1/* { dg-do compile } */
2/* { dg-options "-O2 -mcpu=ev4" } */
3
4struct scsi_cmnd {
5	int sc_data_direction;
6};
7struct lpfc_hba {
8	unsigned cfg_total_seg_cnt;
9};
10struct lpfc_scsi_buf {
11	struct scsi_cmnd *pCmd;
12	unsigned seg_cnt;
13	unsigned *fcp_bpl;
14};
15
16extern void *sg_next(void *sg);
17extern void *scsi_sglist(struct scsi_cmnd *cmd);
18extern unsigned scsi_sg_count(struct scsi_cmnd *cmd);
19
20static inline void dma_map_sg_attrs(void *sg, int nents, int dir)
21{
22	int i;
23
24	for (i = 0; i < nents; i++, sg = sg_next(sg))
25		;
26
27	if (!dir)
28		asm volatile( "call_pal %0" : : "i"(129));
29}
30
31static inline void lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
32				     unsigned *pde5)
33{
34	void *sgde;
35	int i;
36
37	*pde5 = (((0x85 & 0x000000ff) << 24) | (*pde5 & ~(0x000000ff << 24)));
38	for (i = 0, sgde = scsi_sglist(sc); i < 2; i++, sgde = sg_next(sgde))
39		;
40}
41
42void lpfc_bg_scsi_prep_dma_buf_s3(struct lpfc_hba *phba,
43				  struct lpfc_scsi_buf *lpfc_cmd)
44{
45	struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd;
46	unsigned *bpl = lpfc_cmd->fcp_bpl;
47
48	dma_map_sg_attrs(scsi_sglist(scsi_cmnd),
49			 scsi_sg_count(scsi_cmnd),
50			 scsi_cmnd->sc_data_direction);
51	if (lpfc_cmd->seg_cnt > phba->cfg_total_seg_cnt)
52		lpfc_bg_setup_bpl(phba, scsi_cmnd, bpl);
53}
54