Revision bc20ba98
b/Makefile.objs | ||
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# PCI watchdog devices |
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hw-obj-y += wdt_i6300esb.o |
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hw-obj-y += pcie.o |
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hw-obj-y += pcie.o pcie_port.o
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hw-obj-y += msix.o msi.o |
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# PCI network cards |
b/hw/pcie_port.c | ||
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/* |
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* pcie_port.c |
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* |
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* Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp> |
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* VA Linux Systems Japan K.K. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, see <http://www.gnu.org/licenses/>. |
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*/ |
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|
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#include "pcie_port.h" |
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|
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void pcie_port_init_reg(PCIDevice *d) |
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{ |
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/* Unlike pci bridge, |
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66MHz and fast back to back don't apply to pci express port. */ |
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pci_set_word(d->config + PCI_STATUS, 0); |
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pci_set_word(d->config + PCI_SEC_STATUS, 0); |
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|
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/* 7.5.3.5 Prefetchable Memory Base Limit |
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* The Prefetchable Memory Base and Prefetchable Memory Limit registers |
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* must indicate that 64-bit addresses are supported, as defined in |
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* PCI-to-PCI Bridge Architecture Specification, Revision 1.2. |
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*/ |
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pci_word_test_and_set_mask(d->config + PCI_PREF_MEMORY_BASE, |
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PCI_PREF_RANGE_TYPE_64); |
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pci_word_test_and_set_mask(d->config + PCI_PREF_MEMORY_LIMIT, |
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PCI_PREF_RANGE_TYPE_64); |
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} |
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|
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/************************************************************************** |
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* (chassis number, pcie physical slot number) -> pcie slot conversion |
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*/ |
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struct PCIEChassis { |
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uint8_t number; |
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|
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QLIST_HEAD(, PCIESlot) slots; |
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QLIST_ENTRY(PCIEChassis) next; |
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}; |
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|
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static QLIST_HEAD(, PCIEChassis) chassis = QLIST_HEAD_INITIALIZER(chassis); |
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static struct PCIEChassis *pcie_chassis_find(uint8_t chassis_number) |
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{ |
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struct PCIEChassis *c; |
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QLIST_FOREACH(c, &chassis, next) { |
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if (c->number == chassis_number) { |
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break; |
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} |
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} |
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return c; |
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} |
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|
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void pcie_chassis_create(uint8_t chassis_number) |
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{ |
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struct PCIEChassis *c; |
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c = pcie_chassis_find(chassis_number); |
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if (c) { |
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return; |
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} |
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c = qemu_mallocz(sizeof(*c)); |
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c->number = chassis_number; |
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QLIST_INIT(&c->slots); |
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QLIST_INSERT_HEAD(&chassis, c, next); |
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} |
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static PCIESlot *pcie_chassis_find_slot_with_chassis(struct PCIEChassis *c, |
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uint8_t slot) |
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{ |
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PCIESlot *s; |
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QLIST_FOREACH(s, &c->slots, next) { |
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if (s->slot == slot) { |
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break; |
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} |
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} |
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return s; |
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} |
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|
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PCIESlot *pcie_chassis_find_slot(uint8_t chassis_number, uint16_t slot) |
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{ |
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struct PCIEChassis *c; |
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c = pcie_chassis_find(chassis_number); |
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if (!c) { |
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return NULL; |
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} |
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return pcie_chassis_find_slot_with_chassis(c, slot); |
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} |
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int pcie_chassis_add_slot(struct PCIESlot *slot) |
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{ |
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struct PCIEChassis *c; |
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c = pcie_chassis_find(slot->chassis); |
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if (!c) { |
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return -ENODEV; |
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} |
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if (pcie_chassis_find_slot_with_chassis(c, slot->slot)) { |
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return -EBUSY; |
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} |
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QLIST_INSERT_HEAD(&c->slots, slot, next); |
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return 0; |
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} |
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void pcie_chassis_del_slot(PCIESlot *s) |
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{ |
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QLIST_REMOVE(s, next); |
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} |
b/hw/pcie_port.h | ||
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/* |
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* pcie_port.h |
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* |
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* Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp> |
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* VA Linux Systems Japan K.K. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, see <http://www.gnu.org/licenses/>. |
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*/ |
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|
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#ifndef QEMU_PCIE_PORT_H |
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#define QEMU_PCIE_PORT_H |
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#include "pci_bridge.h" |
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#include "pci_internals.h" |
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|
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struct PCIEPort { |
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PCIBridge br; |
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/* pci express switch port */ |
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uint8_t port; |
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}; |
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void pcie_port_init_reg(PCIDevice *d); |
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struct PCIESlot { |
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PCIEPort port; |
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/* pci express switch port with slot */ |
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uint8_t chassis; |
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uint16_t slot; |
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QLIST_ENTRY(PCIESlot) next; |
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}; |
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|
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void pcie_chassis_create(uint8_t chassis_number); |
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void pcie_main_chassis_create(void); |
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PCIESlot *pcie_chassis_find_slot(uint8_t chassis, uint16_t slot); |
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int pcie_chassis_add_slot(struct PCIESlot *slot); |
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void pcie_chassis_del_slot(PCIESlot *s); |
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|
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#endif /* QEMU_PCIE_PORT_H */ |
b/qemu-common.h | ||
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typedef struct PCIDevice PCIDevice; |
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typedef struct PCIExpressDevice PCIExpressDevice; |
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typedef struct PCIBridge PCIBridge; |
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typedef struct PCIEPort PCIEPort; |
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typedef struct PCIESlot PCIESlot; |
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typedef struct SerialState SerialState; |
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typedef struct IRQState *qemu_irq; |
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typedef struct PCMCIACardState PCMCIACardState; |
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