diff options
author | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:14:13 +0300 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:15:08 +0300 |
commit | 537c2e91d3549e5d6020bb0576cf9b54a845255f (patch) | |
tree | c09e8a1b7d733cde19b0c72678c28fb2bc97ff6b /drivers/crypto/intel/qat/qat_common/adf_pfvf_pf_msg.c | |
parent | 237bb5f7f7f55ec5f773469a974c61a49c298625 (diff) | |
parent | cba9ffdb9913dfe6be29f049ce920ce451ce7cc4 (diff) | |
download | linux-537c2e91d3549e5d6020bb0576cf9b54a845255f.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/crypto/intel/qat/qat_common/adf_pfvf_pf_msg.c')
-rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_pfvf_pf_msg.c | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_pfvf_pf_msg.c b/drivers/crypto/intel/qat/qat_common/adf_pfvf_pf_msg.c index 14c069f0d71a..0e31f4b41844 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_pfvf_pf_msg.c +++ b/drivers/crypto/intel/qat/qat_common/adf_pfvf_pf_msg.c @@ -1,21 +1,83 @@ // SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) /* Copyright(c) 2015 - 2021 Intel Corporation */ +#include <linux/delay.h> #include <linux/pci.h> #include "adf_accel_devices.h" #include "adf_pfvf_msg.h" #include "adf_pfvf_pf_msg.h" #include "adf_pfvf_pf_proto.h" +#define ADF_PF_WAIT_RESTARTING_COMPLETE_DELAY 100 +#define ADF_VF_SHUTDOWN_RETRY 100 + void adf_pf2vf_notify_restarting(struct adf_accel_dev *accel_dev) { struct adf_accel_vf_info *vf; struct pfvf_message msg = { .type = ADF_PF2VF_MSGTYPE_RESTARTING }; int i, num_vfs = pci_num_vf(accel_to_pci_dev(accel_dev)); + dev_dbg(&GET_DEV(accel_dev), "pf2vf notify restarting\n"); for (i = 0, vf = accel_dev->pf.vf_info; i < num_vfs; i++, vf++) { - if (vf->init && adf_send_pf2vf_msg(accel_dev, i, msg)) + vf->restarting = false; + if (!vf->init) + continue; + if (adf_send_pf2vf_msg(accel_dev, i, msg)) dev_err(&GET_DEV(accel_dev), "Failed to send restarting msg to VF%d\n", i); + else if (vf->vf_compat_ver >= ADF_PFVF_COMPAT_FALLBACK) + vf->restarting = true; + } +} + +void adf_pf2vf_wait_for_restarting_complete(struct adf_accel_dev *accel_dev) +{ + int num_vfs = pci_num_vf(accel_to_pci_dev(accel_dev)); + int i, retries = ADF_VF_SHUTDOWN_RETRY; + struct adf_accel_vf_info *vf; + bool vf_running; + + dev_dbg(&GET_DEV(accel_dev), "pf2vf wait for restarting complete\n"); + do { + vf_running = false; + for (i = 0, vf = accel_dev->pf.vf_info; i < num_vfs; i++, vf++) + if (vf->restarting) + vf_running = true; + if (!vf_running) + break; + msleep(ADF_PF_WAIT_RESTARTING_COMPLETE_DELAY); + } while (--retries); + + if (vf_running) + dev_warn(&GET_DEV(accel_dev), "Some VFs are still running\n"); +} + +void adf_pf2vf_notify_restarted(struct adf_accel_dev *accel_dev) +{ + struct pfvf_message msg = { .type = ADF_PF2VF_MSGTYPE_RESTARTED }; + int i, num_vfs = pci_num_vf(accel_to_pci_dev(accel_dev)); + struct adf_accel_vf_info *vf; + + dev_dbg(&GET_DEV(accel_dev), "pf2vf notify restarted\n"); + for (i = 0, vf = accel_dev->pf.vf_info; i < num_vfs; i++, vf++) { + if (vf->init && vf->vf_compat_ver >= ADF_PFVF_COMPAT_FALLBACK && + adf_send_pf2vf_msg(accel_dev, i, msg)) + dev_err(&GET_DEV(accel_dev), + "Failed to send restarted msg to VF%d\n", i); + } +} + +void adf_pf2vf_notify_fatal_error(struct adf_accel_dev *accel_dev) +{ + struct pfvf_message msg = { .type = ADF_PF2VF_MSGTYPE_FATAL_ERROR }; + int i, num_vfs = pci_num_vf(accel_to_pci_dev(accel_dev)); + struct adf_accel_vf_info *vf; + + dev_dbg(&GET_DEV(accel_dev), "pf2vf notify fatal error\n"); + for (i = 0, vf = accel_dev->pf.vf_info; i < num_vfs; i++, vf++) { + if (vf->init && vf->vf_compat_ver >= ADF_PFVF_COMPAT_FALLBACK && + adf_send_pf2vf_msg(accel_dev, i, msg)) + dev_err(&GET_DEV(accel_dev), + "Failed to send fatal error msg to VF%d\n", i); } } |