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authorYuval Mintz <Yuval.Mintz@qlogic.com>2016-05-11 16:36:14 +0300
committerDavid S. Miller <davem@davemloft.net>2016-05-12 00:04:07 -0400
commit1408cc1fa48c5450c0dc4b40cbd9718ecb09d1c9 (patch)
tree2132f8f209c0ad8f818b6ab6795d9ae5f677e6b0 /drivers/net/ethernet/qlogic/qed/qed_init_ops.c
parentqed: Add VF->PF channel infrastructure (diff)
downloadlinux-dev-1408cc1fa48c5450c0dc4b40cbd9718ecb09d1c9.tar.xz
linux-dev-1408cc1fa48c5450c0dc4b40cbd9718ecb09d1c9.zip
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>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_init_ops.c')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_init_ops.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_init_ops.c b/drivers/net/ethernet/qlogic/qed/qed_init_ops.c
index 3269b3610e03..d358c3bb1308 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_init_ops.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_init_ops.c
@@ -18,6 +18,7 @@
#include "qed_hw.h"
#include "qed_init_ops.h"
#include "qed_reg_addr.h"
+#include "qed_sriov.h"
#define QED_INIT_MAX_POLL_COUNT 100
#define QED_INIT_POLL_PERIOD_US 500
@@ -128,6 +129,9 @@ int qed_init_alloc(struct qed_hwfn *p_hwfn)
{
struct qed_rt_data *rt_data = &p_hwfn->rt_data;
+ if (IS_VF(p_hwfn->cdev))
+ return 0;
+
rt_data->b_valid = kzalloc(sizeof(bool) * RUNTIME_ARRAY_SIZE,
GFP_KERNEL);
if (!rt_data->b_valid)