tt_pldm_oem.c File Reference

#include <zephyr/device.h>
#include <zephyr/kernel.h>
#include <zephyr/shell/shell.h>
#include <zephyr/shell/shell_dummy.h>
#include <zephyr/sys/byteorder.h>
#include <zephyr/sys/util.h>
#include <zephyr/drivers/pmci/pldm/pldm_oem_handler.h>
#include <errno.h>
#include <libpldm/base.h>
#include <string.h>
#include "pldm_base.h"

Include dependency graph for tt_pldm_oem.c:

Data Structures
struct	tt_pldm_shell_context

Macros
#define	DT_DRV_COMPAT   tenstorrent_pldm_oem_handler
#define	TT_PLDM_OEM_CMD_SHELL_EXEC   0x01U
#define	TT_PLDM_OEM_CMD_SHELL_GET_RESULT   0x02U
#define	TT_PLDM_OEM_CMD_SHELL_CANCEL   0x03U
#define	TT_PLDM_SHELL_WORKQ_STACK_SIZE   1024U
#define	TT_PLDM_SHELL_MAX_CMD_LEN   96U
#define	TT_PLDM_SHELL_MAX_OUTPUT_LEN   256U
#define	TT_PLDM_SHELL_MAX_CHUNK_LEN   40U
#define	TT_PLDM_SHELL_DEFINE(inst)

Enumerations
enum	tt_pldm_shell_state {   TT_PLDM_SHELL_STATE_IDLE = 0 ,   TT_PLDM_SHELL_STATE_QUEUED = 1 ,   TT_PLDM_SHELL_STATE_RUNNING = 2 ,   TT_PLDM_SHELL_STATE_DONE = 3 ,   TT_PLDM_SHELL_STATE_FAILED = 4 ,   TT_PLDM_SHELL_STATE_CANCELED = 5 }

Functions
static int	tt_pldm_shell_encode_resp_header (const struct pldm_header_info *req_hdr, struct pldm_msg *resp_msg)
static void	tt_pldm_shell_store_result (struct tt_pldm_shell_context *ctx, enum tt_pldm_shell_state state, int shell_rc, const char *output, size_t output_len)
static void	tt_pldm_shell_execute_work (struct k_work *work)
static const ver32_t *	tt_pldm_shell_get_versions (const struct device *dev, size_t *versions_size)
static const bitfield8_t *	tt_pldm_shell_get_commands (const struct device *dev)
static int	tt_pldm_shell_handle_exec (struct tt_pldm_shell_context *ctx, const struct pldm_header_info *req_hdr, const struct pldm_msg *req_msg, size_t req_payload_len, struct pldm_msg *resp_msg, size_t *resp_pldm_len)
static int	tt_pldm_shell_handle_get_result (struct tt_pldm_shell_context *ctx, const struct pldm_header_info *req_hdr, const struct pldm_msg *req_msg, size_t req_payload_len, struct pldm_msg *resp_msg, size_t *resp_pldm_len)
static int	tt_pldm_shell_handle_cancel (struct tt_pldm_shell_context *ctx, const struct pldm_header_info *req_hdr, const struct pldm_msg *req_msg, size_t req_payload_len, struct pldm_msg *resp_msg, size_t *resp_pldm_len)
static int	tt_pldm_shell_build_response (const struct device *dev, const struct pldm_header_info *req_hdr, const struct pldm_msg *req_msg, size_t req_payload_len, struct pldm_msg *resp_msg, size_t *resp_pldm_len)
static	DEVICE_API (pldm_oem_handler, tt_pldm_shell_oem_api)
static int	tt_pldm_shell_driver_init (const struct device *dev)

Variables
static const ver32_t	tt_pldm_oem_versions []
static const bitfield8_t	tt_pldm_oem_commands [32]

Macro Definition Documentation

DT_DRV_COMPAT

#define DT_DRV_COMPAT   tenstorrent_pldm_oem_handler

TT_PLDM_OEM_CMD_SHELL_CANCEL

#define TT_PLDM_OEM_CMD_SHELL_CANCEL   0x03U

TT_PLDM_OEM_CMD_SHELL_EXEC

#define TT_PLDM_OEM_CMD_SHELL_EXEC   0x01U

TT_PLDM_OEM_CMD_SHELL_GET_RESULT

#define TT_PLDM_OEM_CMD_SHELL_GET_RESULT   0x02U

TT_PLDM_SHELL_DEFINE

#define TT_PLDM_SHELL_DEFINE

(

inst

)

Value:

        static struct tt_pldm_shell_context tt_pldm_shell_ctx_##inst;                              \
        DEVICE_DT_INST_DEFINE(inst, tt_pldm_shell_driver_init, NULL, &tt_pldm_shell_ctx_##inst,    \
                              NULL, POST_KERNEL, CONFIG_APPLICATION_INIT_PRIORITY,                 \
                              &tt_pldm_shell_oem_api)

TT_PLDM_SHELL_MAX_CHUNK_LEN

#define TT_PLDM_SHELL_MAX_CHUNK_LEN   40U

TT_PLDM_SHELL_MAX_CMD_LEN

#define TT_PLDM_SHELL_MAX_CMD_LEN   96U

TT_PLDM_SHELL_MAX_OUTPUT_LEN

#define TT_PLDM_SHELL_MAX_OUTPUT_LEN   256U

TT_PLDM_SHELL_WORKQ_STACK_SIZE

#define TT_PLDM_SHELL_WORKQ_STACK_SIZE   1024U

Enumeration Type Documentation

tt_pldm_shell_state

enum tt_pldm_shell_state

Enumerator
TT_PLDM_SHELL_STATE_IDLE	0
TT_PLDM_SHELL_STATE_QUEUED	1
TT_PLDM_SHELL_STATE_RUNNING	2
TT_PLDM_SHELL_STATE_DONE	3
TT_PLDM_SHELL_STATE_FAILED	4
TT_PLDM_SHELL_STATE_CANCELED	5

Function Documentation

DEVICE_API()

DEVICE_API ( pldm_oem_handler , tt_pldm_shell_oem_api  )

static

tt_pldm_shell_build_response()

int tt_pldm_shell_build_response ( const struct device * dev, const struct pldm_header_info * req_hdr, const struct pldm_msg * req_msg, size_t req_payload_len, struct pldm_msg * resp_msg, size_t * resp_pldm_len )

static

tt_pldm_shell_driver_init()

int tt_pldm_shell_driver_init ( const struct device * dev )

static

tt_pldm_shell_encode_resp_header()

int tt_pldm_shell_encode_resp_header ( const struct pldm_header_info * req_hdr, struct pldm_msg * resp_msg )

static

tt_pldm_shell_execute_work()

void tt_pldm_shell_execute_work ( struct k_work * work )

static

tt_pldm_shell_get_commands()

const bitfield8_t * tt_pldm_shell_get_commands ( const struct device * dev )

static

tt_pldm_shell_get_versions()

const ver32_t * tt_pldm_shell_get_versions ( const struct device * dev, size_t * versions_size )

static

tt_pldm_shell_handle_cancel()

int tt_pldm_shell_handle_cancel ( struct tt_pldm_shell_context * ctx, const struct pldm_header_info * req_hdr, const struct pldm_msg * req_msg, size_t req_payload_len, struct pldm_msg * resp_msg, size_t * resp_pldm_len )

static

tt_pldm_shell_handle_exec()

int tt_pldm_shell_handle_exec ( struct tt_pldm_shell_context * ctx, const struct pldm_header_info * req_hdr, const struct pldm_msg * req_msg, size_t req_payload_len, struct pldm_msg * resp_msg, size_t * resp_pldm_len )

static

tt_pldm_shell_handle_get_result()

int tt_pldm_shell_handle_get_result ( struct tt_pldm_shell_context * ctx, const struct pldm_header_info * req_hdr, const struct pldm_msg * req_msg, size_t req_payload_len, struct pldm_msg * resp_msg, size_t * resp_pldm_len )

static

tt_pldm_shell_store_result()

void tt_pldm_shell_store_result ( struct tt_pldm_shell_context * ctx, enum tt_pldm_shell_state state, int shell_rc, const char * output, size_t output_len )

static

Variable Documentation

tt_pldm_oem_commands

const bitfield8_t tt_pldm_oem_commands[32]

static

Initial value:

= {
        [ 0x01U / 8] = {.byte = BIT( 0x01U % 8) |
                                                    BIT( 0x02U % 8) |
                                                    BIT( 0x03U % 8)},
}

tt_pldm_oem_versions

const ver32_t tt_pldm_oem_versions[]

static

Initial value:

= {
        
        {.alpha = 0x00, .update = 0xf0, .minor = 0xf0, .major = 0xf1},
        {.alpha = 0x2b, .update = 0x76, .minor = 0x8e, .major = 0x9a},
}