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qcacmn: IOMMU map and unmap RX buffers to LPASS SMMU CB

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IOMMU map and unmap RX buffers into LPASS SMMU context
bank for LPASS to access RX buffers in direct link
usecases.

Change-Id: Ie72a008309e3abdf3fbc7198bb5d3af5e9497180
CRs-Fixed: 3356568
This commit is contained in:
Yeshwanth Sriram Guntuka
2022-12-08 15:53:42 +05:30
committed by Madan Koyyalamudi
parent 80e1cfff99
commit 34d893df39
8 changed files with 123 additions and 14 deletions
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8
dp/wifi3.0/dp_rx.c
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@@ -3128,6 +3128,12 @@ dp_pdev_rx_buffers_attach(struct dp_soc *dp_soc, uint32_t mac_id,
rx_desc_pool->buf_size, true,
__func__, __LINE__);
dp_audio_smmu_map(dp_soc->osdev,
qdf_mem_paddr_from_dmaaddr(dp_soc->osdev,
QDF_NBUF_CB_PADDR(nbuf)),
QDF_NBUF_CB_PADDR(nbuf),
rx_desc_pool->buf_size);
desc_list = next;
}
@@ -3366,7 +3372,7 @@ dp_rx_pdev_buffers_free(struct dp_pdev *pdev)
rx_desc_pool = &soc->rx_desc_buf[mac_for_pdev];
dp_rx_desc_nbuf_free(soc, rx_desc_pool);
dp_rx_desc_nbuf_free(soc, rx_desc_pool, false);
dp_rx_buffer_pool_deinit(soc, mac_for_pdev);
}