diff options
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_nx.c')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_nx.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c index 35381cb0936..03e522b2fe0 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.c +++ b/drivers/scsi/qla4xxx/ql4_nx.c @@ -655,6 +655,27 @@ static int qla4_8xxx_pci_is_same_window(struct scsi_qla_host *ha, return 0; } +#ifndef readq +static inline __u64 readq(const volatile void __iomem *addr) +{ + const volatile u32 __iomem *p = addr; + u32 low, high; + + low = readl(p); + high = readl(p + 1); + + return low + ((u64)high << 32); +} +#endif + +#ifndef writeq +static inline void writeq(__u64 val, volatile void __iomem *addr) +{ + writel(val, addr); + writel(val >> 32, addr+4); +} +#endif + static int qla4_8xxx_pci_mem_read_direct(struct scsi_qla_host *ha, u64 off, void *data, int size) { |