qed: Introduce VFs
This adds the qed VFs for the first time -
The vfs are limited functions, with a very different PCI bar structure
[when compared with PFs] to better impose the related security demands
associated with them.
This patch includes the logic neccesary to allow VFs to successfully probe
[without actually adding the ability to enable iov].
This includes diverging all the flows that would occur as part of the pci
probe of the driver, preventing VF from accessing registers/memories it
can't and instead utilize the VF->PF channel to query the PF for needed
information.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index d72c832..76a6f16 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -140,6 +140,13 @@
u32 pause_config;
};
+struct qed_probe_params {
+ enum qed_protocol protocol;
+ u32 dp_module;
+ u8 dp_level;
+ bool is_vf;
+};
+
#define QED_DRV_VER_STR_SIZE 12
struct qed_slowpath_params {
u32 int_mode;
@@ -207,8 +214,7 @@
struct qed_selftest_ops *selftest;
struct qed_dev* (*probe)(struct pci_dev *dev,
- enum qed_protocol protocol,
- u32 dp_module, u8 dp_level);
+ struct qed_probe_params *params);
void (*remove)(struct qed_dev *cdev);