Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/powerpc/sysdev/bestcomm/gen_bd.h
10818 views
1
/*

2
 * Header for Bestcomm General Buffer Descriptor tasks driver

3
 *

4
 *

5
 * Copyright (C) 2007 Sylvain Munaut <[email protected]>

6
 * Copyright (C) 2006 AppSpec Computer Technologies Corp.

7
 *                    Jeff Gibbons <[email protected]>

8
 *

9
 * This program is free software; you can redistribute  it and/or modify it

10
 * under the terms of the GNU General Public License version 2 as published

11
 * by the Free Software Foundation.

12
 *

13
 *

14
 */

15


16
#ifndef __BESTCOMM_GEN_BD_H__

17
#define __BESTCOMM_GEN_BD_H__

18


19
struct bcom_gen_bd {

20
	u32	status;

21
	u32	buf_pa;

22
};

23


24


25
extern struct bcom_task *

26
bcom_gen_bd_rx_init(int queue_len, phys_addr_t fifo,

27
			int initiator, int ipr, int maxbufsize);

28


29
extern int

30
bcom_gen_bd_rx_reset(struct bcom_task *tsk);

31


32
extern void

33
bcom_gen_bd_rx_release(struct bcom_task *tsk);

34


35


36
extern struct bcom_task *

37
bcom_gen_bd_tx_init(int queue_len, phys_addr_t fifo,

38
			int initiator, int ipr);

39


40
extern int

41
bcom_gen_bd_tx_reset(struct bcom_task *tsk);

42


43
extern void

44
bcom_gen_bd_tx_release(struct bcom_task *tsk);

45


46


47
/* PSC support utility wrappers */

48
struct bcom_task * bcom_psc_gen_bd_rx_init(unsigned psc_num, int queue_len,

49
					   phys_addr_t fifo, int maxbufsize);

50
struct bcom_task * bcom_psc_gen_bd_tx_init(unsigned psc_num, int queue_len,

51
					   phys_addr_t fifo);

52
#endif  /* __BESTCOMM_GEN_BD_H__ */

53


54


55