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Diffstat (limited to 'drivers/misc/mic/scif/scif_map.h')
-rw-r--r--drivers/misc/mic/scif/scif_map.h127
1 files changed, 0 insertions, 127 deletions
diff --git a/drivers/misc/mic/scif/scif_map.h b/drivers/misc/mic/scif/scif_map.h
deleted file mode 100644
index 96b760819bfc..000000000000
--- a/drivers/misc/mic/scif/scif_map.h
+++ /dev/null
@@ -1,127 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Intel MIC Platform Software Stack (MPSS)
- *
- * Copyright(c) 2014 Intel Corporation.
- *
- * Intel SCIF driver.
- */
-#ifndef SCIF_MAP_H
-#define SCIF_MAP_H
-
-#include "../bus/scif_bus.h"
-
-static __always_inline void *
-scif_alloc_coherent(dma_addr_t *dma_handle,
- struct scif_dev *scifdev, size_t size,
- gfp_t gfp)
-{
- void *va;
-
- if (scifdev_self(scifdev)) {
- va = kmalloc(size, gfp);
- if (va)
- *dma_handle = virt_to_phys(va);
- } else {
- va = dma_alloc_coherent(&scifdev->sdev->dev,
- size, dma_handle, gfp);
- if (va && scifdev_is_p2p(scifdev))
- *dma_handle = *dma_handle + scifdev->base_addr;
- }
- return va;
-}
-
-static __always_inline void
-scif_free_coherent(void *va, dma_addr_t local,
- struct scif_dev *scifdev, size_t size)
-{
- if (scifdev_self(scifdev)) {
- kfree(va);
- } else {
- if (scifdev_is_p2p(scifdev) && local > scifdev->base_addr)
- local = local - scifdev->base_addr;
- dma_free_coherent(&scifdev->sdev->dev,
- size, va, local);
- }
-}
-
-static __always_inline int
-scif_map_single(dma_addr_t *dma_handle,
- void *local, struct scif_dev *scifdev, size_t size)
-{
- int err = 0;
-
- if (scifdev_self(scifdev)) {
- *dma_handle = virt_to_phys((local));
- } else {
- *dma_handle = dma_map_single(&scifdev->sdev->dev,
- local, size, DMA_BIDIRECTIONAL);
- if (dma_mapping_error(&scifdev->sdev->dev, *dma_handle))
- err = -ENOMEM;
- else if (scifdev_is_p2p(scifdev))
- *dma_handle = *dma_handle + scifdev->base_addr;
- }
- if (err)
- *dma_handle = 0;
- return err;
-}
-
-static __always_inline void
-scif_unmap_single(dma_addr_t local, struct scif_dev *scifdev,
- size_t size)
-{
- if (!scifdev_self(scifdev)) {
- if (scifdev_is_p2p(scifdev))
- local = local - scifdev->base_addr;
- dma_unmap_single(&scifdev->sdev->dev, local,
- size, DMA_BIDIRECTIONAL);
- }
-}
-
-static __always_inline void *
-scif_ioremap(dma_addr_t phys, size_t size, struct scif_dev *scifdev)
-{
- void *out_virt;
- struct scif_hw_dev *sdev = scifdev->sdev;
-
- if (scifdev_self(scifdev))
- out_virt = phys_to_virt(phys);
- else
- out_virt = (void __force *)
- sdev->hw_ops->remap(sdev, phys, size);
- return out_virt;
-}
-
-static __always_inline void
-scif_iounmap(void *virt, size_t len, struct scif_dev *scifdev)
-{
- if (!scifdev_self(scifdev)) {
- struct scif_hw_dev *sdev = scifdev->sdev;
-
- sdev->hw_ops->unmap(sdev, (void __force __iomem *)virt);
- }
-}
-
-static __always_inline int
-scif_map_page(dma_addr_t *dma_handle, struct page *page,
- struct scif_dev *scifdev)
-{
- int err = 0;
-
- if (scifdev_self(scifdev)) {
- *dma_handle = page_to_phys(page);
- } else {
- struct scif_hw_dev *sdev = scifdev->sdev;
- *dma_handle = dma_map_page(&sdev->dev,
- page, 0x0, PAGE_SIZE,
- DMA_BIDIRECTIONAL);
- if (dma_mapping_error(&sdev->dev, *dma_handle))
- err = -ENOMEM;
- else if (scifdev_is_p2p(scifdev))
- *dma_handle = *dma_handle + scifdev->base_addr;
- }
- if (err)
- *dma_handle = 0;
- return err;
-}
-#endif /* SCIF_MAP_H */