#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
+#include <linux/bitmap.h>
+#include <linux/slab.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
#include <asm/sn/io.h>
break;
default:
printk(KERN_ERR "%s: Invalid CA_APERATURE_SIZE "
- "0x%lx\n", __FUNCTION__, (ulong) CA_APERATURE_SIZE);
+ "0x%lx\n", __func__, (ulong) CA_APERATURE_SIZE);
return -1;
}
if (!tmp) {
printk(KERN_ERR "%s: Could not allocate "
- "%lu bytes (order %d) for GART\n",
- __FUNCTION__,
+ "%llu bytes (order %d) for GART\n",
+ __func__,
tioca_kern->ca_gart_size,
get_order(tioca_kern->ca_gart_size));
return -ENOMEM;
/*
* Scan all vga controllers on this bus making sure they all
- * suport FW. If not, return.
+ * support FW. If not, return.
*/
list_for_each_entry(pdev, tioca_kern->ca_devices, bus_list) {
if (node_upper > 64) {
printk(KERN_ERR "%s: coretalk addr 0x%p node id out "
- "of range\n", __FUNCTION__, (void *)ct_addr);
+ "of range\n", __func__, (void *)ct_addr);
return 0;
}
agp_dma_extn = __sn_readq_relaxed(&ca_base->ca_agp_dma_addr_extn);
if (node_upper != (agp_dma_extn >> CA_AGP_DMA_NODE_ID_SHFT)) {
printk(KERN_ERR "%s: coretalk upper node (%u) "
- "mismatch with ca_agp_dma_addr_extn (%lu)\n",
- __FUNCTION__,
+ "mismatch with ca_agp_dma_addr_extn (%llu)\n",
+ __func__,
node_upper, (agp_dma_extn >> CA_AGP_DMA_NODE_ID_SHFT));
return 0;
}
* @req_size: len (bytes) to map
*
* Map @paddr into CA address space using the GART mechanism. The mapped
- * dma_addr_t is guarenteed to be contiguous in CA bus space.
+ * dma_addr_t is guaranteed to be contiguous in CA bus space.
*/
static dma_addr_t
-tioca_dma_mapped(struct pci_dev *pdev, u64 paddr, size_t req_size)
+tioca_dma_mapped(struct pci_dev *pdev, unsigned long paddr, size_t req_size)
{
- int i, ps, ps_shift, entry, entries, mapsize, last_entry;
+ int ps, ps_shift, entry, entries, mapsize;
u64 xio_addr, end_xio_addr;
struct tioca_common *tioca_common;
struct tioca_kernel *tioca_kern;
struct tioca_dmamap *ca_dmamap;
void *map;
unsigned long flags;
- struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(pdev);;
+ struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(pdev);
tioca_common = (struct tioca_common *)pcidev_info->pdi_pcibus_info;
tioca_kern = (struct tioca_kernel *)tioca_common->ca_kernel_private;
map = tioca_kern->ca_pcigart_pagemap;
mapsize = tioca_kern->ca_pcigart_entries;
- entry = find_first_zero_bit(map, mapsize);
- while (entry < mapsize) {
- last_entry = find_next_bit(map, mapsize, entry);
-
- if (last_entry - entry >= entries)
- break;
-
- entry = find_next_zero_bit(map, mapsize, last_entry);
- }
-
- if (entry > mapsize)
+ entry = bitmap_find_next_zero_area(map, mapsize, 0, entries, 0);
+ if (entry >= mapsize) {
+ kfree(ca_dmamap);
goto map_return;
+ }
- for (i = 0; i < entries; i++)
- set_bit(entry + i, map);
+ bitmap_set(map, entry, entries);
bus_addr = tioca_kern->ca_pciap_base + (entry * ps);
* use the GART mapped mode.
*/
static u64
-tioca_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count)
+tioca_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count, int dma_flags)
{
u64 mapaddr;
/*
- * If card is 64 or 48 bit addresable, use a direct mapping. 32
+ * Not supported for now ...
+ */
+ if (dma_flags & SN_DMA_MSI)
+ return 0;
+
+ /*
+ * If card is 64 or 48 bit addressable, use a direct mapping. 32
* bit direct is so restrictive w.r.t. where the memory resides that
* we don't use it even though CA has some support.
*/
* tioca_error_intr_handler - SGI TIO CA error interrupt handler
* @irq: unused
* @arg: pointer to tioca_common struct for the given CA
- * @pt: unused
*
* Handle a CA error interrupt. Simply a wrapper around a SAL call which
* defers processing to the SGI prom.
*/
static irqreturn_t
-tioca_error_intr_handler(int irq, void *arg, struct pt_regs *pt)
+tioca_error_intr_handler(int irq, void *arg)
{
struct tioca_common *soft = arg;
struct ia64_sal_retval ret_stuff;
/* sanity check prom rev */
- if (sn_sal_rev() < 0x0406) {
+ if (is_shub1() && sn_sal_rev() < 0x0406) {
printk
(KERN_ERR "%s: SGI prom rev 4.06 or greater required "
- "for tioca support\n", __FUNCTION__);
+ "for tioca support\n", __func__);
return NULL;
}
return NULL;
memcpy(tioca_common, prom_bussoft, sizeof(struct tioca_common));
- tioca_common->ca_common.bs_base |= __IA64_UNCACHED_OFFSET;
+ tioca_common->ca_common.bs_base = (unsigned long)
+ ioremap(REGION_OFFSET(tioca_common->ca_common.bs_base),
+ sizeof(struct tioca_common));
/* init kernel-private area */
if (request_irq(SGI_TIOCA_ERROR,
tioca_error_intr_handler,
- SA_SHIRQ, "TIOCA error", (void *)tioca_common))
+ IRQF_SHARED, "TIOCA error", (void *)tioca_common))
printk(KERN_WARNING
"%s: Unable to get irq %d. "
"Error interrupts won't be routed for TIOCA bus %d\n",
- __FUNCTION__, SGI_TIOCA_ERROR,
+ __func__, SGI_TIOCA_ERROR,
(int)tioca_common->ca_common.bs_persist_busnum);
+ sn_set_err_irq_affinity(SGI_TIOCA_ERROR);
+
/* Setup locality information */
controller->node = tioca_kern->ca_closest_node;
return tioca_common;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff