diff options
| author |   Yuval Mintz <Yuval.Mintz@qlogic.com> | 2016-05-11 16:36:14 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-05-12 00:04:07 -0400 |
| commit | 1408cc1fa48c5450c0dc4b40cbd9718ecb09d1c9 (patch) | |
| tree | 2132f8f209c0ad8f818b6ab6795d9ae5f677e6b0 /drivers/net/ethernet/qlogic/qed/qed_hw.c | |
| parent | qed: Add VF->PF channel infrastructure (diff) | |
| download | wireguard-linux-1408cc1fa48c5450c0dc4b40cbd9718ecb09d1c9.tar.xz wireguard-linux-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_hw.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_hw.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_hw.c b/drivers/net/ethernet/qlogic/qed/qed_hw.c index a9be5a422d2d..0ada7fdb91bc 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_hw.c +++ b/drivers/net/ethernet/qlogic/qed/qed_hw.c @@ -23,6 +23,7 @@ #include "qed_hsi.h" #include "qed_hw.h" #include "qed_reg_addr.h" +#include "qed_sriov.h" #define QED_BAR_ACQUIRE_TIMEOUT 1000 @@ -236,8 +237,12 @@ static void qed_memcpy_hw(struct qed_hwfn *p_hwfn, quota = min_t(size_t, n - done, PXP_EXTERNAL_BAR_PF_WINDOW_SINGLE_SIZE); - qed_ptt_set_win(p_hwfn, p_ptt, hw_addr + done); - hw_offset = qed_ptt_get_bar_addr(p_ptt); + if (IS_PF(p_hwfn->cdev)) { + qed_ptt_set_win(p_hwfn, p_ptt, hw_addr + done); + hw_offset = qed_ptt_get_bar_addr(p_ptt); + } else { + hw_offset = hw_addr + done; + } dw_count = quota / 4; host_addr = (u32 *)((u8 *)addr + done); @@ -808,6 +813,9 @@ u16 qed_get_qm_pq(struct qed_hwfn *p_hwfn, break; case PROTOCOLID_ETH: pq_id = p_params->eth.tc; + if (p_params->eth.is_vf) + pq_id += p_hwfn->qm_info.vf_queues_offset + + p_params->eth.vf_id; break; default: pq_id = 0; |