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dde_linux: upgrade quota for usb_drv

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Issue #755
This commit is contained in:
Alexander Boettcher 2015-04-09 16:59:57 +02:00 committed by Christian Helmuth
parent 828ae3800d
commit d37d2bd737
1 changed files with 10 additions and 0 deletions
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10
repos/dde_linux/src/lib/usb/pci_driver.cc
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@ -274,6 +274,8 @@ int pci_register_driver(struct pci_driver *drv)
continue;
}
Genode::env()->parent()->upgrade(pci.cap(), "ram_quota=4096");
Pci::Device_capability cap = pci.first_device(id->class_,
id->class_mask);
while (cap.valid()) {
@ -295,6 +297,9 @@ int pci_register_driver(struct pci_driver *drv)
pci.on_destruction(Pci::Connection::KEEP_OPEN);
found = true;
} catch (Pci::Device::Quota_exceeded) {
Genode::env()->parent()->upgrade(pci.cap(), "ram_quota=4096");
continue;
} catch (...) {
destroy(env()->heap(), pci_drv);
pci_drv = 0;
@ -401,6 +406,11 @@ Backend_memory::alloc(Genode::addr_t size, Genode::Cache_attribute cached)
cap = env()->ram_session()->alloc(size);
o = new (env()->heap()) Ram_object(cap);
} else {
/* transfer quota to pci driver, otherwise it will give us a exception */
char buf[32];
Genode::snprintf(buf, sizeof(buf), "ram_quota=%ld", size);
Genode::env()->parent()->upgrade(pci.cap(), buf);
cap = pci.alloc_dma_buffer(size);
o = new (env()->heap()) Dma_object(cap);
}