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accel/qaic: Add ipc_router channel

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The ipc_router channel allows AF_QIPCRTR clients and services to
communicate with the AIC100 device. The ipc_router MHI transport layer
expects the channel to be named exactly "IPCR".

Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241004164033.3825986-1-quic_jhugo@quicinc.com
This commit is contained in:
Jeffrey Hugo 2024-10-04 10:40:33 -06:00
parent 522bb461b1
commit 2af5deb614
2 changed files with 34 additions and 0 deletions
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2
Documentation/accel/qaic/aic100.rst
View File

@ -229,6 +229,8 @@ of the defined channels, and their uses.
| _PERIODIC | | | timestamps in the device side logs with|
| | | | the host time source. |
+----------------+---------+----------+----------------------------------------+
| IPCR | 24 & 25 | AMSS | AF_QIPCRTR clients and servers. |
+----------------+---------+----------+----------------------------------------+
DMA Bridge
==========

32
drivers/accel/qaic/mhi_controller.c
View File

@ -405,6 +405,38 @@ static const struct mhi_channel_config aic100_channels[] = {
.auto_queue = false,
.wake_capable = false,
},
{
.name = "IPCR",
.num = 24,
.num_elements = 32,
.local_elements = 0,
.event_ring = 0,
.dir = DMA_TO_DEVICE,
.ee_mask = MHI_CH_EE_AMSS,
.pollcfg = 0,
.doorbell = MHI_DB_BRST_DISABLE,
.lpm_notify = false,
.offload_channel = false,
.doorbell_mode_switch = false,
.auto_queue = false,
.wake_capable = false,
},
{
.name = "IPCR",
.num = 25,
.num_elements = 32,
.local_elements = 0,
.event_ring = 0,
.dir = DMA_FROM_DEVICE,
.ee_mask = MHI_CH_EE_AMSS,
.pollcfg = 0,
.doorbell = MHI_DB_BRST_DISABLE,
.lpm_notify = false,
.offload_channel = false,
.doorbell_mode_switch = false,
.auto_queue = true,
.wake_capable = false,
},
};
static struct mhi_event_config aic100_events[] = {