28 	struct ucall *uc;  in ucall_init()  local
37 		uc = &hdr->ucalls[i];  in ucall_init()
38 		uc->hva = uc;  in ucall_init()
48 	struct ucall *uc;  in ucall_alloc()  local
56 			uc = &ucall_pool->ucalls[i];  in ucall_alloc()
57 			memset(uc->args, 0, sizeof(uc->args));  in ucall_alloc()
58 			return uc;  in ucall_alloc()
72 static void ucall_free(struct ucall *uc)  in ucall_free()  argument
75 	clear_bit(uc - ucall_pool->ucalls, ucall_pool->in_use);  in ucall_free()
81 	struct ucall *uc;  in ucall_assert()  local
84 	uc = ucall_alloc();  in ucall_assert()
85 	uc->cmd = cmd;  in ucall_assert()
87 	WRITE_ONCE(uc->args[GUEST_ERROR_STRING], (uint64_t)(exp));  in ucall_assert()
88 	WRITE_ONCE(uc->args[GUEST_FILE], (uint64_t)(file));  in ucall_assert()
89 	WRITE_ONCE(uc->args[GUEST_LINE], line);  in ucall_assert()
92 	guest_vsnprintf(uc->buffer, UCALL_BUFFER_LEN, fmt, va);  in ucall_assert()
95 	ucall_arch_do_ucall((vm_vaddr_t)uc->hva);  in ucall_assert()
97 	ucall_free(uc);  in ucall_assert()
102 	struct ucall *uc;  in ucall_fmt()  local
105 	uc = ucall_alloc();  in ucall_fmt()
106 	uc->cmd = cmd;  in ucall_fmt()
109 	guest_vsnprintf(uc->buffer, UCALL_BUFFER_LEN, fmt, va);  in ucall_fmt()
112 	ucall_arch_do_ucall((vm_vaddr_t)uc->hva);  in ucall_fmt()
114 	ucall_free(uc);  in ucall_fmt()
119 	struct ucall *uc;  in ucall()  local
123 	uc = ucall_alloc();  in ucall()
125 	WRITE_ONCE(uc->cmd, cmd);  in ucall()
131 		WRITE_ONCE(uc->args[i], va_arg(va, uint64_t));  in ucall()
134 	ucall_arch_do_ucall((vm_vaddr_t)uc->hva);  in ucall()
136 	ucall_free(uc);  in ucall()
139 uint64_t get_ucall(struct kvm_vcpu *vcpu, struct ucall *uc)  in get_ucall()  argument
144 	if (!uc)  in get_ucall()
145 		uc = &ucall;  in get_ucall()
152 		memcpy(uc, addr, sizeof(*uc));  in get_ucall()
155 		memset(uc, 0, sizeof(*uc));  in get_ucall()
158 	return uc->cmd;  in get_ucall()