_mask) 194 { 195 return __sbi_send_ipi_dummy_warn(NULL); 196 } 197 static int __sbi_rfence_v01(unsigned long ext, unsigned long fid, 198 const unsigned long *hart_mask, 199 unsigned long hbase, unsigned long start, 200 unsigned long size, unsigned long arg4, 201 unsigned long arg5) 202 { 203 return __sbi_rfence_dummy_warn(0, 0, 0, 0, 0, 0, 0, 0); 204 205 } 206 #endif /* CONFIG_RISCV_SBI_V01 */ 207 208 static void __sbi_set_timer_v02(uint64_t stime_value) 209 { 210 #if __riscv_xlen == 32 211 sbi_ecall(SBI_EXT_TIME, SBI_EXT_TIME_SET_TIMER, stime_value, 212 stime_value >> 32, 0, 0, 0, 0); 213 #else 215 0, 0, 0, 0); 216 #endif 217 } 218 219 static int __sbi_send_ipi_v02(const unsigned long *hart_mask) 220 { 221 unsigned long hmask_val; 223 int result; 224 225 if (!hart_mask) 226 hmask_val = *(cpumask_bits(cpu_online_mask)); 227 else 228 hmask_val = *hart_mask; 229 231 0, 0, 0, 0, 0); 232 if (ret.error) { 233 pr_err("%s: failed with error [%d]\n", __func__, 234 sbi_err_map_linux_errno(ret.error)); 235 result = ret.error; 236 } else 237 result = ret.value; 238 239 return result; 240 } 241 242 static int __sbi_rfence_v02(unsigned long extid, unsigned long fid, 243 const unsigned long *hart_mask, 244 unsigned long hbase, unsigned long start, 245 unsigned long size, unsigned long arg4, 246 unsigned long arg5) 247 { 248 unsigned long hmask_val; 250 int result; 252 253 if (!hart_mask) 254 hmask_val = *(cpumask_bits(cpu_online_mask)); 255 else 256 hmask_val = *hart_mask; 257 258 switch (fid) { 260 ret = sbi_ecall(ext, fid, hmask_val, 0, 0, 0, 0, 0); 261 break; 263 ret = sbi_ecall(ext, fid, hmask_val, 0, start, 264 size, 0, 0); 265 break; 267 ret = sbi_ecall(ext, fid, hmask_val, 0, start, 268 size, arg4, 0); 269 break; 270 /*TODO: Handle non zero hbase cases */ 271 case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA: 272 ret = sbi_ecall(ext, fid, hmask_val, 0, start, 273 size, 0, 0); 274 break; 275 case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID: 276 ret = sbi_ecall(ext, fid, hmask_val, 0, start, 277 size, arg4, 0); 278 break; 279 case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA: 280 ret = sbi_ecall(ext, fid, hmask_val, 0, start, 281 size, 0, 0); 282 break; 283 case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID: 284 ret = sbi_ecall(ext, fid, hmask_val, 0, start, 285 size, arg4, 0); 286 break; 287 default: 288 pr_err("unknown function ID [%lu] for SBI extension [%lu]\n", 289 fid, ext); 290 result = -EINVAL; 291 } 292 293 if (ret.error) { 294 pr_err("%s: failed with error [%d]\n", __func__, 295 sbi_err_map_linux_errno(ret.error)); 296 result = ret.error; 297 } else 298 result = ret.value; 299 300 return result; 301 } 302 303 /** 304 * sbi_set_timer() - Program the timer for next timer event. 305 * @stime_value: The value after which next timer event should fire. 306 * 307 * Return: None 308 */ 309 void sbi_set_timer(uint64_t stime_value) 310 { 311 __sbi_set_timer(stime_value); 312 } 313 314 /** 315 * sbi_send_ipi() - Send an IPI to any hart. 316 * @hart_mask: A cpu mask containing all the target harts. 317 * 318 * Return: None 319 */ 320 void sbi_send_ipi(const unsigned long *hart_mask) 321 { 322 __sbi_send_ipi(hart_mask); 323 } 324 EXPORT_SYMBOL(sbi_send_ipi); 325 326 327 /** 328 * sbi_remote_fence_i() - Execute FENCE.I instruction on given remote harts. 329 * @hart_mask: A cpu mask containing all the target harts. 330 * 331 * Return: None 332 */ 333 void sbi_remote_fence_i(const unsigned long *hart_mask) 334 { 336 hart_mask, 0, 0, 0, 0, 0); 337 } 338 EXPORT_SYMBOL(sbi_remote_fence_i); 339 340 /** 341 * sbi_remote_sfence_vma() - Execute SFENCE.VMA instructions on given remote 342 * harts for the specified virtual address range. 343 * @hart_mask: A cpu mask containing all the target harts. 344 * @start: Start of the virtual address 345 * @size: Total size of the virtual address range. 346 * 347 * Return: None 348 */ 349 void sbi_remote_sfence_vma(const unsigned long *hart_mask, 350 unsigned long start, 351 unsigned long size) 352 { 353 __sbi_rfence(SBI_EXT_0_1_REMOTE_SFENCE_VMA, 354 SBI_EXT_RFENCE_REMOTE_SFENCE_VMA, 355 hart_mask, 0, start, size, 0, 0); 356 } 357 EXPORT_SYMBOL(sbi_remote_sfence_vma); 358 359 /** 360 * sbi_remote_sfence_vma_asid() - Execute SFENCE.VMA instructions on given 361 * remote harts for a virtual address range belonging to a specific ASID. 362 * 363 * @hart_mask: A cpu mask containing all the target harts. 364 * @start: Start of the virtual address 365 * @size: Total size of the virtual address range. 366 * @asid: The value of address space identifier (ASID). 367 * 368 * Return: None 369 */ 370 void sbi_remote_sfence_vma_asid(const unsigned long *hart_mask, 371 unsigned long start, 372 unsigned long size, 373 unsigned long asid) 374 { 375 __sbi_rfence(SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID, 377 hart_mask, 0, start, size, asid, 0); 378 } 379 EXPORT_SYMBOL(sbi_remote_sfence_vma_asid); 380 381 /** 382 * sbi_remote_hfence_gvma() - Execute HFENCE.GVMA instructions on given remote 383 * harts for the specified guest physical address range. 384 * @hart_mask: A cpu mask containing all the target harts. 385 * @start: Start of the guest physical address 386 * @size: Total size of the guest physical address range. 387 * 388 * Return: None 389 */ 390 int sbi_remote_hfence_gvma(const unsigned long *hart_mask, 391 unsigned long start, 392 unsigned long size) 393 { 395 hart_mask, 0, start, size, 0, 0); 396 } 397 EXPORT_SYMBOL_GPL(sbi_remote_hfence_gvma); 398 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation