xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Kods Problēmas Izmaiņu pieprasījumi Darbības Pakotnes Projekti Laidieni Vikivietne Aktivitāte

Pull test into release branch

Pārlūkot izejas kodu
Šī revīzija ir iekļauta:
Len Brown
2007-02-06 15:31:00 -05:00
vecāks 62d0cfcb27 76a2e849df
revīzija 57e1c5c87d
221 mainīti faili ar 8903 papildinājumiem un 9113 dzēšanām
Lejupielādēt ielāpa failu Lejupielādēt izmaiņu failu Izvērst visus failus Savērst visus failus

200
arch/ia64/kernel/acpi.c
Parādīt failu

@@ -55,7 +55,7 @@
#define BAD_MADT_ENTRY(entry, end) ( \
(!entry) || (unsigned long)entry + sizeof(*entry) > end || \
((acpi_table_entry_header *)entry)->length < sizeof(*entry))
((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
#define PREFIX "ACPI: "
@@ -67,16 +67,11 @@ EXPORT_SYMBOL(pm_power_off);
unsigned int acpi_cpei_override;
unsigned int acpi_cpei_phys_cpuid;
#define MAX_SAPICS 256
u16 ia64_acpiid_to_sapicid[MAX_SAPICS] = {[0 ... MAX_SAPICS - 1] = -1 };
EXPORT_SYMBOL(ia64_acpiid_to_sapicid);
const char *acpi_get_sysname(void)
{
#ifdef CONFIG_IA64_GENERIC
unsigned long rsdp_phys;
struct acpi20_table_rsdp *rsdp;
struct acpi_table_rsdp *rsdp;
struct acpi_table_xsdt *xsdt;
struct acpi_table_header *hdr;
@@ -87,16 +82,16 @@ const char *acpi_get_sysname(void)
return "dig";
}
rsdp = (struct acpi20_table_rsdp *)__va(rsdp_phys);
if (strncmp(rsdp->signature, RSDP_SIG, sizeof(RSDP_SIG) - 1)) {
rsdp = (struct acpi_table_rsdp *)__va(rsdp_phys);
if (strncmp(rsdp->signature, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1)) {
printk(KERN_ERR
"ACPI 2.0 RSDP signature incorrect, default to \"dig\"\n");
return "dig";
}
xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_address);
xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_physical_address);
hdr = &xsdt->header;
if (strncmp(hdr->signature, XSDT_SIG, sizeof(XSDT_SIG) - 1)) {
if (strncmp(hdr->signature, ACPI_SIG_XSDT, sizeof(ACPI_SIG_XSDT) - 1)) {
printk(KERN_ERR
"ACPI 2.0 XSDT signature incorrect, default to \"dig\"\n");
return "dig";
@@ -169,12 +164,12 @@ struct acpi_table_madt *acpi_madt __initdata;
static u8 has_8259;
static int __init
acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header,
const unsigned long end)
{
struct acpi_table_lapic_addr_ovr *lapic;
struct acpi_madt_local_apic_override *lapic;
lapic = (struct acpi_table_lapic_addr_ovr *)header;
lapic = (struct acpi_madt_local_apic_override *)header;
if (BAD_MADT_ENTRY(lapic, end))
return -EINVAL;
@@ -187,22 +182,19 @@ acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
}
static int __init
acpi_parse_lsapic(acpi_table_entry_header * header, const unsigned long end)
acpi_parse_lsapic(struct acpi_subtable_header * header, const unsigned long end)
{
struct acpi_table_lsapic *lsapic;
struct acpi_madt_local_sapic *lsapic;
lsapic = (struct acpi_table_lsapic *)header;
lsapic = (struct acpi_madt_local_sapic *)header;
if (BAD_MADT_ENTRY(lsapic, end))
return -EINVAL;
/*Skip BAD_MADT_ENTRY check, as lsapic size could vary */
if (lsapic->flags.enabled) {
if (lsapic->lapic_flags & ACPI_MADT_ENABLED) {
#ifdef CONFIG_SMP
smp_boot_data.cpu_phys_id[available_cpus] =
(lsapic->id << 8) | lsapic->eid;
#endif
ia64_acpiid_to_sapicid[lsapic->acpi_id] =
(lsapic->id << 8) | lsapic->eid;
++available_cpus;
}
@@ -211,11 +203,11 @@ acpi_parse_lsapic(acpi_table_entry_header * header, const unsigned long end)
}
static int __init
acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
{
struct acpi_table_lapic_nmi *lacpi_nmi;
struct acpi_madt_local_apic_nmi *lacpi_nmi;
lacpi_nmi = (struct acpi_table_lapic_nmi *)header;
lacpi_nmi = (struct acpi_madt_local_apic_nmi *)header;
if (BAD_MADT_ENTRY(lacpi_nmi, end))
return -EINVAL;
@@ -225,11 +217,11 @@ acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
}
static int __init
acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end)
acpi_parse_iosapic(struct acpi_subtable_header * header, const unsigned long end)
{
struct acpi_table_iosapic *iosapic;
struct acpi_madt_io_sapic *iosapic;
iosapic = (struct acpi_table_iosapic *)header;
iosapic = (struct acpi_madt_io_sapic *)header;
if (BAD_MADT_ENTRY(iosapic, end))
return -EINVAL;
@@ -240,13 +232,13 @@ acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end)
static unsigned int __initdata acpi_madt_rev;
static int __init
acpi_parse_plat_int_src(acpi_table_entry_header * header,
acpi_parse_plat_int_src(struct acpi_subtable_header * header,
const unsigned long end)
{
struct acpi_table_plat_int_src *plintsrc;
struct acpi_madt_interrupt_source *plintsrc;
int vector;
plintsrc = (struct acpi_table_plat_int_src *)header;
plintsrc = (struct acpi_madt_interrupt_source *)header;
if (BAD_MADT_ENTRY(plintsrc, end))
return -EINVAL;
@@ -257,19 +249,19 @@ acpi_parse_plat_int_src(acpi_table_entry_header * header,
*/
vector = iosapic_register_platform_intr(plintsrc->type,
plintsrc->global_irq,
plintsrc->iosapic_vector,
plintsrc->io_sapic_vector,
plintsrc->eid,
plintsrc->id,
(plintsrc->flags.polarity ==
1) ? IOSAPIC_POL_HIGH :
IOSAPIC_POL_LOW,
(plintsrc->flags.trigger ==
1) ? IOSAPIC_EDGE :
IOSAPIC_LEVEL);
((plintsrc->inti_flags & ACPI_MADT_POLARITY_MASK) ==
ACPI_MADT_POLARITY_ACTIVE_HIGH) ?
IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
((plintsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) ==
ACPI_MADT_TRIGGER_EDGE) ?
IOSAPIC_EDGE : IOSAPIC_LEVEL);
platform_intr_list[plintsrc->type] = vector;
if (acpi_madt_rev > 1) {
acpi_cpei_override = plintsrc->plint_flags.cpei_override_flag;
acpi_cpei_override = plintsrc->flags & ACPI_MADT_CPEI_OVERRIDE;
}
/*
@@ -324,30 +316,32 @@ unsigned int get_cpei_target_cpu(void)
}
static int __init
acpi_parse_int_src_ovr(acpi_table_entry_header * header,
acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
const unsigned long end)
{
struct acpi_table_int_src_ovr *p;
struct acpi_madt_interrupt_override *p;
p = (struct acpi_table_int_src_ovr *)header;
p = (struct acpi_madt_interrupt_override *)header;
if (BAD_MADT_ENTRY(p, end))
return -EINVAL;
iosapic_override_isa_irq(p->bus_irq, p->global_irq,
(p->flags.polarity ==
1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
(p->flags.trigger ==
1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
iosapic_override_isa_irq(p->source_irq, p->global_irq,
((p->inti_flags & ACPI_MADT_POLARITY_MASK) ==
ACPI_MADT_POLARITY_ACTIVE_HIGH) ?
IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
((p->inti_flags & ACPI_MADT_TRIGGER_MASK) ==
ACPI_MADT_TRIGGER_EDGE) ?
IOSAPIC_EDGE : IOSAPIC_LEVEL);
return 0;
}
static int __init
acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end)
{
struct acpi_table_nmi_src *nmi_src;
struct acpi_madt_nmi_source *nmi_src;
nmi_src = (struct acpi_table_nmi_src *)header;
nmi_src = (struct acpi_madt_nmi_source *)header;
if (BAD_MADT_ENTRY(nmi_src, end))
return -EINVAL;
@@ -371,12 +365,12 @@ static void __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
}
}
static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
static int __init acpi_parse_madt(struct acpi_table_header *table)
{
if (!phys_addr || !size)
if (!table)
return -EINVAL;
acpi_madt = (struct acpi_table_madt *)__va(phys_addr);
acpi_madt = (struct acpi_table_madt *)table;
acpi_madt_rev = acpi_madt->header.revision;
@@ -384,14 +378,14 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
#ifdef CONFIG_ITANIUM
has_8259 = 1; /* Firmware on old Itanium systems is broken */
#else
has_8259 = acpi_madt->flags.pcat_compat;
has_8259 = acpi_madt->flags & ACPI_MADT_PCAT_COMPAT;
#endif
iosapic_system_init(has_8259);
/* Get base address of IPI Message Block */
if (acpi_madt->lapic_address)
ipi_base_addr = ioremap(acpi_madt->lapic_address, 0);
if (acpi_madt->address)
ipi_base_addr = ioremap(acpi_madt->address, 0);
printk(KERN_INFO PREFIX "Local APIC address %p\n", ipi_base_addr);
@@ -413,23 +407,24 @@ static u32 __devinitdata pxm_flag[PXM_FLAG_LEN];
#define pxm_bit_test(bit) (test_bit(bit,(void *)pxm_flag))
static struct acpi_table_slit __initdata *slit_table;
static int get_processor_proximity_domain(struct acpi_table_processor_affinity *pa)
static int get_processor_proximity_domain(struct acpi_srat_cpu_affinity *pa)
{
int pxm;
pxm = pa->proximity_domain;
pxm = pa->proximity_domain_lo;
if (ia64_platform_is("sn2"))
pxm += pa->reserved[0] << 8;
pxm += pa->proximity_domain_hi[0] << 8;
return pxm;
}
static int get_memory_proximity_domain(struct acpi_table_memory_affinity *ma)
static int get_memory_proximity_domain(struct acpi_srat_mem_affinity *ma)
{
int pxm;
pxm = ma->proximity_domain;
if (ia64_platform_is("sn2"))
pxm += ma->reserved1[0] << 8;
if (!ia64_platform_is("sn2"))
pxm &= 0xff;
return pxm;
}
@@ -442,7 +437,7 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
u32 len;
len = sizeof(struct acpi_table_header) + 8
+ slit->localities * slit->localities;
+ slit->locality_count * slit->locality_count;
if (slit->header.length != len) {
printk(KERN_ERR
"ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n",
@@ -454,11 +449,11 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
}
void __init
acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
{
int pxm;
if (!pa->flags.enabled)
if (!(pa->flags & ACPI_SRAT_CPU_ENABLED))
return;
pxm = get_processor_proximity_domain(pa);
@@ -467,14 +462,14 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
pxm_bit_set(pxm);
node_cpuid[srat_num_cpus].phys_id =
(pa->apic_id << 8) | (pa->lsapic_eid);
(pa->apic_id << 8) | (pa->local_sapic_eid);
/* nid should be overridden as logical node id later */
node_cpuid[srat_num_cpus].nid = pxm;
srat_num_cpus++;
}
void __init
acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
{
unsigned long paddr, size;
int pxm;
@@ -483,13 +478,11 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
pxm = get_memory_proximity_domain(ma);
/* fill node memory chunk structure */
paddr = ma->base_addr_hi;
paddr = (paddr << 32) | ma->base_addr_lo;
size = ma->length_hi;
size = (size << 32) | ma->length_lo;
paddr = ma->base_address;
size = ma->length;
/* Ignore disabled entries */
if (!ma->flags.enabled)
if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
return;
/* record this node in proximity bitmap */
@@ -560,16 +553,16 @@ void __init acpi_numa_arch_fixup(void)
if (!slit_table)
return;
memset(numa_slit, -1, sizeof(numa_slit));
for (i = 0; i < slit_table->localities; i++) {
for (i = 0; i < slit_table->locality_count; i++) {
if (!pxm_bit_test(i))
continue;
node_from = pxm_to_node(i);
for (j = 0; j < slit_table->localities; j++) {
for (j = 0; j < slit_table->locality_count; j++) {
if (!pxm_bit_test(j))
continue;
node_to = pxm_to_node(j);
node_distance(node_from, node_to) =
slit_table->entry[i * slit_table->localities + j];
slit_table->entry[i * slit_table->locality_count + j];
}
}
@@ -617,21 +610,21 @@ void acpi_unregister_gsi(u32 gsi)
EXPORT_SYMBOL(acpi_unregister_gsi);
static int __init acpi_parse_fadt(unsigned long phys_addr, unsigned long size)
static int __init acpi_parse_fadt(struct acpi_table_header *table)
{
struct acpi_table_header *fadt_header;
struct fadt_descriptor *fadt;
struct acpi_table_fadt *fadt;
if (!phys_addr || !size)
if (!table)
return -EINVAL;
fadt_header = (struct acpi_table_header *)__va(phys_addr);
fadt_header = (struct acpi_table_header *)table;
if (fadt_header->revision != 3)
return -ENODEV; /* Only deal with ACPI 2.0 FADT */
fadt = (struct fadt_descriptor *)fadt_header;
fadt = (struct acpi_table_fadt *)fadt_header;
acpi_register_gsi(fadt->sci_int, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
acpi_register_gsi(fadt->sci_interrupt, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
return 0;
}
@@ -658,7 +651,7 @@ int __init acpi_boot_init(void)
* information -- the successor to MPS tables.
*/
if (acpi_table_parse(ACPI_APIC, acpi_parse_madt) < 1) {
if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt) < 1) {
printk(KERN_ERR PREFIX "Can't find MADT\n");
goto skip_madt;
}
@@ -666,40 +659,40 @@ int __init acpi_boot_init(void)
/* Local APIC */
if (acpi_table_parse_madt
(ACPI_MADT_LAPIC_ADDR_OVR, acpi_parse_lapic_addr_ovr, 0) < 0)
(ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, acpi_parse_lapic_addr_ovr, 0) < 0)
printk(KERN_ERR PREFIX
"Error parsing LAPIC address override entry\n");
if (acpi_table_parse_madt(ACPI_MADT_LSAPIC, acpi_parse_lsapic, NR_CPUS)
if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC, acpi_parse_lsapic, NR_CPUS)
< 1)
printk(KERN_ERR PREFIX
"Error parsing MADT - no LAPIC entries\n");
if (acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0)
if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0)
< 0)
printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
/* I/O APIC */
if (acpi_table_parse_madt
(ACPI_MADT_IOSAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
(ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
printk(KERN_ERR PREFIX
"Error parsing MADT - no IOSAPIC entries\n");
/* System-Level Interrupt Routing */
if (acpi_table_parse_madt
(ACPI_MADT_PLAT_INT_SRC, acpi_parse_plat_int_src,
(ACPI_MADT_TYPE_INTERRUPT_SOURCE, acpi_parse_plat_int_src,
ACPI_MAX_PLATFORM_INTERRUPTS) < 0)
printk(KERN_ERR PREFIX
"Error parsing platform interrupt source entry\n");
if (acpi_table_parse_madt
(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, 0) < 0)
(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, 0) < 0)
printk(KERN_ERR PREFIX
"Error parsing interrupt source overrides entry\n");
if (acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src, 0) < 0)
if (acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src, 0) < 0)
printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
skip_madt:
@@ -709,7 +702,7 @@ int __init acpi_boot_init(void)
* gets interrupts such as power and sleep buttons. If it's not
* on a Legacy interrupt, it needs to be setup.
*/
if (acpi_table_parse(ACPI_FADT, acpi_parse_fadt) < 1)
if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt) < 1)
printk(KERN_ERR PREFIX "Can't find FADT\n");
#ifdef CONFIG_SMP
@@ -842,7 +835,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
struct acpi_table_lsapic *lsapic;
struct acpi_madt_local_sapic *lsapic;
cpumask_t tmp_map;
long physid;
int cpu;
@@ -854,16 +847,16 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
return -EINVAL;
obj = buffer.pointer;
if (obj->type != ACPI_TYPE_BUFFER ||
obj->buffer.length < sizeof(*lsapic)) {
if (obj->type != ACPI_TYPE_BUFFER)
{
kfree(buffer.pointer);
return -EINVAL;
}
lsapic = (struct acpi_table_lsapic *)obj->buffer.pointer;
lsapic = (struct acpi_madt_local_sapic *)obj->buffer.pointer;
if ((lsapic->header.type != ACPI_MADT_LSAPIC) ||
(!lsapic->flags.enabled)) {
if ((lsapic->header.type != ACPI_MADT_TYPE_LOCAL_SAPIC) ||
(!lsapic->lapic_flags & ACPI_MADT_ENABLED)) {
kfree(buffer.pointer);
return -EINVAL;
}
@@ -883,7 +876,6 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
cpu_set(cpu, cpu_present_map);
ia64_cpu_to_sapicid[cpu] = physid;
ia64_acpiid_to_sapicid[lsapic->acpi_id] = ia64_cpu_to_sapicid[cpu];
*pcpu = cpu;
return (0);
@@ -893,14 +885,6 @@ EXPORT_SYMBOL(acpi_map_lsapic);
int acpi_unmap_lsapic(int cpu)
{
int i;
for (i = 0; i < MAX_SAPICS; i++) {
if (ia64_acpiid_to_sapicid[i] == ia64_cpu_to_sapicid[cpu]) {
ia64_acpiid_to_sapicid[i] = -1;
break;
}
}
ia64_cpu_to_sapicid[cpu] = -1;
cpu_clear(cpu, cpu_present_map);
@@ -920,7 +904,7 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
struct acpi_table_iosapic *iosapic;
struct acpi_madt_io_sapic *iosapic;
unsigned int gsi_base;
int pxm, node;
@@ -938,9 +922,9 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret)
return AE_OK;
}
iosapic = (struct acpi_table_iosapic *)obj->buffer.pointer;
iosapic = (struct acpi_madt_io_sapic *)obj->buffer.pointer;
if (iosapic->header.type != ACPI_MADT_IOSAPIC) {
if (iosapic->header.type != ACPI_MADT_TYPE_IO_SAPIC) {
kfree(buffer.pointer);
return AE_OK;
}

316
arch/ia64/sn/kernel/io_acpi_init.c
Parādīt failu

@@ -13,6 +13,7 @@
#include <asm/sn/sn_sal.h>
#include "xtalk/hubdev.h"
#include <linux/acpi.h>
#include <acpi/acnamesp.h>
/*
@@ -31,6 +32,12 @@ struct acpi_vendor_uuid sn_uuid = {
0xa2, 0x7c, 0x08, 0x00, 0x69, 0x13, 0xea, 0x51 },
};
struct sn_pcidev_match {
u8 bus;
unsigned int devfn;
acpi_handle handle;
};
/*
* Perform the early IO init in PROM.
*/
@@ -119,9 +126,11 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
&sn_uuid, &buffer);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR "get_acpi_pcibus_ptr: "
"get_acpi_bussoft_info() failed: %d\n",
status);
printk(KERN_ERR "%s: "
"acpi_get_vendor_resource() failed (0x%x) for: ",
__FUNCTION__, status);
acpi_ns_print_node_pathname(handle, NULL);
printk("\n");
return NULL;
}
resource = buffer.pointer;
@@ -130,8 +139,8 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
sizeof(struct pcibus_bussoft *)) {
printk(KERN_ERR
"get_acpi_bussoft_ptr: Invalid vendor data "
"length %d\n", vendor->byte_length);
"%s: Invalid vendor data length %d\n",
__FUNCTION__, vendor->byte_length);
kfree(buffer.pointer);
return NULL;
}
@@ -143,34 +152,254 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
}
/*
* sn_acpi_bus_fixup
* sn_extract_device_info - Extract the pcidev_info and the sn_irq_info
* pointers from the vendor resource using the
* provided acpi handle, and copy the structures
* into the argument buffers.
*/
void
sn_acpi_bus_fixup(struct pci_bus *bus)
static int
sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info,
struct sn_irq_info **sn_irq_info)
{
struct pci_dev *pci_dev = NULL;
struct pcibus_bussoft *prom_bussoft_ptr;
extern void sn_common_bus_fixup(struct pci_bus *,
struct pcibus_bussoft *);
u64 addr;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct sn_irq_info *irq_info, *irq_info_prom;
struct pcidev_info *pcidev_ptr, *pcidev_prom_ptr;
struct acpi_resource *resource;
int ret = 0;
acpi_status status;
struct acpi_resource_vendor_typed *vendor;
if (!bus->parent) { /* If root bus */
prom_bussoft_ptr = sn_get_bussoft_ptr(bus);
if (prom_bussoft_ptr == NULL) {
printk(KERN_ERR
"sn_pci_fixup_bus: 0x%04x:0x%02x Unable to "
"obtain prom_bussoft_ptr\n",
pci_domain_nr(bus), bus->number);
return;
/*
* The pointer to this device's pcidev_info structure in
* the PROM, is in the vendor resource.
*/
status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
&sn_uuid, &buffer);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR
"%s: acpi_get_vendor_resource() failed (0x%x) for: ",
__FUNCTION__, status);
acpi_ns_print_node_pathname(handle, NULL);
printk("\n");
return 1;
}
resource = buffer.pointer;
vendor = &resource->data.vendor_typed;
if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
sizeof(struct pci_devdev_info *)) {
printk(KERN_ERR
"%s: Invalid vendor data length: %d for: ",
__FUNCTION__, vendor->byte_length);
acpi_ns_print_node_pathname(handle, NULL);
printk("\n");
ret = 1;
goto exit;
}
pcidev_ptr = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
if (!pcidev_ptr)
panic("%s: Unable to alloc memory for pcidev_info", __FUNCTION__);
memcpy(&addr, vendor->byte_data, sizeof(struct pcidev_info *));
pcidev_prom_ptr = __va(addr);
memcpy(pcidev_ptr, pcidev_prom_ptr, sizeof(struct pcidev_info));
/* Get the IRQ info */
irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
if (!irq_info)
panic("%s: Unable to alloc memory for sn_irq_info", __FUNCTION__);
if (pcidev_ptr->pdi_sn_irq_info) {
irq_info_prom = __va(pcidev_ptr->pdi_sn_irq_info);
memcpy(irq_info, irq_info_prom, sizeof(struct sn_irq_info));
}
*pcidev_info = pcidev_ptr;
*sn_irq_info = irq_info;
exit:
kfree(buffer.pointer);
return ret;
}
static unsigned int
get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
{
unsigned long adr;
acpi_handle child;
unsigned int devfn;
int function;
acpi_handle parent;
int slot;
acpi_status status;
/*
* Do an upward search to find the root bus device, and
* obtain the host devfn from the previous child device.
*/
child = device_handle;
while (child) {
status = acpi_get_parent(child, &parent);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR "%s: acpi_get_parent() failed "
"(0x%x) for: ", __FUNCTION__, status);
acpi_ns_print_node_pathname(child, NULL);
printk("\n");
panic("%s: Unable to find host devfn\n", __FUNCTION__);
}
sn_common_bus_fixup(bus, prom_bussoft_ptr);
if (parent == rootbus_handle)
break;
child = parent;
}
list_for_each_entry(pci_dev, &bus->devices, bus_list) {
sn_pci_fixup_slot(pci_dev);
if (!child) {
printk(KERN_ERR "%s: Unable to find root bus for: ",
__FUNCTION__);
acpi_ns_print_node_pathname(device_handle, NULL);
printk("\n");
BUG();
}
status = acpi_evaluate_integer(child, METHOD_NAME__ADR, NULL, &adr);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR "%s: Unable to get _ADR (0x%x) for: ",
__FUNCTION__, status);
acpi_ns_print_node_pathname(child, NULL);
printk("\n");
panic("%s: Unable to find host devfn\n", __FUNCTION__);
}
slot = (adr >> 16) & 0xffff;
function = adr & 0xffff;
devfn = PCI_DEVFN(slot, function);
return devfn;
}
/*
* sn_acpi_slot_fixup - Perform any SN specific slot fixup.
* find_matching_device - Callback routine to find the ACPI device
* that matches up with our pci_dev device.
* Matching is done on bus number and devfn.
* To find the bus number for a particular
* ACPI device, we must look at the _BBN method
* of its parent.
*/
static acpi_status
find_matching_device(acpi_handle handle, u32 lvl, void *context, void **rv)
{
unsigned long bbn = -1;
unsigned long adr;
acpi_handle parent = NULL;
acpi_status status;
unsigned int devfn;
int function;
int slot;
struct sn_pcidev_match *info = context;
status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL,
&adr);
if (ACPI_SUCCESS(status)) {
status = acpi_get_parent(handle, &parent);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR
"%s: acpi_get_parent() failed (0x%x) for: ",
__FUNCTION__, status);
acpi_ns_print_node_pathname(handle, NULL);
printk("\n");
return AE_OK;
}
status = acpi_evaluate_integer(parent, METHOD_NAME__BBN,
NULL, &bbn);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR
"%s: Failed to find _BBN in parent of: ",
__FUNCTION__);
acpi_ns_print_node_pathname(handle, NULL);
printk("\n");
return AE_OK;
}
slot = (adr >> 16) & 0xffff;
function = adr & 0xffff;
devfn = PCI_DEVFN(slot, function);
if ((info->devfn == devfn) && (info->bus == bbn)) {
/* We have a match! */
info->handle = handle;
return 1;
}
}
return AE_OK;
}
/*
* sn_acpi_get_pcidev_info - Search ACPI namespace for the acpi
* device matching the specified pci_dev,
* and return the pcidev info and irq info.
*/
int
sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
struct sn_irq_info **sn_irq_info)
{
unsigned int host_devfn;
struct sn_pcidev_match pcidev_match;
acpi_handle rootbus_handle;
unsigned long segment;
acpi_status status;
rootbus_handle = PCI_CONTROLLER(dev)->acpi_handle;
status = acpi_evaluate_integer(rootbus_handle, METHOD_NAME__SEG, NULL,
&segment);
if (ACPI_SUCCESS(status)) {
if (segment != pci_domain_nr(dev)) {
printk(KERN_ERR
"%s: Segment number mismatch, 0x%lx vs 0x%x for: ",
__FUNCTION__, segment, pci_domain_nr(dev));
acpi_ns_print_node_pathname(rootbus_handle, NULL);
printk("\n");
return 1;
}
} else {
printk(KERN_ERR "%s: Unable to get __SEG from: ",
__FUNCTION__);
acpi_ns_print_node_pathname(rootbus_handle, NULL);
printk("\n");
return 1;
}
/*
* We want to search all devices in this segment/domain
* of the ACPI namespace for the matching ACPI device,
* which holds the pcidev_info pointer in its vendor resource.
*/
pcidev_match.bus = dev->bus->number;
pcidev_match.devfn = dev->devfn;
pcidev_match.handle = NULL;
acpi_walk_namespace(ACPI_TYPE_DEVICE, rootbus_handle, ACPI_UINT32_MAX,
find_matching_device, &pcidev_match, NULL);
if (!pcidev_match.handle) {
printk(KERN_ERR
"%s: Could not find matching ACPI device for %s.\n",
__FUNCTION__, pci_name(dev));
return 1;
}
if (sn_extract_device_info(pcidev_match.handle, pcidev_info, sn_irq_info))
return 1;
/* Build up the pcidev_info.pdi_slot_host_handle */
host_devfn = get_host_devfn(pcidev_match.handle, rootbus_handle);
(*pcidev_info)->pdi_slot_host_handle =
((unsigned long) pci_domain_nr(dev) << 40) |
/* bus == 0 */
host_devfn;
return 0;
}
/*
* sn_acpi_slot_fixup - Obtain the pcidev_info and sn_irq_info.
* Perform any SN specific slot fixup.
* At present there does not appear to be
* any generic way to handle a ROM image
* that has been shadowed by the PROM, so
@@ -179,11 +408,18 @@ sn_acpi_bus_fixup(struct pci_bus *bus)
*/
void
sn_acpi_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
sn_acpi_slot_fixup(struct pci_dev *dev)
{
void __iomem *addr;
struct pcidev_info *pcidev_info = NULL;
struct sn_irq_info *sn_irq_info = NULL;
size_t size;
if (sn_acpi_get_pcidev_info(dev, &pcidev_info, &sn_irq_info)) {
panic("%s: Failure obtaining pcidev_info for %s\n",
__FUNCTION__, pci_name(dev));
}
if (pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE]) {
/*
* A valid ROM image exists and has been shadowed by the
@@ -200,8 +436,11 @@ sn_acpi_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
(unsigned long) addr + size;
dev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_BIOS_COPY;
}
sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info);
}
EXPORT_SYMBOL(sn_acpi_slot_fixup);
static struct acpi_driver acpi_sn_hubdev_driver = {
.name = "SGI HUBDEV Driver",
.ids = "SGIHUB,SGITIO",
@@ -211,6 +450,33 @@ static struct acpi_driver acpi_sn_hubdev_driver = {
};
/*
* sn_acpi_bus_fixup - Perform SN specific setup of software structs
* (pcibus_bussoft, pcidev_info) and hardware
* registers, for the specified bus and devices under it.
*/
void
sn_acpi_bus_fixup(struct pci_bus *bus)
{
struct pci_dev *pci_dev = NULL;
struct pcibus_bussoft *prom_bussoft_ptr;
if (!bus->parent) { /* If root bus */
prom_bussoft_ptr = sn_get_bussoft_ptr(bus);
if (prom_bussoft_ptr == NULL) {
printk(KERN_ERR
"%s: 0x%04x:0x%02x Unable to "
"obtain prom_bussoft_ptr\n",
__FUNCTION__, pci_domain_nr(bus), bus->number);
return;
}
sn_common_bus_fixup(bus, prom_bussoft_ptr);
}
list_for_each_entry(pci_dev, &bus->devices, bus_list) {
sn_acpi_slot_fixup(pci_dev);
}
}
/*
* sn_io_acpi_init - PROM has ACPI support for IO, defining at a minimum the
* nodes and root buses in the DSDT. As a result, bus scanning

90
arch/ia64/sn/kernel/io_common.c
Parādīt failu

@@ -26,14 +26,10 @@
#include <linux/acpi.h>
#include <asm/sn/sn2/sn_hwperf.h>
#include <asm/sn/acpi.h>
#include "acpi/acglobal.h"
extern void sn_init_cpei_timer(void);
extern void register_sn_procfs(void);
extern void sn_acpi_bus_fixup(struct pci_bus *);
extern void sn_bus_fixup(struct pci_bus *);
extern void sn_acpi_slot_fixup(struct pci_dev *, struct pcidev_info *);
extern void sn_more_slot_fixup(struct pci_dev *, struct pcidev_info *);
extern void sn_legacy_pci_window_fixup(struct pci_controller *, u64, u64);
extern void sn_io_acpi_init(void);
extern void sn_io_init(void);
@@ -48,6 +44,9 @@ struct sysdata_el {
int sn_ioif_inited; /* SN I/O infrastructure initialized? */
int sn_acpi_rev; /* SN ACPI revision */
EXPORT_SYMBOL_GPL(sn_acpi_rev);
struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES]; /* indexed by asic type */
/*
@@ -98,25 +97,6 @@ sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num,
return ret_stuff.status;
}
/*
* Retrieve the pci device information given the bus and device|function number.
*/
static inline u64
sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev,
u64 sn_irq_info)
{
struct ia64_sal_retval ret_stuff;
ret_stuff.status = 0;
ret_stuff.v0 = 0;
SAL_CALL_NOLOCK(ret_stuff,
(u64) SN_SAL_IOIF_GET_PCIDEV_INFO,
(u64) segment, (u64) bus_number, (u64) devfn,
(u64) pci_dev,
sn_irq_info, 0, 0);
return ret_stuff.v0;
}
/*
* sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified
* device.
@@ -249,50 +229,25 @@ void sn_pci_unfixup_slot(struct pci_dev *dev)
}
/*
* sn_pci_fixup_slot() - This routine sets up a slot's resources consistent
* with the Linux PCI abstraction layer. Resources
* acquired from our PCI provider include PIO maps
* to BAR space and interrupt objects.
* sn_pci_fixup_slot()
*/
void sn_pci_fixup_slot(struct pci_dev *dev)
void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *pcidev_info,
struct sn_irq_info *sn_irq_info)
{
int segment = pci_domain_nr(dev->bus);
int status = 0;
struct pcibus_bussoft *bs;
struct pci_bus *host_pci_bus;
struct pci_dev *host_pci_dev;
struct pcidev_info *pcidev_info;
struct sn_irq_info *sn_irq_info;
unsigned int bus_no, devfn;
struct pci_bus *host_pci_bus;
struct pci_dev *host_pci_dev;
unsigned int bus_no, devfn;
pci_dev_get(dev); /* for the sysdata pointer */
pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
if (!pcidev_info)
BUG(); /* Cannot afford to run out of memory */
sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
if (!sn_irq_info)
BUG(); /* Cannot afford to run out of memory */
/* Call to retrieve pci device information needed by kernel. */
status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number,
dev->devfn,
(u64) __pa(pcidev_info),
(u64) __pa(sn_irq_info));
if (status)
BUG(); /* Cannot get platform pci device information */
/* Add pcidev_info to list in pci_controller.platform_data */
list_add_tail(&pcidev_info->pdi_list,
&(SN_PLATFORM_DATA(dev->bus)->pcidev_info));
if (SN_ACPI_BASE_SUPPORT())
sn_acpi_slot_fixup(dev, pcidev_info);
else
sn_more_slot_fixup(dev, pcidev_info);
/*
* Using the PROMs values for the PCI host bus, get the Linux
* PCI host_pci_dev struct and set up host bus linkages
* PCI host_pci_dev struct and set up host bus linkages
*/
bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff;
@@ -489,11 +444,6 @@ void sn_generate_path(struct pci_bus *pci_bus, char *address)
sprintf(address, "%s^%d", address, geo_slot(geoid));
}
/*
* sn_pci_fixup_bus() - Perform SN specific setup of software structs
* (pcibus_bussoft, pcidev_info) and hardware
* registers, for the specified bus and devices under it.
*/
void __devinit
sn_pci_fixup_bus(struct pci_bus *bus)
{
@@ -519,6 +469,15 @@ sn_io_early_init(void)
if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM())
return 0;
/* we set the acpi revision to that of the DSDT table OEM rev. */
{
struct acpi_table_header *header = NULL;
acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
BUG_ON(header == NULL);
sn_acpi_rev = header->oem_revision;
}
/*
* prime sn_pci_provider[]. Individial provider init routines will
* override their respective default entries.
@@ -544,8 +503,12 @@ sn_io_early_init(void)
register_sn_procfs();
#endif
printk(KERN_INFO "ACPI DSDT OEM Rev 0x%x\n",
acpi_gbl_DSDT->oem_revision);
{
struct acpi_table_header *header;
(void)acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
printk(KERN_INFO "ACPI DSDT OEM Rev 0x%x\n",
header->oem_revision);
}
if (SN_ACPI_BASE_SUPPORT())
sn_io_acpi_init();
else
@@ -605,7 +568,6 @@ sn_io_late_init(void)
fs_initcall(sn_io_late_init);
EXPORT_SYMBOL(sn_pci_fixup_slot);
EXPORT_SYMBOL(sn_pci_unfixup_slot);
EXPORT_SYMBOL(sn_bus_store_sysdata);
EXPORT_SYMBOL(sn_bus_free_sysdata);

54
arch/ia64/sn/kernel/io_init.c
Parādīt failu

@@ -56,6 +56,25 @@ static inline u64 sal_get_pcibus_info(u64 segment, u64 busnum, u64 address)
return ret_stuff.v0;
}
/*
* Retrieve the pci device information given the bus and device|function number.
*/
static inline u64
sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev,
u64 sn_irq_info)
{
struct ia64_sal_retval ret_stuff;
ret_stuff.status = 0;
ret_stuff.v0 = 0;
SAL_CALL_NOLOCK(ret_stuff,
(u64) SN_SAL_IOIF_GET_PCIDEV_INFO,
(u64) segment, (u64) bus_number, (u64) devfn,
(u64) pci_dev,
sn_irq_info, 0, 0);
return ret_stuff.v0;
}
/*
* sn_fixup_ionodes() - This routine initializes the HUB data structure for
@@ -172,18 +191,40 @@ sn_pci_window_fixup(struct pci_dev *dev, unsigned int count,
}
/*
* sn_more_slot_fixup() - We are not running with an ACPI capable PROM,
* sn_io_slot_fixup() - We are not running with an ACPI capable PROM,
* and need to convert the pci_dev->resource
* 'start' and 'end' addresses to mapped addresses,
* and setup the pci_controller->window array entries.
*/
void
sn_more_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
sn_io_slot_fixup(struct pci_dev *dev)
{
unsigned int count = 0;
int idx;
s64 pci_addrs[PCI_ROM_RESOURCE + 1];
unsigned long addr, end, size, start;
struct pcidev_info *pcidev_info;
struct sn_irq_info *sn_irq_info;
int status;
pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
if (!pcidev_info)
panic("%s: Unable to alloc memory for pcidev_info", __FUNCTION__);
sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
if (!sn_irq_info)
panic("%s: Unable to alloc memory for sn_irq_info", __FUNCTION__);
/* Call to retrieve pci device information needed by kernel. */
status = sal_get_pcidev_info((u64) pci_domain_nr(dev),
(u64) dev->bus->number,
dev->devfn,
(u64) __pa(pcidev_info),
(u64) __pa(sn_irq_info));
if (status)
BUG(); /* Cannot get platform pci device information */
/* Copy over PIO Mapped Addresses */
for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) {
@@ -219,8 +260,12 @@ sn_more_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
*/
if (count > 0)
sn_pci_window_fixup(dev, count, pci_addrs);
sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info);
}
EXPORT_SYMBOL(sn_io_slot_fixup);
/*
* sn_pci_controller_fixup() - This routine sets up a bus's resources
* consistent with the Linux PCI abstraction layer.
@@ -272,9 +317,6 @@ sn_bus_fixup(struct pci_bus *bus)
{
struct pci_dev *pci_dev = NULL;
struct pcibus_bussoft *prom_bussoft_ptr;
extern void sn_common_bus_fixup(struct pci_bus *,
struct pcibus_bussoft *);
if (!bus->parent) { /* If root bus */
prom_bussoft_ptr = PCI_CONTROLLER(bus)->platform_data;
@@ -291,7 +333,7 @@ sn_bus_fixup(struct pci_bus *bus)
prom_bussoft_ptr->bs_legacy_mem);
}
list_for_each_entry(pci_dev, &bus->devices, bus_list) {
sn_pci_fixup_slot(pci_dev);
sn_io_slot_fixup(pci_dev);
}
}

5
arch/ia64/sn/kernel/iomv.c
Parādīt failu

@@ -1,4 +1,4 @@
/*
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
@@ -26,9 +26,10 @@
* @port: port to convert
*
* Legacy in/out instructions are converted to ld/st instructions
* on IA64. This routine will convert a port number into a valid
* on IA64. This routine will convert a port number into a valid
* SN i/o address. Used by sn_in*() and sn_out*().
*/
void *sn_io_addr(unsigned long port)
{
if (!IS_RUNNING_ON_SIMULATOR()) {

6
arch/ia64/sn/pci/pcibr/pcibr_provider.c
Parādīt failu

@@ -20,7 +20,8 @@
#include "xtalk/hubdev.h"
int
sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp)
sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp,
char **ssdt)
{
struct ia64_sal_retval ret_stuff;
u64 busnum;
@@ -32,7 +33,8 @@ sal_pcibr_slot_enable(struct pcibus_info *soft, int device, void *resp)
segment = soft->pbi_buscommon.bs_persist_segment;
busnum = soft->pbi_buscommon.bs_persist_busnum;
SAL_CALL_NOLOCK(ret_stuff, (u64) SN_SAL_IOIF_SLOT_ENABLE, segment,
busnum, (u64) device, (u64) resp, 0, 0, 0);
busnum, (u64) device, (u64) resp, (u64)ia64_tpa(ssdt),
0, 0);
return (int)ret_stuff.v0;
}