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hfi: bases for user_exp_rcv

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This implements a skeleton setup function and call it on ioctl

Many missing points:
 - missing pci mapping to make setup work
 - no clear (passed to linux, so will likely bug out)
 - missing locks/safe-guards

Conflicts:
	kernel/Makefile.build.in
This commit is contained in:
Dominique Martinet
2017-09-15 11:17:38 +09:00
committed by Balazs Gerofi
parent 7366da4390
commit e64d89cd48
8 changed files with 740 additions and 16 deletions
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13
kernel/include/hfi1/user_exp_rcv.h
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@@ -46,9 +46,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifdef __HFI1_ORIG__
#include "hfi.h"
#endif /* __HFI1_ORIG__ */
#include "hfi1/hfi.h"
#define EXP_TID_TIDLEN_MASK 0x7FFULL
#define EXP_TID_TIDLEN_SHIFT 0
@@ -71,7 +69,6 @@
(tid) |= EXP_TID_SET(field, (value)); \
} while (0)
#ifdef __HFI1_ORIG__
struct tid_group {
struct list_head list;
unsigned base;
@@ -147,15 +144,17 @@ static inline void tid_group_move(struct tid_group *group,
tid_group_add_tail(group, s2);
}
#ifdef __HFI1_ORIG__
u32 find_phys_blocks(struct page **, unsigned, struct tid_pageset *);
int alloc_ctxt_rcv_groups(struct hfi1_ctxtdata *rcd);
void free_ctxt_rcv_groups(struct hfi1_ctxtdata *rcd);
int hfi1_user_exp_rcv_init(struct file *);
int hfi1_user_exp_rcv_free(struct hfi1_filedata *);
int hfi1_user_exp_rcv_setup(struct file *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_clear(struct file *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_invalid(struct file *, struct hfi1_tid_info *);
#endif /* __HFI1_ORIG__ */
int hfi1_user_exp_rcv_setup(struct hfi1_filedata *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_clear(struct hfi1_filedata *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_invalid(struct hfi1_filedata *, struct hfi1_tid_info *);
#endif /* _HFI1_USER_EXP_RCV_H */