fw_major, fw_minor);
}
-int netxen_crb_read_val(struct netxen_adapter *adapter, unsigned long off)
-{
- int data;
- netxen_nic_hw_read_wx(adapter, off, &data, 4);
- return data;
-}
-
-int netxen_nic_hw_write_ioctl(struct netxen_adapter *adapter, u64 off,
- void *data, int len)
-{
- void *addr;
- u64 offset = off;
- u8 *mem_ptr = NULL;
- unsigned long mem_base;
- unsigned long mem_page;
-
- if (ADDR_IN_WINDOW1(off)) {
- addr = NETXEN_CRB_NORMALIZE(adapter, off);
- if (!addr) {
- mem_base = pci_resource_start(adapter->ahw.pdev, 0);
- offset = NETXEN_CRB_NORMAL(off);
- mem_page = offset & PAGE_MASK;
- if (mem_page != ((offset + len - 1) & PAGE_MASK))
- mem_ptr =
- ioremap(mem_base + mem_page, PAGE_SIZE * 2);
- else
- mem_ptr =
- ioremap(mem_base + mem_page, PAGE_SIZE);
- if (mem_ptr == 0UL) {
- return 1;
- }
- addr = mem_ptr;
- addr += offset & (PAGE_SIZE - 1);
- }
- } else {
- addr = pci_base_offset(adapter, off);
- if (!addr) {
- mem_base = pci_resource_start(adapter->ahw.pdev, 0);
- mem_page = off & PAGE_MASK;
- if (mem_page != ((off + len - 1) & PAGE_MASK))
- mem_ptr =
- ioremap(mem_base + mem_page, PAGE_SIZE * 2);
- else
- mem_ptr =
- ioremap(mem_base + mem_page, PAGE_SIZE);
- if (mem_ptr == 0UL) {
- return 1;
- }
- addr = mem_ptr;
- addr += off & (PAGE_SIZE - 1);
- }
- netxen_nic_pci_change_crbwindow(adapter, 0);
- }
- switch (len) {
- case 1:
- writeb(*(u8 *) data, addr);
- break;
- case 2:
- writew(*(u16 *) data, addr);
- break;
- case 4:
- writel(*(u32 *) data, addr);
- break;
- case 8:
- writeq(*(u64 *) data, addr);
- break;
- default:
- DPRINTK(INFO,
- "writing data %lx to offset %llx, num words=%d\n",
- *(unsigned long *)data, off, (len >> 3));
-
- netxen_nic_hw_block_write64((u64 __iomem *) data, addr,
- (len >> 3));
- break;
- }
-
- if (!ADDR_IN_WINDOW1(off))
- netxen_nic_pci_change_crbwindow(adapter, 1);
- if (mem_ptr)
- iounmap(mem_ptr);
- return 0;
-}
-
-int netxen_nic_hw_read_ioctl(struct netxen_adapter *adapter, u64 off,
- void *data, int len)
-{
- void *addr;
- u64 offset;
- u8 *mem_ptr = NULL;
- unsigned long mem_base;
- unsigned long mem_page;
-
- if (ADDR_IN_WINDOW1(off)) {
- addr = NETXEN_CRB_NORMALIZE(adapter, off);
- if (!addr) {
- mem_base = pci_resource_start(adapter->ahw.pdev, 0);
- offset = NETXEN_CRB_NORMAL(off);
- mem_page = offset & PAGE_MASK;
- if (mem_page != ((offset + len - 1) & PAGE_MASK))
- mem_ptr =
- ioremap(mem_base + mem_page, PAGE_SIZE * 2);
- else
- mem_ptr =
- ioremap(mem_base + mem_page, PAGE_SIZE);
- if (mem_ptr == 0UL) {
- *(u8 *) data = 0;
- return 1;
- }
- addr = mem_ptr;
- addr += offset & (PAGE_SIZE - 1);
- }
- } else {
- addr = pci_base_offset(adapter, off);
- if (!addr) {
- mem_base = pci_resource_start(adapter->ahw.pdev, 0);
- mem_page = off & PAGE_MASK;
- if (mem_page != ((off + len - 1) & PAGE_MASK))
- mem_ptr =
- ioremap(mem_base + mem_page, PAGE_SIZE * 2);
- else
- mem_ptr =
- ioremap(mem_base + mem_page, PAGE_SIZE);
- if (mem_ptr == 0UL)
- return 1;
- addr = mem_ptr;
- addr += off & (PAGE_SIZE - 1);
- }
- netxen_nic_pci_change_crbwindow(adapter, 0);
- }
- switch (len) {
- case 1:
- *(u8 *) data = readb(addr);
- break;
- case 2:
- *(u16 *) data = readw(addr);
- break;
- case 4:
- *(u32 *) data = readl(addr);
- break;
- case 8:
- *(u64 *) data = readq(addr);
- break;
- default:
- netxen_nic_hw_block_read64((u64 __iomem *) data, addr,
- (len >> 3));
- break;
- }
- if (!ADDR_IN_WINDOW1(off))
- netxen_nic_pci_change_crbwindow(adapter, 1);
- if (mem_ptr)
- iounmap(mem_ptr);
- return 0;
-}
-
-int netxen_nic_pci_mem_write_ioctl(struct netxen_adapter *adapter, u64 off,
- void *data, int size)
-{
- void *addr;
- int ret = 0;
- u8 *mem_ptr = NULL;
- unsigned long mem_base;
- unsigned long mem_page;
-
- if (data == NULL || off > (128 * 1024 * 1024)) {
- printk(KERN_ERR "%s: data: %p off:%llx\n",
- netxen_nic_driver_name, data, off);
- return 1;
- }
- off = netxen_nic_pci_set_window(adapter, off);
- /* Corner case : Malicious user tried to break the driver by reading
- last few bytes in ranges and tries to read further addresses.
- */
- if (!pci_base(adapter, off + size - 1) && pci_base(adapter, off)) {
- printk(KERN_ERR "%s: Invalid access to memory address range"
- " 0x%llx - 0x%llx\n", netxen_nic_driver_name, off,
- off + size);
- return 1;
- }
- addr = pci_base_offset(adapter, off);
- DPRINTK(INFO, "writing data %llx to offset %llx\n",
- *(unsigned long long *)data, off);
- if (!addr) {
- mem_base = pci_resource_start(adapter->ahw.pdev, 0);
- mem_page = off & PAGE_MASK;
- /* Map two pages whenever user tries to access addresses in two
- consecutive pages.
- */
- if (mem_page != ((off + size - 1) & PAGE_MASK))
- mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
- else
- mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
- if (mem_ptr == 0UL) {
- return 1;
- }
- addr = mem_ptr;
- addr += off & (PAGE_SIZE - 1);
- }
- switch (size) {
- case 1:
- writeb(*(u8 *) data, addr);
- break;
- case 2:
- writew(*(u16 *) data, addr);
- break;
- case 4:
- writel(*(u32 *) data, addr);
- break;
- case 8:
- writeq(*(u64 *) data, addr);
- break;
- default:
- DPRINTK(INFO,
- "writing data %lx to offset %llx, num words=%d\n",
- *(unsigned long *)data, off, (size >> 3));
-
- netxen_nic_hw_block_write64((u64 __iomem *) data, addr,
- (size >> 3));
- break;
- }
-
- if (mem_ptr)
- iounmap(mem_ptr);
- DPRINTK(INFO, "wrote %llx\n", *(unsigned long long *)data);
-
- return ret;
-}
-
-int netxen_nic_pci_mem_read_ioctl(struct netxen_adapter *adapter,
- u64 off, void *data, int size)
-{
- void *addr;
- int ret = 0;
- u8 *mem_ptr = NULL;
- unsigned long mem_base;
- unsigned long mem_page;
-
- if (data == NULL || off > (128 * 1024 * 1024)) {
- printk(KERN_ERR "%s: data: %p off:%llx\n",
- netxen_nic_driver_name, data, off);
- return 1;
- }
- off = netxen_nic_pci_set_window(adapter, off);
- /* Corner case : Malicious user tried to break the driver by reading
- last few bytes in ranges and tries to read further addresses.
- */
- if (!pci_base(adapter, off + size - 1) && pci_base(adapter, off)) {
- printk(KERN_ERR "%s: Invalid access to memory address range"
- " 0x%llx - 0x%llx\n", netxen_nic_driver_name, off,
- off + size);
- return 1;
- }
- addr = pci_base_offset(adapter, off);
- if (!addr) {
- mem_base = pci_resource_start(adapter->ahw.pdev, 0);
- mem_page = off & PAGE_MASK;
- /* Map two pages whenever user tries to access addresses in two
- consecutive pages.
- */
- if (mem_page != ((off + size - 1) & PAGE_MASK))
- mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
- else
- mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
- if (mem_ptr == 0UL) {
- *(u8 *) data = 0;
- return 1;
- }
- addr = mem_ptr;
- addr += off & (PAGE_SIZE - 1);
- }
- switch (size) {
- case 1:
- *(u8 *) data = readb(addr);
- break;
- case 2:
- *(u16 *) data = readw(addr);
- break;
- case 4:
- *(u32 *) data = readl(addr);
- break;
- case 8:
- *(u64 *) data = readq(addr);
- break;
- default:
- netxen_nic_hw_block_read64((u64 __iomem *) data, addr,
- (size >> 3));
- break;
- }
-
- if (mem_ptr)
- iounmap(mem_ptr);
- DPRINTK(INFO, "read %llx\n", *(unsigned long long *)data);
-
- return ret;
-}
git.openpandora.org / pandora-kernel.git / blobdiff