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-rw-r--r--sys/alpha/alpha/busdma_machdep.c2
-rw-r--r--sys/alpha/include/bus.h2
-rw-r--r--sys/amd64/amd64/busdma_machdep.c2
-rw-r--r--sys/amd64/include/bus_amd64.h2
-rw-r--r--sys/amd64/include/bus_at386.h2
-rw-r--r--sys/i386/i386/busdma_machdep.c2
-rw-r--r--sys/i386/include/bus_at386.h2
-rw-r--r--sys/i386/include/bus_pc98.h2
-rw-r--r--sys/ia64/ia64/busdma_machdep.c2
-rw-r--r--sys/ia64/include/bus.h2
-rw-r--r--sys/powerpc/include/bus.h2
-rw-r--r--sys/sparc64/include/bus.h2
12 files changed, 12 insertions, 12 deletions
diff --git a/sys/alpha/alpha/busdma_machdep.c b/sys/alpha/alpha/busdma_machdep.c
index 169231bed7f2..c48016be2fb3 100644
--- a/sys/alpha/alpha/busdma_machdep.c
+++ b/sys/alpha/alpha/busdma_machdep.c
@@ -410,7 +410,7 @@ bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
bus_dmamem_free_size(dmat, vaddr, map, dmat->maxsize);
}
-#define BUS_DMAMAP_NSEGS ((BUS_SPACE_MAXSIZE / PAGE_SIZE) + 1)
+#define BUS_DMAMAP_NSEGS ((64 * 1024 / PAGE_SIZE) + 1)
/*
* Map the buffer buf into bus space using the dmamap map.
diff --git a/sys/alpha/include/bus.h b/sys/alpha/include/bus.h
index 3a87d1ac9bde..dd92cf239ddf 100644
--- a/sys/alpha/include/bus.h
+++ b/sys/alpha/include/bus.h
@@ -82,7 +82,7 @@ typedef u_int32_t bus_space_handle_t;
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
-#define BUS_SPACE_MAXSIZE (64 * 1024) /* Maximum supported size */
+#define BUS_SPACE_MAXSIZE 0xFFFFFFFFFFFFFFFF
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
/* The largest address space known so far is 40 bits */
diff --git a/sys/amd64/amd64/busdma_machdep.c b/sys/amd64/amd64/busdma_machdep.c
index 8f5898faa868..2ce359b0a795 100644
--- a/sys/amd64/amd64/busdma_machdep.c
+++ b/sys/amd64/amd64/busdma_machdep.c
@@ -391,7 +391,7 @@ bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
bus_dmamem_free_size(dmat, vaddr, map, dmat->maxsize);
}
-#define BUS_DMAMAP_NSEGS ((BUS_SPACE_MAXSIZE / PAGE_SIZE) + 1)
+#define BUS_DMAMAP_NSEGS ((64 * 1024) / PAGE_SIZE + 1)
/*
* Map the buffer buf into bus space using the dmamap map.
diff --git a/sys/amd64/include/bus_amd64.h b/sys/amd64/include/bus_amd64.h
index b480e04d44a2..e2e1a5233912 100644
--- a/sys/amd64/include/bus_amd64.h
+++ b/sys/amd64/include/bus_amd64.h
@@ -97,7 +97,7 @@ typedef u_int bus_size_t;
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
-#define BUS_SPACE_MAXSIZE (64 * 1024) /* Maximum supported size */
+#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
diff --git a/sys/amd64/include/bus_at386.h b/sys/amd64/include/bus_at386.h
index b480e04d44a2..e2e1a5233912 100644
--- a/sys/amd64/include/bus_at386.h
+++ b/sys/amd64/include/bus_at386.h
@@ -97,7 +97,7 @@ typedef u_int bus_size_t;
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
-#define BUS_SPACE_MAXSIZE (64 * 1024) /* Maximum supported size */
+#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
diff --git a/sys/i386/i386/busdma_machdep.c b/sys/i386/i386/busdma_machdep.c
index 8f5898faa868..2ce359b0a795 100644
--- a/sys/i386/i386/busdma_machdep.c
+++ b/sys/i386/i386/busdma_machdep.c
@@ -391,7 +391,7 @@ bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
bus_dmamem_free_size(dmat, vaddr, map, dmat->maxsize);
}
-#define BUS_DMAMAP_NSEGS ((BUS_SPACE_MAXSIZE / PAGE_SIZE) + 1)
+#define BUS_DMAMAP_NSEGS ((64 * 1024) / PAGE_SIZE + 1)
/*
* Map the buffer buf into bus space using the dmamap map.
diff --git a/sys/i386/include/bus_at386.h b/sys/i386/include/bus_at386.h
index b480e04d44a2..e2e1a5233912 100644
--- a/sys/i386/include/bus_at386.h
+++ b/sys/i386/include/bus_at386.h
@@ -97,7 +97,7 @@ typedef u_int bus_size_t;
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
-#define BUS_SPACE_MAXSIZE (64 * 1024) /* Maximum supported size */
+#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
diff --git a/sys/i386/include/bus_pc98.h b/sys/i386/include/bus_pc98.h
index 319f516b05da..aa9f2b620de4 100644
--- a/sys/i386/include/bus_pc98.h
+++ b/sys/i386/include/bus_pc98.h
@@ -58,7 +58,7 @@ typedef u_int bus_size_t;
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
-#define BUS_SPACE_MAXSIZE (64 * 1024) /* Maximum supported size */
+#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
diff --git a/sys/ia64/ia64/busdma_machdep.c b/sys/ia64/ia64/busdma_machdep.c
index 70b8d4c06a79..fa0b08d7b91e 100644
--- a/sys/ia64/ia64/busdma_machdep.c
+++ b/sys/ia64/ia64/busdma_machdep.c
@@ -380,7 +380,7 @@ bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
free(vaddr, M_DEVBUF);
}
-#define BUS_DMAMAP_NSEGS ((BUS_SPACE_MAXSIZE / PAGE_SIZE) + 1)
+#define BUS_DMAMAP_NSEGS ((64 * 1024 / PAGE_SIZE) + 1)
/*
* Map the buffer buf into bus space using the dmamap map.
diff --git a/sys/ia64/include/bus.h b/sys/ia64/include/bus.h
index d779da0bbcac..7146ac7a94c4 100644
--- a/sys/ia64/include/bus.h
+++ b/sys/ia64/include/bus.h
@@ -97,7 +97,7 @@ typedef u_long bus_size_t;
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
-#define BUS_SPACE_MAXSIZE (64 * 1024) /* Maximum supported size */
+#define BUS_SPACE_MAXSIZE 0xFFFFFFFFFFFFFFFF
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
diff --git a/sys/powerpc/include/bus.h b/sys/powerpc/include/bus.h
index 79e367a7a1b1..fb405373bcad 100644
--- a/sys/powerpc/include/bus.h
+++ b/sys/powerpc/include/bus.h
@@ -76,7 +76,7 @@
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
-#define BUS_SPACE_MAXSIZE (128 * 1024) /* Maximum supported size */
+#define BUS_SPACE_MAXSIZE 0xFFFFFFFF
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
diff --git a/sys/sparc64/include/bus.h b/sys/sparc64/include/bus.h
index 361c64da8521..4a8a5c2aca80 100644
--- a/sys/sparc64/include/bus.h
+++ b/sys/sparc64/include/bus.h
@@ -110,7 +110,7 @@ typedef u_long bus_size_t;
#define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
-#define BUS_SPACE_MAXSIZE (128 * 1024) /* Maximum supported size */
+#define BUS_SPACE_MAXSIZE 0xFFFFFFFFFFFFFFFF
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-18 03:35:46 +0000