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| author |   Julian Wiedmann <jwi@linux.ibm.com> | 2021-08-30 15:28:36 +0300 |
|---|---|---|
| committer |   Heiko Carstens <hca@linux.ibm.com> | 2021-12-06 14:42:25 +0100 |
| commit | a60bffe536f90834ddedc0ed4ddf81af943eb061 (patch) | |
| tree | a2493796b34974a386941f0343209520197e0805 /arch/s390 | |
| parent | s390/qdio: split qdio_inspect_queue() (diff) | |
| download | linux-dev-a60bffe536f90834ddedc0ed4ddf81af943eb061.tar.xz linux-dev-a60bffe536f90834ddedc0ed4ddf81af943eb061.zip | |
s390/qdio: split do_QDIO()
The callers know what type of queue they want to work with. Introduce
type-specific variants to add buffers on an {Input,Output} queue, so
that we can avoid some function parameters and the de-muxing into
type-specific hot paths.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/qdio.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 5eb431f59ede..c65652fa2dbd 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -336,9 +336,6 @@ struct qdio_initialize { struct qdio_buffer ***output_sbal_addr_array; }; -#define QDIO_FLAG_SYNC_INPUT 0x01 -#define QDIO_FLAG_SYNC_OUTPUT 0x02 - int qdio_alloc_buffers(struct qdio_buffer **buf, unsigned int count); void qdio_free_buffers(struct qdio_buffer **buf, unsigned int count); void qdio_reset_buffers(struct qdio_buffer **buf, unsigned int count); @@ -348,14 +345,18 @@ extern int qdio_allocate(struct ccw_device *cdev, unsigned int no_input_qs, extern int qdio_establish(struct ccw_device *cdev, struct qdio_initialize *init_data); extern int qdio_activate(struct ccw_device *); -extern int do_QDIO(struct ccw_device *cdev, unsigned int callflags, int q_nr, - unsigned int bufnr, unsigned int count, struct qaob *aob); extern int qdio_start_irq(struct ccw_device *cdev); extern int qdio_stop_irq(struct ccw_device *cdev); extern int qdio_inspect_input_queue(struct ccw_device *cdev, unsigned int nr, unsigned int *bufnr, unsigned int *error); extern int qdio_inspect_output_queue(struct ccw_device *cdev, unsigned int nr, unsigned int *bufnr, unsigned int *error); +extern int qdio_add_bufs_to_input_queue(struct ccw_device *cdev, + unsigned int q_nr, unsigned int bufnr, + unsigned int count); +extern int qdio_add_bufs_to_output_queue(struct ccw_device *cdev, + unsigned int q_nr, unsigned int bufnr, + unsigned int count, struct qaob *aob); extern int qdio_shutdown(struct ccw_device *, int); extern int qdio_free(struct ccw_device *); extern int qdio_get_ssqd_desc(struct ccw_device *, struct qdio_ssqd_desc *); |