d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

NTB: Enable 32-bit support

Browse Source 
Sponsored by:	EMC / Isilon Storage Division
This commit is contained in:
Conrad Meyer 2015-10-13 17:22:23 +00:00
parent 08f35652eb
commit 150be74358
2 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/conf/files.i386
View File

@ -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

20
sys/dev/ntb/ntb_hw/ntb_hw.c
View File

@ -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))