* PCI: Read Vendor Failed 0x18.58.10 Rc: 0x00xx
* PCI: Connect Bus Unit Failed 0x18.58.10 Rc: 0x00xx
*/
-static void pci_Log_Error(char *Error_Text, int Bus, int SubBus,
- int AgentId, int HvRc)
+static void pci_log_error(char *error, int bus, int subbus,
+ int agent, int hv_res)
{
- if (HvRc == 0x0302)
+ if (hv_res == 0x0302)
return;
printk(KERN_ERR "PCI: %s Failed: 0x%02X.%02X.%02X Rc: 0x%04X",
- Error_Text, Bus, SubBus, AgentId, HvRc);
+ error, bus, subbus, agent, hv_res);
}
/*
* Look down the chain to find the matching Device Device
*/
-static struct device_node *find_Device_Node(int bus, int devfn)
+static struct device_node *find_device_node(int bus, int devfn)
{
struct device_node *node;
{
struct pci_dev *pdev = NULL;
struct device_node *node;
- int DeviceCount = 0;
+ int num_dev = 0;
/* Fix up at the device node and pci_dev relationship */
mf_display_src(0xC9000100);
printk("pcibios_final_fixup\n");
for_each_pci_dev(pdev) {
- node = find_Device_Node(pdev->bus->number, pdev->devfn);
+ node = find_device_node(pdev->bus->number, pdev->devfn);
printk("pci dev %p (%x.%x), node %p\n", pdev,
pdev->bus->number, pdev->devfn, node);
err = HvCallXm_connectBusUnit(pdn->busno, pdn->bussubno,
*agent, irq);
if (err)
- pci_Log_Error("Connect Bus Unit",
+ pci_log_error("Connect Bus Unit",
pdn->busno, pdn->bussubno, *agent, err);
else {
err = HvCallPci_configStore8(pdn->busno, pdn->bussubno,
PCI_INTERRUPT_LINE,
irq);
if (err)
- pci_Log_Error("PciCfgStore Irq Failed!",
+ pci_log_error("PciCfgStore Irq Failed!",
pdn->busno, pdn->bussubno, *agent, err);
}
if (!err)
pdev->irq = irq;
}
- ++DeviceCount;
+ ++num_dev;
pdev->sysdata = (void *)node;
PCI_DN(node)->pcidev = pdev;
allocate_device_bars(pdev);
- iSeries_Device_Information(pdev, DeviceCount);
+ iSeries_Device_Information(pdev, num_dev);
iommu_devnode_init_iSeries(pdev, node);
} else
printk("PCI: Device Tree not found for 0x%016lX\n",
* Sanity Check Node PciDev to passed pci_dev
* If none is found, returns a NULL which the client must handle.
*/
-static struct device_node *get_Device_Node(struct pci_dev *pdev)
+static struct device_node *get_device_node(struct pci_dev *pdev)
{
struct device_node *node;
node = pdev->sysdata;
if (node == NULL || PCI_DN(node)->pcidev != pdev)
- node = find_Device_Node(pdev->bus->number, pdev->devfn);
+ node = find_device_node(pdev->bus->number, pdev->devfn);
return node;
}
#endif
static int iSeries_pci_read_config(struct pci_bus *bus, unsigned int devfn,
int offset, int size, u32 *val)
{
- struct device_node *node = find_Device_Node(bus->number, devfn);
+ struct device_node *node = find_device_node(bus->number, devfn);
u64 fn;
struct HvCallPci_LoadReturn ret;
static int iSeries_pci_write_config(struct pci_bus *bus, unsigned int devfn,
int offset, int size, u32 val)
{
- struct device_node *node = find_Device_Node(bus->number, devfn);
+ struct device_node *node = find_device_node(bus->number, devfn);
u64 fn;
u64 ret;
* PCI: Device 23.90 ReadL Retry( 1)
* PCI: Device 23.90 ReadL Retry Successful(1)
*/
-static int CheckReturnCode(char *TextHdr, struct device_node *DevNode,
+static int check_return_code(char *type, struct device_node *dn,
int *retry, u64 ret)
{
if (ret != 0) {
- struct pci_dn *pdn = PCI_DN(DevNode);
+ struct pci_dn *pdn = PCI_DN(dn);
(*retry)++;
printk("PCI: %s: Device 0x%04X:%02X I/O Error(%2d): 0x%04X\n",
- TextHdr, pdn->busno, pdn->devfn,
+ type, pdn->busno, pdn->devfn,
*retry, (int)ret);
/*
* Bump the retry and check for retry count exceeded.
* the exposure of being device global.
*/
static inline struct device_node *xlate_iomm_address(
- const volatile void __iomem *IoAddress,
- u64 *dsaptr, u64 *BarOffsetPtr)
+ const volatile void __iomem *addr,
+ u64 *dsaptr, u64 *bar_offset)
{
- unsigned long OrigIoAddr;
- unsigned long BaseIoAddr;
- unsigned long TableIndex;
- struct device_node *DevNode;
+ unsigned long orig_addr;
+ unsigned long base_addr;
+ unsigned long ind;
+ struct device_node *dn;
- OrigIoAddr = (unsigned long __force)IoAddress;
- if ((OrigIoAddr < BASE_IO_MEMORY) || (OrigIoAddr >= max_io_memory))
+ orig_addr = (unsigned long __force)addr;
+ if ((orig_addr < BASE_IO_MEMORY) || (orig_addr >= max_io_memory))
return NULL;
- BaseIoAddr = OrigIoAddr - BASE_IO_MEMORY;
- TableIndex = BaseIoAddr / IOMM_TABLE_ENTRY_SIZE;
- DevNode = iomm_table[TableIndex];
-
- if (DevNode != NULL) {
- int barnum = iobar_table[TableIndex];
- *dsaptr = iseries_ds_addr(DevNode) | (barnum << 24);
- *BarOffsetPtr = BaseIoAddr % IOMM_TABLE_ENTRY_SIZE;
+ base_addr = orig_addr - BASE_IO_MEMORY;
+ ind = base_addr / IOMM_TABLE_ENTRY_SIZE;
+ dn = iomm_table[ind];
+
+ if (dn != NULL) {
+ int barnum = iobar_table[ind];
+ *dsaptr = iseries_ds_addr(dn) | (barnum << 24);
+ *bar_offset = base_addr % IOMM_TABLE_ENTRY_SIZE;
} else
- panic("PCI: Invalid PCI IoAddress detected!\n");
- return DevNode;
+ panic("PCI: Invalid PCI IO address detected!\n");
+ return dn;
}
/*
* On MM I/O error, all ones are returned and iSeries_pci_IoError is cal
* else, data is returned in Big Endian format.
*/
-static u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress)
+static u8 iSeries_read_byte(const volatile void __iomem *addr)
{
- u64 BarOffset;
+ u64 bar_offset;
u64 dsa;
int retry = 0;
struct HvCallPci_LoadReturn ret;
- struct device_node *DevNode =
- xlate_iomm_address(IoAddress, &dsa, &BarOffset);
+ struct device_node *dn =
+ xlate_iomm_address(addr, &dsa, &bar_offset);
- if (DevNode == NULL) {
+ if (dn == NULL) {
static unsigned long last_jiffies;
static int num_printed;
num_printed = 0;
}
if (num_printed++ < 10)
- printk(KERN_ERR "iSeries_Read_Byte: invalid access at IO address %p\n",
- IoAddress);
+ printk(KERN_ERR "iSeries_read_byte: invalid access at IO address %p\n",
+ addr);
return 0xff;
}
do {
- HvCall3Ret16(HvCallPciBarLoad8, &ret, dsa, BarOffset, 0);
- } while (CheckReturnCode("RDB", DevNode, &retry, ret.rc) != 0);
+ HvCall3Ret16(HvCallPciBarLoad8, &ret, dsa, bar_offset, 0);
+ } while (check_return_code("RDB", dn, &retry, ret.rc) != 0);
return ret.value;
}
-static u16 iSeries_Read_Word(const volatile void __iomem *IoAddress)
+static u16 iSeries_read_word(const volatile void __iomem *addr)
{
- u64 BarOffset;
+ u64 bar_offset;
u64 dsa;
int retry = 0;
struct HvCallPci_LoadReturn ret;
- struct device_node *DevNode =
- xlate_iomm_address(IoAddress, &dsa, &BarOffset);
+ struct device_node *dn =
+ xlate_iomm_address(addr, &dsa, &bar_offset);
- if (DevNode == NULL) {
+ if (dn == NULL) {
static unsigned long last_jiffies;
static int num_printed;
num_printed = 0;
}
if (num_printed++ < 10)
- printk(KERN_ERR "iSeries_Read_Word: invalid access at IO address %p\n",
- IoAddress);
+ printk(KERN_ERR "iSeries_read_word: invalid access at IO address %p\n",
+ addr);
return 0xffff;
}
do {
HvCall3Ret16(HvCallPciBarLoad16, &ret, dsa,
- BarOffset, 0);
- } while (CheckReturnCode("RDW", DevNode, &retry, ret.rc) != 0);
+ bar_offset, 0);
+ } while (check_return_code("RDW", dn, &retry, ret.rc) != 0);
return ret.value;
}
-static u32 iSeries_Read_Long(const volatile void __iomem *IoAddress)
+static u32 iSeries_read_long(const volatile void __iomem *addr)
{
- u64 BarOffset;
+ u64 bar_offset;
u64 dsa;
int retry = 0;
struct HvCallPci_LoadReturn ret;
- struct device_node *DevNode =
- xlate_iomm_address(IoAddress, &dsa, &BarOffset);
+ struct device_node *dn =
+ xlate_iomm_address(addr, &dsa, &bar_offset);
- if (DevNode == NULL) {
+ if (dn == NULL) {
static unsigned long last_jiffies;
static int num_printed;
num_printed = 0;
}
if (num_printed++ < 10)
- printk(KERN_ERR "iSeries_Read_Long: invalid access at IO address %p\n",
- IoAddress);
+ printk(KERN_ERR "iSeries_read_long: invalid access at IO address %p\n",
+ addr);
return 0xffffffff;
}
do {
HvCall3Ret16(HvCallPciBarLoad32, &ret, dsa,
- BarOffset, 0);
- } while (CheckReturnCode("RDL", DevNode, &retry, ret.rc) != 0);
+ bar_offset, 0);
+ } while (check_return_code("RDL", dn, &retry, ret.rc) != 0);
return ret.value;
}
* Write MM I/O Instructions for the iSeries
*
*/
-static void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress)
+static void iSeries_write_byte(u8 data, volatile void __iomem *addr)
{
- u64 BarOffset;
+ u64 bar_offset;
u64 dsa;
int retry = 0;
u64 rc;
- struct device_node *DevNode =
- xlate_iomm_address(IoAddress, &dsa, &BarOffset);
+ struct device_node *dn =
+ xlate_iomm_address(addr, &dsa, &bar_offset);
- if (DevNode == NULL) {
+ if (dn == NULL) {
static unsigned long last_jiffies;
static int num_printed;
num_printed = 0;
}
if (num_printed++ < 10)
- printk(KERN_ERR "iSeries_Write_Byte: invalid access at IO address %p\n", IoAddress);
+ printk(KERN_ERR "iSeries_write_byte: invalid access at IO address %p\n", addr);
return;
}
do {
- rc = HvCall4(HvCallPciBarStore8, dsa, BarOffset, data, 0);
- } while (CheckReturnCode("WWB", DevNode, &retry, rc) != 0);
+ rc = HvCall4(HvCallPciBarStore8, dsa, bar_offset, data, 0);
+ } while (check_return_code("WWB", dn, &retry, rc) != 0);
}
-static void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress)
+static void iSeries_write_word(u16 data, volatile void __iomem *addr)
{
- u64 BarOffset;
+ u64 bar_offset;
u64 dsa;
int retry = 0;
u64 rc;
- struct device_node *DevNode =
- xlate_iomm_address(IoAddress, &dsa, &BarOffset);
+ struct device_node *dn =
+ xlate_iomm_address(addr, &dsa, &bar_offset);
- if (DevNode == NULL) {
+ if (dn == NULL) {
static unsigned long last_jiffies;
static int num_printed;
num_printed = 0;
}
if (num_printed++ < 10)
- printk(KERN_ERR "iSeries_Write_Word: invalid access at IO address %p\n",
- IoAddress);
+ printk(KERN_ERR "iSeries_write_word: invalid access at IO address %p\n",
+ addr);
return;
}
do {
- rc = HvCall4(HvCallPciBarStore16, dsa, BarOffset, data, 0);
- } while (CheckReturnCode("WWW", DevNode, &retry, rc) != 0);
+ rc = HvCall4(HvCallPciBarStore16, dsa, bar_offset, data, 0);
+ } while (check_return_code("WWW", dn, &retry, rc) != 0);
}
-static void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress)
+static void iSeries_write_long(u32 data, volatile void __iomem *addr)
{
- u64 BarOffset;
+ u64 bar_offset;
u64 dsa;
int retry = 0;
u64 rc;
- struct device_node *DevNode =
- xlate_iomm_address(IoAddress, &dsa, &BarOffset);
+ struct device_node *dn =
+ xlate_iomm_address(addr, &dsa, &bar_offset);
- if (DevNode == NULL) {
+ if (dn == NULL) {
static unsigned long last_jiffies;
static int num_printed;
num_printed = 0;
}
if (num_printed++ < 10)
- printk(KERN_ERR "iSeries_Write_Long: invalid access at IO address %p\n",
- IoAddress);
+ printk(KERN_ERR "iSeries_write_long: invalid access at IO address %p\n",
+ addr);
return;
}
do {
- rc = HvCall4(HvCallPciBarStore32, dsa, BarOffset, data, 0);
- } while (CheckReturnCode("WWL", DevNode, &retry, rc) != 0);
+ rc = HvCall4(HvCallPciBarStore32, dsa, bar_offset, data, 0);
+ } while (check_return_code("WWL", dn, &retry, rc) != 0);
}
static u8 iseries_readb(const volatile void __iomem *addr)
{
- return iSeries_Read_Byte(addr);
+ return iSeries_read_byte(addr);
}
static u16 iseries_readw(const volatile void __iomem *addr)
{
- return le16_to_cpu(iSeries_Read_Word(addr));
+ return le16_to_cpu(iSeries_read_word(addr));
}
static u32 iseries_readl(const volatile void __iomem *addr)
{
- return le32_to_cpu(iSeries_Read_Long(addr));
+ return le32_to_cpu(iSeries_read_long(addr));
}
static u16 iseries_readw_be(const volatile void __iomem *addr)
{
- return iSeries_Read_Word(addr);
+ return iSeries_read_word(addr);
}
static u32 iseries_readl_be(const volatile void __iomem *addr)
{
- return iSeries_Read_Long(addr);
+ return iSeries_read_long(addr);
}
static void iseries_writeb(u8 data, volatile void __iomem *addr)
{
- iSeries_Write_Byte(data, addr);
+ iSeries_write_byte(data, addr);
}
static void iseries_writew(u16 data, volatile void __iomem *addr)
{
- iSeries_Write_Word(cpu_to_le16(data), addr);
+ iSeries_write_word(cpu_to_le16(data), addr);
}
static void iseries_writel(u32 data, volatile void __iomem *addr)
{
- iSeries_Write_Long(cpu_to_le32(data), addr);
+ iSeries_write_long(cpu_to_le32(data), addr);
}
static void iseries_writew_be(u16 data, volatile void __iomem *addr)
{
- iSeries_Write_Word(data, addr);
+ iSeries_write_word(data, addr);
}
static void iseries_writel_be(u32 data, volatile void __iomem *addr)
{
- iSeries_Write_Long(data, addr);
+ iSeries_write_long(data, addr);
}
static void iseries_readsb(const volatile void __iomem *addr, void *buf,
{
u8 *dst = buf;
while(count-- > 0)
- *(dst++) = iSeries_Read_Byte(addr);
+ *(dst++) = iSeries_read_byte(addr);
}
static void iseries_readsw(const volatile void __iomem *addr, void *buf,
{
u16 *dst = buf;
while(count-- > 0)
- *(dst++) = iSeries_Read_Word(addr);
+ *(dst++) = iSeries_read_word(addr);
}
static void iseries_readsl(const volatile void __iomem *addr, void *buf,
{
u32 *dst = buf;
while(count-- > 0)
- *(dst++) = iSeries_Read_Long(addr);
+ *(dst++) = iSeries_read_long(addr);
}
static void iseries_writesb(volatile void __iomem *addr, const void *buf,
{
const u8 *src = buf;
while(count-- > 0)
- iSeries_Write_Byte(*(src++), addr);
+ iSeries_write_byte(*(src++), addr);
}
static void iseries_writesw(volatile void __iomem *addr, const void *buf,
{
const u16 *src = buf;
while(count-- > 0)
- iSeries_Write_Word(*(src++), addr);
+ iSeries_write_word(*(src++), addr);
}
static void iseries_writesl(volatile void __iomem *addr, const void *buf,
{
const u32 *src = buf;
while(count-- > 0)
- iSeries_Write_Long(*(src++), addr);
+ iSeries_write_long(*(src++), addr);
}
static void iseries_memset_io(volatile void __iomem *addr, int c,
volatile char __iomem *d = addr;
while (n-- > 0)
- iSeries_Write_Byte(c, d++);
+ iSeries_write_byte(c, d++);
}
static void iseries_memcpy_fromio(void *dest, const volatile void __iomem *src,
const volatile char __iomem *s = src;
while (n-- > 0)
- *d++ = iSeries_Read_Byte(s++);
+ *d++ = iSeries_read_byte(s++);
}
static void iseries_memcpy_toio(volatile void __iomem *dest, const void *src,
volatile char __iomem *d = dest;
while (n-- > 0)
- iSeries_Write_Byte(*s++, d++);
+ iSeries_write_byte(*s++, d++);
}
/* We only set MMIO ops. The default PIO ops will be default
projects / mirror_ubuntu-jammy-kernel.git / commitdiff