| /Zephyr-latest/include/zephyr/drivers/firmware/scmi/ |
| D | shmem.h | 9 * @brief SCMI SHMEM API
25 * @brief Write a message in the SHMEM area
27 * @param shmem pointer to shmem device
33 int scmi_shmem_write_message(const struct device *shmem,
37 * @brief Read a message from a SHMEM area
39 * @param shmem pointer to shmem device
45 int scmi_shmem_read_message(const struct device *shmem,
51 * @param shmem pointer to shmem device
57 void scmi_shmem_update_flags(const struct device *shmem,
63 * @param shmem pointer to shmem device
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| D | util.h | 48 DT_PROP_HAS_IDX(node_id, shmem, idx)
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| /Zephyr-latest/dts/bindings/firmware/ |
| D | arm,scmi.yaml | 6 and shared memory (SHMEM) transport.
12 compatible = "arm,scmi-shmem";
25 shmem = <&scmi_res0>;
50 shmem:
61 1) tx - 1 mbox / 1 shmem (platform and agent use the same
63 2) tx_reply - 2 mbox / 1 shmem (platform and agent use different
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| D | arm,scmi-shmem.yaml | 4 description: System Control and Management Interface (SCMI) shared memory (SHMEM)
6 compatible: "arm,scmi-shmem"
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| D | arm,scmi-clock.yaml | 11 shmem:
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| /Zephyr-latest/drivers/firmware/scmi/ |
| D | mailbox.h | 12 #include <zephyr/drivers/firmware/scmi/shmem.h>
20 COND_CODE_1(DT_PROP_HAS_IDX(node_id, shmem, idx), \
21 (DEVICE_DT_GET(DT_PROP_BY_IDX(node_id, shmem, idx))), \
38 .shmem = _SCMI_MBOX_SHMEM_BY_IDX(node_id, 0), \
59 COND_CODE_1(DT_PROP_HAS_IDX(node_id, shmem, idx), \
74 (DT_INST_PROP_HAS_IDX(inst, shmem, 0) && \
83 BUILD_ASSERT(DT_INST_PROP_LEN(inst, shmem) == 1, \
84 "bad SHMEM count"); \
109 /* SHMEM area bound to the channel */
110 const struct device *shmem; member
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| D | shmem.c | 7 #include <zephyr/drivers/firmware/scmi/shmem.h>
60 int scmi_shmem_read_message(const struct device *shmem, struct scmi_message *msg) in scmi_shmem_read_message() argument
66 data = shmem->data; in scmi_shmem_read_message()
67 cfg = shmem->config; in scmi_shmem_read_message()
80 LOG_ERR("message doesn't fit in shmem area"); in scmi_shmem_read_message()
107 int scmi_shmem_write_message(const struct device *shmem, struct scmi_message *msg) in scmi_shmem_write_message() argument
113 data = shmem->data; in scmi_shmem_write_message()
114 cfg = shmem->config; in scmi_shmem_write_message()
148 uint32_t scmi_shmem_channel_status(const struct device *shmem) in scmi_shmem_channel_status() argument
153 data = shmem->data; in scmi_shmem_channel_status()
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| D | Kconfig | 32 bool "SCMI shared memory (SHMEM) driver"
36 Enable support for SCMI shared memory (SHMEM) driver.
39 int "SCMI shared memory (SHMEM) initialization priority"
42 SCMI SHMEM driver device initialization priority.
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| D | mailbox.c | 33 ret = scmi_shmem_write_message(mbox_chan->shmem, msg); in scmi_mbox_send_message()
35 LOG_ERR("failed to write message to shmem: %d", ret); in scmi_mbox_send_message()
56 return scmi_shmem_read_message(mbox_chan->shmem, msg); in scmi_mbox_read_message()
64 return scmi_shmem_channel_status(mbox_chan->shmem) & in scmi_mbox_channel_is_free()
100 scmi_shmem_update_flags(mbox_chan->shmem, in scmi_mbox_setup_chan()
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| D | CMakeLists.txt | 8 zephyr_library_sources_ifdef(CONFIG_ARM_SCMI_SHMEM shmem.c)
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| /Zephyr-latest/drivers/ethernet/ |
| D | eth_ivshmem_priv.h | 19 void *shmem; member
33 void *shmem; member
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| D | eth_ivshmem_queue.c | 47 q->tx.shmem = (void *)tx_shmem; in eth_ivshmem_queue_init()
48 q->rx.shmem = (void *)rx_shmem; in eth_ivshmem_queue_init()
51 vring_init(&q->tx.vring, vring_desc_len, q->tx.shmem, ETH_IVSHMEM_VRING_ALIGNMENT); in eth_ivshmem_queue_init()
52 vring_init(&q->rx.vring, vring_desc_len, q->rx.shmem, ETH_IVSHMEM_VRING_ALIGNMENT); in eth_ivshmem_queue_init()
82 memset(q->tx.shmem, 0, q->vring_header_size); in eth_ivshmem_queue_reset()
119 *data = (uint8_t *)q->tx.shmem + q->vring_header_size + head; in eth_ivshmem_queue_tx_get_buff()
182 *data = (uint8_t *)q->rx.shmem + q->vring_header_size + offset; in eth_ivshmem_queue_rx()
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| D | eth_ivshmem.c | 313 LOG_INF("shmem queue: desc len 0x%hX, header size 0x%X, data size 0x%X", in eth_ivshmem_initialize()
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| /Zephyr-latest/tests/drivers/ethernet/eth_ivshmem_queue/src/ |
| D | main.c | 63 zassert_equal_ptr(q1.tx.shmem, shmem_buff[0]); in ZTEST()
64 zassert_equal_ptr(q1.rx.shmem, shmem_buff[1]); in ZTEST()
65 zassert_equal_ptr(q2.tx.shmem, shmem_buff[1]); in ZTEST()
66 zassert_equal_ptr(q2.rx.shmem, shmem_buff[0]); in ZTEST()
160 /* Fill queue shmem */ in ZTEST()
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| /Zephyr-latest/drivers/virtualization/ |
| D | virt_ivshmem.h | 49 uintptr_t shmem; member
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| D | virt_ivshmem.c | 186 LOG_INF("SHMEM bar present: %s", shmem_bar_present ? "yes" : "no"); in ivshmem_configure()
277 k_mem_map_phys_bare((uint8_t **)&data->shmem, in ivshmem_configure()
301 data->size, shmem_phys_addr, data->shmem); in ivshmem_configure()
318 *memmap = data->shmem; in ivshmem_api_get_mem()
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| D | virt_ivshmem_shell.c | 203 SHELL_CMD(shmem, NULL,
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| /Zephyr-latest/doc/hardware/arch/ |
| D | arm-scmi.rst | 112 memory area is performed using a driver (:file:`drivers/firmware/scmi/shmem.c`),
194 compatible = "arm,scmi-shmem";
203 shmem = <&scmi_res0>;
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| /Zephyr-latest/dts/arm64/nxp/ |
| D | nxp_mimx95_a55.dtsi | 86 compatible = "arm,scmi-shmem";
94 shmem = <&scmi_shmem0>;
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| /Zephyr-latest/dts/arm/nxp/ |
| D | nxp_imx95_m7.dtsi | 37 compatible = "arm,scmi-shmem";
45 shmem = <&scmi_shmem0>;
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| /Zephyr-latest/include/zephyr/ipc/ |
| D | ipc_service.h | 429 * back to the pool of shmem buffers. This function can be called in the
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| /Zephyr-latest/doc/releases/ |
| D | release-notes-3.4.rst | 1268 * ICMSG: added mutual exclusion access to SHMEM.
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