* For each kind of event we allocate a buffer that is
* guaranteed not to cross a page boundary
*/
-static unsigned char event_buffer[VIO_MAX_SUBTYPES * 256] __page_aligned;
+static unsigned char event_buffer[VIO_MAX_SUBTYPES * 256]
+ __attribute__((__aligned__(4096)));
static atomic_t event_buffer_available[VIO_MAX_SUBTYPES];
static int event_buffer_initialised;
HvLpEvent_Rc hvrc;
DECLARE_MUTEX_LOCKED(Semaphore);
- buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ buf = kmalloc(HW_PAGE_SIZE, GFP_KERNEL);
if (!buf)
return 0;
- memset(buf, 0, PAGE_SIZE);
+ memset(buf, 0, HW_PAGE_SIZE);
- handle = dma_map_single(iSeries_vio_dev, buf, PAGE_SIZE,
+ handle = dma_map_single(iSeries_vio_dev, buf, HW_PAGE_SIZE,
DMA_FROM_DEVICE);
hvrc = HvCallEvent_signalLpEventFast(viopath_hostLp,
viopath_sourceinst(viopath_hostLp),
viopath_targetinst(viopath_hostLp),
(u64)(unsigned long)&Semaphore, VIOVERSION << 16,
- ((u64)handle) << 32, PAGE_SIZE, 0, 0);
+ ((u64)handle) << 32, HW_PAGE_SIZE, 0, 0);
if (hvrc != HvLpEvent_Rc_Good)
printk(VIOPATH_KERN_WARN "hv error on op %d\n", (int)hvrc);
vlanMap = HvLpConfig_getVirtualLanIndexMap();
- buf[PAGE_SIZE-1] = '\0';
+ buf[HW_PAGE_SIZE-1] = '\0';
seq_printf(m, "%s", buf);
seq_printf(m, "AVAILABLE_VETH=%x\n", vlanMap);
seq_printf(m, "SRLNBR=%c%c%c%c%c%c%c\n",
e2a(xItExtVpdPanel.systemSerial[4]),
e2a(xItExtVpdPanel.systemSerial[5]));
- dma_unmap_single(iSeries_vio_dev, handle, PAGE_SIZE, DMA_FROM_DEVICE);
+ dma_unmap_single(iSeries_vio_dev, handle, HW_PAGE_SIZE,
+ DMA_FROM_DEVICE);
kfree(buf);
return 0;