diff options
Diffstat (limited to 'drivers/parisc/sba_iommu.c')
| -rw-r--r-- | drivers/parisc/sba_iommu.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index ecd870087a3d..bf3405f4289e 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -95,8 +95,6 @@ #define DBG_RES(x...) #endif -#define SBA_INLINE __inline__ - #define DEFAULT_DMA_HINT_REG 0 struct sba_device *sba_list; @@ -332,13 +330,14 @@ static unsigned long ptr_to_pide(struct ioc *ioc, unsigned long *res_ptr, /** * sba_search_bitmap - find free space in IO PDIR resource bitmap * @ioc: IO MMU structure which owns the pdir we are interested in. + * @dev: device to query the bitmap for * @bits_wanted: number of entries we need. * * Find consecutive free bits in resource bitmap. * Each bit represents one entry in the IO Pdir. * Cool perf optimization: search for log2(size) bits at a time. */ -static SBA_INLINE unsigned long +static unsigned long sba_search_bitmap(struct ioc *ioc, struct device *dev, unsigned long bits_wanted) { @@ -431,6 +430,7 @@ sba_search_bitmap(struct ioc *ioc, struct device *dev, /** * sba_alloc_range - find free bits and mark them in IO PDIR resource bitmap * @ioc: IO MMU structure which owns the pdir we are interested in. + * @dev: device for which pages should be alloced * @size: number of bytes to create a mapping for * * Given a size, find consecutive unmarked and then mark those bits in the @@ -490,7 +490,7 @@ sba_alloc_range(struct ioc *ioc, struct device *dev, size_t size) * * clear bits in the ioc's resource map */ -static SBA_INLINE void +static void sba_free_range(struct ioc *ioc, dma_addr_t iova, size_t size) { unsigned long iovp = SBA_IOVP(ioc, iova); @@ -568,7 +568,7 @@ typedef unsigned long space_t; * IOMMU uses little endian for the pdir. */ -static void SBA_INLINE +static void sba_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba, unsigned long hint) { @@ -609,7 +609,7 @@ sba_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba, * must be a power of 2. The "Cool perf optimization" in the * allocation routine helps keep that true. */ -static SBA_INLINE void +static void sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) { u32 iovp = (u32) SBA_IOVP(ioc,iova); @@ -793,6 +793,7 @@ sba_map_page(struct device *dev, struct page *page, unsigned long offset, * @iova: IOVA of driver buffer previously mapped. * @size: number of bytes mapped in driver buffer. * @direction: R/W or both. + * @attrs: attributes * * See Documentation/core-api/dma-api-howto.rst */ @@ -872,6 +873,8 @@ sba_unmap_page(struct device *dev, dma_addr_t iova, size_t size, * @hwdev: instance of PCI owned by the driver that's asking. * @size: number of bytes mapped in driver buffer. * @dma_handle: IOVA of new buffer. + * @gfp: allocation flags + * @attrs: attributes * * See Documentation/core-api/dma-api-howto.rst */ @@ -902,7 +905,8 @@ static void *sba_alloc(struct device *hwdev, size_t size, dma_addr_t *dma_handle * @hwdev: instance of PCI owned by the driver that's asking. * @size: number of bytes mapped in driver buffer. * @vaddr: virtual address IOVA of "consistent" buffer. - * @dma_handler: IO virtual address of "consistent" buffer. + * @dma_handle: IO virtual address of "consistent" buffer. + * @attrs: attributes * * See Documentation/core-api/dma-api-howto.rst */ @@ -938,6 +942,7 @@ int dump_run_sg = 0; * @sglist: array of buffer/length pairs * @nents: number of entries in list * @direction: R/W or both. + * @attrs: attributes * * See Documentation/core-api/dma-api-howto.rst */ @@ -946,7 +951,7 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction, unsigned long attrs) { struct ioc *ioc; - int coalesced, filled = 0; + int filled = 0; unsigned long flags; DBG_RUN_SG("%s() START %d entries\n", __func__, nents); @@ -985,7 +990,7 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, ** w/o this association, we wouldn't have coherent DMA! ** Access to the virtual address is what forces a two pass algorithm. */ - coalesced = iommu_coalesce_chunks(ioc, dev, sglist, nents, sba_alloc_range); + iommu_coalesce_chunks(ioc, dev, sglist, nents, sba_alloc_range); /* ** Program the I/O Pdir @@ -1022,6 +1027,7 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, * @sglist: array of buffer/length pairs * @nents: number of entries in list * @direction: R/W or both. + * @attrs: attributes * * See Documentation/core-api/dma-api-howto.rst */ @@ -1229,8 +1235,6 @@ struct ibase_data_struct { static int setup_ibase_imask_callback(struct device *dev, void *data) { - /* lba_set_iregs() is in drivers/parisc/lba_pci.c */ - extern void lba_set_iregs(struct parisc_device *, u32, u32); struct parisc_device *lba = to_parisc_device(dev); struct ibase_data_struct *ibd = data; int rope_num = (lba->hpa.start >> 13) & 0xf; @@ -1992,7 +1996,7 @@ void __init sba_init(void) /** * sba_get_iommu - Assign the iommu pointer for the pci bus controller. - * @dev: The parisc device. + * @pci_hba: The parisc device. * * Returns the appropriate IOMMU data for the given parisc PCI controller. * This is cached and used later for PCI DMA Mapping. @@ -2012,7 +2016,7 @@ void * sba_get_iommu(struct parisc_device *pci_hba) /** * sba_directed_lmmio - return first directed LMMIO range routed to rope - * @pa_dev: The parisc device. + * @pci_hba: The parisc device. * @r: resource PCI host controller wants start/end fields assigned. * * For the given parisc PCI controller, determine if any direct ranges @@ -2054,7 +2058,7 @@ void sba_directed_lmmio(struct parisc_device *pci_hba, struct resource *r) /** * sba_distributed_lmmio - return portion of distributed LMMIO range - * @pa_dev: The parisc device. + * @pci_hba: The parisc device. * @r: resource PCI host controller wants start/end fields assigned. * * For the given parisc PCI controller, return portion of distributed LMMIO |