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| author |   Diana Craciun <diana.craciun@oss.nxp.com> | 2020-09-29 11:54:39 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-02 16:05:02 +0200 |
| commit | 0dadd95216d56cec01cef066eebe6354f069ff34 (patch) | |
| tree | be174bb5291d065e16fe7cd3c61f183ba803c8f9 /include/linux/fsl | |
| parent | bus/fsl_mc: Do not rely on caller to provide non NULL mc_io (diff) | |
| download | wireguard-linux-0dadd95216d56cec01cef066eebe6354f069ff34.tar.xz wireguard-linux-0dadd95216d56cec01cef066eebe6354f069ff34.zip | |
bus/fsl-mc: Export IRQ pool handling functions to be used by VFIO
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>
Diffstat (limited to 'include/linux/fsl')
| -rw-r--r-- | include/linux/fsl/mc.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index e99d181ee4cd..f791fe38c251 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -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 |