ACPICA: Add interrupt command to acpiexec

ACPICA commit ef7cf185a046d76119b631f16e7c991543c80edc

This commit add the Interrupt command to acpiexec.

The Interrupt command simulates an interrupt with a int_ID (GSIV)
equal to the first argument of the call.

The acpiexec code simulates the behaviour by OSPM: execute the _EVT
method of the GED device associated with that int_ID.

Link: https://github.com/acpica/acpica/commit/ef7cf185
Signed-off-by: Jose Marinho <jose.marinho@arm.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h
index 22f1f7a..911875c 100644 (file)
--- a/drivers/acpi/acpica/acdebug.h
+++ b/drivers/acpi/acpica/acdebug.h
@@ -287,4 +287,6 @@ struct acpi_namespace_node *acpi_db_local_ns_lookup(char *name);
 
 void acpi_db_uint32_to_hex_string(u32 value, char *buffer);
 
+void acpi_db_generate_interrupt(char *gsiv_arg);
+
 #endif                         /* __ACDEBUG_H__ */

diff --git a/drivers/acpi/acpica/dbcmds.c b/drivers/acpi/acpica/dbcmds.c
index 9eb68e0..3d99a90 100644 (file)
--- a/drivers/acpi/acpica/dbcmds.c
+++ b/drivers/acpi/acpica/dbcmds.c
@@ -1010,6 +1010,64 @@ void acpi_db_display_resources(char *object_arg)
        acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT);
 }
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_db_generate_ged
+ *
+ * PARAMETERS:  ged_arg             - Raw GED number, ascii string
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Simulate firing of a GED
+ *
+ ******************************************************************************/
+
+void acpi_db_generate_interrupt(char *gsiv_arg)
+{
+       u32 gsiv_number;
+       struct acpi_ged_handler_info *ged_info = acpi_gbl_ged_handler_list;
+
+       if (!ged_info) {
+               acpi_os_printf("No GED handling present\n");
+       }
+
+       gsiv_number = strtoul(gsiv_arg, NULL, 0);
+
+       while (ged_info) {
+
+               if (ged_info->int_id == gsiv_number) {
+                       struct acpi_object_list arg_list;
+                       union acpi_object arg0;
+                       acpi_handle evt_handle = ged_info->evt_method;
+                       acpi_status status;
+
+                       acpi_os_printf("Evaluate GED _EVT (GSIV=%d)\n",
+                                      gsiv_number);
+
+                       if (!evt_handle) {
+                               acpi_os_printf("Undefined _EVT method\n");
+                               return;
+                       }
+
+                       arg0.integer.type = ACPI_TYPE_INTEGER;
+                       arg0.integer.value = gsiv_number;
+
+                       arg_list.count = 1;
+                       arg_list.pointer = &arg0;
+
+                       status =
+                           acpi_evaluate_object(evt_handle, NULL, &arg_list,
+                                                NULL);
+                       if (ACPI_FAILURE(status)) {
+                               acpi_os_printf("Could not evaluate _EVT\n");
+                               return;
+                       }
+
+               }
+               ged_info = ged_info->next;
+       }
+}
+
 #if (!ACPI_REDUCED_HARDWARE)
 /*******************************************************************************
  *

diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c
index b8a4892..861b12c 100644 (file)
--- a/drivers/acpi/acpica/dbinput.c
+++ b/drivers/acpi/acpica/dbinput.c
@@ -106,6 +106,7 @@ enum acpi_ex_debugger_commands {
        CMD_THREADS,
 
        CMD_TEST,
+       CMD_INTERRUPT,
 #endif
 };
 
@@ -185,6 +186,7 @@ static const struct acpi_db_command_info acpi_gbl_db_commands[] = {
        {"THREADS", 3},
 
        {"TEST", 1},
+       {"INTERRUPT", 1},
 #endif
        {NULL, 0}
 };
@@ -318,6 +320,7 @@ static const struct acpi_db_command_help acpi_gbl_db_command_help[] = {
        {1, "  Gpes", "Display info on all GPE devices\n"},
        {1, "  Sci", "Generate an SCI\n"},
        {1, "  Sleep [SleepState]", "Simulate sleep/wake sequence(s) (0-5)\n"},
+       {1, "  Interrupt <GSIV>", "Simulate an interrupt\n"},
 #endif
        {0, NULL, NULL}
 };
@@ -1064,6 +1067,11 @@ acpi_db_command_dispatch(char *input_buffer,
                acpi_os_printf("Event command not implemented\n");
                break;
 
+       case CMD_INTERRUPT:
+
+               acpi_db_generate_interrupt(acpi_gbl_db_args[1]);
+               break;
+
        case CMD_GPE:
 
                acpi_db_generate_gpe(acpi_gbl_db_args[1], acpi_gbl_db_args[2]);