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| author | Simon Glass <sjg@chromium.org> | 2019-09-21 14:32:41 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2019-10-11 17:37:15 +0800 |
| commit | 6498fda140f526f82f87e057afb61ca23904770f (patch) | |
| tree | 8b23c0194eb4e3b783949ce5c040790c9affe433 /include/pci.h | |
| parent | 3d95688c85aa26dea5d98e277d724aff571a1b4e (diff) | |
| download | u-boot-6498fda140f526f82f87e057afb61ca23904770f.zip u-boot-6498fda140f526f82f87e057afb61ca23904770f.tar.gz u-boot-6498fda140f526f82f87e057afb61ca23904770f.tar.bz2 | |
sandbox: pci: Remember the device being emulated
Add a field to the PCI emulator per-device data which records which device
is being emulated. This is useful when the emulator needs to check the
device for something.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: rebase the patch against u-boot-x86/master to get it applied cleanly]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'include/pci.h')
| -rw-r--r-- | include/pci.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/pci.h b/include/pci.h index 8aa6636..ff59ac0 100644 --- a/include/pci.h +++ b/include/pci.h @@ -1491,6 +1491,17 @@ int dm_pci_find_device(unsigned int vendor, unsigned int device, int index, int dm_pci_find_class(uint find_class, int index, struct udevice **devp); /** + * struct pci_emul_uc_priv - holds info about an emulator device + * + * There is always at most one emulator per client + * + * @client: Client device if any, else NULL + */ +struct pci_emul_uc_priv { + struct udevice *client; +}; + +/** * struct dm_pci_emul_ops - PCI device emulator operations */ struct dm_pci_emul_ops { @@ -1593,6 +1604,15 @@ int sandbox_pci_get_emul(struct udevice *bus, pci_dev_t find_devfn, struct udevice **containerp, struct udevice **emulp); /** + * sandbox_pci_get_client() - Find the client for an emulation device + * + * @emul: Emulation device to check + * @devp: Returns the client device emulated by this device + * @return 0 if OK, -ENOENT if the device has no client yet + */ +int sandbox_pci_get_client(struct udevice *emul, struct udevice **devp); + +/** * pci_get_devfn() - Extract the devfn from fdt_pci_addr of the device * * Get devfn from fdt_pci_addr of the specified device |