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bus/fsl-mc: Export IRQ pool handling functions to be used by VFIO

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The IRQ pool handling functions can be used by both DPRC
driver and VFIO. Adapt and export those functions.

Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-12-diana.craciun@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Diana Craciun
2020-09-29 11:54:39 +03:00
committed by Greg Kroah-Hartman
parent 5026cf6051
commit 0dadd95216
4 changed files with 22 additions and 19 deletions
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11
include/linux/fsl/mc.h
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@@ -542,6 +542,17 @@ int dprc_cleanup(struct fsl_mc_device *mc_dev);
int dprc_setup(struct fsl_mc_device *mc_dev);
/**
* Maximum number of total IRQs that can be pre-allocated for an MC bus'
* IRQ pool
*/
#define FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS 256
int fsl_mc_populate_irq_pool(struct fsl_mc_device *mc_bus_dev,
unsigned int irq_count);
void fsl_mc_cleanup_irq_pool(struct fsl_mc_device *mc_bus_dev);
/*
* Data Path Buffer Pool (DPBP) API
* Contains initialization APIs and runtime control APIs for DPBP