2016-04-15 17:43:16

by Tadeusz Struk

[permalink] [raw]
Subject: [PATCH 2/3] crypto: qat - check if PF is running

Before VF sends a signal to PF it should check if PF
is still running.

Tested-by: Suman Bangalore Sathyanarayana <[email protected]>
Signed-off-by: Tadeusz Struk <[email protected]>
---
drivers/crypto/qat/qat_c3xxxvf/adf_drv.c | 2 ++
drivers/crypto/qat/qat_c62xvf/adf_drv.c | 2 ++
drivers/crypto/qat/qat_common/adf_common_drv.h | 2 +-
drivers/crypto/qat/qat_common/adf_vf2pf_msg.c | 8 +++++---
drivers/crypto/qat/qat_common/adf_vf_isr.c | 2 ++
drivers/crypto/qat/qat_dh895xccvf/adf_drv.c | 2 ++
6 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c b/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c
index a998981..949d77b 100644
--- a/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c
+++ b/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c
@@ -238,6 +238,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ret)
goto out_err_free_reg;

+ set_bit(ADF_STATUS_PF_RUNNING, &accel_dev->status);
+
ret = adf_dev_init(accel_dev);
if (ret)
goto out_err_dev_shutdown;
diff --git a/drivers/crypto/qat/qat_c62xvf/adf_drv.c b/drivers/crypto/qat/qat_c62xvf/adf_drv.c
index ccfb25e..7540ce1 100644
--- a/drivers/crypto/qat/qat_c62xvf/adf_drv.c
+++ b/drivers/crypto/qat/qat_c62xvf/adf_drv.c
@@ -238,6 +238,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ret)
goto out_err_free_reg;

+ set_bit(ADF_STATUS_PF_RUNNING, &accel_dev->status);
+
ret = adf_dev_init(accel_dev);
if (ret)
goto out_err_dev_shutdown;
diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h
index a8100a3..557ea36 100644
--- a/drivers/crypto/qat/qat_common/adf_common_drv.h
+++ b/drivers/crypto/qat/qat_common/adf_common_drv.h
@@ -67,7 +67,7 @@
#define ADF_STATUS_AE_INITIALISED 4
#define ADF_STATUS_AE_UCODE_LOADED 5
#define ADF_STATUS_AE_STARTED 6
-#define ADF_STATUS_ORPHAN_TH_RUNNING 7
+#define ADF_STATUS_PF_RUNNING 7
#define ADF_STATUS_IRQ_ALLOCATED 8

enum adf_dev_reset_mode {
diff --git a/drivers/crypto/qat/qat_common/adf_vf2pf_msg.c b/drivers/crypto/qat/qat_common/adf_vf2pf_msg.c
index 5f1d863..cd5f37d 100644
--- a/drivers/crypto/qat/qat_common/adf_vf2pf_msg.c
+++ b/drivers/crypto/qat/qat_common/adf_vf2pf_msg.c
@@ -66,6 +66,7 @@ int adf_vf2pf_init(struct adf_accel_dev *accel_dev)
"Failed to send Init event to PF\n");
return -EFAULT;
}
+ set_bit(ADF_STATUS_PF_RUNNING, &accel_dev->status);
return 0;
}
EXPORT_SYMBOL_GPL(adf_vf2pf_init);
@@ -83,8 +84,9 @@ void adf_vf2pf_shutdown(struct adf_accel_dev *accel_dev)
u32 msg = (ADF_VF2PF_MSGORIGIN_SYSTEM |
(ADF_VF2PF_MSGTYPE_SHUTDOWN << ADF_VF2PF_MSGTYPE_SHIFT));

- if (adf_iov_putmsg(accel_dev, msg, 0))
- dev_err(&GET_DEV(accel_dev),
- "Failed to send Shutdown event to PF\n");
+ if (test_bit(ADF_STATUS_PF_RUNNING, &accel_dev->status))
+ if (adf_iov_putmsg(accel_dev, msg, 0))
+ dev_err(&GET_DEV(accel_dev),
+ "Failed to send Shutdown event to PF\n");
}
EXPORT_SYMBOL_GPL(adf_vf2pf_shutdown);
diff --git a/drivers/crypto/qat/qat_common/adf_vf_isr.c b/drivers/crypto/qat/qat_common/adf_vf_isr.c
index c3d5016..5d45796 100644
--- a/drivers/crypto/qat/qat_common/adf_vf_isr.c
+++ b/drivers/crypto/qat/qat_common/adf_vf_isr.c
@@ -135,6 +135,8 @@ static void adf_pf2vf_bh_handler(void *data)
dev_dbg(&GET_DEV(accel_dev),
"Restarting msg received from PF 0x%x\n", msg);

+ clear_bit(ADF_STATUS_PF_RUNNING, &accel_dev->status);
+
stop_data = kzalloc(sizeof(*stop_data), GFP_ATOMIC);
if (!stop_data) {
dev_err(&GET_DEV(accel_dev),
diff --git a/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c b/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c
index 1bf75324..60df986 100644
--- a/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c
+++ b/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c
@@ -238,6 +238,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ret)
goto out_err_free_reg;

+ set_bit(ADF_STATUS_PF_RUNNING, &accel_dev->status);
+
ret = adf_dev_init(accel_dev);
if (ret)
goto out_err_dev_shutdown;
--
2.1.4