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qed: Introduce VFs

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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>
This commit is contained in:
Yuval Mintz
2016-05-11 16:36:14 +03:00
committed by David S. Miller
parent 37bff2b9c6
commit 1408cc1fa4
25 changed files with 1839 additions and 185 deletions
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10
include/linux/qed/qed_if.h
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@@ -140,6 +140,13 @@ struct qed_link_output {
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_common_ops {
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);