DMAM_FREE_COHERENT(9) Device drivers infrastructure DMAM_FREE_COHERENT(9)NAME
dmam_free_coherent - Managed dma_free_coherent
SYNOPSIS
void dmam_free_coherent(struct device * dev, size_t size, void * vaddr, dma_addr_t dma_handle);
ARGUMENTS
dev
Device to free coherent memory for
size
Size of allocation
vaddr
Virtual address of the memory to free
dma_handle
DMA handle of the memory to free
DESCRIPTION
Managed dma_free_coherent.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 DMAM_FREE_COHERENT(9)
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ddi_fm_acc_err_clear(9F) Kernel Functions for Drivers ddi_fm_acc_err_clear(9F)NAME
ddi_fm_acc_err_clear, ddi_fm_dma_err_clear - clear the error status for an access or DMA handle
SYNOPSIS
#include <sys/ndifma.h>
void ddi_fm_acc_err_clear(ddi_acc_handle_t acc_handle,
int version);
void ddi_fm_dma_err_clear(ddi_dma_handle_t dma_handle,
int version);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI)
PARAMETERS
acc_handle Data access handle obtained from a previous call to ddi_regs_map_setup(9F), ddi_dma_mem_alloc(9F), or to a similar function.
dma_handle DMA handle obtained from a previous call to ddi_dma_mem_alloc(9F) or one of its derivatives.
version Version number of ddi_fm_error_t.
DESCRIPTION
The ddi_fm_dma_err_clear() and ddi_fm_acc_err_clear() functions clear the error status of a DMA or access handle respectively.
Once cleared, the driver is again able to access the mapped registers or memory using programmed I/O through the handle.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Committed |
+-----------------------------+-----------------------------+
SEE ALSO attributes(5), ddi_dma_mem_alloc(9F), ddi_fm_acc_err_get(9F), ddi_fm_dma_err_get(9F), ddi_regs_map_setup(9F)
Writing Device Drivers
SunOS 5.11 10 May 2007 ddi_fm_acc_err_clear(9F)
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