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[S390] qdio: fix qeth port count detection

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qeth needs to get the port count information before
qdio has allocated a page for the chsc operation.
Extend qdio_get_ssqd_desc() to store the data in the
specified structure.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Jan Glauber 2008-12-25 13:38:43 +01:00 • committed by Martin Schwidefsky
commit bbd50e172f
5 changed files with 55 additions and 30 deletions
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16
arch/s390/include/asm/qdio.h
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@ -373,16 +373,16 @@ struct qdio_initialize {
#define QDIO_FLAG_SYNC_OUTPUT 0x02
#define QDIO_FLAG_PCI_OUT 0x10
extern int qdio_initialize(struct qdio_initialize *init_data);
extern int qdio_allocate(struct qdio_initialize *init_data);
extern int qdio_establish(struct qdio_initialize *init_data);
extern int qdio_initialize(struct qdio_initialize *);
extern int qdio_allocate(struct qdio_initialize *);
extern int qdio_establish(struct qdio_initialize *);
extern int qdio_activate(struct ccw_device *);
extern int do_QDIO(struct ccw_device*, unsigned int flags,
int q_nr, int qidx, int count);
extern int qdio_cleanup(struct ccw_device*, int how);
extern int qdio_shutdown(struct ccw_device*, int how);
extern int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
int q_nr, int bufnr, int count);
extern int qdio_cleanup(struct ccw_device*, int);
extern int qdio_shutdown(struct ccw_device*, int);
extern int qdio_free(struct ccw_device *);
extern struct qdio_ssqd_desc *qdio_get_ssqd_desc(struct ccw_device *cdev);
extern int qdio_get_ssqd_desc(struct ccw_device *dev, struct qdio_ssqd_desc*);
#endif /* __QDIO_H__ */