This patch introduces the vfio_platform_reset_combo struct that stores all the information useful to handle the reset modality: compat string, name of the reset function, name of the module that implements the reset function. A lookup table of such structures is added, currently containing a single sentinel element. A new type field is added in vfio_platform_device to store what kind of reset is associated to the device, if any.
Signed-off-by: Eric Auger <[email protected]> --- drivers/vfio/platform/vfio_platform_common.c | 6 ++++++ drivers/vfio/platform/vfio_platform_private.h | 12 ++++++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index abcff7a..d970776 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -25,6 +25,12 @@ static DEFINE_MUTEX(driver_lock); +static const struct vfio_platform_reset_combo reset_lookup_table[] = { + { + .type = VFIO_PLATFORM_RESET_TYPE_MAX + }, +}; + static int vfio_platform_regions_init(struct vfio_platform_device *vdev) { int cnt = 0, i; diff --git a/drivers/vfio/platform/vfio_platform_private.h b/drivers/vfio/platform/vfio_platform_private.h index 5d31e04..d864124 100644 --- a/drivers/vfio/platform/vfio_platform_private.h +++ b/drivers/vfio/platform/vfio_platform_private.h @@ -49,6 +49,10 @@ struct vfio_platform_region { void __iomem *ioaddr; }; +enum vfio_platform_reset_type { + VFIO_PLATFORM_RESET_TYPE_MAX /* last element */, +}; + struct vfio_platform_device { struct vfio_platform_region *regions; u32 num_regions; @@ -56,6 +60,7 @@ struct vfio_platform_device { u32 num_irqs; int refcnt; struct mutex igate; + enum vfio_platform_reset_type type; /* * These fields should be filled by the bus specific binder @@ -69,6 +74,13 @@ struct vfio_platform_device { int (*get_irq)(struct vfio_platform_device *vdev, int i); }; +struct vfio_platform_reset_combo { + enum vfio_platform_reset_type type; + char *compat; + char *reset_function_name; + char *module_name; +}; + extern int vfio_platform_probe_common(struct vfio_platform_device *vdev, struct device *dev); extern struct vfio_platform_device *vfio_platform_remove_common -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
