Author: cem
Date: Tue Oct 13 17:22:23 2015
New Revision: 289234
URL: https://svnweb.freebsd.org/changeset/base/289234
Log:
NTB: Enable 32-bit support
Sponsored by: EMC / Isilon Storage Division
Modified:
head/sys/conf/files.i386
head/sys/dev/ntb/ntb_hw/ntb_hw.c
Modified: head/sys/conf/files.i386
==============================================================================
--- head/sys/conf/files.i386 Tue Oct 13 17:21:38 2015 (r289233)
+++ head/sys/conf/files.i386 Tue Oct 13 17:22:23 2015 (r289234)
@@ -269,6 +269,8 @@ dev/le/if_le_isa.c optional le isa
dev/mse/mse.c optional mse
dev/mse/mse_isa.c optional mse isa
dev/nfe/if_nfe.c optional nfe pci
+dev/ntb/if_ntb/if_ntb.c optional if_ntb
+dev/ntb/ntb_hw/ntb_hw.c optional if_ntb | ntb_hw
dev/nvd/nvd.c optional nvd nvme
dev/nvme/nvme.c optional nvme
dev/nvme/nvme_ctrlr.c optional nvme
Modified: head/sys/dev/ntb/ntb_hw/ntb_hw.c
==============================================================================
--- head/sys/dev/ntb/ntb_hw/ntb_hw.c Tue Oct 13 17:21:38 2015
(r289233)
+++ head/sys/dev/ntb/ntb_hw/ntb_hw.c Tue Oct 13 17:22:23 2015
(r289234)
@@ -152,6 +152,26 @@ struct ntb_softc {
uint8_t link_speed;
};
+#ifdef __i386__
+static __inline uint64_t
+bus_space_read_8(bus_space_tag_t tag, bus_space_handle_t handle,
+ bus_size_t offset)
+{
+
+ return (bus_space_read_4(tag, handle, offset) |
+ ((uint64_t)bus_space_read_4(tag, handle, offset + 4)) << 32);
+}
+
+static __inline void
+bus_space_write_8(bus_space_tag_t tag, bus_space_handle_t handle,
+ bus_size_t offset, uint64_t val)
+{
+
+ bus_space_write_4(tag, handle, offset, val);
+ bus_space_write_4(tag, handle, offset + 4, val >> 32);
+}
+#endif
+
#define ntb_bar_read(SIZE, bar, offset) \
bus_space_read_ ## SIZE (ntb->bar_info[(bar)].pci_bus_tag, \
ntb->bar_info[(bar)].pci_bus_handle, (offset))
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