The unit test infrastructure uses CMA and real memory to emulate nvdimm resources. The call to devm_memremap_pages() can simply be mocked in the same manner as memremap and we mock phys_to_pfn_t() to clear PFN_MAP since these resources are not registered with in the pgmap_radix.
Signed-off-by: Dan Williams <[email protected]> --- tools/testing/nvdimm/Kbuild | 2 ++ tools/testing/nvdimm/test/iomap.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+) diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild index 38b00ecb2ed5..a34bfd0c8928 100644 --- a/tools/testing/nvdimm/Kbuild +++ b/tools/testing/nvdimm/Kbuild @@ -9,6 +9,8 @@ ldflags-y += --wrap=memunmap ldflags-y += --wrap=__devm_request_region ldflags-y += --wrap=__request_region ldflags-y += --wrap=__release_region +ldflags-y += --wrap=devm_memremap_pages +ldflags-y += --wrap=phys_to_pfn_t DRIVERS := ../../../drivers NVDIMM_SRC := $(DRIVERS)/nvdimm diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c index b7251314bbc0..802d3a173ccf 100644 --- a/tools/testing/nvdimm/test/iomap.c +++ b/tools/testing/nvdimm/test/iomap.c @@ -94,6 +94,36 @@ void *__wrap_devm_memremap(struct device *dev, resource_size_t offset, } EXPORT_SYMBOL(__wrap_devm_memremap); +void *__wrap_devm_memremap_pages(struct device *dev, struct resource *res) +{ + struct nfit_test_resource *nfit_res; + resource_size_t offset = res->start; + + rcu_read_lock(); + nfit_res = get_nfit_res(offset); + rcu_read_unlock(); + if (nfit_res) + return nfit_res->buf + offset - nfit_res->res->start; + return devm_memremap_pages(dev, res); +} +EXPORT_SYMBOL(__wrap_devm_memremap_pages); + +#ifdef PFN_MAP +pfn_t __wrap_phys_to_pfn_t(dma_addr_t addr, unsigned long flags) +{ + struct nfit_test_resource *nfit_res; + + rcu_read_lock(); + nfit_res = get_nfit_res(offset); + rcu_read_unlock(); + + if (nfit_res) + flags &= ~PFN_MAP; + return phys_to_pfn_t(addr >> PAGE_SHIFT, flags); +} +EXPORT_SYMBOL(__wrap_phys_to_pfn_t); +#endif + void *__wrap_memremap(resource_size_t offset, size_t size, unsigned long flags) { -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
