diff options
| -rw-r--r-- | Makefile.toolchain | 1 | ||||
| -rw-r--r-- | board/samus_pd/board.h | 1 | ||||
| -rw-r--r-- | chip/lm4/config_chip.h | 1 | ||||
| -rw-r--r-- | chip/npcx/shi.c | 11 | ||||
| -rw-r--r-- | chip/stm32/i2c-stm32f0.c | 10 | ||||
| -rw-r--r-- | include/config.h | 6 | ||||
| -rw-r--r-- | include/ec_commands.h | 953 |
7 files changed, 553 insertions, 430 deletions
diff --git a/Makefile.toolchain b/Makefile.toolchain index 015701b6e4..202956d4ea 100644 --- a/Makefile.toolchain +++ b/Makefile.toolchain @@ -71,6 +71,7 @@ endif CFLAGS=$(CPPFLAGS) $(CFLAGS_CPU) $(CFLAGS_DEBUG) $(CFLAGS_WARN) $(CFLAGS_y) CFLAGS+= -ffunction-sections -fshort-wchar CFLAGS+= -fno-delete-null-pointer-checks -fconserve-stack +CFLAGS+= -DCHROMIUM_EC FTDIVERSION=$(shell $(PKG_CONFIG) --modversion libftdi1 2>/dev/null) ifneq ($(FTDIVERSION),) diff --git a/board/samus_pd/board.h b/board/samus_pd/board.h index a45d7d9264..51963fa5de 100644 --- a/board/samus_pd/board.h +++ b/board/samus_pd/board.h @@ -37,6 +37,7 @@ #undef CONFIG_DEBUG_ASSERT #define CONFIG_FORCE_CONSOLE_RESUME #define CONFIG_HIBERNATE_WAKEUP_PINS (STM32_PWR_CSR_EWUP3|STM32_PWR_CSR_EWUP8) +#define CONFIG_HOSTCMD_ALIGNED #undef CONFIG_HOSTCMD_EVENTS #define CONFIG_HW_CRC #define CONFIG_I2C diff --git a/chip/lm4/config_chip.h b/chip/lm4/config_chip.h index 0037fac515..ac12470097 100644 --- a/chip/lm4/config_chip.h +++ b/chip/lm4/config_chip.h @@ -92,6 +92,7 @@ /* Optional features present on this chip */ #define CONFIG_ADC +#define CONFIG_HOSTCMD_ALIGNED #define CONFIG_LPC #define CONFIG_PECI #define CONFIG_SWITCH diff --git a/chip/npcx/shi.c b/chip/npcx/shi.c index 449d932ba7..0e1b8b608d 100644 --- a/chip/npcx/shi.c +++ b/chip/npcx/shi.c @@ -126,10 +126,13 @@ BUILD_ASSERT(SHI_MAX_RESPONSE_SIZE <= SHI_BYPASS_BOUNDARY); /* * Our input and output msg buffers. These must be large enough for our largest - * message, including protocol overhead, and must be 32-bit aligned. + * message, including protocol overhead. The pointers after the protocol + * overhead, as passed to the host command handler, must be 32-bit aligned. */ -static uint8_t out_msg[SHI_MAX_RESPONSE_SIZE]; -static uint8_t in_msg[SHI_MAX_REQUEST_SIZE]; +#define SHI_OUT_PAD ((4 - EC_SPI_FRAME_START_LENGTH) % 4) +static uint8_t out_msg_padded[SHI_OUT_PAD + SHI_MAX_RESPONSE_SIZE] __aligned(4); +static uint8_t * const out_msg = out_msg_padded + SHI_OUT_PAD; +static uint8_t in_msg[SHI_MAX_REQUEST_SIZE] __aligned(4); /* Parameters used by host protocols */ static struct host_packet shi_packet; @@ -282,7 +285,7 @@ void shi_handle_host_package(void) shi_packet.response = out_msg + EC_SPI_FRAME_START_LENGTH; /* Reserve space for frame start and trailing past-end byte */ - shi_packet.response_max = sizeof(out_msg) - SHI_PROTO3_OVERHEAD; + shi_packet.response_max = SHI_MAX_RESPONSE_SIZE - SHI_PROTO3_OVERHEAD; shi_packet.response_size = 0; shi_packet.driver_result = EC_RES_SUCCESS; diff --git a/chip/stm32/i2c-stm32f0.c b/chip/stm32/i2c-stm32f0.c index d33941d5b5..5b58cb3e45 100644 --- a/chip/stm32/i2c-stm32f0.c +++ b/chip/stm32/i2c-stm32f0.c @@ -193,9 +193,11 @@ defined(CONFIG_LOW_POWER_IDLE) && \ /* Host command slave */ /* * Buffer for received host command packets (including prefix byte on request, - * and result/size on response) + * and result/size on response). After any protocol-specific headers, the + * buffers must be 32-bit aligned. */ -static uint8_t host_buffer[I2C_MAX_HOST_PACKET_SIZE + 2]; +static uint8_t host_buffer_padded[I2C_MAX_HOST_PACKET_SIZE + 4] __aligned(4); +static uint8_t * const host_buffer = host_buffer_padded + 2; static uint8_t params_copy[I2C_MAX_HOST_PACKET_SIZE] __aligned(4); static int host_i2c_resp_port; static int tx_pending; @@ -248,7 +250,9 @@ static void i2c_process_command(void) /* * Stuff response at buff[2] to leave the first two bytes of - * buffer available for the result and size to send over i2c. + * buffer available for the result and size to send over i2c. Note + * that this 2-byte offset and the 2-byte offset from host_buffer + * add up to make the response buffer 32-bit aligned. */ i2c_packet.response = (void *)(&buff[2]); i2c_packet.response_max = I2C_MAX_HOST_PACKET_SIZE; diff --git a/include/config.h b/include/config.h index 9c826e4c74..bd9a097188 100644 --- a/include/config.h +++ b/include/config.h @@ -1144,6 +1144,12 @@ */ #undef CONFIG_HOST_COMMAND_STATUS +/* + * Host command parameters and response are 32-bit aligned. This generates + * much more efficient code on ARM. + */ +#undef CONFIG_HOSTCMD_ALIGNED + /* Default hcdebug mode, e.g. HCDEBUG_OFF or HCDEBUG_NORMAL */ #define CONFIG_HOSTCMD_DEBUG_MODE HCDEBUG_NORMAL diff --git a/include/ec_commands.h b/include/ec_commands.h index ada096d8eb..2258d2b2cc 100644 --- a/include/ec_commands.h +++ b/include/ec_commands.h @@ -9,6 +9,15 @@ #define __CROS_EC_EC_COMMANDS_H /* + * Include common.h first for CONFIG_HOSTCMD_ALIGNED, if it's defined. This + * generates more efficient code for accessing request/response structures + * on ARM Cortex-M if the structures are guaranteed 32-bit aligned. + */ +#ifdef CHROMIUM_EC +#include "common.h" +#endif + +/* * Current version of this protocol * * TODO(crosbug.com/p/11223): This is effectively useless; protocol is @@ -338,6 +347,92 @@ #define __packed __attribute__((packed)) #endif +#ifndef __aligned +#define __aligned(x) __attribute__((aligned(x))) +#endif + +/* + * Attributes for EC request and response packets. Just defining __packed + * results in inefficient assembly code on ARM, if the structure is actually + * 32-bit aligned, as it should be for all buffers. + * + * Be very careful when adding these to existing structures. They will round + * up the structure size to the specified boundary. + * + * Also be very careful to make that if a structure is included in some other + * parent structure that the alignment will still be true given the packing of + * the parent structure. This is particularly important if the sub-structure + * will be passed as a pointer to another function, since that function will + * not know about the misaligment caused by the parent structure's packing. + * + * Also be very careful using __packed - particularly when nesting non-packed + * structures inside packed ones. In fact, DO NOT use __packed directly; + * always use one of these attributes. + * + * Once everything is annotated properly, the following search strings should + * not return ANY matches in this file other than right here: + * + * "__packed" - generates inefficient code; all sub-structs must also be packed + * + * "struct [^_]" - all structs should be annotated, except for structs that are + * members of other structs/unions (and their original declarations should be + * annotated). + */ +#ifdef CONFIG_HOSTCMD_ALIGNED + +/* + * Packed structures where offset and size are always aligned to 1, 2, or 4 + * byte boundary. + */ +#define __ec_align1 __packed +#define __ec_align2 __packed __aligned(2) +#define __ec_align4 __packed __aligned(4) + +/* + * Packed structure which must be under-aligned, because its size is not a + * 4-byte multiple. This is sub-optimal because it forces byte-wise access + * of all multi-byte fields in it, even though they are themselves aligned. + * + * In theory, we could duplicate the structure with __aligned(4) for accessing + * its members, but use the __packed version for sizeof(). + */ +#define __ec_align_size1 __packed + +/* + * Packed structure which must be under-aligned, because its offset inside a + * parent structure is not a 4-byte multiple. + */ +#define __ec_align_offset1 __packed +#define __ec_align_offset2 __packed __aligned(2) + +/* + * Structures which are complicated enough that I'm skipping them on the first + * pass. They are effectively unchanged from their previous definitions. + * + * TODO(rspangler): Figure out what to do with these. It's likely necessary + * to work out the size and offset of each member and add explicit padding to + * maintain those. + */ +#define __ec_todo_packed __packed +#define __ec_todo_unpacked + +#else /* !CONFIG_HOSTCMD_ALIGNED */ + +/* + * Packed structures make no assumption about alignment, so they do inefficient + * byte-wise reads. + */ +#define __ec_align1 __packed +#define __ec_align2 __packed +#define __ec_align4 __packed +#define __ec_align_size1 __packed +#define __ec_align_offset1 __packed +#define __ec_align_offset2 __packed +#define __ec_todo_packed __packed +#define __ec_todo_unpacked + +#endif /* !CONFIG_HOSTCMD_ALIGNED */ + /* LPC command status byte masks */ /* EC has written a byte in the data register and host hasn't read it yet */ #define EC_LPC_STATUS_TO_HOST 0x01 @@ -466,7 +561,7 @@ enum host_event_code { #define EC_HOST_EVENT_MASK(event_code) (1UL << ((event_code) - 1)) /* Arguments at EC_LPC_ADDR_HOST_ARGS */ -struct ec_lpc_host_args { +struct __ec_align4 ec_lpc_host_args { uint8_t flags; uint8_t command_version; uint8_t data_size; @@ -475,7 +570,7 @@ struct ec_lpc_host_args { * all params/response data bytes. */ uint8_t checksum; -} __packed; +}; /* Flags for ec_lpc_host_args.flags */ /* @@ -628,8 +723,8 @@ struct ec_lpc_host_args { #define EC_HOST_REQUEST_VERSION 3 /* Version 3 request from host */ -struct ec_host_request { - /* Struct version (=3) +struct __ec_align4 ec_host_request { + /* Structure version (=3) * * EC will return EC_RES_INVALID_HEADER if it receives a header with a * version it doesn't know how to parse. @@ -653,13 +748,13 @@ struct ec_host_request { /* Length of data which follows this header */ uint16_t data_len; -} __packed; +}; #define EC_HOST_RESPONSE_VERSION 3 /* Version 3 response from EC */ -struct ec_host_response { - /* Struct version (=3) */ +struct __ec_align4 ec_host_response { + /* Structure version (=3) */ uint8_t struct_version; /* @@ -676,14 +771,14 @@ struct ec_host_response { /* Unused bytes in current protocol version; set to 0 */ uint16_t reserved; -} __packed; +}; /*****************************************************************************/ /* * Notes on commands: * * Each command is an 16-bit command value. Commands which take params or - * return response data specify structs for that data. If no struct is + * return response data specify structures for that data. If no structure is * specified, the command does not input or output data, respectively. * Parameter/response length is implicit in the structs. Some underlying * communication protocols (I2C, SPI) may add length or checksum headers, but @@ -699,9 +794,9 @@ struct ec_host_response { */ #define EC_CMD_PROTO_VERSION 0x00 -struct ec_response_proto_version { +struct __ec_align4 ec_response_proto_version { uint32_t version; -} __packed; +}; /* * Hello. This is a simple command to test the EC is responsive to @@ -709,13 +804,13 @@ struct ec_response_proto_version { */ #define EC_CMD_HELLO 0x01 -struct ec_params_hello { +struct __ec_align4 ec_params_hello { uint32_t in_data; /* Pass anything here */ -} __packed; +}; -struct ec_response_hello { +struct __ec_align4 ec_response_hello { uint32_t out_data; /* Output will be in_data + 0x01020304 */ -} __packed; +}; /* Get version number */ #define EC_CMD_GET_VERSION 0x02 @@ -726,25 +821,25 @@ enum ec_current_image { EC_IMAGE_RW }; -struct ec_response_get_version { +struct __ec_align4 ec_response_get_version { /* Null-terminated version strings for RO, RW */ char version_string_ro[32]; char version_string_rw[32]; char reserved[32]; /* Was previously RW-B string */ uint32_t current_image; /* One of ec_current_image */ -} __packed; +}; /* Read test */ #define EC_CMD_READ_TEST 0x03 -struct ec_params_read_test { +struct __ec_align4 ec_params_read_test { uint32_t offset; /* Starting value for read buffer */ uint32_t size; /* Size to read in bytes */ -} __packed; +}; -struct ec_response_read_test { +struct __ec_align4 ec_response_read_test { uint32_t data[32]; -} __packed; +}; /* * Get build information @@ -756,19 +851,19 @@ struct ec_response_read_test { /* Get chip info */ #define EC_CMD_GET_CHIP_INFO 0x05 -struct ec_response_get_chip_info { +struct __ec_align4 ec_response_get_chip_info { /* Null-terminated strings */ char vendor[32]; char name[32]; char revision[32]; /* Mask version */ -} __packed; +}; /* Get board HW version */ #define EC_CMD_GET_BOARD_VERSION 0x06 -struct ec_response_board_version { +struct __ec_align2 ec_response_board_version { uint16_t board_version; /* A monotonously incrementing number. */ -} __packed; +}; /* * Read memory-mapped data. @@ -780,29 +875,29 @@ struct ec_response_board_version { */ #define EC_CMD_READ_MEMMAP 0x07 -struct ec_params_read_memmap { +struct __ec_align1 ec_params_read_memmap { uint8_t offset; /* Offset in memmap (EC_MEMMAP_*) */ uint8_t size; /* Size to read in bytes */ -} __packed; +}; /* Read versions supported for a command */ #define EC_CMD_GET_CMD_VERSIONS 0x08 -struct ec_params_get_cmd_versions { +struct __ec_align1 ec_params_get_cmd_versions { uint8_t cmd; /* Command to check */ -} __packed; +}; -struct ec_params_get_cmd_versions_v1 { +struct __ec_align2 ec_params_get_cmd_versions_v1 { uint16_t cmd; /* Command to check */ -} __packed; +}; -struct ec_response_get_cmd_versions { +struct __ec_align4 ec_response_get_cmd_versions { /* * Mask of supported versions; use EC_VER_MASK() to compare with a * desired version. */ uint32_t version_mask; -} __packed; +}; /* * Check EC communications status (busy). This is needed on i2c/spi but not @@ -818,24 +913,24 @@ enum ec_comms_status { EC_COMMS_STATUS_PROCESSING = 1 << 0, /* Processing cmd */ }; -struct ec_response_get_comms_status { +struct __ec_align4 ec_response_get_comms_status { uint32_t flags; /* Mask of enum ec_comms_status */ -} __packed; +}; /* Fake a variety of responses, purely for testing purposes. */ #define EC_CMD_TEST_PROTOCOL 0x0a /* Tell the EC what to send back to us. */ -struct ec_params_test_protocol { +struct __ec_align4 ec_params_test_protocol { uint32_t ec_result; uint32_t ret_len; uint8_t buf[32]; -} __packed; +}; /* Here it comes... */ -struct ec_response_test_protocol { +struct __ec_align4 ec_response_test_protocol { uint8_t buf[32]; -} __packed; +}; /* Get protocol information */ #define EC_CMD_GET_PROTOCOL_INFO 0x0b @@ -844,7 +939,7 @@ struct ec_response_test_protocol { /* EC_RES_IN_PROGRESS may be returned if a command is slow */ #define EC_PROTOCOL_INFO_IN_PROGRESS_SUPPORTED (1 << 0) -struct ec_response_get_protocol_info { +struct __ec_align4 ec_response_get_protocol_info { /* Fields which exist if at least protocol version 3 supported */ /* Bitmask of protocol versions supported (1 << n means version n)*/ @@ -858,7 +953,7 @@ struct ec_response_get_protocol_info { /* Flags; see EC_PROTOCOL_INFO_* */ uint32_t flags; -} __packed; +}; /*****************************************************************************/ @@ -871,15 +966,15 @@ struct ec_response_get_protocol_info { meaning for an individual command. */ #define EC_GSV_PARAM_MASK 0x00ffffff -struct ec_params_get_set_value { +struct __ec_align4 ec_params_get_set_value { uint32_t flags; uint32_t value; -} __packed; +}; -struct ec_response_get_set_value { +struct __ec_align4 ec_response_get_set_value { uint32_t flags; uint32_t value; -} __packed; +}; /* More than one command can use these structs to get/set parameters. */ #define EC_CMD_GSV_PAUSE_IN_S5 0x0c @@ -971,9 +1066,9 @@ enum ec_feature_code { #define EC_FEATURE_MASK_0(event_code) (1UL << (event_code % 32)) #define EC_FEATURE_MASK_1(event_code) (1UL << (event_code - 32)) -struct ec_response_get_features { +struct __ec_align4 ec_response_get_features { uint32_t flags[2]; -} __packed; +}; /*****************************************************************************/ /* Flash commands */ @@ -982,7 +1077,7 @@ struct ec_response_get_features { #define EC_CMD_FLASH_INFO 0x10 /* Version 0 returns these fields */ -struct ec_response_flash_info { +struct __ec_align4 ec_response_flash_info { /* Usable flash size, in bytes */ uint32_t flash_size; /* @@ -1000,7 +1095,7 @@ struct ec_response_flash_info { * multiple of this. */ uint32_t protect_block_size; -} __packed; +}; /* Flags for version 1+ flash info command */ /* EC flash erases bits to 0 instead of 1 */ @@ -1011,9 +1106,10 @@ struct ec_response_flash_info { * fields following. * * gcc anonymous structs don't seem to get along with the __packed directive; - * if they did we'd define the version 0 struct as a sub-struct of this one. + * if they did we'd define the version 0 structure as a sub-structure of this + * one. */ -struct ec_response_flash_info_1 { +struct __ec_align4 ec_response_flash_info_1 { /* Version 0 fields; see above for description */ uint32_t flash_size; uint32_t write_block_size; @@ -1031,7 +1127,7 @@ struct ec_response_flash_info_1 { /* Flags; see EC_FLASH_INFO_* */ uint32_t flags; -} __packed; +}; /* * Read flash @@ -1040,10 +1136,10 @@ struct ec_response_flash_info_1 { */ #define EC_CMD_FLASH_READ 0x11 -struct ec_params_flash_read { +struct __ec_align4 ec_params_flash_read { uint32_t offset; /* Byte offset to read */ uint32_t size; /* Size to read in bytes */ -} __packed; +}; /* Write flash */ #define EC_CMD_FLASH_WRITE 0x12 @@ -1052,19 +1148,19 @@ struct ec_params_flash_read { /* Version 0 of the flash command supported only 64 bytes of data */ #define EC_FLASH_WRITE_VER0_SIZE 64 -struct ec_params_flash_write { +struct __ec_align4 ec_params_flash_write { uint32_t offset; /* Byte offset to write */ uint32_t size; /* Size to write in bytes */ /* Followed by data to write */ -} __packed; +}; /* Erase flash */ #define EC_CMD_FLASH_ERASE 0x13 -struct ec_params_flash_erase { +struct __ec_align4 ec_params_flash_erase { uint32_t offset; /* Byte offset to erase */ uint32_t size; /* Size to erase in bytes */ -} __packed; +}; /* * Get/set flash protection. @@ -1102,12 +1198,12 @@ struct ec_params_flash_erase { /* Entire flash code protected when the EC boots */ #define EC_FLASH_PROTECT_ALL_AT_BOOT (1 << 6) -struct ec_params_flash_protect { +struct __ec_align4 ec_params_flash_protect { uint32_t mask; /* Bits in flags to apply */ uint32_t flags; /* New flags to apply */ -} __packed; +}; -struct ec_response_flash_protect { +struct __ec_align4 ec_response_flash_protect { /* Current value of flash protect flags */ uint32_t flags; /* @@ -1118,7 +1214,7 @@ struct ec_response_flash_protect { uint32_t valid_flags; /* Flags which can be changed given the current protection state */ uint32_t writable_flags; -} __packed; +}; /* * Note: commands 0x14 - 0x19 version 0 were old commands to get/set flash @@ -1143,14 +1239,14 @@ enum ec_flash_region { EC_FLASH_REGION_COUNT, }; -struct ec_params_flash_region_info { +struct __ec_align4 ec_params_flash_region_info { uint32_t region; /* enum ec_flash_region */ -} __packed; +}; -struct ec_response_flash_region_info { +struct __ec_align4 ec_response_flash_region_info { uint32_t offset; uint32_t size; -} __packed; +}; /* Read/write VbNvContext */ #define EC_CMD_VBNV_CONTEXT 0x17 @@ -1162,20 +1258,20 @@ enum ec_vbnvcontext_op { EC_VBNV_CONTEXT_OP_WRITE, }; -struct ec_params_vbnvcontext { +struct __ec_align4 ec_params_vbnvcontext { uint32_t op; uint8_t block[EC_VBNV_BLOCK_SIZE]; -} __packed; +}; -struct ec_response_vbnvcontext { +struct __ec_align4 ec_response_vbnvcontext { uint8_t block[EC_VBNV_BLOCK_SIZE]; -} __packed; +}; /* Get SPI flash information */ #define EC_CMD_FLASH_SPI_INFO 0x18 -struct ec_response_flash_spi_info { +struct __ec_align1 ec_response_flash_spi_info { /* JEDEC info from command 0x9F (manufacturer, memory type, size) */ uint8_t jedec[3]; @@ -1187,7 +1283,7 @@ struct ec_response_flash_spi_info { /* Status registers from command 0x05 and 0x35 */ uint8_t sr1, sr2; -} __packed; +}; /*****************************************************************************/ /* PWM commands */ @@ -1195,54 +1291,54 @@ struct ec_response_flash_spi_info { /* Get fan target RPM */ #define EC_CMD_PWM_GET_FAN_TARGET_RPM 0x20 -struct ec_response_pwm_get_fan_rpm { +struct __ec_align4 ec_response_pwm_get_fan_rpm { uint32_t rpm; -} __packed; +}; /* Set target fan RPM */ #define EC_CMD_PWM_SET_FAN_TARGET_RPM 0x21 /* Version 0 of input params */ -struct ec_params_pwm_set_fan_target_rpm_v0 { +struct __ec_align4 ec_params_pwm_set_fan_target_rpm_v0 { uint32_t rpm; -} __packed; +}; /* Version 1 of input params */ -struct ec_params_pwm_set_fan_target_rpm_v1 { +struct __ec_align_size1 ec_params_pwm_set_fan_target_rpm_v1 { uint32_t rpm; uint8_t fan_idx; -} __packed; +}; /* Get keyboard backlight */ /* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */ #define EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT 0x22 -struct ec_response_pwm_get_keyboard_backlight { +struct __ec_align1 ec_response_pwm_get_keyboard_backlight { uint8_t percent; uint8_t enabled; -} __packed; +}; /* Set keyboard backlight */ /* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */ #define EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT 0x23 -struct ec_params_pwm_set_keyboard_backlight { +struct __ec_align1 ec_params_pwm_set_keyboard_backlight { uint8_t percent; -} __packed; +}; /* Set target fan PWM duty cycle */ #define EC_CMD_PWM_SET_FAN_DUTY 0x24 /* Version 0 of input params */ -struct ec_params_pwm_set_fan_duty_v0 { +struct __ec_align4 ec_params_pwm_set_fan_duty_v0 { uint32_t percent; -} __packed; +}; /* Version 1 of input params */ -struct ec_params_pwm_set_fan_duty_v1 { +struct __ec_align_size1 ec_params_pwm_set_fan_duty_v1 { uint32_t percent; uint8_t fan_idx; -} __packed; +}; #define EC_CMD_PWM_SET_DUTY 0x25 /* 16 bit duty cycle, 0xffff = 100% */ @@ -1258,22 +1354,22 @@ enum ec_pwm_type { EC_PWM_TYPE_COUNT, }; -struct ec_params_pwm_set_duty { +struct __ec_align4 ec_params_pwm_set_duty { uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */ uint8_t pwm_type; /* ec_pwm_type */ uint8_t index; /* Type-specific index, or 0 if unique */ -} __packed; +}; #define EC_CMD_PWM_GET_DUTY 0x26 -struct ec_params_pwm_get_duty { +struct __ec_align1 ec_params_pwm_get_duty { uint8_t pwm_type; /* ec_pwm_type */ uint8_t index; /* Type-specific index, or 0 if unique */ -} __packed; +}; -struct ec_response_pwm_get_duty { +struct __ec_align2 ec_response_pwm_get_duty { uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */ -} __packed; +}; /*****************************************************************************/ /* @@ -1284,7 +1380,7 @@ struct ec_response_pwm_get_duty { */ #define EC_CMD_LIGHTBAR_CMD 0x28 -struct rgb_s { +struct __ec_todo_unpacked rgb_s { uint8_t r, g, b; }; @@ -1292,7 +1388,7 @@ struct rgb_s { /* List of tweakable parameters. NOTE: It's __packed so it can be sent in a * host command, but the alignment is the same regardless. Keep it that way. */ -struct lightbar_params_v0 { +struct __ec_todo_packed lightbar_params_v0 { /* Timing */ int32_t google_ramp_up; int32_t google_ramp_down; @@ -1324,9 +1420,9 @@ struct lightbar_params_v0 { /* Color palette */ struct rgb_s color[8]; /* 0-3 are Google colors */ -} __packed; +}; -struct lightbar_params_v1 { +struct __ec_todo_packed lightbar_params_v1 { /* Timing */ int32_t google_ramp_up; int32_t google_ramp_down; @@ -1373,7 +1469,7 @@ struct lightbar_params_v1 { /* Color palette */ struct rgb_s color[8]; /* 0-3 are Google colors */ -} __packed; +}; /* Lightbar command params v2 * crbug.com/467716 @@ -1384,7 +1480,7 @@ struct lightbar_params_v1 { * NOTE: Each of these groups must be less than 120 bytes. */ -struct lightbar_params_v2_timing { +struct __ec_todo_packed lightbar_params_v2_timing { /* Timing */ int32_t google_ramp_up; int32_t google_ramp_down; @@ -1400,9 +1496,9 @@ struct lightbar_params_v2_timing { int32_t tap_tick_delay; int32_t tap_gate_delay; int32_t tap_display_time; -} __packed; +}; -struct lightbar_params_v2_tap { +struct __ec_todo_packed lightbar_params_v2_tap { /* Tap-for-battery params */ uint8_t tap_pct_red; uint8_t tap_pct_green; @@ -1410,28 +1506,28 @@ struct lightbar_params_v2_tap { uint8_t tap_seg_max_on; uint8_t tap_seg_osc; uint8_t tap_idx[3]; -} __packed; +}; -struct lightbar_params_v2_oscillation { +struct __ec_todo_packed lightbar_params_v2_oscillation { /* Oscillation */ uint8_t osc_min[2]; /* AC=0/1 */ uint8_t osc_max[2]; /* AC=0/1 */ uint8_t w_ofs[2]; /* AC=0/1 */ -} __packed; +}; -struct lightbar_params_v2_brightness { +struct __ec_todo_packed lightbar_params_v2_brightness { /* Brightness limits based on the backlight and AC. */ uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */ uint8_t bright_bl_on_min[2]; /* AC=0/1 */ uint8_t bright_bl_on_max[2]; /* AC=0/1 */ -} __packed; +}; -struct lightbar_params_v2_thresholds { +struct __ec_todo_packed lightbar_params_v2_thresholds { /* Battery level thresholds */ uint8_t battery_threshold[LB_BATTERY_LEVELS - 1]; -} __packed; +}; -struct lightbar_params_v2_colors { +struct __ec_todo_packed lightbar_params_v2_colors { /* Map [AC][battery_level] to color index */ uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */ uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */ @@ -1441,19 +1537,19 @@ struct lightbar_params_v2_colors { /* Color palette */ struct rgb_s color[8]; /* 0-3 are Google colors */ -} __packed; +}; /* Lightbyte program. */ #define EC_LB_PROG_LEN 192 -struct lightbar_program { +struct __ec_todo_unpacked lightbar_program { uint8_t size; uint8_t data[EC_LB_PROG_LEN]; }; -struct ec_params_lightbar { +struct __ec_todo_packed ec_params_lightbar { uint8_t cmd; /* Command (see enum lightbar_command) */ union { - struct { + struct __ec_todo_unpacked { /* no args */ } dump, off, on, init, get_seq, get_params_v0, get_params_v1, version, get_brightness, get_demo, suspend, resume, @@ -1461,23 +1557,23 @@ struct ec_params_lightbar { get_params_v2_osc, get_params_v2_bright, get_params_v2_thlds, get_params_v2_colors; - struct { + struct __ec_todo_unpacked { uint8_t num; } set_brightness, seq, demo; - struct { + struct __ec_todo_unpacked { uint8_t ctrl, reg, value; } reg; - struct { + struct __ec_todo_unpacked { uint8_t led, red, green, blue; } set_rgb; - struct { + struct __ec_todo_unpacked { uint8_t led; } get_rgb; - struct { + struct __ec_todo_unpacked { uint8_t enable; } manual_suspend_ctrl; @@ -1493,19 +1589,19 @@ struct ec_params_lightbar { struct lightbar_program set_program; }; -} __packed; +}; -struct ec_response_lightbar { +struct __ec_todo_packed ec_response_lightbar { union { - struct { - struct { + struct __ec_todo_unpacked { + struct __ec_todo_unpacked { uint8_t reg; uint8_t ic0; uint8_t ic1; } vals[23]; } dump; - struct { + struct __ec_todo_unpacked { uint8_t num; } get_seq, get_brightness, get_demo; @@ -1520,16 +1616,16 @@ struct ec_response_lightbar { struct lightbar_params_v2_thresholds get_params_v2_thlds; struct lightbar_params_v2_colors get_params_v2_colors; - struct { + struct __ec_todo_unpacked { uint32_t num; uint32_t flags; } version; - struct { + struct __ec_todo_unpacked { uint8_t red, green, blue; } get_rgb; - struct { + struct __ec_todo_unpacked { /* no return params */ } off, on, init, set_brightness, seq, reg, set_rgb, demo, set_params_v0, set_params_v1, @@ -1538,7 +1634,7 @@ struct ec_response_lightbar { set_v2par_osc, set_v2par_bright, set_v2par_thlds, set_v2par_colors; }; -} __packed; +}; /* Lightbar commands */ enum lightbar_command { @@ -1613,14 +1709,14 @@ enum ec_led_colors { EC_LED_COLOR_COUNT }; -struct ec_params_led_control { +struct __ec_align1 ec_params_led_control { uint8_t led_id; /* Which LED to control */ uint8_t flags; /* Control flags */ uint8_t brightness[EC_LED_COLOR_COUNT]; -} __packed; +}; -struct ec_response_led_control { +struct __ec_align1 ec_response_led_control { /* * Available brightness value range. * @@ -1629,7 +1725,7 @@ struct ec_response_led_control { * Other values means the LED is control by PWM. */ uint8_t brightness_range[EC_LED_COLOR_COUNT]; -} __packed; +}; /*****************************************************************************/ /* Verified boot commands */ @@ -1642,7 +1738,7 @@ struct ec_response_led_control { /* Verified boot hash command */ #define EC_CMD_VBOOT_HASH 0x2a -struct ec_params_vboot_hash { +struct __ec_align4 ec_params_vboot_hash { uint8_t cmd; /* enum ec_vboot_hash_cmd */ uint8_t hash_type; /* enum ec_vboot_hash_type */ uint8_t nonce_size; /* Nonce size; may be 0 */ @@ -1650,9 +1746,9 @@ struct ec_params_vboot_hash { uint32_t offset; /* Offset in flash to hash */ uint32_t size; /* Number of bytes to hash */ uint8_t nonce_data[64]; /* Nonce data; ignored if nonce_size=0 */ -} __packed; +}; -struct ec_response_vboot_hash { +struct __ec_align4 ec_response_vboot_hash { uint8_t status; /* enum ec_vboot_hash_status */ uint8_t hash_type; /* enum ec_vboot_hash_type */ uint8_t digest_size; /* Size of hash digest in bytes */ @@ -1660,7 +1756,7 @@ struct ec_response_vboot_hash { uint32_t offset; /* Offset in flash which was hashed */ uint32_t size; /* Number of bytes hashed */ uint8_t hash_digest[64]; /* Hash digest data */ -} __packed; +}; enum ec_vboot_hash_cmd { EC_VBOOT_HASH_GET = 0, /* Get current hash status */ @@ -1838,7 +1934,7 @@ enum motionsensor_chip { MOTIONSENSE_CHIP_BMP280 = 9, }; -struct ec_response_motion_sensor_data { +struct __ec_todo_packed ec_response_motion_sensor_data { /* Flags for each sensor. */ uint8_t flags; /* sensor number the data comes from */ @@ -1846,19 +1942,20 @@ struct ec_response_motion_sensor_data { /* Each sensor is up to 3-axis. */ union { int16_t data[3]; - struct { + struct __ec_todo_packed { uint16_t rsvd; uint32_t timestamp; - } __packed; - struct { + }; + struct __ec_todo_unpacked { uint8_t activity; /* motionsensor_activity */ uint8_t state; int16_t add_info[2]; }; }; -} __packed; +}; -struct ec_response_motion_sense_fifo_info { +/* Note: used in ec_response_get_next_data */ +struct __ec_todo_packed ec_response_motion_sense_fifo_info { /* Size of the fifo */ uint16_t size; /* Amount of space used in the fifo */ @@ -1869,12 +1966,12 @@ struct ec_response_motion_sense_fifo_info { uint16_t total_lost; /* Lost events since the last fifo_info, per sensors */ uint16_t lost[0]; -} __packed; +}; -struct ec_response_motion_sense_fifo_data { +struct __ec_todo_packed ec_response_motion_sense_fifo_data { uint32_t number_data; struct ec_response_motion_sensor_data data[0]; -} __packed; +}; /* List supported activity recognition */ enum motionsensor_activity { @@ -1883,7 +1980,7 @@ enum motionsensor_activity { MOTIONSENSE_ACTIVITY_DOUBLE_TAP = 2, }; -struct ec_motion_sense_activity { +struct __ec_todo_unpacked ec_motion_sense_activity { uint8_t sensor_num; uint8_t activity; /* one of enum motionsensor_activity */ uint8_t enable; /* 1: enable, 0: disable */ @@ -1921,11 +2018,11 @@ struct ec_motion_sense_activity { #define LID_ANGLE_UNRELIABLE 500 -struct ec_params_motion_sense { +struct __ec_todo_packed ec_params_motion_sense { uint8_t cmd; union { /* Used for MOTIONSENSE_CMD_DUMP */ - struct { + struct __ec_todo_unpacked { /* * Maximal number of sensor the host is expecting. * 0 means the host is only interested in the number @@ -1937,7 +2034,7 @@ struct ec_params_motion_sense { /* * Used for MOTIONSENSE_CMD_KB_WAKE_ANGLE. */ - struct { + struct __ec_todo_unpacked { /* Data to set or EC_MOTION_SENSE_NO_VALUE to read. * kb_wake_angle: angle to wakup AP. */ @@ -1946,7 +2043,7 @@ struct ec_params_motion_sense { /* Used for MOTIONSENSE_CMD_INFO, MOTIONSENSE_CMD_DATA * and MOTIONSENSE_CMD_PERFORM_CALIB. */ - struct { + struct __ec_todo_unpacked { uint8_t sensor_num; } info, data, fifo_flush, perform_calib, list_activities; @@ -1954,7 +2051,7 @@ struct ec_params_motion_sense { * Used for MOTIONSENSE_CMD_EC_RATE, MOTIONSENSE_CMD_SENSOR_ODR * and MOTIONSENSE_CMD_SENSOR_RANGE. */ - struct { + struct __ec_todo_unpacked { uint8_t sensor_num; /* Rounding flag, true for round-up, false for down. */ @@ -1967,7 +2064,7 @@ struct ec_params_motion_sense { } ec_rate, sensor_odr, sensor_range; /* Used for MOTIONSENSE_CMD_SENSOR_OFFSET */ - struct { + struct __ec_todo_packed { uint8_t sensor_num; /* @@ -1993,14 +2090,14 @@ struct ec_params_motion_sense { * Compass: 1/16 uT */ int16_t offset[3]; - } __packed sensor_offset; + } sensor_offset; /* Used for MOTIONSENSE_CMD_FIFO_INFO */ - struct { + struct __ec_todo_unpacked { } fifo_info; /* Used for MOTIONSENSE_CMD_FIFO_READ */ - struct { + struct __ec_todo_unpacked { /* * Number of expected vector to return. * EC may return less or 0 if none available. @@ -2011,11 +2108,11 @@ struct ec_params_motion_sense { struct ec_motion_sense_activity set_activity; /* Used for MOTIONSENSE_CMD_LID_ANGLE */ - struct { + struct __ec_todo_unpacked { } lid_angle; /* Used for MOTIONSENSE_CMD_FIFO_INT_ENABLE */ - struct { + struct __ec_todo_unpacked { /* * 1: enable, 0 disable fifo, * EC_MOTION_SENSE_NO_VALUE return value. @@ -2023,12 +2120,12 @@ struct ec_params_motion_sense { int8_t enable; } fifo_int_enable; }; -} __packed; +}; -struct ec_response_motion_sense { +struct __ec_todo_packed ec_response_motion_sense { union { /* Used for MOTIONSENSE_CMD_DUMP */ - struct { + struct __ec_todo_unpacked { /* Flags representing the motion sensor module. */ uint8_t module_flags; @@ -2043,7 +2140,7 @@ struct ec_response_motion_sense { } dump; /* Used for MOTIONSENSE_CMD_INFO. */ - struct { + struct __ec_todo_unpacked { /* Should be element of enum motionsensor_type. */ uint8_t type; @@ -2063,14 +2160,14 @@ struct ec_response_motion_sense { * MOTIONSENSE_CMD_KB_WAKE_ANGLE and * MOTIONSENSE_CMD_FIFO_INT_ENABLE. */ - struct { + struct __ec_todo_unpacked { /* Current value of the parameter queried. */ int32_t ret; } ec_rate, sensor_odr, sensor_range, kb_wake_angle, fifo_int_enable; /* Used for MOTIONSENSE_CMD_SENSOR_OFFSET */ - struct { + struct __ec_todo_unpacked { int16_t temp; int16_t offset[3]; } sensor_offset, perform_calib; @@ -2079,18 +2176,17 @@ struct ec_response_motion_sense { struct ec_response_motion_sense_fifo_data fifo_read; - struct { + struct __ec_todo_packed { uint16_t reserved; uint32_t enabled; uint32_t disabled; - } __packed list_activities; + } list_activities; - struct { + struct __ec_todo_unpacked { } set_activity; - /* Used for MOTIONSENSE_CMD_LID_ANGLE */ - struct { + struct __ec_todo_unpacked { /* * Angle between 0 and 360 degree if available, * LID_ANGLE_UNRELIABLE otherwise. @@ -2098,7 +2194,7 @@ struct ec_response_motion_sense { uint16_t value; } lid_angle; }; -} __packed; +}; /*****************************************************************************/ /* Force lid open command */ @@ -2106,9 +2202,9 @@ struct ec_response_motion_sense { /* Make lid event always open */ #define EC_CMD_FORCE_LID_OPEN 0x2c -struct ec_params_force_lid_open { +struct __ec_align1 ec_params_force_lid_open { uint8_t enabled; -} __packed; +}; /*****************************************************************************/ /* USB charging control commands */ @@ -2116,10 +2212,10 @@ struct ec_params_force_lid_open { /* Set USB port charging mode */ #define EC_CMD_USB_CHARGE_SET_MODE 0x30 -struct ec_params_usb_charge_set_mode { +struct __ec_align1 ec_params_usb_charge_set_mode { uint8_t usb_port_id; uint8_t mode; -} __packed; +}; /*****************************************************************************/ /* Persistent storage for host */ @@ -2130,12 +2226,12 @@ struct ec_params_usb_charge_set_mode { /* Get persistent storage info */ #define EC_CMD_PSTORE_INFO 0x40 -struct ec_response_pstore_info { +struct __ec_align4 ec_response_pstore_info { /* Persistent storage size, in bytes */ uint32_t pstore_size; /* Access size; read/write offset and size must be a multiple of this */ uint32_t access_size; -} __packed; +}; /* * Read persistent storage @@ -2144,31 +2240,31 @@ struct ec_response_pstore_info { */ #define EC_CMD_PSTORE_READ 0x41 -struct ec_params_pstore_read { +struct __ec_align4 ec_params_pstore_read { uint32_t offset; /* Byte offset to read */ uint32_t size; /* Size to read in bytes */ -} __packed; +}; /* Write persistent storage */ #define EC_CMD_PSTORE_WRITE 0x42 -struct ec_params_pstore_write { +struct __ec_align4 ec_params_pstore_write { uint32_t offset; /* Byte offset to write */ uint32_t size; /* Size to write in bytes */ uint8_t data[EC_PSTORE_SIZE_MAX]; -} __packed; +}; /*****************************************************************************/ /* Real-time clock */ /* RTC params and response structures */ -struct ec_params_rtc { +struct __ec_align4 ec_params_rtc { uint32_t time; -} __packed; +}; -struct ec_response_rtc { +struct __ec_align4 ec_response_rtc { uint32_t time; -} __packed; +}; /* These use ec_response_rtc */ #define EC_CMD_RTC_GET_VALUE 0x44 @@ -2196,32 +2292,32 @@ enum ec_port80_subcmd { EC_PORT80_READ_BUFFER, }; -struct ec_params_port80_read { +struct __ec_todo_packed ec_params_port80_read { uint16_t subcmd; union { - struct { + struct __ec_todo_unpacked { uint32_t offset; uint32_t num_entries; } read_buffer; }; -} __packed; +}; -struct ec_response_port80_read { +struct __ec_todo_packed ec_response_port80_read { union { - struct { + struct __ec_todo_unpacked { uint32_t writes; uint32_t history_size; uint32_t last_boot; } get_info; - struct { + struct __ec_todo_unpacked { uint16_t codes[EC_PORT80_SIZE_MAX]; } data; }; -} __packed; +}; -struct ec_response_port80_last_boot { +struct __ec_align2 ec_response_port80_last_boot { uint16_t code; -} __packed; +}; /*****************************************************************************/ /* Temporary secure storage for host verified boot use */ @@ -2234,13 +2330,12 @@ struct ec_response_port80_last_boot { /* Get persistent storage info */ #define EC_CMD_VSTORE_INFO 0x49 - -struct ec_response_vstore_info { +struct __ec_align_size1 ec_response_vstore_info { /* Indicates which slots are locked */ uint32_t slot_locked; /* Total number of slots available */ uint8_t slot_count; -} __packed; +}; /* * Read temporary secure storage @@ -2249,23 +2344,23 @@ struct ec_response_vstore_info { */ #define EC_CMD_VSTORE_READ 0x4a -struct ec_params_vstore_read { +struct __ec_align1 ec_params_vstore_read { uint8_t slot; /* Slot to read from */ -} __packed; +}; -struct ec_response_vstore_read { +struct __ec_align1 ec_response_vstore_read { uint8_t data[EC_VSTORE_SLOT_SIZE]; -} __packed; +}; /* * Write temporary secure storage and lock it. */ #define EC_CMD_VSTORE_WRITE 0x4b -struct ec_params_vstore_write { +struct __ec_align1 ec_params_vstore_write { uint8_t slot; /* Slot to write to */ uint8_t data[EC_VSTORE_SLOT_SIZE]; -} __packed; +}; /*****************************************************************************/ /* Thermal engine commands. Note that there are two implementations. We'll @@ -2282,21 +2377,21 @@ struct ec_params_vstore_write { */ /* Version 0 - set */ -struct ec_params_thermal_set_threshold { +struct __ec_align2 ec_params_thermal_set_threshold { uint8_t sensor_type; uint8_t threshold_id; uint16_t value; -} __packed; +}; /* Version 0 - get */ -struct ec_params_thermal_get_threshold { +struct __ec_align1 ec_params_thermal_get_threshold { uint8_t sensor_type; uint8_t threshold_id; -} __packed; +}; -struct ec_response_thermal_get_threshold { +struct __ec_align2 ec_response_thermal_get_threshold { uint16_t value; -} __packed; +}; /* The version 1 structs are visible. */ @@ -2308,27 +2403,31 @@ enum ec_temp_thresholds { EC_TEMP_THRESH_COUNT }; -/* Thermal configuration for one temperature sensor. Temps are in degrees K. +/* + * Thermal configuration for one temperature sensor. Temps are in degrees K. * Zero values will be silently ignored by the thermal task. + * + * Note that this structure is a sub-structure of + * ec_params_thermal_set_threshold_v1, but maintains its alignment there. */ -struct ec_thermal_config { +struct __ec_align4 ec_thermal_config { uint32_t temp_host[EC_TEMP_THRESH_COUNT]; /* levels of hotness */ uint32_t temp_fan_off; /* no active cooling needed */ uint32_t temp_fan_max; /* max active cooling needed */ -} __packed; +}; /* Version 1 - get config for one sensor. */ -struct ec_params_thermal_get_threshold_v1 { +struct __ec_align4 ec_params_thermal_get_threshold_v1 { uint32_t sensor_num; -} __packed; +}; /* This returns a struct ec_thermal_config */ /* Version 1 - set config for one sensor. * Use read-modify-write for best results! */ -struct ec_params_thermal_set_threshold_v1 { +struct __ec_align4 ec_params_thermal_set_threshold_v1 { uint32_t sensor_num; struct ec_thermal_config cfg; -} __packed; +}; /* This returns no data */ /****************************************************************************/ @@ -2337,9 +2436,9 @@ struct ec_params_thermal_set_threshold_v1 { #define EC_CMD_THERMAL_AUTO_FAN_CTRL 0x52 /* Version 1 of input params */ -struct ec_params_auto_fan_ctrl_v1 { +struct __ec_align1 ec_params_auto_fan_ctrl_v1 { uint8_t fan_idx; -} __packed; +}; /* Get/Set TMP006 calibration data */ #define EC_CMD_TMP006_GET_CALIBRATION 0x53 @@ -2355,52 +2454,52 @@ struct ec_params_auto_fan_ctrl_v1 { */ /* This is the same struct for both v0 and v1. */ -struct ec_params_tmp006_get_calibration { +struct __ec_align1 ec_params_tmp006_get_calibration { uint8_t index; -} __packed; +}; /* Version 0 */ -struct ec_response_tmp006_get_calibration_v0 { +struct __ec_align4 ec_response_tmp006_get_calibration_v0 { float s0; float b0; float b1; float b2; -} __packed; +}; -struct ec_params_tmp006_set_calibration_v0 { +struct __ec_align4 ec_params_tmp006_set_calibration_v0 { uint8_t index; uint8_t reserved[3]; float s0; float b0; float b1; float b2; -} __packed; +}; /* Version 1 */ -struct ec_response_tmp006_get_calibration_v1 { +struct __ec_align4 ec_response_tmp006_get_calibration_v1 { uint8_t algorithm; uint8_t num_params; uint8_t reserved[2]; float val[0]; -} __packed; +}; -struct ec_params_tmp006_set_calibration_v1 { +struct __ec_align4 ec_params_tmp006_set_calibration_v1 { uint8_t index; uint8_t algorithm; uint8_t num_params; uint8_t reserved; float val[0]; -} __packed; +}; /* Read raw TMP006 data */ #define EC_CMD_TMP006_GET_RAW 0x55 -struct ec_params_tmp006_get_raw { +struct __ec_align1 ec_params_tmp006_get_raw { uint8_t index; -} __packed; +}; -struct ec_response_tmp006_get_raw { +struct __ec_align4 ec_response_tmp006_get_raw { int32_t t; /* In 1/100 K */ int32_t v; /* In nV */ }; @@ -2425,17 +2524,17 @@ struct ec_response_tmp006_get_raw { */ #define EC_CMD_MKBP_INFO 0x61 -struct ec_response_mkbp_info { +struct __ec_align_size1 ec_response_mkbp_info { uint32_t rows; uint32_t cols; /* Formerly "switches", which was 0. */ uint8_t reserved; -} __packed; +}; -struct ec_params_mkbp_info { +struct __ec_align1 ec_params_mkbp_info { uint8_t info_type; uint8_t event_type; -} __packed; +}; enum ec_mkbp_info_type { /* @@ -2479,11 +2578,11 @@ enum ec_mkbp_info_type { /* Simulate key press */ #define EC_CMD_MKBP_SIMULATE_KEY 0x62 -struct ec_params_mkbp_simulate_key { +struct __ec_align1 ec_params_mkbp_simulate_key { uint8_t col; uint8_t row; uint8_t pressed; -} __packed; +}; /* Configure keyboard scanning */ #define EC_CMD_MKBP_SET_CONFIG 0x64 @@ -2504,8 +2603,13 @@ enum mkbp_config_valid { EC_MKBP_VALID_FIFO_MAX_DEPTH = 1 << 7, }; -/* Configuration for our key scanning algorithm */ -struct ec_mkbp_config { +/* + * Configuration for our key scanning algorithm. + * + * Note that this is used as a sub-structure of + * ec_{params/response}_mkbp_get_config. + */ +struct __ec_align_size1 ec_mkbp_config { uint32_t valid_mask; /* valid fields */ uint8_t flags; /* some flags (enum mkbp_config_flags) */ uint8_t valid_flags; /* which flags are valid */ @@ -2524,15 +2628,15 @@ struct ec_mkbp_config { uint16_t debounce_up_us; /* time for debounce on key up */ /* maximum depth to allow for fifo (0 = no keyscan output) */ uint8_t fifo_max_depth; -} __packed; +}; -struct ec_params_mkbp_set_config { +struct __ec_align_size1 ec_params_mkbp_set_config { struct ec_mkbp_config config; -} __packed; +}; -struct ec_response_mkbp_get_config { +struct __ec_align_size1 ec_response_mkbp_get_config { struct ec_mkbp_config config; -} __packed; +}; /* Run the key scan emulation */ #define EC_CMD_KEYSCAN_SEQ_CTRL 0x66 @@ -2553,20 +2657,20 @@ enum ec_collect_flags { EC_KEYSCAN_SEQ_FLAG_DONE = 1 << 0, }; -struct ec_collect_item { +struct __ec_align1 ec_collect_item { uint8_t flags; /* some flags (enum ec_collect_flags) */ }; -struct ec_params_keyscan_seq_ctrl { +struct __ec_todo_packed ec_params_keyscan_seq_ctrl { uint8_t cmd; /* Command to send (enum ec_keyscan_seq_cmd) */ union { - struct { + struct __ec_align1 { uint8_t active; /* still active */ uint8_t num_items; /* number of items */ /* Current item being presented */ uint8_t cur_item; } status; - struct { + struct __ec_todo_unpacked { /* * Absolute time for this scan, measured from the * start of the sequence. @@ -2574,22 +2678,22 @@ struct ec_params_keyscan_seq_ctrl { uint32_t time_us; uint8_t scan[0]; /* keyscan data */ } add; - struct { + struct __ec_align1 { uint8_t start_item; /* First item to return */ uint8_t num_items; /* Number of items to return */ } collect; }; -} __packed; +}; -struct ec_result_keyscan_seq_ctrl { +struct __ec_todo_packed ec_result_keyscan_seq_ctrl { union { - struct { + struct __ec_todo_unpacked { uint8_t num_items; /* Number of items */ /* Data for each item */ struct ec_collect_item item[0]; } collect; }; -} __packed; +}; /* * Get the next pending MKBP event. @@ -2618,28 +2722,28 @@ enum ec_mkbp_event { EC_MKBP_EVENT_COUNT, }; -union ec_response_get_next_data { - uint8_t key_matrix[13]; +union __ec_align_offset1 ec_response_get_next_data { + uint8_t key_matrix[13]; /* Unaligned */ - uint32_t host_event; + uint32_t host_event; - struct { + struct __ec_todo_unpacked { /* For aligning the fifo_info */ uint8_t rsvd[3]; struct ec_response_motion_sense_fifo_info info; - } sensor_fifo; + } sensor_fifo; - uint32_t buttons; + uint32_t buttons; - uint32_t switches; -} __packed; + uint32_t switches; +}; -struct ec_response_get_next_event { +struct __ec_align1 ec_response_get_next_event { uint8_t event_type; /* Followed by event data if any */ union ec_response_get_next_data data; -} __packed; +}; /* Bit indices for buttons and switches.*/ /* Buttons */ @@ -2654,9 +2758,9 @@ struct ec_response_get_next_event { /* Run keyboard factory test scanning */ #define EC_CMD_KEYBOARD_FACTORY_TEST 0x68 -struct ec_response_keyboard_factory_test { +struct __ec_align2 ec_response_keyboard_factory_test { uint16_t shorted; /* Keyboard pins are shorted */ -} __packed; +}; /*****************************************************************************/ /* Temperature sensor commands */ @@ -2664,14 +2768,14 @@ struct ec_response_keyboard_factory_test { /* Read temperature sensor info */ #define EC_CMD_TEMP_SENSOR_GET_INFO 0x70 -struct ec_params_temp_sensor_get_info { +struct __ec_align1 ec_params_temp_sensor_get_info { uint8_t id; -} __packed; +}; -struct ec_response_temp_sensor_get_info { +struct __ec_align1 ec_response_temp_sensor_get_info { char sensor_name[32]; uint8_t sensor_type; -} __packed; +}; /*****************************************************************************/ @@ -2688,13 +2792,13 @@ struct ec_response_temp_sensor_get_info { * Host event mask params and response structures, shared by all of the host * event commands below. */ -struct ec_params_host_event_mask { +struct __ec_align4 ec_params_host_event_mask { uint32_t mask; -} __packed; +}; -struct ec_response_host_event_mask { +struct __ec_align4 ec_response_host_event_mask { uint32_t mask; -} __packed; +}; /* These all use ec_response_host_event_mask */ #define EC_CMD_HOST_EVENT_GET_B 0x87 @@ -2715,21 +2819,21 @@ struct ec_response_host_event_mask { /* Enable/disable LCD backlight */ #define EC_CMD_SWITCH_ENABLE_BKLIGHT 0x90 -struct ec_params_switch_enable_backlight { +struct __ec_align1 ec_params_switch_enable_backlight { uint8_t enabled; -} __packed; +}; /* Enable/disable WLAN/Bluetooth */ #define EC_CMD_SWITCH_ENABLE_WIRELESS 0x91 #define EC_VER_SWITCH_ENABLE_WIRELESS 1 /* Version 0 params; no response */ -struct ec_params_switch_enable_wireless_v0 { +struct __ec_align1 ec_params_switch_enable_wireless_v0 { uint8_t enabled; -} __packed; +}; /* Version 1 params */ -struct ec_params_switch_enable_wireless_v1 { +struct __ec_align1 ec_params_switch_enable_wireless_v1 { /* Flags to enable now */ uint8_t now_flags; @@ -2745,16 +2849,16 @@ struct ec_params_switch_enable_wireless_v1 { /* Which flags to copy from suspend_flags */ uint8_t suspend_mask; -} __packed; +}; /* Version 1 response */ -struct ec_response_switch_enable_wireless_v1 { +struct __ec_align1 ec_response_switch_enable_wireless_v1 { /* Flags to enable now */ uint8_t now_flags; /* Flags to leave enabled in S3 */ uint8_t suspend_flags; -} __packed; +}; /*****************************************************************************/ /* GPIO commands. Only available on EC if write protect has been disabled. */ @@ -2762,47 +2866,48 @@ struct ec_response_switch_enable_wireless_v1 { /* Set GPIO output value */ #define EC_CMD_GPIO_SET 0x92 -struct ec_params_gpio_set { +struct __ec_align1 ec_params_gpio_set { char name[32]; uint8_t val; -} __packed; +}; /* Get GPIO value */ #define EC_CMD_GPIO_GET 0x93 /* Version 0 of input params and response */ -struct ec_params_gpio_get { +struct __ec_align1 ec_params_gpio_get { char name[32]; -} __packed; -struct ec_response_gpio_get { +}; + +struct __ec_align1 ec_response_gpio_get { uint8_t val; -} __packed; +}; /* Version 1 of input params and response */ -struct ec_params_gpio_get_v1 { +struct __ec_align1 ec_params_gpio_get_v1 { uint8_t subcmd; union { - struct { + struct __ec_align1 { char name[32]; } get_value_by_name; - struct { + struct __ec_align1 { uint8_t index; } get_info; }; -} __packed; +}; -struct ec_response_gpio_get_v1 { +struct __ec_todo_packed ec_response_gpio_get_v1 { union { - struct { + struct __ec_align1 { uint8_t val; } get_value_by_name, get_count; - struct { + struct __ec_todo_unpacked { uint8_t val; char name[32]; uint32_t flags; } get_info; }; -} __packed; +}; enum gpio_get_subcmd { EC_GPIO_GET_BY_NAME = 0, @@ -2823,26 +2928,27 @@ enum gpio_get_subcmd { /* Read I2C bus */ #define EC_CMD_I2C_READ 0x94 -struct ec_params_i2c_read { +struct __ec_align_size1 ec_params_i2c_read { uint16_t addr; /* 8-bit address (7-bit shifted << 1) */ uint8_t read_size; /* Either 8 or 16. */ uint8_t port; uint8_t offset; -} __packed; -struct ec_response_i2c_read { +}; + +struct __ec_align2 ec_response_i2c_read { uint16_t data; -} __packed; +}; /* Write I2C bus */ #define EC_CMD_I2C_WRITE 0x95 -struct ec_params_i2c_write { +struct __ec_align_size1 ec_params_i2c_write { uint16_t data; uint16_t addr; /* 8-bit address (7-bit shifted << 1) */ uint8_t write_size; /* Either 8 or 16. */ uint8_t port; uint8_t offset; -} __packed; +}; /*****************************************************************************/ /* Charge state commands. Only available when flash write protect unlocked. */ @@ -2859,9 +2965,9 @@ enum ec_charge_control_mode { CHARGE_CONTROL_DISCHARGE, }; -struct ec_params_charge_control { +struct __ec_align4 ec_params_charge_control { uint32_t mode; /* enum charge_control_mode */ -} __packed; +}; /*****************************************************************************/ /* Console commands. Only available when flash write protect is unlocked. */ @@ -2888,9 +2994,9 @@ enum ec_console_read_subcmd { CONSOLE_READ_RECENT }; -struct ec_params_console_read_v1 { +struct __ec_align1 ec_params_console_read_v1 { uint8_t subcmd; /* enum ec_console_read_subcmd */ -} __packed; +}; /*****************************************************************************/ @@ -2905,9 +3011,9 @@ struct ec_params_console_read_v1 { #define EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN (1 << 0) -struct ec_params_battery_cutoff { +struct __ec_align1 ec_params_battery_cutoff { uint8_t flags; -} __packed; +}; /*****************************************************************************/ /* USB port mux control. */ @@ -2917,9 +3023,9 @@ struct ec_params_battery_cutoff { */ #define EC_CMD_USB_MUX 0x9a -struct ec_params_usb_mux { +struct __ec_align1 ec_params_usb_mux { uint8_t mux; -} __packed; +}; /*****************************************************************************/ /* LDOs / FETs control. */ @@ -2934,23 +3040,23 @@ enum ec_ldo_state { */ #define EC_CMD_LDO_SET 0x9b -struct ec_params_ldo_set { +struct __ec_align1 ec_params_ldo_set { uint8_t index; uint8_t state; -} __packed; +}; /* * Get LDO state. */ #define EC_CMD_LDO_GET 0x9c -struct ec_params_ldo_get { +struct __ec_align1 ec_params_ldo_get { uint8_t index; -} __packed; +}; -struct ec_response_ldo_get { +struct __ec_align1 ec_response_ldo_get { uint8_t state; -} __packed; +}; /*****************************************************************************/ /* Power info. */ @@ -2960,13 +3066,13 @@ struct ec_response_ldo_get { */ #define EC_CMD_POWER_INFO 0x9d -struct ec_response_power_info { +struct __ec_align4 ec_response_power_info { uint32_t usb_dev_type; uint16_t voltage_ac; uint16_t voltage_system; uint16_t current_system; uint16_t usb_current_limit; -} __packed; +}; /*****************************************************************************/ /* I2C passthru command */ @@ -2985,23 +3091,23 @@ struct ec_response_power_info { /* Any error */ #define EC_I2C_STATUS_ERROR (EC_I2C_STATUS_NAK | EC_I2C_STATUS_TIMEOUT) -struct ec_params_i2c_passthru_msg { +struct __ec_align2 ec_params_i2c_passthru_msg { uint16_t addr_flags; /* I2C slave address (7 or 10 bits) and flags */ uint16_t len; /* Number of bytes to read or write */ -} __packed; +}; -struct ec_params_i2c_passthru { +struct __ec_align2 ec_params_i2c_passthru { uint8_t port; /* I2C port number */ uint8_t num_msgs; /* Number of messages */ struct ec_params_i2c_passthru_msg msg[]; /* Data to write for all messages is concatenated here */ -} __packed; +}; -struct ec_response_i2c_passthru { +struct __ec_align1 ec_response_i2c_passthru { uint8_t i2c_status; /* Status flags (EC_I2C_STATUS_...) */ uint8_t num_msgs; /* Number of messages processed */ uint8_t data[]; /* Data read by messages concatenated here */ -} __packed; +}; /*****************************************************************************/ /* Power button hang detect */ @@ -3047,7 +3153,7 @@ struct ec_response_i2c_passthru { */ #define EC_HANG_STOP_NOW (1 << 31) -struct ec_params_hang_detect { +struct __ec_align4 ec_params_hang_detect { /* Flags; see EC_HANG_* */ uint32_t flags; @@ -3056,7 +3162,7 @@ struct ec_params_hang_detect { /* Timeout in msec before generating warm reboot, if enabled */ uint16_t warm_reboot_timeout_msec; -} __packed; +}; /*****************************************************************************/ /* Commands for battery charging */ @@ -3100,27 +3206,27 @@ enum charge_state_params { /* Other custom param ranges go here... */ }; -struct ec_params_charge_state { +struct __ec_todo_packed ec_params_charge_state { uint8_t cmd; /* enum charge_state_command */ union { - struct { + struct __ec_align1 { /* no args */ } get_state; - struct { + struct __ec_todo_unpacked { uint32_t param; /* enum charge_state_param */ } get_param; - struct { + struct __ec_todo_unpacked { uint32_t param; /* param to set */ uint32_t value; /* value to set */ } set_param; }; -} __packed; +}; -struct ec_response_charge_state { +struct __ec_align4 ec_response_charge_state { union { - struct { + struct __ec_align4 { int ac; int chg_voltage; int chg_current; @@ -3128,14 +3234,14 @@ struct ec_response_charge_state { int batt_state_of_charge; } get_state; - struct { + struct __ec_align4 { uint32_t value; } get_param; - struct { + struct __ec_align4 { /* no return values */ } set_param; }; -} __packed; +}; /* @@ -3143,9 +3249,9 @@ struct ec_response_charge_state { */ #define EC_CMD_CHARGE_CURRENT_LIMIT 0xa1 -struct ec_params_current_limit { +struct __ec_align4 ec_params_current_limit { uint32_t limit; /* in mA */ -} __packed; +}; /* * Set maximum external voltage / current. @@ -3153,10 +3259,10 @@ struct ec_params_current_limit { #define EC_CMD_EXTERNAL_POWER_LIMIT 0xa2 /* Command v0 is used only on Spring and is obsolete + unsupported */ -struct ec_params_external_power_limit_v1 { +struct __ec_align2 ec_params_external_power_limit_v1 { uint16_t current_lim; /* in mA, or EC_POWER_LIMIT_NONE to clear limit */ uint16_t voltage_lim; /* in mV, or EC_POWER_LIMIT_NONE to clear limit */ -} __packed; +}; #define EC_POWER_LIMIT_NONE 0xffff @@ -3166,7 +3272,7 @@ struct ec_params_external_power_limit_v1 { /* Set the delay before going into hibernation. */ #define EC_CMD_HIBERNATION_DELAY 0xa8 -struct ec_params_hibernation_delay { +struct __ec_align4 ec_params_hibernation_delay { /* * Seconds to wait in G3 before hibernate. Pass in 0 to read the * current settings without changing them. @@ -3174,7 +3280,7 @@ struct ec_params_hibernation_delay { uint32_t seconds; }; -struct ec_response_hibernation_delay { +struct __ec_align4 ec_response_hibernation_delay { /* * The current time in seconds in which the system has been in the G3 * state. This value is reset if the EC transitions out of G3. @@ -3204,9 +3310,9 @@ enum host_sleep_event { HOST_SLEEP_EVENT_S0IX_RESUME = 4 }; -struct ec_params_host_sleep_event { +struct __ec_align1 ec_params_host_sleep_event { uint8_t sleep_event; -} __packed; +}; /*****************************************************************************/ /* Smart battery pass-through */ @@ -3221,28 +3327,27 @@ struct ec_params_host_sleep_event { #define EC_CMD_SB_READ_BLOCK 0xb2 #define EC_CMD_SB_WRITE_BLOCK 0xb3 -struct ec_params_sb_rd { +struct __ec_align1 ec_params_sb_rd { uint8_t reg; -} __packed; +}; -struct ec_response_sb_rd_word { +struct __ec_align2 ec_response_sb_rd_word { uint16_t value; -} __packed; +}; -struct ec_params_sb_wr_word { +struct __ec_align1 ec_params_sb_wr_word { uint8_t reg; uint16_t value; -} __packed; +}; -struct ec_response_sb_rd_block { +struct __ec_align1 ec_response_sb_rd_block { uint8_t data[32]; -} __packed; +}; -struct ec_params_sb_wr_block { +struct __ec_align1 ec_params_sb_wr_block { uint8_t reg; uint16_t data[32]; -} __packed; - +}; /*****************************************************************************/ /* Battery vendor parameters @@ -3260,15 +3365,15 @@ enum ec_battery_vendor_param_mode { BATTERY_VENDOR_PARAM_MODE_SET, }; -struct ec_params_battery_vendor_param { +struct __ec_align_size1 ec_params_battery_vendor_param { uint32_t param; uint32_t value; uint8_t mode; -} __packed; +}; -struct ec_response_battery_vendor_param { +struct __ec_align4 ec_response_battery_vendor_param { uint32_t value; -} __packed; +}; /*****************************************************************************/ /* @@ -3291,12 +3396,12 @@ enum ec_sb_fw_update_subcmd { #define SB_FW_UPDATE_CMD_STATUS_SIZE 2 #define SB_FW_UPDATE_CMD_INFO_SIZE 8 -struct ec_sb_fw_update_header { +struct __ec_align4 ec_sb_fw_update_header { uint16_t subcmd; /* enum ec_sb_fw_update_subcmd */ uint16_t fw_id; /* firmware id */ -} __packed; +}; -struct ec_params_sb_fw_update { +struct __ec_align4 ec_params_sb_fw_update { struct ec_sb_fw_update_header hdr; union { /* EC_SB_FW_UPDATE_PREPARE = 0x0 */ @@ -3305,30 +3410,30 @@ struct ec_params_sb_fw_update { /* EC_SB_FW_UPDATE_END = 0x4 */ /* EC_SB_FW_UPDATE_STATUS = 0x5 */ /* EC_SB_FW_UPDATE_PROTECT = 0x6 */ - struct { + struct __ec_align4 { /* no args */ } dummy; /* EC_SB_FW_UPDATE_WRITE = 0x3 */ - struct { + struct __ec_align4 { uint8_t data[SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE]; } write; }; -} __packed; +}; -struct ec_response_sb_fw_update { +struct __ec_align1 ec_response_sb_fw_update { union { /* EC_SB_FW_UPDATE_INFO = 0x1 */ - struct { + struct __ec_align1 { uint8_t data[SB_FW_UPDATE_CMD_INFO_SIZE]; } info; /* EC_SB_FW_UPDATE_STATUS = 0x5 */ - struct { + struct __ec_align1 { uint8_t data[SB_FW_UPDATE_CMD_STATUS_SIZE]; } status; }; -} __packed; +}; /* * Entering Verified Boot Mode Command @@ -3337,9 +3442,9 @@ struct ec_response_sb_fw_update { */ #define EC_CMD_ENTERING_MODE 0xb6 -struct ec_params_entering_mode { +struct __ec_align4 ec_params_entering_mode { int vboot_mode; -} __packed; +}; #define VBOOT_MODE_NORMAL 0 #define VBOOT_MODE_DEVELOPER 1 @@ -3357,14 +3462,14 @@ enum ec_i2c_passthru_protect_subcmd { EC_CMD_I2C_PASSTHRU_PROTECT_ENABLE = 0x1, }; -struct ec_params_i2c_passthru_protect { +struct __ec_align1 ec_params_i2c_passthru_protect { uint8_t subcmd; uint8_t port; /* I2C port number */ -} __packed; +}; -struct ec_response_i2c_passthru_protect { +struct __ec_align1 ec_response_i2c_passthru_protect { uint8_t status; /* Status flags (0: unlocked, 1: locked) */ -} __packed; +}; /*****************************************************************************/ /* System commands */ @@ -3390,10 +3495,10 @@ enum ec_reboot_cmd { #define EC_REBOOT_FLAG_RESERVED0 (1 << 0) /* Was recovery request */ #define EC_REBOOT_FLAG_ON_AP_SHUTDOWN (1 << 1) /* Reboot after AP shutdown */ -struct ec_params_reboot_ec { +struct __ec_align1 ec_params_reboot_ec { uint8_t cmd; /* enum ec_reboot_cmd */ uint8_t flags; /* See EC_REBOOT_FLAG_* */ -} __packed; +}; /* * Get information on last EC panic. @@ -3464,11 +3569,11 @@ enum pd_charge_state { /* Status of EC being sent to PD */ #define EC_STATUS_HIBERNATING (1 << 0) -struct ec_params_pd_status { +struct __ec_align1 ec_params_pd_status { uint8_t status; /* EC status */ int8_t batt_soc; /* battery state of charge */ uint8_t charge_state; /* charging state (from enum pd_charge_state) */ -} __packed; +}; /* Status of PD being sent back to EC */ #define PD_STATUS_HOST_EVENT (1 << 0) /* Forward host event to AP */ @@ -3481,11 +3586,11 @@ struct ec_params_pd_status { #define PD_STATUS_EC_INT_ACTIVE (PD_STATUS_TCPC_ALERT_0 | \ PD_STATUS_TCPC_ALERT_1 | \ PD_STATUS_HOST_EVENT) -struct ec_response_pd_status { +struct __ec_align_size1 ec_response_pd_status { uint32_t curr_lim_ma; /* input current limit */ uint16_t status; /* PD MCU status */ int8_t active_charge_port; /* active charging port */ -} __packed; +}; /* AP to PD MCU host event status command, cleared on read */ #define EC_CMD_PD_HOST_EVENT_STATUS 0x104 @@ -3495,9 +3600,9 @@ struct ec_response_pd_status { #define PD_EVENT_POWER_CHANGE (1 << 1) #define PD_EVENT_IDENTITY_RECEIVED (1 << 2) #define PD_EVENT_DATA_SWAP (1 << 3) -struct ec_response_host_event_status { +struct __ec_align4 ec_response_host_event_status { uint32_t status; /* PD MCU host event status */ -} __packed; +}; /* Set USB type-C port role and muxes */ #define EC_CMD_USB_PD_CONTROL 0x101 @@ -3529,12 +3634,12 @@ enum usb_pd_control_swap { USB_PD_CTRL_SWAP_COUNT }; -struct ec_params_usb_pd_control { +struct __ec_align1 ec_params_usb_pd_control { uint8_t port; uint8_t role; uint8_t mux; uint8_t swap; -} __packed; +}; #define PD_CTRL_RESP_ENABLED_COMMS (1 << 0) /* Communication enabled */ #define PD_CTRL_RESP_ENABLED_CONNECTED (1 << 1) /* Device connected */ @@ -3548,32 +3653,32 @@ struct ec_params_usb_pd_control { #define PD_CTRL_RESP_ROLE_USB_COMM (1 << 5) /* Partner USB comm capable */ #define PD_CTRL_RESP_ROLE_EXT_POWERED (1 << 6) /* Partner externally powerd */ -struct ec_response_usb_pd_control { +struct __ec_align1 ec_response_usb_pd_control { uint8_t enabled; uint8_t role; uint8_t polarity; uint8_t state; -} __packed; +}; -struct ec_response_usb_pd_control_v1 { +struct __ec_align1 ec_response_usb_pd_control_v1 { uint8_t enabled; uint8_t role; uint8_t polarity; char state[32]; -} __packed; +}; #define EC_CMD_USB_PD_PORTS 0x102 -struct ec_response_usb_pd_ports { +struct __ec_align1 ec_response_usb_pd_ports { uint8_t num_ports; -} __packed; +}; #define EC_CMD_USB_PD_POWER_INFO 0x103 #define PD_POWER_CHARGING_PORT 0xff -struct ec_params_usb_pd_power_info { +struct __ec_align1 ec_params_usb_pd_power_info { uint8_t port; -} __packed; +}; enum usb_chg_type { USB_CHG_TYPE_NONE, @@ -3594,21 +3699,21 @@ enum usb_power_roles { USB_PD_PORT_POWER_SINK_NOT_CHARGING, }; -struct usb_chg_measures { +struct __ec_align2 usb_chg_measures { uint16_t voltage_max; uint16_t voltage_now; uint16_t current_max; uint16_t current_lim; -} __packed; +}; -struct ec_response_usb_pd_power_info { +struct __ec_align4 ec_response_usb_pd_power_info { uint8_t role; uint8_t type; uint8_t dualrole; uint8_t reserved1; struct usb_chg_measures meas; uint32_t max_power; -} __packed; +}; /* Write USB-PD device FW */ #define EC_CMD_USB_PD_FW_UPDATE 0x110 @@ -3620,39 +3725,41 @@ enum usb_pd_fw_update_cmds { USB_PD_FW_ERASE_SIG, }; -struct ec_params_usb_pd_fw_update { +struct __ec_align4 ec_params_usb_pd_fw_update { uint16_t dev_id; uint8_t cmd; uint8_t port; uint32_t size; /* Size to write in bytes */ /* Followed by data to write */ -} __packed; +}; /* Write USB-PD Accessory RW_HASH table entry */ #define EC_CMD_USB_PD_RW_HASH_ENTRY 0x111 /* RW hash is first 20 bytes of SHA-256 of RW section */ #define PD_RW_HASH_SIZE 20 -struct ec_params_usb_pd_rw_hash_entry { +struct __ec_align1 ec_params_usb_pd_rw_hash_entry { uint16_t dev_id; uint8_t dev_rw_hash[PD_RW_HASH_SIZE]; - uint8_t reserved; /* For alignment of current_image */ + uint8_t reserved; /* For alignment of current_image + * TODO(rspangler) but it's not aligned! + * Should have been reserved[2]. */ uint32_t current_image; /* One of ec_current_image */ -} __packed; +}; /* Read USB-PD Accessory info */ #define EC_CMD_USB_PD_DEV_INFO 0x112 -struct ec_params_usb_pd_info_request { +struct __ec_align1 ec_params_usb_pd_info_request { uint8_t port; -} __packed; +}; /* Read USB-PD Device discovery info */ #define EC_CMD_USB_PD_DISCOVERY 0x113 -struct ec_params_usb_pd_discovery_entry { +struct __ec_align_size1 ec_params_usb_pd_discovery_entry { uint16_t vid; /* USB-IF VID */ uint16_t pid; /* USB-IF PID */ uint8_t ptype; /* product type (hub,periph,cable,ama) */ -} __packed; +}; /* Override default charge behavior */ #define EC_CMD_PD_CHARGE_PORT_OVERRIDE 0x114 @@ -3664,20 +3771,20 @@ enum usb_pd_override_ports { /* [0, CONFIG_USB_PD_PORT_COUNT): Port# */ }; -struct ec_params_charge_port_override { +struct __ec_align2 ec_params_charge_port_override { int16_t override_port; /* Override port# */ -} __packed; +}; /* Read (and delete) one entry of PD event log */ #define EC_CMD_PD_GET_LOG_ENTRY 0x115 -struct ec_response_pd_log { +struct __ec_align4 ec_response_pd_log { uint32_t timestamp; /* relative timestamp in milliseconds */ uint8_t type; /* event type : see PD_EVENT_xx below */ uint8_t size_port; /* [7:5] port number [4:0] payload size in bytes */ uint16_t data; /* type-defined data payload */ uint8_t payload[0]; /* optional additional data payload: 0..16 bytes */ -} __packed; +}; /* The timestamp is the microsecond counter shifted to get about a ms. */ @@ -3740,18 +3847,18 @@ struct ec_response_pd_log { /* * PD_EVENT_VIDEO_CODEC payload is "struct mcdp_info". */ -struct mcdp_version { +struct __ec_align4 mcdp_version { uint8_t major; uint8_t minor; uint16_t build; -} __packed; +}; -struct mcdp_info { +struct __ec_align4 mcdp_info { uint8_t family[2]; uint8_t chipid[2]; struct mcdp_version irom; struct mcdp_version fw; -} __packed; +}; /* struct mcdp_info field decoding */ #define MCDP_CHIPID(chipid) ((chipid[0] << 8) | chipid[1]) @@ -3759,16 +3866,16 @@ struct mcdp_info { /* Get/Set USB-PD Alternate mode info */ #define EC_CMD_USB_PD_GET_AMODE 0x116 -struct ec_params_usb_pd_get_mode_request { +struct __ec_align_size1 ec_params_usb_pd_get_mode_request { uint16_t svid_idx; /* SVID index to get */ uint8_t port; /* port */ -} __packed; +}; -struct ec_params_usb_pd_get_mode_response { +struct __ec_align4 ec_params_usb_pd_get_mode_response { uint16_t svid; /* SVID */ uint16_t opos; /* Object Position */ uint32_t vdo[6]; /* Mode VDOs */ -} __packed; +}; #define EC_CMD_USB_PD_SET_AMODE 0x117 @@ -3779,20 +3886,20 @@ enum pd_mode_cmd { PD_MODE_CMD_COUNT, }; -struct ec_params_usb_pd_set_mode_request { +struct __ec_align4 ec_params_usb_pd_set_mode_request { uint32_t cmd; /* enum pd_mode_cmd */ uint16_t svid; /* SVID to set */ uint8_t opos; /* Object Position */ uint8_t port; /* port */ -} __packed; +}; /* Ask the PD MCU to record a log of a requested type */ #define EC_CMD_PD_WRITE_LOG_ENTRY 0x118 -struct ec_params_pd_write_log_entry { +struct __ec_align1 ec_params_pd_write_log_entry { uint8_t type; /* event type : see PD_EVENT_xx above */ uint8_t port; /* port#, or 0 for events unrelated to a given port */ -} __packed; +}; /* Control USB-PD chip */ @@ -3805,17 +3912,17 @@ enum ec_pd_control_cmd { PD_CONTROL_DISABLE /* Disable further calls to this command */ }; -struct ec_params_pd_control { +struct __ec_align1 ec_params_pd_control { uint8_t chip; /* chip id (should be 0) */ uint8_t subcmd; -} __packed; +}; /* Get info about USB-C SS muxes */ #define EC_CMD_USB_PD_MUX_INFO 0x11a -struct ec_params_usb_pd_mux_info { +struct __ec_align1 ec_params_usb_pd_mux_info { uint8_t port; /* USB-C port number */ -} __packed; +}; /* Flags representing mux state */ #define USB_PD_MUX_USB_ENABLED (1 << 0) @@ -3823,9 +3930,9 @@ struct ec_params_usb_pd_mux_info { #define USB_PD_MUX_POLARITY_INVERTED (1 << 2) #define USB_PD_MUX_HPD_IRQ (1 << 3) -struct ec_response_usb_pd_mux_info { +struct __ec_align1 ec_response_usb_pd_mux_info { uint8_t flags; /* USB_PD_MUX_*-encoded USB mux state */ -} __packed; +}; #endif /* !__ACPI__ */ |