| /openbmc/libmctp/ |
| H A D | core.c | 140 static void *mctp_msg_dup(const void *msg, size_t msg_len, struct mctp *mctp) in mctp_msg_dup() argument
142 void *copy = __mctp_msg_alloc(msg_len, mctp); in mctp_msg_dup()
153 static struct mctp_msg_ctx *mctp_msg_ctx_lookup(struct mctp *mctp, uint8_t src, in mctp_msg_ctx_lookup() argument
160 for (i = 0; i < ARRAY_SIZE(mctp->msg_ctxs); i++) { in mctp_msg_ctx_lookup()
161 struct mctp_msg_ctx *ctx = &mctp->msg_ctxs[i]; in mctp_msg_ctx_lookup()
170 static struct mctp_msg_ctx *mctp_msg_ctx_create(struct mctp *mctp, uint8_t src, in mctp_msg_ctx_create() argument
176 for (i = 0; i < ARRAY_SIZE(mctp->msg_ctxs); i++) { in mctp_msg_ctx_create()
177 struct mctp_msg_ctx *tmp = &mctp->msg_ctxs[i]; in mctp_msg_ctx_create()
192 ctx->buf_alloc_size = mctp->max_message_size; in mctp_msg_ctx_create()
193 ctx->buf = __mctp_msg_alloc(ctx->buf_alloc_size, mctp); in mctp_msg_ctx_create()
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| H A D | libmctp.h | 22 /* MCTP packet definitions */
64 struct mctp;
87 /* MCTP core */
89 /* Allocate and setup a MCTP instance */
90 struct mctp *mctp_init(void);
91 /* Cleanup and deallocate a MCTP instance from mctp_init() */
92 void mctp_destroy(struct mctp *mctp);
94 /* Setup a MCTP instance */
95 int mctp_setup(struct mctp *mctp, size_t struct_mctp_size);
96 /* Release resource of a MCTP instance */
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| H A D | README.md | 1 # libmctp: Implementation of MCTP (DTMF DSP0236)
4 Component Transport Protocol (MCTP), as defined by DMTF standard "DSP0236", plus
9 `libmctp` is a library that implements a straightforward MCTP stack. It will be
12 - where you are implementing MCTP in an embedded device; or
14 - with no kernel MCTP support,
15 - need a single application implementing all of the MCTP stack; and
16 - you are providing your own hardware drivers for MCTP transports.
18 Notably, if you are implementing an MCTP application on Linux, you _almost
19 certainly_ want to use the in-kernel MCTP support, which gives you a standard
20 sockets-based interface to transmit and receive MCTP messages. When using the
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| H A D | control.c | 42 __mctp_msg_alloc(sizeof(*resp), bus->mctp); in mctp_ctrl_set_endpoint_id()
54 int rc = mctp_message_tx_alloced(bus->mctp, src_eid, false, msg_tag, in mctp_ctrl_set_endpoint_id()
73 __mctp_msg_alloc(sizeof(*resp), bus->mctp); in mctp_ctrl_get_endpoint_id()
86 int rc = mctp_message_tx_alloced(bus->mctp, src_eid, false, msg_tag, in mctp_ctrl_get_endpoint_id()
131 /* Only have versions for MCTP base or control */ in mctp_ctrl_get_version()
137 /* Return only the versions for MCTP */ in mctp_ctrl_get_version()
142 __mctp_msg_alloc(total_sz, bus->mctp); in mctp_ctrl_get_version()
154 int rc = mctp_message_tx_alloced(bus->mctp, src_eid, false, msg_tag, in mctp_ctrl_get_version()
157 mctp_prdebug("mctp get_version response send failed: %d", rc); in mctp_ctrl_get_version()
172 bus->mctp->control.num_msg_types; in mctp_ctrl_get_types()
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| H A D | CMakeLists.txt | 25 add_library (mctp STATIC alloc.c astlpc.c crc32.c core.c log.c libmctp.h serial.c crc-16-ccitt.c co… target
27 target_include_directories (mctp PUBLIC
34 target_link_libraries (test_eid mctp)
38 target_link_libraries (test_seq mctp)
42 target_link_libraries (test_bridge mctp)
46 target_link_libraries (test_astlpc mctp)
50 target_link_libraries (test_serial mctp)
54 target_link_libraries (test_cmds mctp)
58 target_link_libraries (test_core mctp)
61 install (TARGETS mctp DESTINATION lib)
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| /openbmc/phosphor-dbus-interfaces/yaml/xyz/openbmc_project/MCTP/ |
| H A D | Endpoint.interface.yaml | 2 Describe an MCTP endpoint. It is an MCTP communication terminus. An MCTP
3 endpoint is a terminus or origin of MCTP packets or messages. The combined
4 functionality within a physical device that communicates using the MCTP
5 transport protocol and handles MCTP control commands. This includes
6 MCTP-capable management controllers and managed devices.
12 A locally defined identifier to distinguish each independent MCTP
13 network within a platform. The network IDs are used by the MCTP stack
14 to index separate MCTP Networks. This along with EID is used by upper
20 The logical address used to route MCTP messages to a specific MCTP
22 a particular MCTP endpoint within a system for MCTP communication and
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| H A D | README.md | 3 MCTP D-Bus interfaces are implemented by the MCTP control process daemon alias
4 mcptd and aids in the discovery of MCTP enabled devices by application layer
7 `xyz.openbmc_project.MCTP.Endpoint` D-Bus interface to discover MCTP endpoints.
8 The supported MCTP message types in an endpoint are exposed by the
9 `SupportedMessageTypes` property in the `xyz.openbmc_project.MCTP.Endpoint`
11 complete the PLDM discovery flow with the MCTP endpoint. Also mctpd discovers
12 the removal of the MCTP endpoints and removes the D-Bus objects corresponding to
13 those endpoints. MCTP bridges are not modelled in the D-Bus.
17 The root D-Bus object path for the mctpd is `/xyz/openbmc_project/mctp`. There
19 lifetime of the D-Bus object is the lifetime of the connected MCTP device.
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| /openbmc/docs/designs/mctp/ |
| H A D | mctp-userspace.md | 1 # OpenBMC platform communication channel: MCTP & PLDM in userspace
5 Please refer to the [MCTP Overview](mctp.md) document for general MCTP design
8 This document describes a userspace implementation of MCTP infrastructure,
9 allowing a straightforward mechanism of supporting MCTP messaging within an
14 The MCTP core specification just provides the packetisation, routing and
16 hardware binding of the MCTP transport.
18 For OpenBMC, we would introduce a MCTP daemon, which implements the transport
21 complete MCTP messages. This daemon is responsible for the packetisation and
22 routing of MCTP messages from external endpoints, and handling the forwarding
24 handling local MCTP-stack configuration, like local EID assignments.
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| H A D | mctp.md | 1 # OpenBMC platform communication channel: MCTP & PLDM
13 This design aims to use the Management Component Transport Protocol (MCTP) to
15 platforms provide. Then, on top of MCTP, we have the opportunity to move to
30 MCTP defines a standard transport protocol, plus a number of separate physical
31 layer bindings for the actual transport of MCTP packets. These are defined by
40 
43 physical layer bindings; this means that an MCTP "stack" may be using either a
47 by an Entity ID (MCTP EID). These entities may be any element of the platform
48 that communicates over MCTP - for example, the host device, the BMC, or any
56 As part of the design, the references to MCTP "messages" and "packets" are
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| H A D | mctp-kernel.md | 1 # OpenBMC in-kernel MCTP
5 Please refer to the [MCTP Overview](mctp.md) document for general MCTP design
8 This document describes a kernel-based implementation of MCTP infrastructure,
9 providing a sockets-based API for MCTP communication within an OpenBMC-based
14 - The MCTP messaging API should be an obvious application of the existing POSIX
17 - Configuration should be simple for a straightforward MCTP endpoint: a single
20 - Infrastructure should be flexible enough to allow for more complex MCTP
23 - each MCTP network (as defined by section 3.2.31 of DSP0236) may consist of
37 - An interface for userspace applications to send and receive MCTP messages: A
38 mapping of the sockets API to MCTP usage
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| /openbmc/pldm/requester/ |
| H A D | mctp_endpoint_discovery.hpp | 19 constexpr const char* MCTPInterface = "xyz.openbmc_project.MCTP.Endpoint";
22 constexpr const char* MCTPInterfaceCC = "au.com.codeconstruct.MCTP.Endpoint1";
39 * @param[in] addr - MCTP address of terminus
40 * @param[in] terminiNames - MCTP terminus name
58 /** @brief Constructs the MCTP Discovery object to handle discovery of
59 * MCTP enabled devices
71 /** @brief Used to watch for new MCTP endpoints */
74 /** @brief Used to watch for the removed MCTP endpoints */
77 /** @brief Used to watch for new MCTP endpoints */
80 /** @brief List of handlers need to notify when new MCTP
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| /openbmc/linux/drivers/net/mctp/ |
| H A D | Kconfig | 2 if MCTP
4 menu "MCTP Device Drivers"
7 tristate "MCTP serial transport"
11 This driver provides an MCTP-over-serial interface, through a
13 MCTP Serial Transport Binding". By attaching the ldisc to a serial
14 device, we get a new net device to transport MCTP packets.
16 This allows communication with external MCTP endpoints which use
18 provide MCTP connectivity between virtual machines, by forwarding
21 Say y here if you need to connect to MCTP endpoints over serial. To
22 compile as a module, use m; the module will be called mctp-serial.
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| /openbmc/linux/Documentation/devicetree/bindings/net/ |
| H A D | mctp-i2c-controller.yaml | 4 $id: http://devicetree.org/schemas/net/mctp-i2c-controller.yaml#
7 title: MCTP I2C transport
13 An mctp-i2c-controller defines a local MCTP endpoint on an I2C controller.
14 MCTP I2C is specified by DMTF DSP0237.
16 An mctp-i2c-controller must be attached to an I2C adapter which supports
18 busses) are attached to the mctp-i2c-controller with a 'mctp-controller'
19 property on each used bus. Each mctp-controller I2C bus will be presented
20 to the host system as a separate MCTP I2C instance.
24 const: mctp-i2c-controller
47 mctp-controller;
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| /openbmc/libmctp/tests/ |
| H A D | test_core.c | 56 mctp_prdebug("MCTP message received: len %zd, tag %u", len, msg_tag); in rx_message()
81 * The memory allocated for the mctp packet is capped at MCTP_BTU
138 struct mctp *mctp = NULL; in mctp_core_test_simple_rx() local
147 mctp_test_stack_init(&mctp, &binding, TEST_DEST_EID); in mctp_core_test_simple_rx()
148 mctp_set_rx_all(mctp, rx_message, &test_param); in mctp_core_test_simple_rx()
161 mctp_destroy(mctp); in mctp_core_test_simple_rx()
166 struct mctp *mctp = NULL; in mctp_core_test_receive_equal_length_fragments() local
177 mctp_test_stack_init(&mctp, &binding, TEST_DEST_EID); in mctp_core_test_receive_equal_length_fragments()
178 mctp_set_rx_all(mctp, rx_message, &test_param); in mctp_core_test_receive_equal_length_fragments()
202 mctp_destroy(mctp); in mctp_core_test_receive_equal_length_fragments()
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| H A D | test_i2c.c | 43 struct mctp *mctp; member
91 /* Transmits a MCTP message and checks the received message matches */
100 rc = mctp_message_tx(tx_test->mctp, dest_eid, tag_owner, msg_tag, in run_tx_test()
104 while (!mctp_is_tx_ready(tx_test->mctp, dest_eid)) { in run_tx_test()
130 mctp_message_tx(tx_test->mctp, eid, tag_owner, msg_tag, in test_neigh_expiry()
141 mctp_message_tx(tx_test->mctp, EID_B, tag_owner, msg_tag, mctp_msg_src, in test_neigh_expiry()
152 mctp_message_tx(tx_test->mctp, EID_B, tag_owner, msg_tag, mctp_msg_src, in test_neigh_expiry()
200 mctp_message_tx(tx_test->mctp, EID_B, tag_owner, msg_tag, in test_neigh_expiry()
211 mctp_message_tx(tx_test->mctp, EID_B, tag_owner, msg_tag, mctp_msg_src, in test_neigh_expiry()
232 tx_test->mctp = mctp_init(); in main()
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| H A D | test_serial.c | 57 mctp_prdebug("MCTP message received: len %zd, type %d, tag %d", len, in rx_message()
70 struct mctp *mctp; member
112 scenario[0].mctp = mctp_init(); in main()
113 assert(scenario[0].mctp); in main()
121 mctp_register_bus(scenario[0].mctp, mctp_binding_serial_core(a->serial), in main()
125 scenario[1].mctp = mctp_init(); in main()
126 assert(scenario[1].mctp); in main()
127 mctp_set_rx_all(scenario[1].mctp, rx_message, NULL); in main()
135 mctp_register_bus(scenario[1].mctp, mctp_binding_serial_core(b->serial), in main()
139 rc = mctp_message_tx(scenario[0].mctp, 9, tag_owner, msg_tag, in main()
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| /openbmc/libmctp/utils/ |
| H A D | meson.build | 1 demux_sources = ['mctp-demux-daemon.c']
4 # While mctp-demux-daemon will build without pcap, it won't
6 # TODO only build mctp-demux-daemon when pcap is available.
9 demux_sources += 'mctp-capture.c'
13 'mctp-demux-daemon',
22 'mctp-pipe',
23 'mctp-pipe.c',
30 'mctp-in',
31 'mctp-in.c',
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| H A D | mctp-astlpc-daemon.c | 21 struct mctp *mctp; member
32 mctp_message_tx(ctx->mctp, eid, 0, MCTP_MESSAGE_TO_SRC, msg, len); in tx_message()
55 struct mctp *mctp; in main() local
59 mctp = mctp_init(); in main()
60 assert(mctp); in main()
65 mctp_astlpc_register_bus(astlpc, mctp, local_eid); in main()
68 ctx->mctp = mctp; in main()
70 mctp_set_rx_all(mctp, rx_message, ctx); in main()
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| H A D | mctp-pipe.c | 34 struct mctp *mctp[2]; in main() local
36 mctp[0] = mctp_init(); in main()
37 mctp[1] = mctp_init(); in main()
39 assert(mctp[0] && mctp[1]); in main()
53 mctp_register_bus(mctp[0], mctp_binding_serial_core(serial[0]), in main()
55 mctp_register_bus(mctp[1], mctp_binding_serial_core(serial[1]), in main()
58 mctp_set_rx_all(mctp[1], rx_message, NULL); in main()
96 mctp_message_tx(mctp[0], eids[1], in main()
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| /openbmc/pldm/fw-update/ |
| H A D | manager.hpp | 24 * the MCTP devices
50 * the added MCTP endpoints
52 * @param[in] mctpInfos - information of discovered MCTP endpoints
66 * the removed MCTP endpoints
68 * @param[in] mctpInfos - information of removed MCTP endpoints
76 * updating the availability status of the MCTP endpoint
89 * @param[in] eid - Remote MCTP Endpoint ID
103 * @param[in] addr - MCTP address of terminus
104 * @param[in] terminiNames - MCTP terminus name
112 /** Descriptor information of all the discovered MCTP endpoints */
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| /openbmc/libpldm/include/libpldm/ |
| H A D | pldm.h | 34 * @brief Connect to the MCTP socket and provide an fd to it. The fd can be
45 * @param[in] eid - destination MCTP eid
46 * @param[in] mctp_fd - MCTP socket fd
64 * async API. A user of this would typically have added the MCTP fd to an
68 * @param[in] eid - destination MCTP eid
69 * @param[in] mctp_fd - MCTP socket fd
79 * @brief Read MCTP socket. If there's data available, return success only if
82 * @param[in] eid - destination MCTP eid
83 * @param[in] mctp_fd - MCTP socket fd
98 * @brief Read MCTP socket. If there's data available, return success only if
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| /openbmc/dbus-sensors/src/mctp/ |
| H A D | MCTPEndpoint.hpp | 23 * @brief Abstract and concrete classes representing MCTP concepts and
28 * @brief An exception type that may be thrown by implementations of the MCTP
31 * This exception should be the basis for all exceptions thrown out of the MCTP
49 * @brief An enum of the MCTP transports described in DSP0239 v1.10.0 Section 7.
60 * @brief Captures properties of MCTP interfaces.
62 * https://github.com/CodeConstruct/mctp/blob/v2.0/src/mctp.c#L668-L699
75 * @brief Captures the behaviour of an endpoint at the MCTP layer
97 * @return The MCTP endpoint ID of the endpoint in its network
105 * @param degraded The callback to execute when the MCTP layer indicates the
108 * @param available The callback to execute when the MCTP layer indicates
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| /openbmc/linux/net/mctp/ |
| H A D | Kconfig | 2 menuconfig MCTP config
4 bool "MCTP core protocol support"
6 Management Component Transport Protocol (MCTP) is an in-system
11 This option enables core MCTP support. For communicating with other
16 bool "MCTP core tests" if !KUNIT_ALL_TESTS
17 depends on MCTP=y && KUNIT=y
22 depends on MCTP
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| /openbmc/pldm/platform-mc/ |
| H A D | terminus_manager.hpp | 25 MCTP enumerator
69 * @param[in] mctpInfos - list information of the MCTP endpoints
73 /** @brief remove MCTP endpoints
75 * @param[in] mctpInfos - list information of the MCTP endpoints
111 /** @brief Member functions to response the TID of specific MCTP interface
113 * @param[in] mctpInfos - list information of the MCTP endpoints
119 /** @brief Member functions to find the TID for MCTP interface. Response the
123 * @param[in] mctpInfos - list information of the MCTP endpoints
129 /** @brief Member functions to store the mctp info and tid to terminus info
132 * @param[in] mctpInfos - list information of the MCTP endpoint
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| /openbmc/openbmc/meta-ibm/recipes-phosphor/libmctp/ |
| H A D | libmctp_%.bbappend | 5 install -m 0644 ${UNPACKDIR}/mctp ${D}${sysconfdir}/default/mctp
6 install -d ${D}${systemd_system_unitdir}/mctp-demux.service.d
7 …install -D -m 0644 ${UNPACKDIR}/service-override.conf ${D}${systemd_system_unitdir}/mctp-demux.ser…
10 SRC_URI:append:p10bmc = " file://mctp"
16 SRC_URI:append:witherspoon-tacoma = " file://mctp"
22 FILES:${PN}:append = " ${systemd_system_unitdir}/mctp-demux.service.d/service-override.conf"
|