1 // SPDX-License-Identifier: GPL-2.0-only
24 			   unsigned long start, unsigned long size,
47 	ret.value = a1;  in sbi_ecall()
59 		return -EPERM;  in sbi_err_map_linux_errno()
61 		return -EINVAL;  in sbi_err_map_linux_errno()
63 		return -EFAULT;  in sbi_err_map_linux_errno()
67 		return -ENOTSUPP;  in sbi_err_map_linux_errno()
79 	 * There is no maximum hartid concept in RISC-V and NR_CPUS must not be  in __sbi_v01_cpumask_to_hartmask()
98  * sbi_console_putchar() - Writes given character to the console device.
110  * sbi_console_getchar() - Reads a byte from console device.
112  * Returns the value read from console.
125  * sbi_shutdown() - Remove all the harts from executing supervisor code.
136  * __sbi_set_timer_v01() - Program the timer for next timer event.
137  * @stime_value: The value after which next timer event should fire.
160 			    unsigned long start, unsigned long size,  in __sbi_rfence_v01()  argument
178 			  (unsigned long)&hart_mask, start, size,  in __sbi_rfence_v01()
183 			  (unsigned long)&hart_mask, start, size,  in __sbi_rfence_v01()
188 		result = -EINVAL;  in __sbi_rfence_v01()
212 			    unsigned long start, unsigned long size,  in __sbi_rfence_v01()  argument
250 				 unsigned long hbase, unsigned long start,  in __sbi_rfence_v02_call()  argument
263 		ret = sbi_ecall(ext, fid, hmask, hbase, start,  in __sbi_rfence_v02_call()
267 		ret = sbi_ecall(ext, fid, hmask, hbase, start,  in __sbi_rfence_v02_call()
272 		ret = sbi_ecall(ext, fid, hmask, hbase, start,  in __sbi_rfence_v02_call()
276 		ret = sbi_ecall(ext, fid, hmask, hbase, start,  in __sbi_rfence_v02_call()
280 		ret = sbi_ecall(ext, fid, hmask, hbase, start,  in __sbi_rfence_v02_call()
284 		ret = sbi_ecall(ext, fid, hmask, hbase, start,  in __sbi_rfence_v02_call()
290 		result = -EINVAL;  in __sbi_rfence_v02_call()
303 			    unsigned long start, unsigned long size,  in __sbi_rfence_v02()  argument
318 						hbase, start, size, arg4, arg5);  in __sbi_rfence_v02()
324 				hmask <<= hbase - hartid;  in __sbi_rfence_v02()
334 		hmask |= BIT(hartid - hbase);  in __sbi_rfence_v02()
339 					       start, size, arg4, arg5);  in __sbi_rfence_v02()
348  * sbi_set_timer() - Program the timer for next timer event.
349  * @stime_value: The value after which next timer event should fire.
359  * sbi_send_ipi() - Send an IPI to any hart.
369  * sbi_remote_fence_i() - Execute FENCE.I instruction on given remote harts.
382  * sbi_remote_sfence_vma_asid() - Execute SFENCE.VMA instructions on given
386  * @start: Start of the virtual address
388  * @asid: The value of address space identifier (ASID), or FLUSH_TLB_NO_ASID
394 				unsigned long start,  in sbi_remote_sfence_vma_asid()  argument
400 				    cpu_mask, start, size, 0, 0);  in sbi_remote_sfence_vma_asid()
403 				    cpu_mask, start, size, asid, 0);  in sbi_remote_sfence_vma_asid()
408  * sbi_remote_hfence_gvma() - Execute HFENCE.GVMA instructions on given remote
411  * @start: Start of the guest physical address
417 			   unsigned long start,  in sbi_remote_hfence_gvma()  argument
421 			    cpu_mask, start, size, 0, 0);  in sbi_remote_hfence_gvma()
426  * sbi_remote_hfence_gvma_vmid() - Execute HFENCE.GVMA instructions on given
430  * @start: Start of the guest physical address
432  * @vmid: The value of guest ID (VMID).
437 				unsigned long start,  in sbi_remote_hfence_gvma_vmid()  argument
442 			    cpu_mask, start, size, vmid, 0);  in sbi_remote_hfence_gvma_vmid()
447  * sbi_remote_hfence_vvma() - Execute HFENCE.VVMA instructions on given remote
450  * @start: Start of the current guest virtual address
456 			   unsigned long start,  in sbi_remote_hfence_vvma()  argument
460 			    cpu_mask, start, size, 0, 0);  in sbi_remote_hfence_vvma()
465  * sbi_remote_hfence_vvma_asid() - Execute HFENCE.VVMA instructions on given
470  * @start: Start of the current guest virtual address
472  * @asid: The value of address space identifier (ASID).
477 				unsigned long start,  in sbi_remote_hfence_vvma_asid()  argument
482 			    cpu_mask, start, size, asid, 0);  in sbi_remote_hfence_vvma_asid()
513  * sbi_probe_extension() - Check if an SBI extension ID is supported or not.
516  * Return: 1 or an extension specific nonzero value if yes, 0 otherwise.
525 		return ret.value;  in sbi_probe_extension()
537 		return ret.value;  in __sbi_base_ecall()
583 		return -EOPNOTSUPP;  in sbi_debug_console_write()
591 		num_bytes = PAGE_SIZE - offset_in_page(bytes);  in sbi_debug_console_write()
602 		return -EIO;  in sbi_debug_console_write()
603 	return ret.error ? sbi_err_map_linux_errno(ret.error) : ret.value;  in sbi_debug_console_write()
612 		return -EOPNOTSUPP;  in sbi_debug_console_read()
620 		num_bytes = PAGE_SIZE - offset_in_page(bytes);  in sbi_debug_console_read()
631 		return -EIO;  in sbi_debug_console_read()
632 	return ret.error ? sbi_err_map_linux_errno(ret.error) : ret.value;  in sbi_debug_console_read()