[PATCH phosphor-host-ipmid v3 4/6] Redo: Add get/set ipmid boot option command support with correct DBUS property handling.
OpenBMC Patches
openbmc-patches at stwcx.xyz
Wed Dec 16 23:50:23 AEDT 2015
From: shgoupf <shgoupf at cn.ibm.com>
1) Two methods to handle the dbus property set and get:
a) dbus_set_property()
b) dbus_get_property()
2) The property is stored as a 10 character strings
which represents 5-byte information.
3) ipmid set method is registered and implemented since
petitboot will use it to clear the boot options.
---
chassishandler.C | 228 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
chassishandler.h | 8 ++
2 files changed, 232 insertions(+), 4 deletions(-)
diff --git a/chassishandler.C b/chassishandler.C
index 1389db9..e69e6c3 100644
--- a/chassishandler.C
+++ b/chassishandler.C
@@ -8,6 +8,146 @@
const char *chassis_bus_name = "org.openbmc.control.Chassis";
const char *chassis_object_name = "/org/openbmc/control/chassis0";
const char *chassis_intf_name = "org.openbmc.control.Chassis";
+char* uint8_to_char(uint8_t *a, size_t size)
+{
+ char* buffer;
+ int i;
+
+ buffer = (char*)malloc(size * 2 + 1);
+ if (!buffer)
+ return NULL;
+
+ buffer[size * 2] = 0;
+ for (i = 0; i < size; i++) {
+ uint8_t msb = (a[i] >> 4) & 0xF;
+ uint8_t lsb = a[i] & 0xF;
+ buffer[2*i] = msb > 9 ? msb + 'A' - 10 : msb + '0';
+ buffer[2*i + 1] = lsb > 9 ? lsb + 'A' - 10 : lsb + '0';
+ }
+
+ return buffer;
+}
+
+uint8_t* char_to_uint8(char *a, size_t size)
+{
+ uint8_t* buffer;
+ int i;
+
+ buffer = (uint8_t*)malloc(size);
+ if (!buffer)
+ return NULL;
+
+ for (i = 0; i < size; i++) {
+ uint8_t msb = (uint8_t)(a[2*i] > '9' ? a[2*i] - 'A' + 10 : a[2*i] - '0');
+ uint8_t lsb = (uint8_t)(a[2*i+1] > '9' ? a[2*i+1] - 'A' + 10 : a[2*i+1] - '0');
+ buffer[i] = ((msb << 4) | (lsb & 0xF)) & 0xFF;
+ }
+
+ return buffer;
+}
+
+// TODO: object mapper should be used instead of hard-coding.
+int dbus_get_property(char* buf)
+{
+ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus_message *m = NULL;
+ sd_bus *bus = NULL;
+ char* temp_buf = NULL;
+ uint8_t* get_value = NULL;
+ int r, i;
+
+ // Open the system bus where most system services are provided.
+ r = sd_bus_open_system(&bus);
+ if (r < 0) {
+ fprintf(stderr, "Failed to connect to system bus: %s\n", strerror(-r));
+ goto finish;
+ }
+
+ // Bus, service, object path, interface and method are provided to call
+ // the method.
+ // Signatures and input arguments are provided by the arguments at the
+ // end.
+ r = sd_bus_call_method(bus,
+ "org.openbmc.settings.Host", /* service to contact */
+ "/org/openbmc/settings/host0", /* object path */
+ "org.freedesktop.DBus.Properties", /* interface name */
+ "Get", /* method name */
+ &error, /* object to return error in */
+ &m, /* return message on success */
+ "ss", /* input signature */
+ "org.freedesktop.DBus.Properties", /* first argument */
+ "boot_flags"); /* second argument */
+ if (r < 0) {
+ fprintf(stderr, "Failed to issue method call: %s\n", error.message);
+ goto finish;
+ }
+
+ // The output should be parsed exactly the same as the output formatting
+ // specified.
+ r = sd_bus_message_read(m, "v", "s", &temp_buf);
+ if (r < 0) {
+ fprintf(stderr, "Failed to parse response message: %s\n", strerror(-r));
+ goto finish;
+ }
+
+ printf("IPMID boot option property get: {%s}.\n", (char*) temp_buf);
+
+ memcpy(buf, temp_buf, 2*NUM_RETURN_BYTES_OF_GET_USED + 1);
+
+finish:
+ sd_bus_error_free(&error);
+ sd_bus_message_unref(m);
+ sd_bus_unref(bus);
+
+ return r;
+}
+
+// TODO: object mapper should be used instead of hard-coding.
+int dbus_set_property(const char* buf)
+{
+ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus_message *m = NULL;
+ sd_bus *bus = NULL;
+ int r;
+
+ // Open the system bus where most system services are provided.
+ r = sd_bus_open_system(&bus);
+ if (r < 0) {
+ fprintf(stderr, "Failed to connect to system bus: %s\n", strerror(-r));
+ goto finish;
+ }
+
+ // Bus, service, object path, interface and method are provided to call
+ // the method.
+ // Signatures and input arguments are provided by the arguments at the
+ // end.
+ r = sd_bus_call_method(bus,
+ "org.openbmc.settings.Host", /* service to contact */
+ "/org/openbmc/settings/host0", /* object path */
+ "org.freedesktop.DBus.Properties", /* interface name */
+ "Set", /* method name */
+ &error, /* object to return error in */
+ &m, /* return message on success */
+ "ssv", /* input signature */
+ "org.freedesktop.DBus.Properties", /* first argument */
+ "boot_flags", /* second argument */
+ "s", /* third argument */
+ buf); /* fourth argument */
+
+ if (r < 0) {
+ fprintf(stderr, "Failed to issue method call: %s\n", error.message);
+ goto finish;
+ }
+
+ printf("IPMID boot option property set: {%s}.\n", buf);
+
+finish:
+ sd_bus_error_free(&error);
+ sd_bus_message_unref(m);
+ sd_bus_unref(bus);
+
+ return r;
+}
void register_netfn_chassis_functions() __attribute__((constructor));
@@ -17,6 +157,15 @@ struct get_sys_boot_options_t {
uint8_t block;
} __attribute__ ((packed));
+struct set_sys_boot_options_t {
+ uint8_t parameter;
+ uint8_t data1;
+ uint8_t data2;
+ uint8_t data3;
+ uint8_t data4;
+ uint8_t data5;
+} __attribute__ ((packed));
+
ipmi_ret_t ipmi_chassis_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
@@ -116,16 +265,63 @@ ipmi_ret_t ipmi_chassis_get_sys_boot_options(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
get_sys_boot_options_t *reqptr = (get_sys_boot_options_t*) request;
- // TODO Return default values to OPAL until dbus interface is available
+ char* buf = (char*)malloc(NUM_RETURN_BYTES_OF_GET);
+
+ if (reqptr->parameter == 5) // Parameter #5
+ {
+ dbus_get_property(buf);
+ uint8_t* return_value = char_to_uint8(buf, NUM_RETURN_BYTES_OF_GET_USED);
+ *data_len = NUM_RETURN_BYTES_OF_GET;
+ // TODO: last 3 bytes
+ // (NUM_RETURN_BYTES_OF_GET - NUM_RETURN_BYTES_OF_GET_USED) is meanlingless
+ memcpy(response, return_value, *data_len);
+ free(buf);
+ free(return_value);
+ }
+ else
+ {
+ *data_len = NUM_RETURN_BYTES_OF_GET;
+ // 0x80: parameter not supported
+ buf[0] = 0x80;
+ memcpy(response, buf, *data_len);
+ free(buf);
+ fprintf(stderr, "Unsupported parameter 0x%x\n", reqptr->parameter);
+ return IPMI_CC_PARM_NOT_SUPPORTED;
+ }
+
+ return rc;
+}
+
+ipmi_ret_t ipmi_chassis_set_sys_boot_options(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+ ipmi_request_t request, ipmi_response_t response,
+ ipmi_data_len_t data_len, ipmi_context_t context)
+{
+ ipmi_ret_t rc = IPMI_CC_OK;
+
+ printf("IPMI SET_SYS_BOOT_OPTIONS\n");
+ printf("IPMID set command required return bytes: %i\n", *data_len);
+
+ set_sys_boot_options_t *reqptr = (set_sys_boot_options_t*) request;
+
+ char* output_buf = (char*)malloc(NUM_RETURN_BYTES_OF_SET);
if (reqptr->parameter == 5) // Parameter #5
{
- uint8_t buf[] = {0x1,0x5,80,0,0,0,0};
- *data_len = sizeof(buf);
- memcpy(response, &buf, *data_len);
+ char* input_buf = uint8_to_char((uint8_t*)(&(reqptr->data1)), NUM_INPUT_BYTES_OF_SET);
+ dbus_set_property(input_buf);
+ *data_len = NUM_RETURN_BYTES_OF_SET;
+ // 0x0: return code OK.
+ output_buf[0] = 0x0;
+ memcpy(response, output_buf, *data_len);
+ free(output_buf);
+ free(input_buf);
}
else
{
+ // 0x80: parameter not supported
+ output_buf[0] = 0x80;
+ memcpy(response, output_buf, *data_len);
+ free(output_buf);
fprintf(stderr, "Unsupported parameter 0x%x\n", reqptr->parameter);
return IPMI_CC_PARM_NOT_SUPPORTED;
}
@@ -133,6 +329,7 @@ ipmi_ret_t ipmi_chassis_get_sys_boot_options(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
return rc;
}
+
void register_netfn_chassis_functions()
{
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_WILDCARD);
@@ -141,6 +338,29 @@ void register_netfn_chassis_functions()
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_GET_SYS_BOOT_OPTIONS);
ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_GET_SYS_BOOT_OPTIONS, NULL, ipmi_chassis_get_sys_boot_options);
+ printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_SET_SYS_BOOT_OPTIONS);
+ ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_SET_SYS_BOOT_OPTIONS, NULL, ipmi_chassis_set_sys_boot_options);
+
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_CHASSIS_CONTROL);
ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_CHASSIS_CONTROL, NULL, ipmi_chassis_control);
+
+ // TODO: Testing for dbus property set/get and related methods.
+ printf("----> Start of chassis handler testing.\n");
+ set_sys_boot_options_t req = {0x80, 0x10, 0xA2, 0x3B, 0x45, 0x57};
+ char* set_value = uint8_to_char((uint8_t*)(&(req.data1)), 5);
+ dbus_set_property(set_value);
+ char* buf = (char*)malloc(NUM_RETURN_BYTES_OF_GET_USED * 2 + 1);
+ dbus_get_property(buf);
+ uint8_t* get_value = char_to_uint8(buf, NUM_RETURN_BYTES_OF_GET_USED);
+ int i;
+ printf("buf: %s\n", (char*)buf);
+ printf("0x");
+ for (i = 0; i < 5; i++) {
+ printf("%2x", get_value[i]);
+ }
+ printf("\n");
+ printf("----> End of chassis handler testing.\n");
+ free(buf);
+ free(set_value);
+ free(get_value);
}
diff --git a/chassishandler.h b/chassishandler.h
index 1a26411..0164ce1 100644
--- a/chassishandler.h
+++ b/chassishandler.h
@@ -3,12 +3,20 @@
#include <stdint.h>
+// TODO: Petitboot requires 8 bytes of response
+// however only 5 of them are used.
+#define NUM_RETURN_BYTES_OF_GET 8
+#define NUM_RETURN_BYTES_OF_GET_USED 5
+#define NUM_RETURN_BYTES_OF_SET 1
+#define NUM_INPUT_BYTES_OF_SET 5
+
// IPMI commands for Chassis net functions.
enum ipmi_netfn_app_cmds
{
// Chassis Control
IPMI_CMD_CHASSIS_CONTROL = 0x02,
// Get capability bits
+ IPMI_CMD_SET_SYS_BOOT_OPTIONS = 0x08,
IPMI_CMD_GET_SYS_BOOT_OPTIONS = 0x09,
};
--
2.6.3
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