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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f79a917e69
* Change SMD callback parameters * Use writecombine mapping for SMEM -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJXFvdZAAoJEFKiBbHx2RXVxPQQAJnEp1+5CDN7ziQ/zJ3juSxb b7rOr5Z0qMDhh0H9BFdmhGzFctbY0AOqerfh138pXa6KN7maXT/enUE4vvtWUp1B HCr9xt13waoa8e6umj/D1qU5mMLUX+JraVkIo6Dyd1g6pVmdrbwzP+Z0tW0x7CvW n5r9eDYts66vGbQ6xzK40rTi22sEN32AY4mezKj40L8o0NvfZCCwb3dfw2RQzLHK 0KnSQ0PKqU1ZWrDc2YuvRsyh5KGv+t8vvnpMVVUi4TRx3qzoGpHpH3fE3evvMGKY ya6nmFNFPZ+ZlzsGDx10RqLu58NmjS8LXY6O+yCGy9NPuonKpwHgYD2wxut2NR/W TTtMhvJWKNIwhXR8ZRDaVBWQJBwoLvpNQT1zOIUuUKf+SZ2DbfgVpte7NZvrgEka aY4nnZMbI0MvpaAHUtllWbC4xqMQJXY+4wrahKQgKF/l5H/0XQ99fHHz86DS9LCO y+dfmU98dv/1X8qmxNfsULtJwbxi2Xwzt3MMMZb5v138STyMWeqWOLm+KGzgs1hu Pc/RLQALdJpQEcg74s5xt2yxSqRuzDig7FtRT1a2SX33vi9YohQEgXCDe+IOJC5l sm1Ppi3oO/yUcocUDFTBz/g6zD4SWywu2gmBcZIh/JVy8Sd053WwlaKs1Nld6ta7 QPx6rga7lgrYW409RS2A =Jzqj -----END PGP SIGNATURE----- Merge tag 'qcom-soc-for-4.7-2' into net-next This merges the Qualcomm SOC tree with the net-next, solving the merge conflict in the SMD API between the two. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
#ifndef __QCOM_SMD_H__
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#define __QCOM_SMD_H__
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#include <linux/device.h>
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#include <linux/mod_devicetable.h>
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struct qcom_smd;
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struct qcom_smd_channel;
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struct qcom_smd_lookup;
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/**
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* struct qcom_smd_id - struct used for matching a smd device
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* @name: name of the channel
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*/
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struct qcom_smd_id {
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char name[20];
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};
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/**
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* struct qcom_smd_device - smd device struct
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* @dev: the device struct
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* @channel: handle to the smd channel for this device
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*/
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struct qcom_smd_device {
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struct device dev;
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struct qcom_smd_channel *channel;
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};
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typedef int (*qcom_smd_cb_t)(struct qcom_smd_channel *, const void *, size_t);
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/**
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* struct qcom_smd_driver - smd driver struct
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* @driver: underlying device driver
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* @smd_match_table: static channel match table
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* @probe: invoked when the smd channel is found
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* @remove: invoked when the smd channel is closed
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* @callback: invoked when an inbound message is received on the channel,
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* should return 0 on success or -EBUSY if the data cannot be
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* consumed at this time
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*/
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struct qcom_smd_driver {
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struct device_driver driver;
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const struct qcom_smd_id *smd_match_table;
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int (*probe)(struct qcom_smd_device *dev);
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void (*remove)(struct qcom_smd_device *dev);
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qcom_smd_cb_t callback;
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};
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#if IS_ENABLED(CONFIG_QCOM_SMD)
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int qcom_smd_driver_register(struct qcom_smd_driver *drv);
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void qcom_smd_driver_unregister(struct qcom_smd_driver *drv);
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struct qcom_smd_channel *qcom_smd_open_channel(struct qcom_smd_channel *channel,
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const char *name,
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qcom_smd_cb_t cb);
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void *qcom_smd_get_drvdata(struct qcom_smd_channel *channel);
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void qcom_smd_set_drvdata(struct qcom_smd_channel *channel, void *data);
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int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len);
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#else
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static inline int qcom_smd_driver_register(struct qcom_smd_driver *drv)
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{
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return -ENXIO;
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}
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static inline void qcom_smd_driver_unregister(struct qcom_smd_driver *drv)
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{
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/* This shouldn't be possible */
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WARN_ON(1);
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}
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static inline struct qcom_smd_channel *
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qcom_smd_open_channel(struct qcom_smd_channel *channel,
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const char *name,
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qcom_smd_cb_t cb)
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{
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/* This shouldn't be possible */
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WARN_ON(1);
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return NULL;
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}
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void *qcom_smd_get_drvdata(struct qcom_smd_channel *channel)
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{
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/* This shouldn't be possible */
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WARN_ON(1);
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return NULL;
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}
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void qcom_smd_set_drvdata(struct qcom_smd_channel *channel, void *data)
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{
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/* This shouldn't be possible */
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WARN_ON(1);
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}
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static inline int qcom_smd_send(struct qcom_smd_channel *channel,
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const void *data, int len)
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{
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/* This shouldn't be possible */
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WARN_ON(1);
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return -ENXIO;
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}
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#endif
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#define module_qcom_smd_driver(__smd_driver) \
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module_driver(__smd_driver, qcom_smd_driver_register, \
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qcom_smd_driver_unregister)
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#endif
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