From b20732900e4636a467c0183a47f7396700f5f743 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Aug 2024 15:11:22 +0200 Subject: Adding upstream version 6.9.7. Signed-off-by: Daniel Baumann --- drivers/cdx/controller/mcdi_functions.h | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'drivers/cdx/controller/mcdi_functions.h') diff --git a/drivers/cdx/controller/mcdi_functions.h b/drivers/cdx/controller/mcdi_functions.h index 258a5462fb..b9942affdc 100644 --- a/drivers/cdx/controller/mcdi_functions.h +++ b/drivers/cdx/controller/mcdi_functions.h @@ -65,6 +65,26 @@ int cdx_mcdi_bus_enable(struct cdx_mcdi *cdx, u8 bus_num); */ int cdx_mcdi_bus_disable(struct cdx_mcdi *cdx, u8 bus_num); +/** + * cdx_mcdi_write_msi - Write MSI configuration for CDX device + * @cdx: pointer to MCDI interface. + * @bus_num: Bus number. + * @dev_num: Device number. + * @msi_vector: Device-relative MSI vector number. + * Must be < MSI_COUNT reported for the device. + * @msi_address: MSI address to be used by the hardware. Typically, on ARM + * systems this address is translated by the IOMMU (if enabled) and + * it is the responsibility of the entity managing the IOMMU (APU kernel) + * to supply the correct IOVA here. + * @msi_data: MSI data to be used by the hardware. On versal-net, only the + * lower 16-bits are used, the remaining bits are ignored and should be + * set to zero. + * + * Return: 0 on success, <0 on failure + */ +int cdx_mcdi_write_msi(struct cdx_mcdi *cdx, u8 bus_num, u8 dev_num, + u32 msi_vector, u64 msi_address, u32 msi_data); + /** * cdx_mcdi_reset_device - Reset cdx device represented by bus_num:dev_num * @cdx: pointer to MCDI interface. @@ -89,4 +109,17 @@ int cdx_mcdi_reset_device(struct cdx_mcdi *cdx, int cdx_mcdi_bus_master_enable(struct cdx_mcdi *cdx, u8 bus_num, u8 dev_num, bool enable); +/** + * cdx_mcdi_msi_enable - Enable/Disable MSIs for cdx device represented + * by bus_num:dev_num + * @cdx: pointer to MCDI interface. + * @bus_num: Bus number. + * @dev_num: Device number. + * @enable: Enable msi's if set, disable otherwise. + * + * Return: 0 on success, <0 on failure + */ +int cdx_mcdi_msi_enable(struct cdx_mcdi *cdx, u8 bus_num, + u8 dev_num, bool enable); + #endif /* CDX_MCDI_FUNCTIONS_H */ -- cgit v1.2.3