forked from KolibriOS/kolibrios
devman: scan pci bus. Not yet complete.
git-svn-id: svn://kolibrios.org@1628 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
49cb0f914d
commit
9173200506
@ -1,4 +1,5 @@
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CC = gcc
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CC = gcc
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FASM = e:/fasm/fasm.exe
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FASM = e:/fasm/fasm.exe
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@ -27,7 +28,10 @@ NAME= acpi
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NAME_SRCS= acpi.c \
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NAME_SRCS= acpi.c \
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scan.c \
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scan.c \
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pci_irq.c \
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pci_irq.c \
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pci/pci.c
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pci_root.c \
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pci/pci.c \
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pci/probe.c \
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pci_bind.c
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all: $(NAME).dll
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all: $(NAME).dll
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@ -110,29 +110,12 @@ void print_device_tree(struct acpi_device *device)
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};
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};
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/*
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int acpi_pci_bind_root(struct acpi_device *device)
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{
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device->ops.bind = acpi_pci_bind;
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device->ops.unbind = acpi_pci_unbind;
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return 0;
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}
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*/
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static bool pci_use_crs = false;
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static bool pci_use_crs = false;
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#define IORESOURCE_BUS 0x00001000
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#define IORESOURCE_BUS 0x00001000
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struct acpi_pci_root {
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struct list_head node;
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struct acpi_device * device;
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struct acpi_pci_id id;
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struct pci_bus *bus;
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u16 segment;
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struct resource secondary; /* downstream bus range */
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};
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static LIST_HEAD(acpi_pci_roots);
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static LIST_HEAD(acpi_pci_roots);
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@ -179,6 +162,23 @@ static ACPI_STATUS try_get_root_bridge_busnr(ACPI_HANDLE handle,
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}
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}
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static void acpi_pci_bridge_scan(struct acpi_device *device)
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{
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int status;
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struct acpi_device *child = NULL;
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if (device->flags.bus_address)
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if (device->parent && device->parent->ops.bind) {
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status = device->parent->ops.bind(device);
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if (!status) {
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list_for_each_entry(child, &device->children, node)
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acpi_pci_bridge_scan(child);
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}
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}
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}
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struct pci_root_info
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struct pci_root_info
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{
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{
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struct acpi_device *bridge;
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struct acpi_device *bridge;
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@ -416,7 +416,7 @@ struct pci_bus* pci_acpi_scan_root(struct acpi_pci_root *root)
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bus = pci_create_bus(busnum, &pci_root_ops, sd);
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bus = pci_create_bus(busnum, &pci_root_ops, sd);
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if (bus) {
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if (bus) {
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get_current_resources(device, busnum, domain, bus);
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get_current_resources(device, busnum, domain, bus);
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// bus->subordinate = pci_scan_child_bus(bus);
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bus->subordinate = pci_scan_child_bus(bus);
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}
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}
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}
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}
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@ -528,9 +528,9 @@ static int acpi_pci_root_add(struct acpi_device *device)
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* -----------------------
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* -----------------------
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* Thus binding the ACPI and PCI devices.
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* Thus binding the ACPI and PCI devices.
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*/
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*/
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// result = acpi_pci_bind_root(device);
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result = acpi_pci_bind_root(device);
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// if (result)
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if (result)
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// goto end;
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goto end;
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/*
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/*
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* PCI Routing Table
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* PCI Routing Table
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@ -544,8 +544,8 @@ static int acpi_pci_root_add(struct acpi_device *device)
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/*
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/*
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* Scan and bind all _ADR-Based Devices
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* Scan and bind all _ADR-Based Devices
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*/
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*/
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// list_for_each_entry(child, &device->children, node)
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list_for_each_entry(child, &device->children, node)
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// acpi_pci_bridge_scan(child);
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acpi_pci_bridge_scan(child);
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return 0;
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return 0;
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@ -761,71 +761,6 @@ err:
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};
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};
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#if 0
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scan_devices();
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{
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bool retval = false;
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u32_t bus, last_bus;
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if( (last_bus = PciApi(1))==-1)
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return retval;
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dbgprintf("last bus %x\n", last_bus);
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for(bus=0; bus <= last_bus; bus++)
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{
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u32_t dev;
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for(dev = 0; dev < 32; dev++)
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{
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u32_t fn;
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for(fn = 0; fn < 8; fn++)
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{
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u32_t id;
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u32_t irq_bios, irq_acpi;
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u32_t irq_pin;
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u16_t pcicmd;
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u32_t tmp;
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u32_t devfn = (dev<<3 )|fn;
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id = PciRead32(bus,devfn, PCI_VENDOR_ID);
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/* some broken boards return 0 or ~0 if a slot is empty: */
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if (id == 0xffffffff || id == 0x00000000 ||
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id == 0x0000ffff || id == 0xffff0000)
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continue;
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pcicmd = PciRead16(bus,devfn, PCI_COMMAND);
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if (! pcicmd & PCI_COMMAND_IO)
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continue;
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tmp = PciRead32(bus,devfn, 0x3C);
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irq_bios = tmp & 0xFF;
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irq_pin = (tmp >> 8) & 0xFF;
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int slot = (fn >> 3) & 0x1f;
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irq_acpi = irqtable[ dev * PCI_MAX_PINS +(irq_pin-1) ];
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if( irq_acpi < 0)
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dbgprintf("PCI: no ACPI IRQ routing for "
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"device %d.%d.%d INT%c\n",bus,dev,fn,'A'+irq_pin-1);
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dbgprintf("pci device %x_%x bus %d dev %d fn %d,"
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"IRQ PIN %d BIOS IRQ %d ACPI IRQ %d\n",
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id & 0xFFFF, id>>16, bus, dev, fn, irq_pin, irq_bios, irq_acpi);
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};
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}
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};
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};
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#endif
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#if 0
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#if 0
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ACPI_STATUS
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ACPI_STATUS
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@ -1,4 +1,37 @@
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struct acpi_device;
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/*
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* ACPI Driver
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* -----------
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*/
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typedef int (*acpi_op_add) (struct acpi_device * device);
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typedef int (*acpi_op_remove) (struct acpi_device * device, int type);
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typedef int (*acpi_op_start) (struct acpi_device * device);
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//typedef int (*acpi_op_suspend) (struct acpi_device * device,
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// pm_message_t state);
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typedef int (*acpi_op_resume) (struct acpi_device * device);
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typedef int (*acpi_op_bind) (struct acpi_device * device);
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typedef int (*acpi_op_unbind) (struct acpi_device * device);
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typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event);
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struct acpi_bus_ops {
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u32 acpi_op_add:1;
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u32 acpi_op_start:1;
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};
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struct acpi_device_ops {
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acpi_op_add add;
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acpi_op_remove remove;
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acpi_op_start start;
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// acpi_op_suspend suspend;
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acpi_op_resume resume;
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acpi_op_bind bind;
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acpi_op_unbind unbind;
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acpi_op_notify notify;
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};
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struct resource_list {
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struct resource_list {
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struct resource_list *next;
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struct resource_list *next;
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@ -36,12 +69,6 @@ enum acpi_bus_device_type {
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#define ACPI_SMBUS_IBM_HID "SMBUSIBM"
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#define ACPI_SMBUS_IBM_HID "SMBUSIBM"
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struct acpi_bus_ops
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{
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u32_t acpi_op_add:1;
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u32_t acpi_op_start:1;
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};
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#define ACPI_ID_LEN 16 /* only 9 bytes needed here, 16 bytes are used */
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#define ACPI_ID_LEN 16 /* only 9 bytes needed here, 16 bytes are used */
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/* to workaround crosscompile issues */
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/* to workaround crosscompile issues */
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@ -106,7 +133,7 @@ struct acpi_device
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// struct acpi_device_wakeup wakeup;
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// struct acpi_device_wakeup wakeup;
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// struct acpi_device_perf performance;
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// struct acpi_device_perf performance;
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// struct acpi_device_dir dir;
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// struct acpi_device_dir dir;
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// struct acpi_device_ops ops;
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struct acpi_device_ops ops;
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// struct acpi_driver *driver;
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// struct acpi_driver *driver;
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void *driver_data;
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void *driver_data;
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// struct device dev;
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// struct device dev;
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@ -115,6 +142,16 @@ struct acpi_device
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};
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};
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struct acpi_pci_root {
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struct list_head node;
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struct acpi_device * device;
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struct acpi_pci_id id;
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struct pci_bus *bus;
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u16 segment;
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struct resource secondary; /* downstream bus range */
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};
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#define acpi_device_bid(d) ((d)->pnp.bus_id)
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#define acpi_device_bid(d) ((d)->pnp.bus_id)
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#define acpi_device_adr(d) ((d)->pnp.bus_address)
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#define acpi_device_adr(d) ((d)->pnp.bus_address)
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@ -126,3 +163,7 @@ int acpi_match_device_ids(struct acpi_device *device,
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const struct acpi_device_ids *ids);
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const struct acpi_device_ids *ids);
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int acpi_pci_irq_add_prt(ACPI_HANDLE handle, struct pci_bus *bus);
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int acpi_pci_irq_add_prt(ACPI_HANDLE handle, struct pci_bus *bus);
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int acpi_pci_bind_root(struct acpi_device *device);
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struct pci_dev *acpi_get_pci_dev(ACPI_HANDLE handle);
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int acpi_is_root_bridge(ACPI_HANDLE handle);
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@ -7,7 +7,8 @@
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LIST_HEAD(pci_root_buses);
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LIST_HEAD(pci_root_buses);
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#define IO_SPACE_LIMIT 0xffff
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#define IO_SPACE_LIMIT 0xffff
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#define PCIBIOS_SUCCESSFUL 0x00
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struct resource ioport_resource = {
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struct resource ioport_resource = {
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.name = "PCI IO",
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.name = "PCI IO",
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@ -23,13 +24,90 @@ struct resource iomem_resource = {
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.flags = IORESOURCE_MEM,
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.flags = IORESOURCE_MEM,
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};
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};
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#define PCI_FIND_CAP_TTL 48
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static inline int pci_domain_nr(struct pci_bus *bus)
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static int __pci_find_next_cap_ttl(struct pci_bus *bus, unsigned int devfn,
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u8 pos, int cap, int *ttl)
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{
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{
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struct pci_sysdata *sd = bus->sysdata;
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u8 id;
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return sd->domain;
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while ((*ttl)--) {
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pci_bus_read_config_byte(bus, devfn, pos, &pos);
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if (pos < 0x40)
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break;
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pos &= ~3;
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pci_bus_read_config_byte(bus, devfn, pos + PCI_CAP_LIST_ID,
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&id);
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if (id == 0xff)
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break;
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if (id == cap)
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return pos;
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pos += PCI_CAP_LIST_NEXT;
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}
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return 0;
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}
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}
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static int __pci_find_next_cap(struct pci_bus *bus, unsigned int devfn,
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u8 pos, int cap)
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{
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int ttl = PCI_FIND_CAP_TTL;
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return __pci_find_next_cap_ttl(bus, devfn, pos, cap, &ttl);
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}
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static int __pci_bus_find_cap_start(struct pci_bus *bus,
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unsigned int devfn, u8 hdr_type)
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{
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u16 status;
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pci_bus_read_config_word(bus, devfn, PCI_STATUS, &status);
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if (!(status & PCI_STATUS_CAP_LIST))
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return 0;
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switch (hdr_type) {
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case PCI_HEADER_TYPE_NORMAL:
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case PCI_HEADER_TYPE_BRIDGE:
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return PCI_CAPABILITY_LIST;
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case PCI_HEADER_TYPE_CARDBUS:
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return PCI_CB_CAPABILITY_LIST;
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default:
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return 0;
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}
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return 0;
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}
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/**
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* pci_find_capability - query for devices' capabilities
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* @dev: PCI device to query
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* @cap: capability code
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*
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* Tell if a device supports a given PCI capability.
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* Returns the address of the requested capability structure within the
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* device's PCI configuration space or 0 in case the device does not
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* support it. Possible values for @cap:
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*
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* %PCI_CAP_ID_PM Power Management
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* %PCI_CAP_ID_AGP Accelerated Graphics Port
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* %PCI_CAP_ID_VPD Vital Product Data
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* %PCI_CAP_ID_SLOTID Slot Identification
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* %PCI_CAP_ID_MSI Message Signalled Interrupts
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* %PCI_CAP_ID_CHSWP CompactPCI HotSwap
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* %PCI_CAP_ID_PCIX PCI-X
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* %PCI_CAP_ID_EXP PCI Express
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*/
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int pci_find_capability(struct pci_dev *dev, int cap)
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{
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int pos;
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pos = __pci_bus_find_cap_start(dev->bus, dev->devfn, dev->hdr_type);
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if (pos)
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pos = __pci_find_next_cap(dev->bus, dev->devfn, pos, cap);
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return pos;
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}
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static struct pci_bus * pci_alloc_bus(void)
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static struct pci_bus * pci_alloc_bus(void)
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{
|
{
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struct pci_bus *b;
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struct pci_bus *b;
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@ -149,3 +227,92 @@ pci_find_next_bus(const struct pci_bus *from)
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}
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}
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/**
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* pci_get_slot - locate PCI device for a given PCI slot
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* @bus: PCI bus on which desired PCI device resides
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* @devfn: encodes number of PCI slot in which the desired PCI
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* device resides and the logical device number within that slot
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* in case of multi-function devices.
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*
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* Given a PCI bus and slot/function number, the desired PCI device
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* is located in the list of PCI devices.
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||||||
|
* If the device is found, its reference count is increased and this
|
||||||
|
* function returns a pointer to its data structure. The caller must
|
||||||
|
* decrement the reference count by calling pci_dev_put().
|
||||||
|
* If no device is found, %NULL is returned.
|
||||||
|
*/
|
||||||
|
struct pci_dev * pci_get_slot(struct pci_bus *bus, unsigned int devfn)
|
||||||
|
{
|
||||||
|
struct list_head *tmp;
|
||||||
|
struct pci_dev *dev;
|
||||||
|
|
||||||
|
// WARN_ON(in_interrupt());
|
||||||
|
// down_read(&pci_bus_sem);
|
||||||
|
|
||||||
|
list_for_each(tmp, &bus->devices) {
|
||||||
|
dev = pci_dev_b(tmp);
|
||||||
|
if (dev->devfn == devfn)
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
dev = NULL;
|
||||||
|
out:
|
||||||
|
// pci_dev_get(dev);
|
||||||
|
// up_read(&pci_bus_sem);
|
||||||
|
return dev;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* pci_find_ext_capability - Find an extended capability
|
||||||
|
* @dev: PCI device to query
|
||||||
|
* @cap: capability code
|
||||||
|
*
|
||||||
|
* Returns the address of the requested extended capability structure
|
||||||
|
* within the device's PCI configuration space or 0 if the device does
|
||||||
|
* not support it. Possible values for @cap:
|
||||||
|
*
|
||||||
|
* %PCI_EXT_CAP_ID_ERR Advanced Error Reporting
|
||||||
|
* %PCI_EXT_CAP_ID_VC Virtual Channel
|
||||||
|
* %PCI_EXT_CAP_ID_DSN Device Serial Number
|
||||||
|
* %PCI_EXT_CAP_ID_PWR Power Budgeting
|
||||||
|
*/
|
||||||
|
int pci_find_ext_capability(struct pci_dev *dev, int cap)
|
||||||
|
{
|
||||||
|
u32 header;
|
||||||
|
int ttl;
|
||||||
|
int pos = PCI_CFG_SPACE_SIZE;
|
||||||
|
|
||||||
|
/* minimum 8 bytes per capability */
|
||||||
|
ttl = (PCI_CFG_SPACE_EXP_SIZE - PCI_CFG_SPACE_SIZE) / 8;
|
||||||
|
|
||||||
|
if (dev->cfg_size <= PCI_CFG_SPACE_SIZE)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
if (pci_read_config_dword(dev, pos, &header) != PCIBIOS_SUCCESSFUL)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* If we have no capabilities, this is indicated by cap ID,
|
||||||
|
* cap version and next pointer all being 0.
|
||||||
|
*/
|
||||||
|
if (header == 0)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
while (ttl-- > 0) {
|
||||||
|
if (PCI_EXT_CAP_ID(header) == cap)
|
||||||
|
return pos;
|
||||||
|
|
||||||
|
pos = PCI_EXT_CAP_NEXT(header);
|
||||||
|
if (pos < PCI_CFG_SPACE_SIZE)
|
||||||
|
break;
|
||||||
|
|
||||||
|
if (pci_read_config_dword(dev, pos, &header) != PCIBIOS_SUCCESSFUL)
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|||||||
419
drivers/devman/pci/probe.c
Normal file
419
drivers/devman/pci/probe.c
Normal file
@ -0,0 +1,419 @@
|
|||||||
|
|
||||||
|
#include <ddk.h>
|
||||||
|
#include <linux/errno.h>
|
||||||
|
#include <mutex.h>
|
||||||
|
#include <pci.h>
|
||||||
|
#include <syscall.h>
|
||||||
|
|
||||||
|
|
||||||
|
#define LEGACY_IO_RESOURCE (IORESOURCE_IO | IORESOURCE_PCI_FIXED)
|
||||||
|
|
||||||
|
/**
|
||||||
|
* pci_setup_device - fill in class and map information of a device
|
||||||
|
* @dev: the device structure to fill
|
||||||
|
*
|
||||||
|
* Initialize the device structure with information about the device's
|
||||||
|
* vendor,class,memory and IO-space addresses,IRQ lines etc.
|
||||||
|
* Called at initialisation of the PCI subsystem and by CardBus services.
|
||||||
|
* Returns 0 on success and negative if unknown type of device (not normal,
|
||||||
|
* bridge or CardBus).
|
||||||
|
*/
|
||||||
|
int pci_setup_device(struct pci_dev *dev)
|
||||||
|
{
|
||||||
|
u32 class;
|
||||||
|
u8 hdr_type;
|
||||||
|
struct pci_slot *slot;
|
||||||
|
int pos = 0;
|
||||||
|
|
||||||
|
if (pci_read_config_byte(dev, PCI_HEADER_TYPE, &hdr_type))
|
||||||
|
return -EIO;
|
||||||
|
|
||||||
|
dev->sysdata = dev->bus->sysdata;
|
||||||
|
// dev->dev.parent = dev->bus->bridge;
|
||||||
|
// dev->dev.bus = &pci_bus_type;
|
||||||
|
dev->hdr_type = hdr_type & 0x7f;
|
||||||
|
dev->multifunction = !!(hdr_type & 0x80);
|
||||||
|
dev->error_state = pci_channel_io_normal;
|
||||||
|
set_pcie_port_type(dev);
|
||||||
|
|
||||||
|
list_for_each_entry(slot, &dev->bus->slots, list)
|
||||||
|
if (PCI_SLOT(dev->devfn) == slot->number)
|
||||||
|
dev->slot = slot;
|
||||||
|
|
||||||
|
/* Assume 32-bit PCI; let 64-bit PCI cards (which are far rarer)
|
||||||
|
set this higher, assuming the system even supports it. */
|
||||||
|
dev->dma_mask = 0xffffffff;
|
||||||
|
|
||||||
|
// dev_set_name(&dev->dev, "%04x:%02x:%02x.%d", pci_domain_nr(dev->bus),
|
||||||
|
// dev->bus->number, PCI_SLOT(dev->devfn),
|
||||||
|
// PCI_FUNC(dev->devfn));
|
||||||
|
|
||||||
|
pci_read_config_dword(dev, PCI_CLASS_REVISION, &class);
|
||||||
|
dev->revision = class & 0xff;
|
||||||
|
class >>= 8; /* upper 3 bytes */
|
||||||
|
dev->class = class;
|
||||||
|
class >>= 8;
|
||||||
|
|
||||||
|
dbgprintf("found [%04x:%04x] class %06x header type %02x\n",
|
||||||
|
dev->vendor, dev->device, class, dev->hdr_type);
|
||||||
|
|
||||||
|
/* need to have dev->class ready */
|
||||||
|
dev->cfg_size = pci_cfg_space_size(dev);
|
||||||
|
|
||||||
|
/* "Unknown power state" */
|
||||||
|
dev->current_state = PCI_UNKNOWN;
|
||||||
|
|
||||||
|
/* Early fixups, before probing the BARs */
|
||||||
|
// pci_fixup_device(pci_fixup_early, dev);
|
||||||
|
/* device class may be changed after fixup */
|
||||||
|
class = dev->class >> 8;
|
||||||
|
|
||||||
|
switch (dev->hdr_type) { /* header type */
|
||||||
|
case PCI_HEADER_TYPE_NORMAL: /* standard header */
|
||||||
|
if (class == PCI_CLASS_BRIDGE_PCI)
|
||||||
|
goto bad;
|
||||||
|
pci_read_irq(dev);
|
||||||
|
pci_read_bases(dev, 6, PCI_ROM_ADDRESS);
|
||||||
|
pci_read_config_word(dev, PCI_SUBSYSTEM_VENDOR_ID, &dev->subsystem_vendor);
|
||||||
|
pci_read_config_word(dev, PCI_SUBSYSTEM_ID, &dev->subsystem_device);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Do the ugly legacy mode stuff here rather than broken chip
|
||||||
|
* quirk code. Legacy mode ATA controllers have fixed
|
||||||
|
* addresses. These are not always echoed in BAR0-3, and
|
||||||
|
* BAR0-3 in a few cases contain junk!
|
||||||
|
*/
|
||||||
|
if (class == PCI_CLASS_STORAGE_IDE) {
|
||||||
|
u8 progif;
|
||||||
|
pci_read_config_byte(dev, PCI_CLASS_PROG, &progif);
|
||||||
|
if ((progif & 1) == 0) {
|
||||||
|
dev->resource[0].start = 0x1F0;
|
||||||
|
dev->resource[0].end = 0x1F7;
|
||||||
|
dev->resource[0].flags = LEGACY_IO_RESOURCE;
|
||||||
|
dev->resource[1].start = 0x3F6;
|
||||||
|
dev->resource[1].end = 0x3F6;
|
||||||
|
dev->resource[1].flags = LEGACY_IO_RESOURCE;
|
||||||
|
}
|
||||||
|
if ((progif & 4) == 0) {
|
||||||
|
dev->resource[2].start = 0x170;
|
||||||
|
dev->resource[2].end = 0x177;
|
||||||
|
dev->resource[2].flags = LEGACY_IO_RESOURCE;
|
||||||
|
dev->resource[3].start = 0x376;
|
||||||
|
dev->resource[3].end = 0x376;
|
||||||
|
dev->resource[3].flags = LEGACY_IO_RESOURCE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case PCI_HEADER_TYPE_BRIDGE: /* bridge header */
|
||||||
|
if (class != PCI_CLASS_BRIDGE_PCI)
|
||||||
|
goto bad;
|
||||||
|
/* The PCI-to-PCI bridge spec requires that subtractive
|
||||||
|
decoding (i.e. transparent) bridge must have programming
|
||||||
|
interface code of 0x01. */
|
||||||
|
pci_read_irq(dev);
|
||||||
|
dev->transparent = ((dev->class & 0xff) == 1);
|
||||||
|
pci_read_bases(dev, 2, PCI_ROM_ADDRESS1);
|
||||||
|
set_pcie_hotplug_bridge(dev);
|
||||||
|
pos = pci_find_capability(dev, PCI_CAP_ID_SSVID);
|
||||||
|
if (pos) {
|
||||||
|
pci_read_config_word(dev, pos + PCI_SSVID_VENDOR_ID, &dev->subsystem_vendor);
|
||||||
|
pci_read_config_word(dev, pos + PCI_SSVID_DEVICE_ID, &dev->subsystem_device);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case PCI_HEADER_TYPE_CARDBUS: /* CardBus bridge header */
|
||||||
|
if (class != PCI_CLASS_BRIDGE_CARDBUS)
|
||||||
|
goto bad;
|
||||||
|
pci_read_irq(dev);
|
||||||
|
pci_read_bases(dev, 1, 0);
|
||||||
|
pci_read_config_word(dev, PCI_CB_SUBSYSTEM_VENDOR_ID, &dev->subsystem_vendor);
|
||||||
|
pci_read_config_word(dev, PCI_CB_SUBSYSTEM_ID, &dev->subsystem_device);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default: /* unknown header */
|
||||||
|
dbgprintf("unknown header type %02x, "
|
||||||
|
"ignoring device\n", dev->hdr_type);
|
||||||
|
return -EIO;
|
||||||
|
|
||||||
|
bad:
|
||||||
|
dbgprintf("ignoring class %02x (doesn't match header "
|
||||||
|
"type %02x)\n", class, dev->hdr_type);
|
||||||
|
dev->class = PCI_CLASS_NOT_DEFINED;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* We found a fine healthy device, go go go... */
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
struct pci_dev *alloc_pci_dev(void)
|
||||||
|
{
|
||||||
|
struct pci_dev *dev;
|
||||||
|
|
||||||
|
dev = kzalloc(sizeof(struct pci_dev), GFP_KERNEL);
|
||||||
|
if (!dev)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
INIT_LIST_HEAD(&dev->bus_list);
|
||||||
|
|
||||||
|
return dev;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Read the config data for a PCI device, sanity-check it
|
||||||
|
* and fill in the dev structure...
|
||||||
|
*/
|
||||||
|
static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
|
||||||
|
{
|
||||||
|
struct pci_dev *dev;
|
||||||
|
u32 l;
|
||||||
|
int timeout = 10;
|
||||||
|
|
||||||
|
if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, &l))
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
/* some broken boards return 0 or ~0 if a slot is empty: */
|
||||||
|
if (l == 0xffffffff || l == 0x00000000 ||
|
||||||
|
l == 0x0000ffff || l == 0xffff0000)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
/* Configuration request Retry Status */
|
||||||
|
while (l == 0xffff0001) {
|
||||||
|
delay(timeout/10);
|
||||||
|
timeout *= 2;
|
||||||
|
if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, &l))
|
||||||
|
return NULL;
|
||||||
|
/* Card hasn't responded in 60 seconds? Must be stuck. */
|
||||||
|
if (delay > 60 * 1000) {
|
||||||
|
printk(KERN_WARNING "pci %04x:%02x:%02x.%d: not "
|
||||||
|
"responding\n", pci_domain_nr(bus),
|
||||||
|
bus->number, PCI_SLOT(devfn),
|
||||||
|
PCI_FUNC(devfn));
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
dev = alloc_pci_dev();
|
||||||
|
if (!dev)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
dev->bus = bus;
|
||||||
|
dev->devfn = devfn;
|
||||||
|
dev->vendor = l & 0xffff;
|
||||||
|
dev->device = (l >> 16) & 0xffff;
|
||||||
|
|
||||||
|
if (pci_setup_device(dev)) {
|
||||||
|
kfree(dev);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
return dev;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn)
|
||||||
|
{
|
||||||
|
struct pci_dev *dev;
|
||||||
|
|
||||||
|
dev = pci_get_slot(bus, devfn);
|
||||||
|
if (dev) {
|
||||||
|
// pci_dev_put(dev);
|
||||||
|
return dev;
|
||||||
|
}
|
||||||
|
|
||||||
|
dev = pci_scan_device(bus, devfn);
|
||||||
|
if (!dev)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
pci_device_add(dev, bus);
|
||||||
|
|
||||||
|
return dev;
|
||||||
|
}
|
||||||
|
|
||||||
|
static unsigned next_ari_fn(struct pci_dev *dev, unsigned fn)
|
||||||
|
{
|
||||||
|
u16 cap;
|
||||||
|
unsigned pos, next_fn;
|
||||||
|
|
||||||
|
if (!dev)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ARI);
|
||||||
|
if (!pos)
|
||||||
|
return 0;
|
||||||
|
pci_read_config_word(dev, pos + 4, &cap);
|
||||||
|
next_fn = cap >> 8;
|
||||||
|
if (next_fn <= fn)
|
||||||
|
return 0;
|
||||||
|
return next_fn;
|
||||||
|
}
|
||||||
|
|
||||||
|
static unsigned next_trad_fn(struct pci_dev *dev, unsigned fn)
|
||||||
|
{
|
||||||
|
return (fn + 1) % 8;
|
||||||
|
}
|
||||||
|
|
||||||
|
static unsigned no_next_fn(struct pci_dev *dev, unsigned fn)
|
||||||
|
{
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int only_one_child(struct pci_bus *bus)
|
||||||
|
{
|
||||||
|
struct pci_dev *parent = bus->self;
|
||||||
|
if (!parent || !pci_is_pcie(parent))
|
||||||
|
return 0;
|
||||||
|
if (parent->pcie_type == PCI_EXP_TYPE_ROOT_PORT ||
|
||||||
|
parent->pcie_type == PCI_EXP_TYPE_DOWNSTREAM)
|
||||||
|
return 1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* pci_scan_slot - scan a PCI slot on a bus for devices.
|
||||||
|
* @bus: PCI bus to scan
|
||||||
|
* @devfn: slot number to scan (must have zero function.)
|
||||||
|
*
|
||||||
|
* Scan a PCI slot on the specified PCI bus for devices, adding
|
||||||
|
* discovered devices to the @bus->devices list. New devices
|
||||||
|
* will not have is_added set.
|
||||||
|
*
|
||||||
|
* Returns the number of new devices found.
|
||||||
|
*/
|
||||||
|
int pci_scan_slot(struct pci_bus *bus, int devfn)
|
||||||
|
{
|
||||||
|
unsigned fn, nr = 0;
|
||||||
|
struct pci_dev *dev;
|
||||||
|
unsigned (*next_fn)(struct pci_dev *, unsigned) = no_next_fn;
|
||||||
|
|
||||||
|
if (only_one_child(bus) && (devfn > 0))
|
||||||
|
return 0; /* Already scanned the entire slot */
|
||||||
|
|
||||||
|
dev = pci_scan_single_device(bus, devfn);
|
||||||
|
if (!dev)
|
||||||
|
return 0;
|
||||||
|
if (!dev->is_added)
|
||||||
|
nr++;
|
||||||
|
|
||||||
|
if (pci_ari_enabled(bus))
|
||||||
|
next_fn = next_ari_fn;
|
||||||
|
else if (dev->multifunction)
|
||||||
|
next_fn = next_trad_fn;
|
||||||
|
|
||||||
|
for (fn = next_fn(dev, 0); fn > 0; fn = next_fn(dev, fn)) {
|
||||||
|
dev = pci_scan_single_device(bus, devfn + fn);
|
||||||
|
if (dev) {
|
||||||
|
if (!dev->is_added)
|
||||||
|
nr++;
|
||||||
|
dev->multifunction = 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* only one slot has pcie device */
|
||||||
|
if (bus->self && nr)
|
||||||
|
pcie_aspm_init_link_state(bus->self);
|
||||||
|
|
||||||
|
return nr;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
unsigned int pci_scan_child_bus(struct pci_bus *bus)
|
||||||
|
{
|
||||||
|
unsigned int devfn, pass, max = bus->secondary;
|
||||||
|
struct pci_dev *dev;
|
||||||
|
|
||||||
|
dbgprintf("scanning bus\n");
|
||||||
|
|
||||||
|
/* Go find them, Rover! */
|
||||||
|
for (devfn = 0; devfn < 0x100; devfn += 8)
|
||||||
|
pci_scan_slot(bus, devfn);
|
||||||
|
|
||||||
|
/* Reserve buses for SR-IOV capability. */
|
||||||
|
max += pci_iov_bus_range(bus);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* After performing arch-dependent fixup of the bus, look behind
|
||||||
|
* all PCI-to-PCI bridges on this bus.
|
||||||
|
*/
|
||||||
|
if (!bus->is_added) {
|
||||||
|
dbgprintf("fixups for bus\n");
|
||||||
|
pcibios_fixup_bus(bus);
|
||||||
|
if (pci_is_root_bus(bus))
|
||||||
|
bus->is_added = 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (pass=0; pass < 2; pass++)
|
||||||
|
list_for_each_entry(dev, &bus->devices, bus_list) {
|
||||||
|
if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||
|
||||||
|
dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)
|
||||||
|
max = pci_scan_bridge(bus, dev, max, pass);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* We've scanned the bus and so we know all about what's on
|
||||||
|
* the other side of any bridges that may be on this bus plus
|
||||||
|
* any devices.
|
||||||
|
*
|
||||||
|
* Return how far we've got finding sub-buses.
|
||||||
|
*/
|
||||||
|
dbgprintf("bus scan returning with max=%02x\n", max);
|
||||||
|
return max;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* pci_cfg_space_size - get the configuration space size of the PCI device.
|
||||||
|
* @dev: PCI device
|
||||||
|
*
|
||||||
|
* Regular PCI devices have 256 bytes, but PCI-X 2 and PCI Express devices
|
||||||
|
* have 4096 bytes. Even if the device is capable, that doesn't mean we can
|
||||||
|
* access it. Maybe we don't have a way to generate extended config space
|
||||||
|
* accesses, or the device is behind a reverse Express bridge. So we try
|
||||||
|
* reading the dword at 0x100 which must either be 0 or a valid extended
|
||||||
|
* capability header.
|
||||||
|
*/
|
||||||
|
int pci_cfg_space_size_ext(struct pci_dev *dev)
|
||||||
|
{
|
||||||
|
u32 status;
|
||||||
|
int pos = PCI_CFG_SPACE_SIZE;
|
||||||
|
|
||||||
|
if (pci_read_config_dword(dev, pos, &status) != PCIBIOS_SUCCESSFUL)
|
||||||
|
goto fail;
|
||||||
|
if (status == 0xffffffff)
|
||||||
|
goto fail;
|
||||||
|
|
||||||
|
return PCI_CFG_SPACE_EXP_SIZE;
|
||||||
|
|
||||||
|
fail:
|
||||||
|
return PCI_CFG_SPACE_SIZE;
|
||||||
|
}
|
||||||
|
|
||||||
|
int pci_cfg_space_size(struct pci_dev *dev)
|
||||||
|
{
|
||||||
|
int pos;
|
||||||
|
u32 status;
|
||||||
|
u16 class;
|
||||||
|
|
||||||
|
class = dev->class >> 8;
|
||||||
|
if (class == PCI_CLASS_BRIDGE_HOST)
|
||||||
|
return pci_cfg_space_size_ext(dev);
|
||||||
|
|
||||||
|
pos = pci_pcie_cap(dev);
|
||||||
|
if (!pos) {
|
||||||
|
pos = pci_find_capability(dev, PCI_CAP_ID_PCIX);
|
||||||
|
if (!pos)
|
||||||
|
goto fail;
|
||||||
|
|
||||||
|
pci_read_config_dword(dev, pos + PCI_X_STATUS, &status);
|
||||||
|
if (!(status & (PCI_X_STATUS_266MHZ | PCI_X_STATUS_533MHZ)))
|
||||||
|
goto fail;
|
||||||
|
}
|
||||||
|
|
||||||
|
return pci_cfg_space_size_ext(dev);
|
||||||
|
|
||||||
|
fail:
|
||||||
|
return PCI_CFG_SPACE_SIZE;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
98
drivers/devman/pci_bind.c
Normal file
98
drivers/devman/pci_bind.c
Normal file
@ -0,0 +1,98 @@
|
|||||||
|
|
||||||
|
#include <ddk.h>
|
||||||
|
#include <linux/errno.h>
|
||||||
|
#include <mutex.h>
|
||||||
|
#include <pci.h>
|
||||||
|
#include <syscall.h>
|
||||||
|
|
||||||
|
#include "acpi.h"
|
||||||
|
#include "acpi_bus.h"
|
||||||
|
|
||||||
|
|
||||||
|
#define PREFIX "ACPI: "
|
||||||
|
|
||||||
|
|
||||||
|
static int acpi_pci_unbind(struct acpi_device *device)
|
||||||
|
{
|
||||||
|
struct pci_dev *dev;
|
||||||
|
|
||||||
|
dev = acpi_get_pci_dev(device->handle);
|
||||||
|
if (!dev)
|
||||||
|
goto out;
|
||||||
|
|
||||||
|
// device_set_run_wake(&dev->dev, false);
|
||||||
|
// pci_acpi_remove_pm_notifier(device);
|
||||||
|
|
||||||
|
if (!dev->subordinate)
|
||||||
|
goto out;
|
||||||
|
|
||||||
|
// acpi_pci_irq_del_prt(dev->subordinate);
|
||||||
|
|
||||||
|
device->ops.bind = NULL;
|
||||||
|
device->ops.unbind = NULL;
|
||||||
|
|
||||||
|
out:
|
||||||
|
// pci_dev_put(dev);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int acpi_pci_bind(struct acpi_device *device)
|
||||||
|
{
|
||||||
|
ACPI_STATUS status;
|
||||||
|
ACPI_HANDLE handle;
|
||||||
|
struct pci_bus *bus;
|
||||||
|
struct pci_dev *dev;
|
||||||
|
|
||||||
|
dev = acpi_get_pci_dev(device->handle);
|
||||||
|
if (!dev)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
// pci_acpi_add_pm_notifier(device, dev);
|
||||||
|
// if (device->wakeup.flags.run_wake)
|
||||||
|
// device_set_run_wake(&dev->dev, true);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Install the 'bind' function to facilitate callbacks for
|
||||||
|
* children of the P2P bridge.
|
||||||
|
*/
|
||||||
|
if (dev->subordinate) {
|
||||||
|
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
|
||||||
|
"Device %04x:%02x:%02x.%d is a PCI bridge\n",
|
||||||
|
pci_domain_nr(dev->bus), dev->bus->number,
|
||||||
|
PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)));
|
||||||
|
device->ops.bind = acpi_pci_bind;
|
||||||
|
device->ops.unbind = acpi_pci_unbind;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Evaluate and parse _PRT, if exists. This code allows parsing of
|
||||||
|
* _PRT objects within the scope of non-bridge devices. Note that
|
||||||
|
* _PRTs within the scope of a PCI bridge assume the bridge's
|
||||||
|
* subordinate bus number.
|
||||||
|
*
|
||||||
|
* TBD: Can _PRTs exist within the scope of non-bridge PCI devices?
|
||||||
|
*/
|
||||||
|
status = AcpiGetHandle(device->handle, METHOD_NAME__PRT, &handle);
|
||||||
|
if (ACPI_FAILURE(status))
|
||||||
|
goto out;
|
||||||
|
|
||||||
|
if (dev->subordinate)
|
||||||
|
bus = dev->subordinate;
|
||||||
|
else
|
||||||
|
bus = dev->bus;
|
||||||
|
|
||||||
|
acpi_pci_irq_add_prt(device->handle, bus);
|
||||||
|
|
||||||
|
out:
|
||||||
|
// pci_dev_put(dev);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int acpi_pci_bind_root(struct acpi_device *device)
|
||||||
|
{
|
||||||
|
device->ops.bind = acpi_pci_bind;
|
||||||
|
device->ops.unbind = acpi_pci_unbind;
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
149
drivers/devman/pci_root.c
Normal file
149
drivers/devman/pci_root.c
Normal file
@ -0,0 +1,149 @@
|
|||||||
|
|
||||||
|
#include <ddk.h>
|
||||||
|
#include <linux/errno.h>
|
||||||
|
#include <mutex.h>
|
||||||
|
#include <pci.h>
|
||||||
|
#include <syscall.h>
|
||||||
|
|
||||||
|
#include "acpi.h"
|
||||||
|
#include "acpi_bus.h"
|
||||||
|
|
||||||
|
|
||||||
|
#define PREFIX "ACPI: "
|
||||||
|
|
||||||
|
|
||||||
|
struct acpi_handle_node {
|
||||||
|
struct list_head node;
|
||||||
|
ACPI_HANDLE handle;
|
||||||
|
};
|
||||||
|
|
||||||
|
static const struct acpi_device_ids root_device_ids[] = {
|
||||||
|
{"PNP0A03", 0},
|
||||||
|
{"", 0},
|
||||||
|
};
|
||||||
|
|
||||||
|
static LIST_HEAD(acpi_pci_roots);
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* acpi_is_root_bridge - determine whether an ACPI CA node is a PCI root bridge
|
||||||
|
* @handle - the ACPI CA node in question.
|
||||||
|
*
|
||||||
|
* Note: we could make this API take a struct acpi_device * instead, but
|
||||||
|
* for now, it's more convenient to operate on an acpi_handle.
|
||||||
|
*/
|
||||||
|
int acpi_is_root_bridge(ACPI_HANDLE handle)
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
struct acpi_device *device;
|
||||||
|
|
||||||
|
ret = acpi_bus_get_device(handle, &device);
|
||||||
|
if (ret)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
ret = acpi_match_device_ids(device, root_device_ids);
|
||||||
|
if (ret)
|
||||||
|
return 0;
|
||||||
|
else
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
struct acpi_pci_root *acpi_pci_find_root(ACPI_HANDLE handle)
|
||||||
|
{
|
||||||
|
struct acpi_pci_root *root;
|
||||||
|
|
||||||
|
list_for_each_entry(root, &acpi_pci_roots, node) {
|
||||||
|
if (root->device->handle == handle)
|
||||||
|
return root;
|
||||||
|
}
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* acpi_get_pci_dev - convert ACPI CA handle to struct pci_dev
|
||||||
|
* @handle: the handle in question
|
||||||
|
*
|
||||||
|
* Given an ACPI CA handle, the desired PCI device is located in the
|
||||||
|
* list of PCI devices.
|
||||||
|
*
|
||||||
|
* If the device is found, its reference count is increased and this
|
||||||
|
* function returns a pointer to its data structure. The caller must
|
||||||
|
* decrement the reference count by calling pci_dev_put().
|
||||||
|
* If no device is found, %NULL is returned.
|
||||||
|
*/
|
||||||
|
struct pci_dev *acpi_get_pci_dev(ACPI_HANDLE handle)
|
||||||
|
{
|
||||||
|
int dev, fn;
|
||||||
|
unsigned long long adr;
|
||||||
|
ACPI_STATUS status;
|
||||||
|
ACPI_HANDLE phandle;
|
||||||
|
struct pci_bus *pbus;
|
||||||
|
struct pci_dev *pdev = NULL;
|
||||||
|
struct acpi_handle_node *node, *tmp;
|
||||||
|
struct acpi_pci_root *root;
|
||||||
|
LIST_HEAD(device_list);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Walk up the ACPI CA namespace until we reach a PCI root bridge.
|
||||||
|
*/
|
||||||
|
phandle = handle;
|
||||||
|
while (!acpi_is_root_bridge(phandle)) {
|
||||||
|
node = kzalloc(sizeof(struct acpi_handle_node), GFP_KERNEL);
|
||||||
|
if (!node)
|
||||||
|
goto out;
|
||||||
|
|
||||||
|
INIT_LIST_HEAD(&node->node);
|
||||||
|
node->handle = phandle;
|
||||||
|
list_add(&node->node, &device_list);
|
||||||
|
|
||||||
|
status = AcpiGetParent(phandle, &phandle);
|
||||||
|
if (ACPI_FAILURE(status))
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
root = acpi_pci_find_root(phandle);
|
||||||
|
if (!root)
|
||||||
|
goto out;
|
||||||
|
|
||||||
|
pbus = root->bus;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Now, walk back down the PCI device tree until we return to our
|
||||||
|
* original handle. Assumes that everything between the PCI root
|
||||||
|
* bridge and the device we're looking for must be a P2P bridge.
|
||||||
|
*/
|
||||||
|
list_for_each_entry(node, &device_list, node) {
|
||||||
|
ACPI_HANDLE hnd = node->handle;
|
||||||
|
status = acpi_evaluate_integer(hnd, "_ADR", NULL, &adr);
|
||||||
|
if (ACPI_FAILURE(status))
|
||||||
|
goto out;
|
||||||
|
dev = (adr >> 16) & 0xffff;
|
||||||
|
fn = adr & 0xffff;
|
||||||
|
|
||||||
|
pdev = pci_get_slot(pbus, PCI_DEVFN(dev, fn));
|
||||||
|
if (!pdev || hnd == handle)
|
||||||
|
break;
|
||||||
|
|
||||||
|
pbus = pdev->subordinate;
|
||||||
|
// pci_dev_put(pdev);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* This function may be called for a non-PCI device that has a
|
||||||
|
* PCI parent (eg. a disk under a PCI SATA controller). In that
|
||||||
|
* case pdev->subordinate will be NULL for the parent.
|
||||||
|
*/
|
||||||
|
if (!pbus) {
|
||||||
|
dbgprintf("Not a PCI-to-PCI bridge\n");
|
||||||
|
pdev = NULL;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
out:
|
||||||
|
list_for_each_entry_safe(node, tmp, &device_list, node)
|
||||||
|
kfree(node);
|
||||||
|
|
||||||
|
return pdev;
|
||||||
|
}
|
||||||
|
|
||||||
@ -626,10 +626,10 @@ static int acpi_add_single_object(struct acpi_device **child,
|
|||||||
/*
|
/*
|
||||||
* Bind _ADR-Based Devices when hot add
|
* Bind _ADR-Based Devices when hot add
|
||||||
*/
|
*/
|
||||||
// if (device->flags.bus_address) {
|
if (device->flags.bus_address) {
|
||||||
// if (device->parent && device->parent->ops.bind)
|
if (device->parent && device->parent->ops.bind)
|
||||||
// device->parent->ops.bind(device);
|
device->parent->ops.bind(device);
|
||||||
// }
|
}
|
||||||
|
|
||||||
end:
|
end:
|
||||||
if (!result) {
|
if (!result) {
|
||||||
|
|||||||
1557
drivers/devman/scan.cc
Normal file
1557
drivers/devman/scan.cc
Normal file
File diff suppressed because it is too large
Load Diff
@ -1,10 +1,22 @@
|
|||||||
|
|
||||||
#include <types.h>
|
#include <types.h>
|
||||||
#include <list.h>
|
#include <list.h>
|
||||||
|
#include <pci_regs.h>
|
||||||
|
|
||||||
#ifndef __PCI_H__
|
#ifndef __PCI_H__
|
||||||
#define __PCI_H__
|
#define __PCI_H__
|
||||||
|
|
||||||
|
|
||||||
|
/* pci_slot represents a physical slot */
|
||||||
|
struct pci_slot {
|
||||||
|
struct pci_bus *bus; /* The bus this slot is on */
|
||||||
|
struct list_head list; /* node in list of slots on this bus */
|
||||||
|
// struct hotplug_slot *hotplug; /* Hotplug info (migrate over time) */
|
||||||
|
unsigned char number; /* PCI_SLOT(pci_dev->devfn) */
|
||||||
|
// struct kobject kobj;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
#define PCI_ANY_ID (~0)
|
#define PCI_ANY_ID (~0)
|
||||||
|
|
||||||
|
|
||||||
@ -134,144 +146,6 @@
|
|||||||
#define PCI_CLASS_OTHERS 0xff
|
#define PCI_CLASS_OTHERS 0xff
|
||||||
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Under PCI, each device has 256 bytes of configuration address space,
|
|
||||||
* of which the first 64 bytes are standardized as follows:
|
|
||||||
*/
|
|
||||||
#define PCI_VENDOR_ID 0x000 /* 16 bits */
|
|
||||||
#define PCI_DEVICE_ID 0x002 /* 16 bits */
|
|
||||||
#define PCI_COMMAND 0x004 /* 16 bits */
|
|
||||||
#define PCI_COMMAND_IO 0x001 /* Enable response in I/O space */
|
|
||||||
#define PCI_COMMAND_MEMORY 0x002 /* Enable response in Memory space */
|
|
||||||
#define PCI_COMMAND_MASTER 0x004 /* Enable bus mastering */
|
|
||||||
#define PCI_COMMAND_SPECIAL 0x008 /* Enable response to special cycles */
|
|
||||||
#define PCI_COMMAND_INVALIDATE 0x010 /* Use memory write and invalidate */
|
|
||||||
#define PCI_COMMAND_VGA_PALETTE 0x020 /* Enable palette snooping */
|
|
||||||
#define PCI_COMMAND_PARITY 0x040 /* Enable parity checking */
|
|
||||||
#define PCI_COMMAND_WAIT 0x080 /* Enable address/data stepping */
|
|
||||||
#define PCI_COMMAND_SERR 0x100 /* Enable SERR */
|
|
||||||
#define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */
|
|
||||||
#define PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */
|
|
||||||
|
|
||||||
#define PCI_STATUS 0x006 /* 16 bits */
|
|
||||||
#define PCI_STATUS_CAP_LIST 0x010 /* Support Capability List */
|
|
||||||
#define PCI_STATUS_66MHZ 0x020 /* Support 66 Mhz PCI 2.1 bus */
|
|
||||||
#define PCI_STATUS_UDF 0x040 /* Support User Definable Features [obsolete] */
|
|
||||||
#define PCI_STATUS_FAST_BACK 0x080 /* Accept fast-back to back */
|
|
||||||
#define PCI_STATUS_PARITY 0x100 /* Detected parity error */
|
|
||||||
#define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */
|
|
||||||
#define PCI_STATUS_DEVSEL_FAST 0x000
|
|
||||||
#define PCI_STATUS_DEVSEL_MEDIUM 0x200
|
|
||||||
#define PCI_STATUS_DEVSEL_SLOW 0x400
|
|
||||||
#define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */
|
|
||||||
#define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */
|
|
||||||
#define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */
|
|
||||||
#define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */
|
|
||||||
#define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */
|
|
||||||
|
|
||||||
#define PCI_CLASS_REVISION 0x08 /* High 24 bits are class, low 8 revision */
|
|
||||||
#define PCI_REVISION_ID 0x08 /* Revision ID */
|
|
||||||
#define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
|
|
||||||
#define PCI_CLASS_DEVICE 0x0a /* Device class */
|
|
||||||
|
|
||||||
#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
|
|
||||||
#define PCI_LATENCY_TIMER 0x0d /* 8 bits */
|
|
||||||
#define PCI_HEADER_TYPE 0x0e /* 8 bits */
|
|
||||||
#define PCI_HEADER_TYPE_NORMAL 0
|
|
||||||
#define PCI_HEADER_TYPE_BRIDGE 1
|
|
||||||
#define PCI_HEADER_TYPE_CARDBUS 2
|
|
||||||
|
|
||||||
#define PCI_BIST 0x0f /* 8 bits */
|
|
||||||
#define PCI_BIST_CODE_MASK 0x0f /* Return result */
|
|
||||||
#define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or less */
|
|
||||||
#define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Base addresses specify locations in memory or I/O space.
|
|
||||||
* Decoded size can be determined by writing a value of
|
|
||||||
* 0xffffffff to the register, and reading it back. Only
|
|
||||||
* 1 bits are decoded.
|
|
||||||
*/
|
|
||||||
#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
|
|
||||||
#define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */
|
|
||||||
#define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */
|
|
||||||
#define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */
|
|
||||||
#define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */
|
|
||||||
#define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */
|
|
||||||
#define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O */
|
|
||||||
#define PCI_BASE_ADDRESS_SPACE_IO 0x01
|
|
||||||
#define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
|
|
||||||
#define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
|
|
||||||
#define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */
|
|
||||||
#define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
|
|
||||||
#define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */
|
|
||||||
#define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */
|
|
||||||
#define PCI_BASE_ADDRESS_MEM_MASK (~0x0fUL)
|
|
||||||
#define PCI_BASE_ADDRESS_IO_MASK (~0x03UL)
|
|
||||||
/* bit 1 is reserved if address_space = 1 */
|
|
||||||
|
|
||||||
#define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */
|
|
||||||
|
|
||||||
/* Header type 0 (normal devices) */
|
|
||||||
#define PCI_CARDBUS_CIS 0x28
|
|
||||||
#define PCI_SUBSYSTEM_VENDOR_ID 0x2c
|
|
||||||
#define PCI_SUBSYSTEM_ID 0x2e
|
|
||||||
#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */
|
|
||||||
#define PCI_ROM_ADDRESS_ENABLE 0x01
|
|
||||||
#define PCI_ROM_ADDRESS_MASK (~0x7ffUL)
|
|
||||||
|
|
||||||
#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
|
|
||||||
#define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
|
|
||||||
|
|
||||||
|
|
||||||
#define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
|
|
||||||
#define PCI_CB_SUBSYSTEM_ID 0x42
|
|
||||||
|
|
||||||
#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
|
|
||||||
#define PCI_CB_CAPABILITY_LIST 0x14
|
|
||||||
/* Capability lists */
|
|
||||||
|
|
||||||
#define PCI_CAP_LIST_ID 0 /* Capability ID */
|
|
||||||
#define PCI_CAP_ID_PM 0x01 /* Power Management */
|
|
||||||
#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
|
|
||||||
#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
|
|
||||||
#define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */
|
|
||||||
#define PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts */
|
|
||||||
#define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */
|
|
||||||
#define PCI_CAP_ID_PCIX 0x07 /* PCI-X */
|
|
||||||
#define PCI_CAP_ID_HT 0x08 /* HyperTransport */
|
|
||||||
#define PCI_CAP_ID_VNDR 0x09 /* Vendor specific capability */
|
|
||||||
#define PCI_CAP_ID_SHPC 0x0C /* PCI Standard Hot-Plug Controller */
|
|
||||||
#define PCI_CAP_ID_EXP 0x10 /* PCI Express */
|
|
||||||
#define PCI_CAP_ID_MSIX 0x11 /* MSI-X */
|
|
||||||
#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
|
|
||||||
#define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */
|
|
||||||
#define PCI_CAP_SIZEOF 4
|
|
||||||
|
|
||||||
|
|
||||||
/* AGP registers */
|
|
||||||
|
|
||||||
#define PCI_AGP_VERSION 2 /* BCD version number */
|
|
||||||
#define PCI_AGP_RFU 3 /* Rest of capability flags */
|
|
||||||
#define PCI_AGP_STATUS 4 /* Status register */
|
|
||||||
#define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of requests - 1 */
|
|
||||||
#define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */
|
|
||||||
#define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing supported */
|
|
||||||
#define PCI_AGP_STATUS_FW 0x0010 /* FW transfers supported */
|
|
||||||
#define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported */
|
|
||||||
#define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported */
|
|
||||||
#define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported */
|
|
||||||
#define PCI_AGP_COMMAND 8 /* Control register */
|
|
||||||
#define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */
|
|
||||||
#define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */
|
|
||||||
#define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions */
|
|
||||||
#define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow processing of 64-bit addresses */
|
|
||||||
#define PCI_AGP_COMMAND_FW 0x0010 /* Force FW transfers */
|
|
||||||
#define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate */
|
|
||||||
#define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate */
|
|
||||||
#define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate */
|
|
||||||
#define PCI_AGP_SIZEOF 12
|
|
||||||
|
|
||||||
|
|
||||||
#define PCI_MAP_REG_START 0x10
|
#define PCI_MAP_REG_START 0x10
|
||||||
#define PCI_MAP_REG_END 0x28
|
#define PCI_MAP_REG_END 0x28
|
||||||
@ -334,6 +208,26 @@
|
|||||||
#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
|
#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
|
||||||
#define PCI_FUNC(devfn) ((devfn) & 0x07)
|
#define PCI_FUNC(devfn) ((devfn) & 0x07)
|
||||||
|
|
||||||
|
/* Ioctls for /proc/bus/pci/X/Y nodes. */
|
||||||
|
#define PCIIOC_BASE ('P' << 24 | 'C' << 16 | 'I' << 8)
|
||||||
|
#define PCIIOC_CONTROLLER (PCIIOC_BASE | 0x00) /* Get controller for PCI device. */
|
||||||
|
#define PCIIOC_MMAP_IS_IO (PCIIOC_BASE | 0x01) /* Set mmap state to I/O space. */
|
||||||
|
#define PCIIOC_MMAP_IS_MEM (PCIIOC_BASE | 0x02) /* Set mmap state to MEM space. */
|
||||||
|
#define PCIIOC_WRITE_COMBINE (PCIIOC_BASE | 0x03) /* Enable/disable write-combining. */
|
||||||
|
|
||||||
|
|
||||||
|
typedef unsigned int __bitwise pci_channel_state_t;
|
||||||
|
|
||||||
|
enum pci_channel_state {
|
||||||
|
/* I/O channel is in normal state */
|
||||||
|
pci_channel_io_normal = (__force pci_channel_state_t) 1,
|
||||||
|
|
||||||
|
/* I/O to channel is blocked */
|
||||||
|
pci_channel_io_frozen = (__force pci_channel_state_t) 2,
|
||||||
|
|
||||||
|
/* PCI card is dead */
|
||||||
|
pci_channel_io_perm_failure = (__force pci_channel_state_t) 3,
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
typedef unsigned int PCITAG;
|
typedef unsigned int PCITAG;
|
||||||
@ -354,6 +248,11 @@ struct resource
|
|||||||
struct resource *parent, *sibling, *child;
|
struct resource *parent, *sibling, *child;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
/* This defines the direction arg to the DMA mapping routines. */
|
||||||
|
#define PCI_DMA_BIDIRECTIONAL 0
|
||||||
|
#define PCI_DMA_TODEVICE 1
|
||||||
|
#define PCI_DMA_FROMDEVICE 2
|
||||||
|
#define PCI_DMA_NONE 3
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* For PCI devices, the region numbers are assigned this way:
|
* For PCI devices, the region numbers are assigned this way:
|
||||||
@ -454,6 +353,8 @@ enum {
|
|||||||
#define IORESOURCE_PCI_FIXED (1<<4) /* Do not move resource */
|
#define IORESOURCE_PCI_FIXED (1<<4) /* Do not move resource */
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* For PCI devices, the region numbers are assigned this way:
|
* For PCI devices, the region numbers are assigned this way:
|
||||||
*
|
*
|
||||||
@ -472,32 +373,48 @@ enum {
|
|||||||
|
|
||||||
#define DEVICE_COUNT_RESOURCE 12
|
#define DEVICE_COUNT_RESOURCE 12
|
||||||
|
|
||||||
|
|
||||||
|
#define PCI_CFG_SPACE_SIZE 256
|
||||||
|
#define PCI_CFG_SPACE_EXP_SIZE 4096
|
||||||
|
|
||||||
|
|
||||||
|
typedef int __bitwise pci_power_t;
|
||||||
|
|
||||||
|
#define PCI_D0 ((pci_power_t __force) 0)
|
||||||
|
#define PCI_D1 ((pci_power_t __force) 1)
|
||||||
|
#define PCI_D2 ((pci_power_t __force) 2)
|
||||||
|
#define PCI_D3hot ((pci_power_t __force) 3)
|
||||||
|
#define PCI_D3cold ((pci_power_t __force) 4)
|
||||||
|
#define PCI_UNKNOWN ((pci_power_t __force) 5)
|
||||||
|
#define PCI_POWER_ERROR ((pci_power_t __force) -1)
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* The pci_dev structure is used to describe PCI devices.
|
* The pci_dev structure is used to describe PCI devices.
|
||||||
*/
|
*/
|
||||||
struct pci_dev {
|
struct pci_dev {
|
||||||
// struct list_head bus_list; /* node in per-bus list */
|
struct list_head bus_list; /* node in per-bus list */
|
||||||
// struct pci_bus *bus; /* bus this device is on */
|
struct pci_bus *bus; /* bus this device is on */
|
||||||
// struct pci_bus *subordinate; /* bus this device bridges to */
|
struct pci_bus *subordinate; /* bus this device bridges to */
|
||||||
|
|
||||||
// void *sysdata; /* hook for sys-specific extension */
|
void *sysdata; /* hook for sys-specific extension */
|
||||||
// struct proc_dir_entry *procent; /* device entry in /proc/bus/pci */
|
// struct proc_dir_entry *procent; /* device entry in /proc/bus/pci */
|
||||||
// struct pci_slot *slot; /* Physical slot this device is in */
|
struct pci_slot *slot; /* Physical slot this device is in */
|
||||||
u32_t bus;
|
u32_t busnr;
|
||||||
u32_t devfn; /* encoded device & function index */
|
unsigned int devfn; /* encoded device & function index */
|
||||||
u16_t vendor;
|
unsigned short vendor;
|
||||||
u16_t device;
|
unsigned short device;
|
||||||
u16_t subsystem_vendor;
|
unsigned short subsystem_vendor;
|
||||||
u16_t subsystem_device;
|
unsigned short subsystem_device;
|
||||||
u32_t class; /* 3 bytes: (base,sub,prog-if) */
|
unsigned int class; /* 3 bytes: (base,sub,prog-if) */
|
||||||
uint8_t revision; /* PCI revision, low byte of class word */
|
u8 revision; /* PCI revision, low byte of class word */
|
||||||
uint8_t hdr_type; /* PCI header type (`multi' flag masked out) */
|
u8 hdr_type; /* PCI header type (`multi' flag masked out) */
|
||||||
uint8_t pcie_type; /* PCI-E device/port type */
|
u8 pcie_cap; /* PCI-E capability offset */
|
||||||
uint8_t rom_base_reg; /* which config register controls the ROM */
|
u8 pcie_type; /* PCI-E device/port type */
|
||||||
uint8_t pin; /* which interrupt pin this device uses */
|
u8 rom_base_reg; /* which config register controls the ROM */
|
||||||
|
u8 pin; /* which interrupt pin this device uses */
|
||||||
|
|
||||||
// struct pci_driver *driver; /* which driver has allocated this device */
|
// struct pci_driver *driver; /* which driver has allocated this device */
|
||||||
uint64_t dma_mask; /* Mask of the bits of bus address this
|
u64 dma_mask; /* Mask of the bits of bus address this
|
||||||
device implements. Normally this is
|
device implements. Normally this is
|
||||||
0xffffffff. You only need to change
|
0xffffffff. You only need to change
|
||||||
this if your device has broken DMA
|
this if your device has broken DMA
|
||||||
@ -505,21 +422,26 @@ struct pci_dev {
|
|||||||
|
|
||||||
// struct device_dma_parameters dma_parms;
|
// struct device_dma_parameters dma_parms;
|
||||||
|
|
||||||
// pci_power_t current_state; /* Current operating state. In ACPI-speak,
|
pci_power_t current_state; /* Current operating state. In ACPI-speak,
|
||||||
// this is D0-D3, D0 being fully functional,
|
this is D0-D3, D0 being fully functional,
|
||||||
// and D3 being off. */
|
and D3 being off. */
|
||||||
// int pm_cap; /* PM capability offset in the
|
int pm_cap; /* PM capability offset in the
|
||||||
// configuration space */
|
configuration space */
|
||||||
unsigned int pme_support:5; /* Bitmask of states from which PME#
|
unsigned int pme_support:5; /* Bitmask of states from which PME#
|
||||||
can be generated */
|
can be generated */
|
||||||
|
unsigned int pme_interrupt:1;
|
||||||
unsigned int d1_support:1; /* Low power state D1 is supported */
|
unsigned int d1_support:1; /* Low power state D1 is supported */
|
||||||
unsigned int d2_support:1; /* Low power state D2 is supported */
|
unsigned int d2_support:1; /* Low power state D2 is supported */
|
||||||
unsigned int no_d1d2:1; /* Only allow D0 and D3 */
|
unsigned int no_d1d2:1; /* Only allow D0 and D3 */
|
||||||
|
unsigned int mmio_always_on:1; /* disallow turning off io/mem
|
||||||
|
decoding during bar sizing */
|
||||||
|
unsigned int wakeup_prepared:1;
|
||||||
|
unsigned int d3_delay; /* D3->D0 transition time in ms */
|
||||||
|
|
||||||
// pci_channel_state_t error_state; /* current connectivity state */
|
pci_channel_state_t error_state; /* current connectivity state */
|
||||||
struct device dev; /* Generic device interface */
|
struct device dev; /* Generic device interface */
|
||||||
|
|
||||||
// int cfg_size; /* Size of configuration space */
|
int cfg_size; /* Size of configuration space */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Instead of touching interrupt line and base address registers
|
* Instead of touching interrupt line and base address registers
|
||||||
@ -542,12 +464,17 @@ struct pci_dev {
|
|||||||
unsigned int msix_enabled:1;
|
unsigned int msix_enabled:1;
|
||||||
unsigned int ari_enabled:1; /* ARI forwarding */
|
unsigned int ari_enabled:1; /* ARI forwarding */
|
||||||
unsigned int is_managed:1;
|
unsigned int is_managed:1;
|
||||||
unsigned int is_pcie:1;
|
unsigned int is_pcie:1; /* Obsolete. Will be removed.
|
||||||
|
Use pci_is_pcie() instead */
|
||||||
|
unsigned int needs_freset:1; /* Dev requires fundamental reset */
|
||||||
unsigned int state_saved:1;
|
unsigned int state_saved:1;
|
||||||
unsigned int is_physfn:1;
|
unsigned int is_physfn:1;
|
||||||
unsigned int is_virtfn:1;
|
unsigned int is_virtfn:1;
|
||||||
// pci_dev_flags_t dev_flags;
|
unsigned int reset_fn:1;
|
||||||
// atomic_t enable_cnt; /* pci_enable_device has been called */
|
unsigned int is_hotplug_bridge:1;
|
||||||
|
unsigned int __aer_firmware_first_valid:1;
|
||||||
|
unsigned int __aer_firmware_first:1;
|
||||||
|
|
||||||
|
|
||||||
// u32 saved_config_space[16]; /* config space saved at suspend time */
|
// u32 saved_config_space[16]; /* config space saved at suspend time */
|
||||||
// struct hlist_head saved_cap_space;
|
// struct hlist_head saved_cap_space;
|
||||||
@ -606,6 +533,28 @@ struct pci_ops
|
|||||||
int (*write)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
|
int (*write)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
|
||||||
};
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
* The first PCI_BRIDGE_RESOURCE_NUM PCI bus resources (those that correspond
|
||||||
|
* to P2P or CardBus bridge windows) go in a table. Additional ones (for
|
||||||
|
* buses below host bridges or subtractive decode bridges) go in the list.
|
||||||
|
* Use pci_bus_for_each_resource() to iterate through all the resources.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* PCI_SUBTRACTIVE_DECODE means the bridge forwards the window implicitly
|
||||||
|
* and there's no way to program the bridge with the details of the window.
|
||||||
|
* This does not apply to ACPI _CRS windows, even with the _DEC subtractive-
|
||||||
|
* decode bit set, because they are explicit and can be programmed with _SRS.
|
||||||
|
*/
|
||||||
|
#define PCI_SUBTRACTIVE_DECODE 0x1
|
||||||
|
|
||||||
|
struct pci_bus_resource {
|
||||||
|
struct list_head list;
|
||||||
|
struct resource *res;
|
||||||
|
unsigned int flags;
|
||||||
|
};
|
||||||
|
|
||||||
|
#define PCI_REGION_FLAG_MASK 0x0fU /* These bits of resource flags tell us the PCI region flags */
|
||||||
|
|
||||||
struct pci_bus {
|
struct pci_bus {
|
||||||
struct list_head node; /* node in list of buses */
|
struct list_head node; /* node in list of buses */
|
||||||
@ -638,6 +587,9 @@ struct pci_bus {
|
|||||||
|
|
||||||
#define pci_bus_b(n) list_entry(n, struct pci_bus, node)
|
#define pci_bus_b(n) list_entry(n, struct pci_bus, node)
|
||||||
#define to_pci_bus(n) container_of(n, struct pci_bus, dev)
|
#define to_pci_bus(n) container_of(n, struct pci_bus, dev)
|
||||||
|
#define pci_dev_b(n) list_entry(n, struct pci_dev, bus_list)
|
||||||
|
#define to_pci_dev(n) container_of(n, struct pci_dev, dev)
|
||||||
|
#define for_each_pci_dev(d) while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL)
|
||||||
|
|
||||||
|
|
||||||
static inline int pci_domain_nr(struct pci_bus *bus)
|
static inline int pci_domain_nr(struct pci_bus *bus)
|
||||||
@ -645,6 +597,31 @@ static inline int pci_domain_nr(struct pci_bus *bus)
|
|||||||
struct pci_sysdata *sd = bus->sysdata;
|
struct pci_sysdata *sd = bus->sysdata;
|
||||||
return sd->domain;
|
return sd->domain;
|
||||||
}
|
}
|
||||||
|
static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false; }
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Error values that may be returned by PCI functions.
|
||||||
|
*/
|
||||||
|
#define PCIBIOS_SUCCESSFUL 0x00
|
||||||
|
#define PCIBIOS_FUNC_NOT_SUPPORTED 0x81
|
||||||
|
#define PCIBIOS_BAD_VENDOR_ID 0x83
|
||||||
|
#define PCIBIOS_DEVICE_NOT_FOUND 0x86
|
||||||
|
#define PCIBIOS_BAD_REGISTER_NUMBER 0x87
|
||||||
|
#define PCIBIOS_SET_FAILED 0x88
|
||||||
|
#define PCIBIOS_BUFFER_TOO_SMALL 0x89
|
||||||
|
|
||||||
|
/* Low-level architecture-dependent routines */
|
||||||
|
|
||||||
|
struct pci_bus_region {
|
||||||
|
resource_size_t start;
|
||||||
|
resource_size_t end;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
int enum_pci_devices(void);
|
int enum_pci_devices(void);
|
||||||
@ -658,9 +635,45 @@ int pci_set_dma_mask(struct pci_dev *dev, u64 mask);
|
|||||||
|
|
||||||
struct pci_bus * pci_create_bus(int bus, struct pci_ops *ops, void *sysdata);
|
struct pci_bus * pci_create_bus(int bus, struct pci_ops *ops, void *sysdata);
|
||||||
struct pci_bus * pci_find_bus(int domain, int busnr);
|
struct pci_bus * pci_find_bus(int domain, int busnr);
|
||||||
|
int pci_find_capability(struct pci_dev *dev, int cap);
|
||||||
|
int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap);
|
||||||
|
int pci_find_ext_capability(struct pci_dev *dev, int cap);
|
||||||
|
int pci_bus_find_ext_capability(struct pci_bus *bus, unsigned int devfn,
|
||||||
|
int cap);
|
||||||
|
int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap);
|
||||||
struct pci_bus * pci_find_next_bus(const struct pci_bus *from);
|
struct pci_bus * pci_find_next_bus(const struct pci_bus *from);
|
||||||
|
|
||||||
|
static inline bool pci_is_root_bus(struct pci_bus *pbus)
|
||||||
|
{
|
||||||
|
return !(pbus->parent);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* pci_pcie_cap - get the saved PCIe capability offset
|
||||||
|
* @dev: PCI device
|
||||||
|
*
|
||||||
|
* PCIe capability offset is calculated at PCI device initialization
|
||||||
|
* time and saved in the data structure. This function returns saved
|
||||||
|
* PCIe capability offset. Using this instead of pci_find_capability()
|
||||||
|
* reduces unnecessary search in the PCI configuration space. If you
|
||||||
|
* need to calculate PCIe capability offset from raw device for some
|
||||||
|
* reasons, please use pci_find_capability() instead.
|
||||||
|
*/
|
||||||
|
static inline int pci_pcie_cap(struct pci_dev *dev)
|
||||||
|
{
|
||||||
|
return dev->pcie_cap;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* pci_is_pcie - check if the PCI device is PCI Express capable
|
||||||
|
* @dev: PCI device
|
||||||
|
*
|
||||||
|
* Retrun true if the PCI device is PCI Express capable, false otherwise.
|
||||||
|
*/
|
||||||
|
static inline bool pci_is_pcie(struct pci_dev *dev)
|
||||||
|
{
|
||||||
|
return !!pci_pcie_cap(dev);
|
||||||
|
}
|
||||||
|
|
||||||
#define pci_name(x) "radeon"
|
#define pci_name(x) "radeon"
|
||||||
|
|
||||||
|
|||||||
686
drivers/include/linux/pci_regs.h
Normal file
686
drivers/include/linux/pci_regs.h
Normal file
@ -0,0 +1,686 @@
|
|||||||
|
/*
|
||||||
|
* pci_regs.h
|
||||||
|
*
|
||||||
|
* PCI standard defines
|
||||||
|
* Copyright 1994, Drew Eckhardt
|
||||||
|
* Copyright 1997--1999 Martin Mares <mj@ucw.cz>
|
||||||
|
*
|
||||||
|
* For more information, please consult the following manuals (look at
|
||||||
|
* http://www.pcisig.com/ for how to get them):
|
||||||
|
*
|
||||||
|
* PCI BIOS Specification
|
||||||
|
* PCI Local Bus Specification
|
||||||
|
* PCI to PCI Bridge Specification
|
||||||
|
* PCI System Design Guide
|
||||||
|
*
|
||||||
|
* For hypertransport information, please consult the following manuals
|
||||||
|
* from http://www.hypertransport.org
|
||||||
|
*
|
||||||
|
* The Hypertransport I/O Link Specification
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef LINUX_PCI_REGS_H
|
||||||
|
#define LINUX_PCI_REGS_H
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Under PCI, each device has 256 bytes of configuration address space,
|
||||||
|
* of which the first 64 bytes are standardized as follows:
|
||||||
|
*/
|
||||||
|
#define PCI_VENDOR_ID 0x00 /* 16 bits */
|
||||||
|
#define PCI_DEVICE_ID 0x02 /* 16 bits */
|
||||||
|
#define PCI_COMMAND 0x04 /* 16 bits */
|
||||||
|
#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
|
||||||
|
#define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
|
||||||
|
#define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */
|
||||||
|
#define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */
|
||||||
|
#define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */
|
||||||
|
#define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */
|
||||||
|
#define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */
|
||||||
|
#define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */
|
||||||
|
#define PCI_COMMAND_SERR 0x100 /* Enable SERR */
|
||||||
|
#define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */
|
||||||
|
#define PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */
|
||||||
|
|
||||||
|
#define PCI_STATUS 0x06 /* 16 bits */
|
||||||
|
#define PCI_STATUS_INTERRUPT 0x08 /* Interrupt status */
|
||||||
|
#define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */
|
||||||
|
#define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */
|
||||||
|
#define PCI_STATUS_UDF 0x40 /* Support User Definable Features [obsolete] */
|
||||||
|
#define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */
|
||||||
|
#define PCI_STATUS_PARITY 0x100 /* Detected parity error */
|
||||||
|
#define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */
|
||||||
|
#define PCI_STATUS_DEVSEL_FAST 0x000
|
||||||
|
#define PCI_STATUS_DEVSEL_MEDIUM 0x200
|
||||||
|
#define PCI_STATUS_DEVSEL_SLOW 0x400
|
||||||
|
#define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */
|
||||||
|
#define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */
|
||||||
|
#define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */
|
||||||
|
#define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */
|
||||||
|
#define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */
|
||||||
|
|
||||||
|
#define PCI_CLASS_REVISION 0x08 /* High 24 bits are class, low 8 revision */
|
||||||
|
#define PCI_REVISION_ID 0x08 /* Revision ID */
|
||||||
|
#define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
|
||||||
|
#define PCI_CLASS_DEVICE 0x0a /* Device class */
|
||||||
|
|
||||||
|
#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
|
||||||
|
#define PCI_LATENCY_TIMER 0x0d /* 8 bits */
|
||||||
|
#define PCI_HEADER_TYPE 0x0e /* 8 bits */
|
||||||
|
#define PCI_HEADER_TYPE_NORMAL 0
|
||||||
|
#define PCI_HEADER_TYPE_BRIDGE 1
|
||||||
|
#define PCI_HEADER_TYPE_CARDBUS 2
|
||||||
|
|
||||||
|
#define PCI_BIST 0x0f /* 8 bits */
|
||||||
|
#define PCI_BIST_CODE_MASK 0x0f /* Return result */
|
||||||
|
#define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or less */
|
||||||
|
#define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Base addresses specify locations in memory or I/O space.
|
||||||
|
* Decoded size can be determined by writing a value of
|
||||||
|
* 0xffffffff to the register, and reading it back. Only
|
||||||
|
* 1 bits are decoded.
|
||||||
|
*/
|
||||||
|
#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
|
||||||
|
#define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */
|
||||||
|
#define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */
|
||||||
|
#define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */
|
||||||
|
#define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */
|
||||||
|
#define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */
|
||||||
|
#define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O */
|
||||||
|
#define PCI_BASE_ADDRESS_SPACE_IO 0x01
|
||||||
|
#define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
|
||||||
|
#define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
|
||||||
|
#define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */
|
||||||
|
#define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
|
||||||
|
#define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */
|
||||||
|
#define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */
|
||||||
|
#define PCI_BASE_ADDRESS_MEM_MASK (~0x0fUL)
|
||||||
|
#define PCI_BASE_ADDRESS_IO_MASK (~0x03UL)
|
||||||
|
/* bit 1 is reserved if address_space = 1 */
|
||||||
|
|
||||||
|
/* Header type 0 (normal devices) */
|
||||||
|
#define PCI_CARDBUS_CIS 0x28
|
||||||
|
#define PCI_SUBSYSTEM_VENDOR_ID 0x2c
|
||||||
|
#define PCI_SUBSYSTEM_ID 0x2e
|
||||||
|
#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */
|
||||||
|
#define PCI_ROM_ADDRESS_ENABLE 0x01
|
||||||
|
#define PCI_ROM_ADDRESS_MASK (~0x7ffUL)
|
||||||
|
|
||||||
|
#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
|
||||||
|
|
||||||
|
/* 0x35-0x3b are reserved */
|
||||||
|
#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
|
||||||
|
#define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
|
||||||
|
#define PCI_MIN_GNT 0x3e /* 8 bits */
|
||||||
|
#define PCI_MAX_LAT 0x3f /* 8 bits */
|
||||||
|
|
||||||
|
/* Header type 1 (PCI-to-PCI bridges) */
|
||||||
|
#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
|
||||||
|
#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
|
||||||
|
#define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge */
|
||||||
|
#define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */
|
||||||
|
#define PCI_IO_BASE 0x1c /* I/O range behind the bridge */
|
||||||
|
#define PCI_IO_LIMIT 0x1d
|
||||||
|
#define PCI_IO_RANGE_TYPE_MASK 0x0fUL /* I/O bridging type */
|
||||||
|
#define PCI_IO_RANGE_TYPE_16 0x00
|
||||||
|
#define PCI_IO_RANGE_TYPE_32 0x01
|
||||||
|
#define PCI_IO_RANGE_MASK (~0x0fUL)
|
||||||
|
#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */
|
||||||
|
#define PCI_MEMORY_BASE 0x20 /* Memory range behind */
|
||||||
|
#define PCI_MEMORY_LIMIT 0x22
|
||||||
|
#define PCI_MEMORY_RANGE_TYPE_MASK 0x0fUL
|
||||||
|
#define PCI_MEMORY_RANGE_MASK (~0x0fUL)
|
||||||
|
#define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */
|
||||||
|
#define PCI_PREF_MEMORY_LIMIT 0x26
|
||||||
|
#define PCI_PREF_RANGE_TYPE_MASK 0x0fUL
|
||||||
|
#define PCI_PREF_RANGE_TYPE_32 0x00
|
||||||
|
#define PCI_PREF_RANGE_TYPE_64 0x01
|
||||||
|
#define PCI_PREF_RANGE_MASK (~0x0fUL)
|
||||||
|
#define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */
|
||||||
|
#define PCI_PREF_LIMIT_UPPER32 0x2c
|
||||||
|
#define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */
|
||||||
|
#define PCI_IO_LIMIT_UPPER16 0x32
|
||||||
|
/* 0x34 same as for htype 0 */
|
||||||
|
/* 0x35-0x3b is reserved */
|
||||||
|
#define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */
|
||||||
|
/* 0x3c-0x3d are same as for htype 0 */
|
||||||
|
#define PCI_BRIDGE_CONTROL 0x3e
|
||||||
|
#define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary interface */
|
||||||
|
#define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */
|
||||||
|
#define PCI_BRIDGE_CTL_ISA 0x04 /* Enable ISA mode */
|
||||||
|
#define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */
|
||||||
|
#define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */
|
||||||
|
#define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */
|
||||||
|
#define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on secondary interface */
|
||||||
|
|
||||||
|
/* Header type 2 (CardBus bridges) */
|
||||||
|
#define PCI_CB_CAPABILITY_LIST 0x14
|
||||||
|
/* 0x15 reserved */
|
||||||
|
#define PCI_CB_SEC_STATUS 0x16 /* Secondary status */
|
||||||
|
#define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */
|
||||||
|
#define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */
|
||||||
|
#define PCI_CB_SUBORDINATE_BUS 0x1a /* Subordinate bus number */
|
||||||
|
#define PCI_CB_LATENCY_TIMER 0x1b /* CardBus latency timer */
|
||||||
|
#define PCI_CB_MEMORY_BASE_0 0x1c
|
||||||
|
#define PCI_CB_MEMORY_LIMIT_0 0x20
|
||||||
|
#define PCI_CB_MEMORY_BASE_1 0x24
|
||||||
|
#define PCI_CB_MEMORY_LIMIT_1 0x28
|
||||||
|
#define PCI_CB_IO_BASE_0 0x2c
|
||||||
|
#define PCI_CB_IO_BASE_0_HI 0x2e
|
||||||
|
#define PCI_CB_IO_LIMIT_0 0x30
|
||||||
|
#define PCI_CB_IO_LIMIT_0_HI 0x32
|
||||||
|
#define PCI_CB_IO_BASE_1 0x34
|
||||||
|
#define PCI_CB_IO_BASE_1_HI 0x36
|
||||||
|
#define PCI_CB_IO_LIMIT_1 0x38
|
||||||
|
#define PCI_CB_IO_LIMIT_1_HI 0x3a
|
||||||
|
#define PCI_CB_IO_RANGE_MASK (~0x03UL)
|
||||||
|
/* 0x3c-0x3d are same as for htype 0 */
|
||||||
|
#define PCI_CB_BRIDGE_CONTROL 0x3e
|
||||||
|
#define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge control register */
|
||||||
|
#define PCI_CB_BRIDGE_CTL_SERR 0x02
|
||||||
|
#define PCI_CB_BRIDGE_CTL_ISA 0x04
|
||||||
|
#define PCI_CB_BRIDGE_CTL_VGA 0x08
|
||||||
|
#define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20
|
||||||
|
#define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */
|
||||||
|
#define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit cards */
|
||||||
|
#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both memory regions */
|
||||||
|
#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
|
||||||
|
#define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400
|
||||||
|
#define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
|
||||||
|
#define PCI_CB_SUBSYSTEM_ID 0x42
|
||||||
|
#define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card legacy mode base address (ExCa) */
|
||||||
|
/* 0x48-0x7f reserved */
|
||||||
|
|
||||||
|
/* Capability lists */
|
||||||
|
|
||||||
|
#define PCI_CAP_LIST_ID 0 /* Capability ID */
|
||||||
|
#define PCI_CAP_ID_PM 0x01 /* Power Management */
|
||||||
|
#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
|
||||||
|
#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
|
||||||
|
#define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */
|
||||||
|
#define PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts */
|
||||||
|
#define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */
|
||||||
|
#define PCI_CAP_ID_PCIX 0x07 /* PCI-X */
|
||||||
|
#define PCI_CAP_ID_HT 0x08 /* HyperTransport */
|
||||||
|
#define PCI_CAP_ID_VNDR 0x09 /* Vendor specific */
|
||||||
|
#define PCI_CAP_ID_DBG 0x0A /* Debug port */
|
||||||
|
#define PCI_CAP_ID_CCRC 0x0B /* CompactPCI Central Resource Control */
|
||||||
|
#define PCI_CAP_ID_SHPC 0x0C /* PCI Standard Hot-Plug Controller */
|
||||||
|
#define PCI_CAP_ID_SSVID 0x0D /* Bridge subsystem vendor/device ID */
|
||||||
|
#define PCI_CAP_ID_AGP3 0x0E /* AGP Target PCI-PCI bridge */
|
||||||
|
#define PCI_CAP_ID_EXP 0x10 /* PCI Express */
|
||||||
|
#define PCI_CAP_ID_MSIX 0x11 /* MSI-X */
|
||||||
|
#define PCI_CAP_ID_AF 0x13 /* PCI Advanced Features */
|
||||||
|
#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
|
||||||
|
#define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */
|
||||||
|
#define PCI_CAP_SIZEOF 4
|
||||||
|
|
||||||
|
/* Power Management Registers */
|
||||||
|
|
||||||
|
#define PCI_PM_PMC 2 /* PM Capabilities Register */
|
||||||
|
#define PCI_PM_CAP_VER_MASK 0x0007 /* Version */
|
||||||
|
#define PCI_PM_CAP_PME_CLOCK 0x0008 /* PME clock required */
|
||||||
|
#define PCI_PM_CAP_RESERVED 0x0010 /* Reserved field */
|
||||||
|
#define PCI_PM_CAP_DSI 0x0020 /* Device specific initialization */
|
||||||
|
#define PCI_PM_CAP_AUX_POWER 0x01C0 /* Auxilliary power support mask */
|
||||||
|
#define PCI_PM_CAP_D1 0x0200 /* D1 power state support */
|
||||||
|
#define PCI_PM_CAP_D2 0x0400 /* D2 power state support */
|
||||||
|
#define PCI_PM_CAP_PME 0x0800 /* PME pin supported */
|
||||||
|
#define PCI_PM_CAP_PME_MASK 0xF800 /* PME Mask of all supported states */
|
||||||
|
#define PCI_PM_CAP_PME_D0 0x0800 /* PME# from D0 */
|
||||||
|
#define PCI_PM_CAP_PME_D1 0x1000 /* PME# from D1 */
|
||||||
|
#define PCI_PM_CAP_PME_D2 0x2000 /* PME# from D2 */
|
||||||
|
#define PCI_PM_CAP_PME_D3 0x4000 /* PME# from D3 (hot) */
|
||||||
|
#define PCI_PM_CAP_PME_D3cold 0x8000 /* PME# from D3 (cold) */
|
||||||
|
#define PCI_PM_CAP_PME_SHIFT 11 /* Start of the PME Mask in PMC */
|
||||||
|
#define PCI_PM_CTRL 4 /* PM control and status register */
|
||||||
|
#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */
|
||||||
|
#define PCI_PM_CTRL_NO_SOFT_RESET 0x0008 /* No reset for D3hot->D0 */
|
||||||
|
#define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
|
||||||
|
#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* Data select (??) */
|
||||||
|
#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* Data scale (??) */
|
||||||
|
#define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */
|
||||||
|
#define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions (??) */
|
||||||
|
#define PCI_PM_PPB_B2_B3 0x40 /* Stop clock when in D3hot (??) */
|
||||||
|
#define PCI_PM_BPCC_ENABLE 0x80 /* Bus power/clock control enable (??) */
|
||||||
|
#define PCI_PM_DATA_REGISTER 7 /* (??) */
|
||||||
|
#define PCI_PM_SIZEOF 8
|
||||||
|
|
||||||
|
/* AGP registers */
|
||||||
|
|
||||||
|
#define PCI_AGP_VERSION 2 /* BCD version number */
|
||||||
|
#define PCI_AGP_RFU 3 /* Rest of capability flags */
|
||||||
|
#define PCI_AGP_STATUS 4 /* Status register */
|
||||||
|
#define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of requests - 1 */
|
||||||
|
#define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */
|
||||||
|
#define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing supported */
|
||||||
|
#define PCI_AGP_STATUS_FW 0x0010 /* FW transfers supported */
|
||||||
|
#define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported */
|
||||||
|
#define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported */
|
||||||
|
#define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported */
|
||||||
|
#define PCI_AGP_COMMAND 8 /* Control register */
|
||||||
|
#define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */
|
||||||
|
#define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */
|
||||||
|
#define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions */
|
||||||
|
#define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow processing of 64-bit addresses */
|
||||||
|
#define PCI_AGP_COMMAND_FW 0x0010 /* Force FW transfers */
|
||||||
|
#define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate */
|
||||||
|
#define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate */
|
||||||
|
#define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate */
|
||||||
|
#define PCI_AGP_SIZEOF 12
|
||||||
|
|
||||||
|
/* Vital Product Data */
|
||||||
|
|
||||||
|
#define PCI_VPD_ADDR 2 /* Address to access (15 bits!) */
|
||||||
|
#define PCI_VPD_ADDR_MASK 0x7fff /* Address mask */
|
||||||
|
#define PCI_VPD_ADDR_F 0x8000 /* Write 0, 1 indicates completion */
|
||||||
|
#define PCI_VPD_DATA 4 /* 32-bits of data returned here */
|
||||||
|
|
||||||
|
/* Slot Identification */
|
||||||
|
|
||||||
|
#define PCI_SID_ESR 2 /* Expansion Slot Register */
|
||||||
|
#define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available */
|
||||||
|
#define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */
|
||||||
|
#define PCI_SID_CHASSIS_NR 3 /* Chassis Number */
|
||||||
|
|
||||||
|
/* Message Signalled Interrupts registers */
|
||||||
|
|
||||||
|
#define PCI_MSI_FLAGS 2 /* Various flags */
|
||||||
|
#define PCI_MSI_FLAGS_64BIT 0x80 /* 64-bit addresses allowed */
|
||||||
|
#define PCI_MSI_FLAGS_QSIZE 0x70 /* Message queue size configured */
|
||||||
|
#define PCI_MSI_FLAGS_QMASK 0x0e /* Maximum queue size available */
|
||||||
|
#define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */
|
||||||
|
#define PCI_MSI_FLAGS_MASKBIT 0x100 /* 64-bit mask bits allowed */
|
||||||
|
#define PCI_MSI_RFU 3 /* Rest of capability flags */
|
||||||
|
#define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */
|
||||||
|
#define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
|
||||||
|
#define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit devices */
|
||||||
|
#define PCI_MSI_MASK_32 12 /* Mask bits register for 32-bit devices */
|
||||||
|
#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */
|
||||||
|
#define PCI_MSI_MASK_64 16 /* Mask bits register for 64-bit devices */
|
||||||
|
|
||||||
|
/* MSI-X registers (these are at offset PCI_MSIX_FLAGS) */
|
||||||
|
#define PCI_MSIX_FLAGS 2
|
||||||
|
#define PCI_MSIX_FLAGS_QSIZE 0x7FF
|
||||||
|
#define PCI_MSIX_FLAGS_ENABLE (1 << 15)
|
||||||
|
#define PCI_MSIX_FLAGS_MASKALL (1 << 14)
|
||||||
|
#define PCI_MSIX_FLAGS_BIRMASK (7 << 0)
|
||||||
|
|
||||||
|
/* CompactPCI Hotswap Register */
|
||||||
|
|
||||||
|
#define PCI_CHSWP_CSR 2 /* Control and Status Register */
|
||||||
|
#define PCI_CHSWP_DHA 0x01 /* Device Hiding Arm */
|
||||||
|
#define PCI_CHSWP_EIM 0x02 /* ENUM# Signal Mask */
|
||||||
|
#define PCI_CHSWP_PIE 0x04 /* Pending Insert or Extract */
|
||||||
|
#define PCI_CHSWP_LOO 0x08 /* LED On / Off */
|
||||||
|
#define PCI_CHSWP_PI 0x30 /* Programming Interface */
|
||||||
|
#define PCI_CHSWP_EXT 0x40 /* ENUM# status - extraction */
|
||||||
|
#define PCI_CHSWP_INS 0x80 /* ENUM# status - insertion */
|
||||||
|
|
||||||
|
/* PCI Advanced Feature registers */
|
||||||
|
|
||||||
|
#define PCI_AF_LENGTH 2
|
||||||
|
#define PCI_AF_CAP 3
|
||||||
|
#define PCI_AF_CAP_TP 0x01
|
||||||
|
#define PCI_AF_CAP_FLR 0x02
|
||||||
|
#define PCI_AF_CTRL 4
|
||||||
|
#define PCI_AF_CTRL_FLR 0x01
|
||||||
|
#define PCI_AF_STATUS 5
|
||||||
|
#define PCI_AF_STATUS_TP 0x01
|
||||||
|
|
||||||
|
/* PCI-X registers */
|
||||||
|
|
||||||
|
#define PCI_X_CMD 2 /* Modes & Features */
|
||||||
|
#define PCI_X_CMD_DPERR_E 0x0001 /* Data Parity Error Recovery Enable */
|
||||||
|
#define PCI_X_CMD_ERO 0x0002 /* Enable Relaxed Ordering */
|
||||||
|
#define PCI_X_CMD_READ_512 0x0000 /* 512 byte maximum read byte count */
|
||||||
|
#define PCI_X_CMD_READ_1K 0x0004 /* 1Kbyte maximum read byte count */
|
||||||
|
#define PCI_X_CMD_READ_2K 0x0008 /* 2Kbyte maximum read byte count */
|
||||||
|
#define PCI_X_CMD_READ_4K 0x000c /* 4Kbyte maximum read byte count */
|
||||||
|
#define PCI_X_CMD_MAX_READ 0x000c /* Max Memory Read Byte Count */
|
||||||
|
/* Max # of outstanding split transactions */
|
||||||
|
#define PCI_X_CMD_SPLIT_1 0x0000 /* Max 1 */
|
||||||
|
#define PCI_X_CMD_SPLIT_2 0x0010 /* Max 2 */
|
||||||
|
#define PCI_X_CMD_SPLIT_3 0x0020 /* Max 3 */
|
||||||
|
#define PCI_X_CMD_SPLIT_4 0x0030 /* Max 4 */
|
||||||
|
#define PCI_X_CMD_SPLIT_8 0x0040 /* Max 8 */
|
||||||
|
#define PCI_X_CMD_SPLIT_12 0x0050 /* Max 12 */
|
||||||
|
#define PCI_X_CMD_SPLIT_16 0x0060 /* Max 16 */
|
||||||
|
#define PCI_X_CMD_SPLIT_32 0x0070 /* Max 32 */
|
||||||
|
#define PCI_X_CMD_MAX_SPLIT 0x0070 /* Max Outstanding Split Transactions */
|
||||||
|
#define PCI_X_CMD_VERSION(x) (((x) >> 12) & 3) /* Version */
|
||||||
|
#define PCI_X_STATUS 4 /* PCI-X capabilities */
|
||||||
|
#define PCI_X_STATUS_DEVFN 0x000000ff /* A copy of devfn */
|
||||||
|
#define PCI_X_STATUS_BUS 0x0000ff00 /* A copy of bus nr */
|
||||||
|
#define PCI_X_STATUS_64BIT 0x00010000 /* 64-bit device */
|
||||||
|
#define PCI_X_STATUS_133MHZ 0x00020000 /* 133 MHz capable */
|
||||||
|
#define PCI_X_STATUS_SPL_DISC 0x00040000 /* Split Completion Discarded */
|
||||||
|
#define PCI_X_STATUS_UNX_SPL 0x00080000 /* Unexpected Split Completion */
|
||||||
|
#define PCI_X_STATUS_COMPLEX 0x00100000 /* Device Complexity */
|
||||||
|
#define PCI_X_STATUS_MAX_READ 0x00600000 /* Designed Max Memory Read Count */
|
||||||
|
#define PCI_X_STATUS_MAX_SPLIT 0x03800000 /* Designed Max Outstanding Split Transactions */
|
||||||
|
#define PCI_X_STATUS_MAX_CUM 0x1c000000 /* Designed Max Cumulative Read Size */
|
||||||
|
#define PCI_X_STATUS_SPL_ERR 0x20000000 /* Rcvd Split Completion Error Msg */
|
||||||
|
#define PCI_X_STATUS_266MHZ 0x40000000 /* 266 MHz capable */
|
||||||
|
#define PCI_X_STATUS_533MHZ 0x80000000 /* 533 MHz capable */
|
||||||
|
|
||||||
|
/* PCI Bridge Subsystem ID registers */
|
||||||
|
|
||||||
|
#define PCI_SSVID_VENDOR_ID 4 /* PCI-Bridge subsystem vendor id register */
|
||||||
|
#define PCI_SSVID_DEVICE_ID 6 /* PCI-Bridge subsystem device id register */
|
||||||
|
|
||||||
|
/* PCI Express capability registers */
|
||||||
|
|
||||||
|
#define PCI_EXP_FLAGS 2 /* Capabilities register */
|
||||||
|
#define PCI_EXP_FLAGS_VERS 0x000f /* Capability version */
|
||||||
|
#define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */
|
||||||
|
#define PCI_EXP_TYPE_ENDPOINT 0x0 /* Express Endpoint */
|
||||||
|
#define PCI_EXP_TYPE_LEG_END 0x1 /* Legacy Endpoint */
|
||||||
|
#define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
|
||||||
|
#define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */
|
||||||
|
#define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */
|
||||||
|
#define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */
|
||||||
|
#define PCI_EXP_TYPE_RC_END 0x9 /* Root Complex Integrated Endpoint */
|
||||||
|
#define PCI_EXP_TYPE_RC_EC 0x10 /* Root Complex Event Collector */
|
||||||
|
#define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */
|
||||||
|
#define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */
|
||||||
|
#define PCI_EXP_DEVCAP 4 /* Device capabilities */
|
||||||
|
#define PCI_EXP_DEVCAP_PAYLOAD 0x07 /* Max_Payload_Size */
|
||||||
|
#define PCI_EXP_DEVCAP_PHANTOM 0x18 /* Phantom functions */
|
||||||
|
#define PCI_EXP_DEVCAP_EXT_TAG 0x20 /* Extended tags */
|
||||||
|
#define PCI_EXP_DEVCAP_L0S 0x1c0 /* L0s Acceptable Latency */
|
||||||
|
#define PCI_EXP_DEVCAP_L1 0xe00 /* L1 Acceptable Latency */
|
||||||
|
#define PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */
|
||||||
|
#define PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present */
|
||||||
|
#define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */
|
||||||
|
#define PCI_EXP_DEVCAP_RBER 0x8000 /* Role-Based Error Reporting */
|
||||||
|
#define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */
|
||||||
|
#define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */
|
||||||
|
#define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */
|
||||||
|
#define PCI_EXP_DEVCTL 8 /* Device Control */
|
||||||
|
#define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */
|
||||||
|
#define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */
|
||||||
|
#define PCI_EXP_DEVCTL_FERE 0x0004 /* Fatal Error Reporting Enable */
|
||||||
|
#define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */
|
||||||
|
#define PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
|
||||||
|
#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */
|
||||||
|
#define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */
|
||||||
|
#define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */
|
||||||
|
#define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */
|
||||||
|
#define PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800 /* Enable No Snoop */
|
||||||
|
#define PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */
|
||||||
|
#define PCI_EXP_DEVCTL_BCR_FLR 0x8000 /* Bridge Configuration Retry / FLR */
|
||||||
|
#define PCI_EXP_DEVSTA 10 /* Device Status */
|
||||||
|
#define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */
|
||||||
|
#define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */
|
||||||
|
#define PCI_EXP_DEVSTA_FED 0x04 /* Fatal Error Detected */
|
||||||
|
#define PCI_EXP_DEVSTA_URD 0x08 /* Unsupported Request Detected */
|
||||||
|
#define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */
|
||||||
|
#define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */
|
||||||
|
#define PCI_EXP_LNKCAP 12 /* Link Capabilities */
|
||||||
|
#define PCI_EXP_LNKCAP_SLS 0x0000000f /* Supported Link Speeds */
|
||||||
|
#define PCI_EXP_LNKCAP_MLW 0x000003f0 /* Maximum Link Width */
|
||||||
|
#define PCI_EXP_LNKCAP_ASPMS 0x00000c00 /* ASPM Support */
|
||||||
|
#define PCI_EXP_LNKCAP_L0SEL 0x00007000 /* L0s Exit Latency */
|
||||||
|
#define PCI_EXP_LNKCAP_L1EL 0x00038000 /* L1 Exit Latency */
|
||||||
|
#define PCI_EXP_LNKCAP_CLKPM 0x00040000 /* L1 Clock Power Management */
|
||||||
|
#define PCI_EXP_LNKCAP_SDERC 0x00080000 /* Suprise Down Error Reporting Capable */
|
||||||
|
#define PCI_EXP_LNKCAP_DLLLARC 0x00100000 /* Data Link Layer Link Active Reporting Capable */
|
||||||
|
#define PCI_EXP_LNKCAP_LBNC 0x00200000 /* Link Bandwidth Notification Capability */
|
||||||
|
#define PCI_EXP_LNKCAP_PN 0xff000000 /* Port Number */
|
||||||
|
#define PCI_EXP_LNKCTL 16 /* Link Control */
|
||||||
|
#define PCI_EXP_LNKCTL_ASPMC 0x0003 /* ASPM Control */
|
||||||
|
#define PCI_EXP_LNKCTL_RCB 0x0008 /* Read Completion Boundary */
|
||||||
|
#define PCI_EXP_LNKCTL_LD 0x0010 /* Link Disable */
|
||||||
|
#define PCI_EXP_LNKCTL_RL 0x0020 /* Retrain Link */
|
||||||
|
#define PCI_EXP_LNKCTL_CCC 0x0040 /* Common Clock Configuration */
|
||||||
|
#define PCI_EXP_LNKCTL_ES 0x0080 /* Extended Synch */
|
||||||
|
#define PCI_EXP_LNKCTL_CLKREQ_EN 0x100 /* Enable clkreq */
|
||||||
|
#define PCI_EXP_LNKCTL_HAWD 0x0200 /* Hardware Autonomous Width Disable */
|
||||||
|
#define PCI_EXP_LNKCTL_LBMIE 0x0400 /* Link Bandwidth Management Interrupt Enable */
|
||||||
|
#define PCI_EXP_LNKCTL_LABIE 0x0800 /* Lnk Autonomous Bandwidth Interrupt Enable */
|
||||||
|
#define PCI_EXP_LNKSTA 18 /* Link Status */
|
||||||
|
#define PCI_EXP_LNKSTA_CLS 0x000f /* Current Link Speed */
|
||||||
|
#define PCI_EXP_LNKSTA_CLS_2_5GB 0x01 /* Current Link Speed 2.5GT/s */
|
||||||
|
#define PCI_EXP_LNKSTA_CLS_5_0GB 0x02 /* Current Link Speed 5.0GT/s */
|
||||||
|
#define PCI_EXP_LNKSTA_NLW 0x03f0 /* Nogotiated Link Width */
|
||||||
|
#define PCI_EXP_LNKSTA_NLW_SHIFT 4 /* start of NLW mask in link status */
|
||||||
|
#define PCI_EXP_LNKSTA_LT 0x0800 /* Link Training */
|
||||||
|
#define PCI_EXP_LNKSTA_SLC 0x1000 /* Slot Clock Configuration */
|
||||||
|
#define PCI_EXP_LNKSTA_DLLLA 0x2000 /* Data Link Layer Link Active */
|
||||||
|
#define PCI_EXP_LNKSTA_LBMS 0x4000 /* Link Bandwidth Management Status */
|
||||||
|
#define PCI_EXP_LNKSTA_LABS 0x8000 /* Link Autonomous Bandwidth Status */
|
||||||
|
#define PCI_EXP_SLTCAP 20 /* Slot Capabilities */
|
||||||
|
#define PCI_EXP_SLTCAP_ABP 0x00000001 /* Attention Button Present */
|
||||||
|
#define PCI_EXP_SLTCAP_PCP 0x00000002 /* Power Controller Present */
|
||||||
|
#define PCI_EXP_SLTCAP_MRLSP 0x00000004 /* MRL Sensor Present */
|
||||||
|
#define PCI_EXP_SLTCAP_AIP 0x00000008 /* Attention Indicator Present */
|
||||||
|
#define PCI_EXP_SLTCAP_PIP 0x00000010 /* Power Indicator Present */
|
||||||
|
#define PCI_EXP_SLTCAP_HPS 0x00000020 /* Hot-Plug Surprise */
|
||||||
|
#define PCI_EXP_SLTCAP_HPC 0x00000040 /* Hot-Plug Capable */
|
||||||
|
#define PCI_EXP_SLTCAP_SPLV 0x00007f80 /* Slot Power Limit Value */
|
||||||
|
#define PCI_EXP_SLTCAP_SPLS 0x00018000 /* Slot Power Limit Scale */
|
||||||
|
#define PCI_EXP_SLTCAP_EIP 0x00020000 /* Electromechanical Interlock Present */
|
||||||
|
#define PCI_EXP_SLTCAP_NCCS 0x00040000 /* No Command Completed Support */
|
||||||
|
#define PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */
|
||||||
|
#define PCI_EXP_SLTCTL 24 /* Slot Control */
|
||||||
|
#define PCI_EXP_SLTCTL_ABPE 0x0001 /* Attention Button Pressed Enable */
|
||||||
|
#define PCI_EXP_SLTCTL_PFDE 0x0002 /* Power Fault Detected Enable */
|
||||||
|
#define PCI_EXP_SLTCTL_MRLSCE 0x0004 /* MRL Sensor Changed Enable */
|
||||||
|
#define PCI_EXP_SLTCTL_PDCE 0x0008 /* Presence Detect Changed Enable */
|
||||||
|
#define PCI_EXP_SLTCTL_CCIE 0x0010 /* Command Completed Interrupt Enable */
|
||||||
|
#define PCI_EXP_SLTCTL_HPIE 0x0020 /* Hot-Plug Interrupt Enable */
|
||||||
|
#define PCI_EXP_SLTCTL_AIC 0x00c0 /* Attention Indicator Control */
|
||||||
|
#define PCI_EXP_SLTCTL_PIC 0x0300 /* Power Indicator Control */
|
||||||
|
#define PCI_EXP_SLTCTL_PCC 0x0400 /* Power Controller Control */
|
||||||
|
#define PCI_EXP_SLTCTL_EIC 0x0800 /* Electromechanical Interlock Control */
|
||||||
|
#define PCI_EXP_SLTCTL_DLLSCE 0x1000 /* Data Link Layer State Changed Enable */
|
||||||
|
#define PCI_EXP_SLTSTA 26 /* Slot Status */
|
||||||
|
#define PCI_EXP_SLTSTA_ABP 0x0001 /* Attention Button Pressed */
|
||||||
|
#define PCI_EXP_SLTSTA_PFD 0x0002 /* Power Fault Detected */
|
||||||
|
#define PCI_EXP_SLTSTA_MRLSC 0x0004 /* MRL Sensor Changed */
|
||||||
|
#define PCI_EXP_SLTSTA_PDC 0x0008 /* Presence Detect Changed */
|
||||||
|
#define PCI_EXP_SLTSTA_CC 0x0010 /* Command Completed */
|
||||||
|
#define PCI_EXP_SLTSTA_MRLSS 0x0020 /* MRL Sensor State */
|
||||||
|
#define PCI_EXP_SLTSTA_PDS 0x0040 /* Presence Detect State */
|
||||||
|
#define PCI_EXP_SLTSTA_EIS 0x0080 /* Electromechanical Interlock Status */
|
||||||
|
#define PCI_EXP_SLTSTA_DLLSC 0x0100 /* Data Link Layer State Changed */
|
||||||
|
#define PCI_EXP_RTCTL 28 /* Root Control */
|
||||||
|
#define PCI_EXP_RTCTL_SECEE 0x01 /* System Error on Correctable Error */
|
||||||
|
#define PCI_EXP_RTCTL_SENFEE 0x02 /* System Error on Non-Fatal Error */
|
||||||
|
#define PCI_EXP_RTCTL_SEFEE 0x04 /* System Error on Fatal Error */
|
||||||
|
#define PCI_EXP_RTCTL_PMEIE 0x08 /* PME Interrupt Enable */
|
||||||
|
#define PCI_EXP_RTCTL_CRSSVE 0x10 /* CRS Software Visibility Enable */
|
||||||
|
#define PCI_EXP_RTCAP 30 /* Root Capabilities */
|
||||||
|
#define PCI_EXP_RTSTA 32 /* Root Status */
|
||||||
|
#define PCI_EXP_DEVCAP2 36 /* Device Capabilities 2 */
|
||||||
|
#define PCI_EXP_DEVCAP2_ARI 0x20 /* Alternative Routing-ID */
|
||||||
|
#define PCI_EXP_DEVCTL2 40 /* Device Control 2 */
|
||||||
|
#define PCI_EXP_DEVCTL2_ARI 0x20 /* Alternative Routing-ID */
|
||||||
|
#define PCI_EXP_LNKCTL2 48 /* Link Control 2 */
|
||||||
|
#define PCI_EXP_SLTCTL2 56 /* Slot Control 2 */
|
||||||
|
|
||||||
|
/* Extended Capabilities (PCI-X 2.0 and Express) */
|
||||||
|
#define PCI_EXT_CAP_ID(header) (header & 0x0000ffff)
|
||||||
|
#define PCI_EXT_CAP_VER(header) ((header >> 16) & 0xf)
|
||||||
|
#define PCI_EXT_CAP_NEXT(header) ((header >> 20) & 0xffc)
|
||||||
|
|
||||||
|
#define PCI_EXT_CAP_ID_ERR 1
|
||||||
|
#define PCI_EXT_CAP_ID_VC 2
|
||||||
|
#define PCI_EXT_CAP_ID_DSN 3
|
||||||
|
#define PCI_EXT_CAP_ID_PWR 4
|
||||||
|
#define PCI_EXT_CAP_ID_VNDR 11
|
||||||
|
#define PCI_EXT_CAP_ID_ACS 13
|
||||||
|
#define PCI_EXT_CAP_ID_ARI 14
|
||||||
|
#define PCI_EXT_CAP_ID_ATS 15
|
||||||
|
#define PCI_EXT_CAP_ID_SRIOV 16
|
||||||
|
|
||||||
|
/* Advanced Error Reporting */
|
||||||
|
#define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */
|
||||||
|
#define PCI_ERR_UNC_TRAIN 0x00000001 /* Training */
|
||||||
|
#define PCI_ERR_UNC_DLP 0x00000010 /* Data Link Protocol */
|
||||||
|
#define PCI_ERR_UNC_POISON_TLP 0x00001000 /* Poisoned TLP */
|
||||||
|
#define PCI_ERR_UNC_FCP 0x00002000 /* Flow Control Protocol */
|
||||||
|
#define PCI_ERR_UNC_COMP_TIME 0x00004000 /* Completion Timeout */
|
||||||
|
#define PCI_ERR_UNC_COMP_ABORT 0x00008000 /* Completer Abort */
|
||||||
|
#define PCI_ERR_UNC_UNX_COMP 0x00010000 /* Unexpected Completion */
|
||||||
|
#define PCI_ERR_UNC_RX_OVER 0x00020000 /* Receiver Overflow */
|
||||||
|
#define PCI_ERR_UNC_MALF_TLP 0x00040000 /* Malformed TLP */
|
||||||
|
#define PCI_ERR_UNC_ECRC 0x00080000 /* ECRC Error Status */
|
||||||
|
#define PCI_ERR_UNC_UNSUP 0x00100000 /* Unsupported Request */
|
||||||
|
#define PCI_ERR_UNCOR_MASK 8 /* Uncorrectable Error Mask */
|
||||||
|
/* Same bits as above */
|
||||||
|
#define PCI_ERR_UNCOR_SEVER 12 /* Uncorrectable Error Severity */
|
||||||
|
/* Same bits as above */
|
||||||
|
#define PCI_ERR_COR_STATUS 16 /* Correctable Error Status */
|
||||||
|
#define PCI_ERR_COR_RCVR 0x00000001 /* Receiver Error Status */
|
||||||
|
#define PCI_ERR_COR_BAD_TLP 0x00000040 /* Bad TLP Status */
|
||||||
|
#define PCI_ERR_COR_BAD_DLLP 0x00000080 /* Bad DLLP Status */
|
||||||
|
#define PCI_ERR_COR_REP_ROLL 0x00000100 /* REPLAY_NUM Rollover */
|
||||||
|
#define PCI_ERR_COR_REP_TIMER 0x00001000 /* Replay Timer Timeout */
|
||||||
|
#define PCI_ERR_COR_MASK 20 /* Correctable Error Mask */
|
||||||
|
/* Same bits as above */
|
||||||
|
#define PCI_ERR_CAP 24 /* Advanced Error Capabilities */
|
||||||
|
#define PCI_ERR_CAP_FEP(x) ((x) & 31) /* First Error Pointer */
|
||||||
|
#define PCI_ERR_CAP_ECRC_GENC 0x00000020 /* ECRC Generation Capable */
|
||||||
|
#define PCI_ERR_CAP_ECRC_GENE 0x00000040 /* ECRC Generation Enable */
|
||||||
|
#define PCI_ERR_CAP_ECRC_CHKC 0x00000080 /* ECRC Check Capable */
|
||||||
|
#define PCI_ERR_CAP_ECRC_CHKE 0x00000100 /* ECRC Check Enable */
|
||||||
|
#define PCI_ERR_HEADER_LOG 28 /* Header Log Register (16 bytes) */
|
||||||
|
#define PCI_ERR_ROOT_COMMAND 44 /* Root Error Command */
|
||||||
|
/* Correctable Err Reporting Enable */
|
||||||
|
#define PCI_ERR_ROOT_CMD_COR_EN 0x00000001
|
||||||
|
/* Non-fatal Err Reporting Enable */
|
||||||
|
#define PCI_ERR_ROOT_CMD_NONFATAL_EN 0x00000002
|
||||||
|
/* Fatal Err Reporting Enable */
|
||||||
|
#define PCI_ERR_ROOT_CMD_FATAL_EN 0x00000004
|
||||||
|
#define PCI_ERR_ROOT_STATUS 48
|
||||||
|
#define PCI_ERR_ROOT_COR_RCV 0x00000001 /* ERR_COR Received */
|
||||||
|
/* Multi ERR_COR Received */
|
||||||
|
#define PCI_ERR_ROOT_MULTI_COR_RCV 0x00000002
|
||||||
|
/* ERR_FATAL/NONFATAL Recevied */
|
||||||
|
#define PCI_ERR_ROOT_UNCOR_RCV 0x00000004
|
||||||
|
/* Multi ERR_FATAL/NONFATAL Recevied */
|
||||||
|
#define PCI_ERR_ROOT_MULTI_UNCOR_RCV 0x00000008
|
||||||
|
#define PCI_ERR_ROOT_FIRST_FATAL 0x00000010 /* First Fatal */
|
||||||
|
#define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020 /* Non-Fatal Received */
|
||||||
|
#define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Received */
|
||||||
|
#define PCI_ERR_ROOT_ERR_SRC 52 /* Error Source Identification */
|
||||||
|
|
||||||
|
/* Virtual Channel */
|
||||||
|
#define PCI_VC_PORT_REG1 4
|
||||||
|
#define PCI_VC_PORT_REG2 8
|
||||||
|
#define PCI_VC_PORT_CTRL 12
|
||||||
|
#define PCI_VC_PORT_STATUS 14
|
||||||
|
#define PCI_VC_RES_CAP 16
|
||||||
|
#define PCI_VC_RES_CTRL 20
|
||||||
|
#define PCI_VC_RES_STATUS 26
|
||||||
|
|
||||||
|
/* Power Budgeting */
|
||||||
|
#define PCI_PWR_DSR 4 /* Data Select Register */
|
||||||
|
#define PCI_PWR_DATA 8 /* Data Register */
|
||||||
|
#define PCI_PWR_DATA_BASE(x) ((x) & 0xff) /* Base Power */
|
||||||
|
#define PCI_PWR_DATA_SCALE(x) (((x) >> 8) & 3) /* Data Scale */
|
||||||
|
#define PCI_PWR_DATA_PM_SUB(x) (((x) >> 10) & 7) /* PM Sub State */
|
||||||
|
#define PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
|
||||||
|
#define PCI_PWR_DATA_TYPE(x) (((x) >> 15) & 7) /* Type */
|
||||||
|
#define PCI_PWR_DATA_RAIL(x) (((x) >> 18) & 7) /* Power Rail */
|
||||||
|
#define PCI_PWR_CAP 12 /* Capability */
|
||||||
|
#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Hypertransport sub capability types
|
||||||
|
*
|
||||||
|
* Unfortunately there are both 3 bit and 5 bit capability types defined
|
||||||
|
* in the HT spec, catering for that is a little messy. You probably don't
|
||||||
|
* want to use these directly, just use pci_find_ht_capability() and it
|
||||||
|
* will do the right thing for you.
|
||||||
|
*/
|
||||||
|
#define HT_3BIT_CAP_MASK 0xE0
|
||||||
|
#define HT_CAPTYPE_SLAVE 0x00 /* Slave/Primary link configuration */
|
||||||
|
#define HT_CAPTYPE_HOST 0x20 /* Host/Secondary link configuration */
|
||||||
|
|
||||||
|
#define HT_5BIT_CAP_MASK 0xF8
|
||||||
|
#define HT_CAPTYPE_IRQ 0x80 /* IRQ Configuration */
|
||||||
|
#define HT_CAPTYPE_REMAPPING_40 0xA0 /* 40 bit address remapping */
|
||||||
|
#define HT_CAPTYPE_REMAPPING_64 0xA2 /* 64 bit address remapping */
|
||||||
|
#define HT_CAPTYPE_UNITID_CLUMP 0x90 /* Unit ID clumping */
|
||||||
|
#define HT_CAPTYPE_EXTCONF 0x98 /* Extended Configuration Space Access */
|
||||||
|
#define HT_CAPTYPE_MSI_MAPPING 0xA8 /* MSI Mapping Capability */
|
||||||
|
#define HT_MSI_FLAGS 0x02 /* Offset to flags */
|
||||||
|
#define HT_MSI_FLAGS_ENABLE 0x1 /* Mapping enable */
|
||||||
|
#define HT_MSI_FLAGS_FIXED 0x2 /* Fixed mapping only */
|
||||||
|
#define HT_MSI_FIXED_ADDR 0x00000000FEE00000ULL /* Fixed addr */
|
||||||
|
#define HT_MSI_ADDR_LO 0x04 /* Offset to low addr bits */
|
||||||
|
#define HT_MSI_ADDR_LO_MASK 0xFFF00000 /* Low address bit mask */
|
||||||
|
#define HT_MSI_ADDR_HI 0x08 /* Offset to high addr bits */
|
||||||
|
#define HT_CAPTYPE_DIRECT_ROUTE 0xB0 /* Direct routing configuration */
|
||||||
|
#define HT_CAPTYPE_VCSET 0xB8 /* Virtual Channel configuration */
|
||||||
|
#define HT_CAPTYPE_ERROR_RETRY 0xC0 /* Retry on error configuration */
|
||||||
|
#define HT_CAPTYPE_GEN3 0xD0 /* Generation 3 hypertransport configuration */
|
||||||
|
#define HT_CAPTYPE_PM 0xE0 /* Hypertransport powermanagement configuration */
|
||||||
|
|
||||||
|
/* Alternative Routing-ID Interpretation */
|
||||||
|
#define PCI_ARI_CAP 0x04 /* ARI Capability Register */
|
||||||
|
#define PCI_ARI_CAP_MFVC 0x0001 /* MFVC Function Groups Capability */
|
||||||
|
#define PCI_ARI_CAP_ACS 0x0002 /* ACS Function Groups Capability */
|
||||||
|
#define PCI_ARI_CAP_NFN(x) (((x) >> 8) & 0xff) /* Next Function Number */
|
||||||
|
#define PCI_ARI_CTRL 0x06 /* ARI Control Register */
|
||||||
|
#define PCI_ARI_CTRL_MFVC 0x0001 /* MFVC Function Groups Enable */
|
||||||
|
#define PCI_ARI_CTRL_ACS 0x0002 /* ACS Function Groups Enable */
|
||||||
|
#define PCI_ARI_CTRL_FG(x) (((x) >> 4) & 7) /* Function Group */
|
||||||
|
|
||||||
|
/* Address Translation Service */
|
||||||
|
#define PCI_ATS_CAP 0x04 /* ATS Capability Register */
|
||||||
|
#define PCI_ATS_CAP_QDEP(x) ((x) & 0x1f) /* Invalidate Queue Depth */
|
||||||
|
#define PCI_ATS_MAX_QDEP 32 /* Max Invalidate Queue Depth */
|
||||||
|
#define PCI_ATS_CTRL 0x06 /* ATS Control Register */
|
||||||
|
#define PCI_ATS_CTRL_ENABLE 0x8000 /* ATS Enable */
|
||||||
|
#define PCI_ATS_CTRL_STU(x) ((x) & 0x1f) /* Smallest Translation Unit */
|
||||||
|
#define PCI_ATS_MIN_STU 12 /* shift of minimum STU block */
|
||||||
|
|
||||||
|
/* Single Root I/O Virtualization */
|
||||||
|
#define PCI_SRIOV_CAP 0x04 /* SR-IOV Capabilities */
|
||||||
|
#define PCI_SRIOV_CAP_VFM 0x01 /* VF Migration Capable */
|
||||||
|
#define PCI_SRIOV_CAP_INTR(x) ((x) >> 21) /* Interrupt Message Number */
|
||||||
|
#define PCI_SRIOV_CTRL 0x08 /* SR-IOV Control */
|
||||||
|
#define PCI_SRIOV_CTRL_VFE 0x01 /* VF Enable */
|
||||||
|
#define PCI_SRIOV_CTRL_VFM 0x02 /* VF Migration Enable */
|
||||||
|
#define PCI_SRIOV_CTRL_INTR 0x04 /* VF Migration Interrupt Enable */
|
||||||
|
#define PCI_SRIOV_CTRL_MSE 0x08 /* VF Memory Space Enable */
|
||||||
|
#define PCI_SRIOV_CTRL_ARI 0x10 /* ARI Capable Hierarchy */
|
||||||
|
#define PCI_SRIOV_STATUS 0x0a /* SR-IOV Status */
|
||||||
|
#define PCI_SRIOV_STATUS_VFM 0x01 /* VF Migration Status */
|
||||||
|
#define PCI_SRIOV_INITIAL_VF 0x0c /* Initial VFs */
|
||||||
|
#define PCI_SRIOV_TOTAL_VF 0x0e /* Total VFs */
|
||||||
|
#define PCI_SRIOV_NUM_VF 0x10 /* Number of VFs */
|
||||||
|
#define PCI_SRIOV_FUNC_LINK 0x12 /* Function Dependency Link */
|
||||||
|
#define PCI_SRIOV_VF_OFFSET 0x14 /* First VF Offset */
|
||||||
|
#define PCI_SRIOV_VF_STRIDE 0x16 /* Following VF Stride */
|
||||||
|
#define PCI_SRIOV_VF_DID 0x1a /* VF Device ID */
|
||||||
|
#define PCI_SRIOV_SUP_PGSIZE 0x1c /* Supported Page Sizes */
|
||||||
|
#define PCI_SRIOV_SYS_PGSIZE 0x20 /* System Page Size */
|
||||||
|
#define PCI_SRIOV_BAR 0x24 /* VF BAR0 */
|
||||||
|
#define PCI_SRIOV_NUM_BARS 6 /* Number of VF BARs */
|
||||||
|
#define PCI_SRIOV_VFM 0x3c /* VF Migration State Array Offset*/
|
||||||
|
#define PCI_SRIOV_VFM_BIR(x) ((x) & 7) /* State BIR */
|
||||||
|
#define PCI_SRIOV_VFM_OFFSET(x) ((x) & ~7) /* State Offset */
|
||||||
|
#define PCI_SRIOV_VFM_UA 0x0 /* Inactive.Unavailable */
|
||||||
|
#define PCI_SRIOV_VFM_MI 0x1 /* Dormant.MigrateIn */
|
||||||
|
#define PCI_SRIOV_VFM_MO 0x2 /* Active.MigrateOut */
|
||||||
|
#define PCI_SRIOV_VFM_AV 0x3 /* Active.Available */
|
||||||
|
|
||||||
|
/* Access Control Service */
|
||||||
|
#define PCI_ACS_CAP 0x04 /* ACS Capability Register */
|
||||||
|
#define PCI_ACS_SV 0x01 /* Source Validation */
|
||||||
|
#define PCI_ACS_TB 0x02 /* Translation Blocking */
|
||||||
|
#define PCI_ACS_RR 0x04 /* P2P Request Redirect */
|
||||||
|
#define PCI_ACS_CR 0x08 /* P2P Completion Redirect */
|
||||||
|
#define PCI_ACS_UF 0x10 /* Upstream Forwarding */
|
||||||
|
#define PCI_ACS_EC 0x20 /* P2P Egress Control */
|
||||||
|
#define PCI_ACS_DT 0x40 /* Direct Translated P2P */
|
||||||
|
#define PCI_ACS_CTRL 0x06 /* ACS Control Register */
|
||||||
|
#define PCI_ACS_EGRESS_CTL_V 0x08 /* ACS Egress Control Vector */
|
||||||
|
|
||||||
|
#endif /* LINUX_PCI_REGS_H */
|
||||||
Loading…
Reference in New Issue
Block a user