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Diffstat (limited to 'drivers/misc/mic/bus/scif_bus.h')
-rw-r--r--drivers/misc/mic/bus/scif_bus.h125
1 files changed, 0 insertions, 125 deletions
diff --git a/drivers/misc/mic/bus/scif_bus.h b/drivers/misc/mic/bus/scif_bus.h
deleted file mode 100644
index 4981eb56f879..000000000000
--- a/drivers/misc/mic/bus/scif_bus.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Intel MIC Platform Software Stack (MPSS)
- *
- * Copyright(c) 2014 Intel Corporation.
- *
- * Intel Symmetric Communications Interface Bus driver.
- */
-#ifndef _SCIF_BUS_H_
-#define _SCIF_BUS_H_
-/*
- * Everything a scif driver needs to work with any particular scif
- * hardware abstraction layer.
- */
-#include <linux/dma-map-ops.h>
-
-#include <linux/mic_common.h>
-#include "../common/mic_dev.h"
-
-struct scif_hw_dev_id {
- u32 device;
- u32 vendor;
-};
-
-#define MIC_SCIF_DEV 1
-#define SCIF_DEV_ANY_ID 0xffffffff
-
-/**
- * scif_hw_dev - representation of a hardware device abstracted for scif
- * @hw_ops: the hardware ops supported by this device
- * @id: the device type identification (used to match it with a driver)
- * @mmio: MMIO memory window
- * @aper: Aperture memory window
- * @dev: underlying device
- * @dnode - The destination node which this device will communicate with.
- * @snode - The source node for this device.
- * @dp - Self device page
- * @rdp - Remote device page
- * @dma_ch - Array of DMA channels
- * @num_dma_ch - Number of DMA channels available
- * @card_rel_da - Set to true if DMA addresses programmed in the DMA engine
- * are relative to the card point of view
- */
-struct scif_hw_dev {
- struct scif_hw_ops *hw_ops;
- struct scif_hw_dev_id id;
- struct mic_mw *mmio;
- struct mic_mw *aper;
- struct device dev;
- u8 dnode;
- u8 snode;
- void *dp;
- void __iomem *rdp;
- struct dma_chan **dma_ch;
- int num_dma_ch;
- bool card_rel_da;
-};
-
-/**
- * scif_driver - operations for a scif I/O driver
- * @driver: underlying device driver (populate name and owner).
- * @id_table: the ids serviced by this driver.
- * @probe: the function to call when a device is found. Returns 0 or -errno.
- * @remove: the function to call when a device is removed.
- */
-struct scif_driver {
- struct device_driver driver;
- const struct scif_hw_dev_id *id_table;
- int (*probe)(struct scif_hw_dev *dev);
- void (*remove)(struct scif_hw_dev *dev);
-};
-
-/**
- * scif_hw_ops - Hardware operations for accessing a SCIF device on the SCIF bus.
- *
- * @next_db: Obtain the next available doorbell.
- * @request_irq: Request an interrupt on a particular doorbell.
- * @free_irq: Free an interrupt requested previously.
- * @ack_interrupt: acknowledge an interrupt in the ISR.
- * @send_intr: Send an interrupt to the remote node on a specified doorbell.
- * @send_p2p_intr: Send an interrupt to the peer node on a specified doorbell
- * which is specifically targeted for a peer to peer node.
- * @remap: Map a buffer with the specified physical address and length.
- * @unmap: Unmap a buffer previously mapped.
- */
-struct scif_hw_ops {
- int (*next_db)(struct scif_hw_dev *sdev);
- struct mic_irq * (*request_irq)(struct scif_hw_dev *sdev,
- irqreturn_t (*func)(int irq,
- void *data),
- const char *name, void *data,
- int db);
- void (*free_irq)(struct scif_hw_dev *sdev,
- struct mic_irq *cookie, void *data);
- void (*ack_interrupt)(struct scif_hw_dev *sdev, int num);
- void (*send_intr)(struct scif_hw_dev *sdev, int db);
- void (*send_p2p_intr)(struct scif_hw_dev *sdev, int db,
- struct mic_mw *mw);
- void __iomem * (*remap)(struct scif_hw_dev *sdev,
- phys_addr_t pa, size_t len);
- void (*unmap)(struct scif_hw_dev *sdev, void __iomem *va);
-};
-
-int scif_register_driver(struct scif_driver *driver);
-void scif_unregister_driver(struct scif_driver *driver);
-struct scif_hw_dev *
-scif_register_device(struct device *pdev, int id,
- const struct dma_map_ops *dma_ops,
- struct scif_hw_ops *hw_ops, u8 dnode, u8 snode,
- struct mic_mw *mmio, struct mic_mw *aper,
- void *dp, void __iomem *rdp,
- struct dma_chan **chan, int num_chan,
- bool card_rel_da);
-void scif_unregister_device(struct scif_hw_dev *sdev);
-
-static inline struct scif_hw_dev *dev_to_scif(struct device *dev)
-{
- return container_of(dev, struct scif_hw_dev, dev);
-}
-
-static inline struct scif_driver *drv_to_scif(struct device_driver *drv)
-{
- return container_of(drv, struct scif_driver, driver);
-}
-#endif /* _SCIF_BUS_H */