Clean up some of the various platform and release specific dma tag

stuff so it is centralized in isp_freebsd.h.

Take out PCI posting flushed in qla2100/2200 register reads except for
2100s.

1 files changed, 10 insertions, 25 deletions

diff --git a/sys/dev/isp/isp_pci.c b/sys/dev/isp/isp_pci.c
index 2b603e9..652e4dc 100644
--- a/sys/dev/isp/isp_pci.c
+++ b/sys/dev/isp/isp_pci.c
@@ -1462,13 +1462,19 @@ isp_pci_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
 		oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
 		    oldconf | BIU_PCI_CONF1_SXP);
-		junk = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
+		if (IS_2100(isp)) {
+			junk = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
+		}
 	}
 	BXW2(pcs, IspVirt2Off(isp, regoff), val);
-	junk = BXR2(pcs, IspVirt2Off(isp, regoff));
+	if (IS_2100(isp)) {
+		junk = BXR2(pcs, IspVirt2Off(isp, regoff));
+	}
 	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf);
-		junk = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
+		if (IS_2100(isp)) {
+			junk = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
+		}
 	}
 }
 
@@ -1685,27 +1691,6 @@ imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
 	}
 }
 
-/*
- * Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE
- */
-#define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1)  
-
-#if __FreeBSD_version < 500000  
-#define	BUS_DMA_ROOTARG	NULL
-#define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
-	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)
-#elif	__FreeBSD_version < 700020
-#define	BUS_DMA_ROOTARG	NULL
-#define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
-	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, \
-	busdma_lock_mutex, &Giant, z)
-#else
-#define	BUS_DMA_ROOTARG	bus_get_dma_tag(pcs->pci_dev)
-#define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
-	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, \
-	busdma_lock_mutex, &Giant, z)
-#endif
-
 static int
 isp_pci_mbxdma(ispsoftc_t *isp)
 {
@@ -1750,7 +1735,7 @@ isp_pci_mbxdma(ispsoftc_t *isp)
 #endif
 
 	ISP_UNLOCK(isp);
-	if (isp_dma_tag_create(BUS_DMA_ROOTARG, 1, slim, llim,
+	if (isp_dma_tag_create(BUS_DMA_ROOTARG(pcs->pci_dev), 1, slim, llim,
 	    hlim, NULL, NULL, BUS_SPACE_MAXSIZE, ISP_NSEGS, slim, 0,
 	    &pcs->dmat)) {
 		isp_prt(isp, ISP_LOGERR, "could not create master dma tag");