From 5a11d0f7549e24a10e178a9dc8ff5e698031d9a6 Mon Sep 17 00:00:00 2001 From: Cao jin Date: Sun, 17 Jan 2016 20:13:15 +0800 Subject: [PATCH] Xen PCI passthru: convert to realize() Signed-off-by: Cao jin Reviewed-by: Eric Blake Reviewed-by: Stefano Stabellini --- hw/xen/xen_pt.c | 53 ++++++++++++++++++++++++++++------------------------- 1 file changed, 28 insertions(+), 25 deletions(-) diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c index 9eef3dfef2..d33221be0e 100644 --- a/hw/xen/xen_pt.c +++ b/hw/xen/xen_pt.c @@ -760,10 +760,10 @@ static void xen_pt_destroy(PCIDevice *d) { } /* init */ -static int xen_pt_initfn(PCIDevice *d) +static void xen_pt_realize(PCIDevice *d, Error **errp) { XenPCIPassthroughState *s = XEN_PT_DEVICE(d); - int rc = 0; + int i, rc = 0; uint8_t machine_irq = 0, scratch; uint16_t cmd = 0; int pirq = XEN_PT_UNASSIGNED_PIRQ; @@ -781,8 +781,8 @@ static int xen_pt_initfn(PCIDevice *d) &err); if (err) { error_append_hint(&err, "Failed to \"open\" the real pci device"); - error_report_err(err); - return -1; + error_propagate(errp, err); + return; } s->is_virtfn = s->real_device.is_virtfn; @@ -802,19 +802,19 @@ static int xen_pt_initfn(PCIDevice *d) if ((s->real_device.domain == 0) && (s->real_device.bus == 0) && (s->real_device.dev == 2) && (s->real_device.func == 0)) { if (!is_igd_vga_passthrough(&s->real_device)) { - XEN_PT_ERR(d, "Need to enable igd-passthru if you're trying" - " to passthrough IGD GFX.\n"); + error_setg(errp, "Need to enable igd-passthru if you're trying" + " to passthrough IGD GFX"); xen_host_pci_device_put(&s->real_device); - return -1; + return; } xen_pt_setup_vga(s, &s->real_device, &err); if (err) { error_append_hint(&err, "Setup VGA BIOS of passthrough" " GFX failed"); - error_report_err(err); + error_propagate(errp, err); xen_host_pci_device_put(&s->real_device); - return -1; + return; } /* Register ISA bridge for passthrough GFX. */ @@ -836,20 +836,19 @@ static int xen_pt_initfn(PCIDevice *d) /* Bind interrupt */ rc = xen_host_pci_get_byte(&s->real_device, PCI_INTERRUPT_PIN, &scratch); if (rc) { - XEN_PT_ERR(d, "Failed to read PCI_INTERRUPT_PIN! (rc:%d)\n", rc); + error_setg_errno(errp, errno, "Failed to read PCI_INTERRUPT_PIN"); goto err_out; } if (!scratch) { - XEN_PT_LOG(d, "no pin interrupt\n"); + error_setg(errp, "no pin interrupt"); goto out; } machine_irq = s->real_device.irq; rc = xc_physdev_map_pirq(xen_xc, xen_domid, machine_irq, &pirq); - if (rc < 0) { - XEN_PT_ERR(d, "Mapping machine irq %u to pirq %i failed, (err: %d)\n", - machine_irq, pirq, errno); + error_setg_errno(errp, errno, "Mapping machine irq %u to" + " pirq %i failed", machine_irq, pirq); /* Disable PCI intx assertion (turn on bit10 of devctl) */ cmd |= PCI_COMMAND_INTX_DISABLE; @@ -870,8 +869,8 @@ static int xen_pt_initfn(PCIDevice *d) PCI_SLOT(d->devfn), e_intx); if (rc < 0) { - XEN_PT_ERR(d, "Binding of interrupt %i failed! (err: %d)\n", - e_intx, errno); + error_setg_errno(errp, errno, "Binding of interrupt %u failed", + e_intx); /* Disable PCI intx assertion (turn on bit10 of devctl) */ cmd |= PCI_COMMAND_INTX_DISABLE; @@ -879,8 +878,8 @@ static int xen_pt_initfn(PCIDevice *d) if (xen_pt_mapped_machine_irq[machine_irq] == 0) { if (xc_physdev_unmap_pirq(xen_xc, xen_domid, machine_irq)) { - XEN_PT_ERR(d, "Unmapping of machine interrupt %i failed!" - " (err: %d)\n", machine_irq, errno); + error_setg_errno(errp, errno, "Unmapping of machine" + " interrupt %u failed", machine_irq); } } s->machine_irq = 0; @@ -893,14 +892,14 @@ out: rc = xen_host_pci_get_word(&s->real_device, PCI_COMMAND, &val); if (rc) { - XEN_PT_ERR(d, "Failed to read PCI_COMMAND! (rc: %d)\n", rc); + error_setg_errno(errp, errno, "Failed to read PCI_COMMAND"); goto err_out; } else { val |= cmd; rc = xen_host_pci_set_word(&s->real_device, PCI_COMMAND, val); if (rc) { - XEN_PT_ERR(d, "Failed to write PCI_COMMAND val=0x%x!(rc: %d)\n", - val, rc); + error_setg_errno(errp, errno, "Failed to write PCI_COMMAND" + " val = 0x%x", val); goto err_out; } } @@ -910,15 +909,19 @@ out: memory_listener_register(&s->io_listener, &address_space_io); s->listener_set = true; XEN_PT_LOG(d, - "Real physical device %02x:%02x.%d registered successfully!\n", + "Real physical device %02x:%02x.%d registered successfully\n", s->hostaddr.bus, s->hostaddr.slot, s->hostaddr.function); - return 0; + return; err_out: + for (i = 0; i < PCI_ROM_SLOT; i++) { + object_unparent(OBJECT(&s->bar[i])); + } + object_unparent(OBJECT(&s->rom)); + xen_pt_destroy(d); assert(rc); - return rc; } static void xen_pt_unregister_device(PCIDevice *d) @@ -937,7 +940,7 @@ static void xen_pci_passthrough_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - k->init = xen_pt_initfn; + k->realize = xen_pt_realize; k->exit = xen_pt_unregister_device; k->config_read = xen_pt_pci_read_config; k->config_write = xen_pt_pci_write_config; -- 2.11.4.GIT