From 315a1350c4a386065a73aad2ded1a11d77bf7771 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Wed, 12 Dec 2012 13:32:14 +0200 Subject: pci: move pci core code to hw/pci Move files and modify makefiles to pick them at the new location. Signed-off-by: Michael S. Tsirkin --- hw/pci/pcie_port.c | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 hw/pci/pcie_port.c (limited to 'hw/pci/pcie_port.c') diff --git a/hw/pci/pcie_port.c b/hw/pci/pcie_port.c new file mode 100644 index 0000000000..d6350e5e73 --- /dev/null +++ b/hw/pci/pcie_port.c @@ -0,0 +1,114 @@ +/* + * pcie_port.c + * + * Copyright (c) 2010 Isaku Yamahata + * VA Linux Systems Japan K.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see . + */ + +#include "pcie_port.h" + +void pcie_port_init_reg(PCIDevice *d) +{ + /* Unlike pci bridge, + 66MHz and fast back to back don't apply to pci express port. */ + pci_set_word(d->config + PCI_STATUS, 0); + pci_set_word(d->config + PCI_SEC_STATUS, 0); + + /* Unlike conventional pci bridge, some bits are hardwired to 0. */ + pci_set_word(d->wmask + PCI_BRIDGE_CONTROL, + PCI_BRIDGE_CTL_PARITY | + PCI_BRIDGE_CTL_ISA | + PCI_BRIDGE_CTL_VGA | + PCI_BRIDGE_CTL_SERR | + PCI_BRIDGE_CTL_BUS_RESET); +} + +/************************************************************************** + * (chassis number, pcie physical slot number) -> pcie slot conversion + */ +struct PCIEChassis { + uint8_t number; + + QLIST_HEAD(, PCIESlot) slots; + QLIST_ENTRY(PCIEChassis) next; +}; + +static QLIST_HEAD(, PCIEChassis) chassis = QLIST_HEAD_INITIALIZER(chassis); + +static struct PCIEChassis *pcie_chassis_find(uint8_t chassis_number) +{ + struct PCIEChassis *c; + QLIST_FOREACH(c, &chassis, next) { + if (c->number == chassis_number) { + break; + } + } + return c; +} + +void pcie_chassis_create(uint8_t chassis_number) +{ + struct PCIEChassis *c; + c = pcie_chassis_find(chassis_number); + if (c) { + return; + } + c = g_malloc0(sizeof(*c)); + c->number = chassis_number; + QLIST_INIT(&c->slots); + QLIST_INSERT_HEAD(&chassis, c, next); +} + +static PCIESlot *pcie_chassis_find_slot_with_chassis(struct PCIEChassis *c, + uint8_t slot) +{ + PCIESlot *s; + QLIST_FOREACH(s, &c->slots, next) { + if (s->slot == slot) { + break; + } + } + return s; +} + +PCIESlot *pcie_chassis_find_slot(uint8_t chassis_number, uint16_t slot) +{ + struct PCIEChassis *c; + c = pcie_chassis_find(chassis_number); + if (!c) { + return NULL; + } + return pcie_chassis_find_slot_with_chassis(c, slot); +} + +int pcie_chassis_add_slot(struct PCIESlot *slot) +{ + struct PCIEChassis *c; + c = pcie_chassis_find(slot->chassis); + if (!c) { + return -ENODEV; + } + if (pcie_chassis_find_slot_with_chassis(c, slot->slot)) { + return -EBUSY; + } + QLIST_INSERT_HEAD(&c->slots, slot, next); + return 0; +} + +void pcie_chassis_del_slot(PCIESlot *s) +{ + QLIST_REMOVE(s, next); +} -- cgit v1.2.3 From c759b24fae08c6c333df03e1db48e13b7f5eda30 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Wed, 12 Dec 2012 23:05:42 +0200 Subject: pci: fix path for local includes Include dependencies from pci core using the correct path. This is required now that it's in the separate directory. Need to check whether they can be minimized, for now, keep the code as is. Signed-off-by: Michael S. Tsirkin --- hw/pci/pcie_port.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'hw/pci/pcie_port.c') diff --git a/hw/pci/pcie_port.c b/hw/pci/pcie_port.c index d6350e5e73..33a6b0a08a 100644 --- a/hw/pci/pcie_port.c +++ b/hw/pci/pcie_port.c @@ -18,7 +18,7 @@ * with this program; if not, see . */ -#include "pcie_port.h" +#include "hw/pci/pcie_port.h" void pcie_port_init_reg(PCIDevice *d) { -- cgit v1.2.3