[v5,02/12] baseband/acc: add FFT window width in the VRB PMD

Message ID 20231005194907.557517-3-nicolas.chautru@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Maxime Coquelin
Headers
Series VRB2 bbdev PMD introduction |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Chautru, Nicolas Oct. 5, 2023, 7:48 p.m. UTC
  This allows to expose the FFT window width being introduced in
previous commit based on what is configured dynamically on the
device platform.

Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
---
 drivers/baseband/acc/acc_common.h  |  6 +++++
 drivers/baseband/acc/rte_vrb_pmd.c | 41 +++++++++++++++++++++++++-----
 2 files changed, 41 insertions(+), 6 deletions(-)
  

Comments

Maxime Coquelin Oct. 6, 2023, 7:55 a.m. UTC | #1
On 10/5/23 21:48, Nicolas Chautru wrote:
> This allows to expose the FFT window width being introduced in
> previous commit based on what is configured dynamically on the
> device platform.
> 
> Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
> ---
>   drivers/baseband/acc/acc_common.h  |  6 +++++
>   drivers/baseband/acc/rte_vrb_pmd.c | 41 +++++++++++++++++++++++++-----
>   2 files changed, 41 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/baseband/acc/acc_common.h b/drivers/baseband/acc/acc_common.h
> index 5bb00746c3..afece863bc 100644
> --- a/drivers/baseband/acc/acc_common.h
> +++ b/drivers/baseband/acc/acc_common.h
> @@ -131,6 +131,8 @@
>   #define ACC_LIM_31 20 /* 0.31 */
>   #define ACC_MAX_E (128 * 1024 - 2)
>   
> +#define ACC_MAX_FFT_WIN      16
> +
>   /* Helper macro for logging */
>   #define rte_acc_log(level, fmt, ...) \
>   	rte_log(RTE_LOG_ ## level, RTE_LOG_NOTICE, fmt "\n", \
> @@ -512,6 +514,8 @@ struct acc_deq_intr_details {
>   enum {
>   	ACC_VF2PF_STATUS_REQUEST = 1,
>   	ACC_VF2PF_USING_VF = 2,
> +	ACC_VF2PF_LUT_VER_REQUEST = 3,
> +	ACC_VF2PF_FFT_WIN_REQUEST = 4,
>   };
>   
>   
> @@ -558,6 +562,8 @@ struct acc_device {
>   	queue_offset_fun_t queue_offset;  /* Device specific queue offset */
>   	uint16_t num_qgroups;
>   	uint16_t num_aqs;
> +	uint16_t fft_window_width[ACC_MAX_FFT_WIN]; /* FFT windowing size. */
> +

Remove new line.

>   };
>   
>   /* Structure associated with each queue. */
> diff --git a/drivers/baseband/acc/rte_vrb_pmd.c b/drivers/baseband/acc/rte_vrb_pmd.c
> index 9e5a73c9c7..b86e814f8f 100644
> --- a/drivers/baseband/acc/rte_vrb_pmd.c
> +++ b/drivers/baseband/acc/rte_vrb_pmd.c
> @@ -183,6 +183,37 @@ vrb_check_device_enable(struct rte_bbdev *dev)
>   	return false;
>   }
>   
> +static inline void
> +vrb_vf2pf(struct acc_device *d, unsigned int payload)
> +{
> +	acc_reg_write(d, d->reg_addr->vf2pf_doorbell, payload);
> +}
> +
> +/* Request device FFT windowing information. */
> +static inline void
> +vrb_device_fft_win(struct rte_bbdev *dev)
> +{
> +	struct acc_device *d = dev->data->dev_private;
> +	uint32_t reg, time_out = 0, win;
> +
> +	if (d->pf_device)
> +		return;
> +
> +	/* Check from the device the first time. */
> +	if (d->fft_window_width[0] == 0) {
> +		for (win = 0; win < ACC_MAX_FFT_WIN; win++) {
> +			vrb_vf2pf(d, ACC_VF2PF_FFT_WIN_REQUEST | win);
> +			reg = acc_reg_read(d, d->reg_addr->pf2vf_doorbell);
> +			while ((time_out < ACC_STATUS_TO) && (reg == RTE_BBDEV_DEV_NOSTATUS)) {
> +				usleep(ACC_STATUS_WAIT); /*< Wait or VF->PF->VF Comms. */
> +				reg = acc_reg_read(d, d->reg_addr->pf2vf_doorbell);
> +				time_out++;
> +			}
> +			d->fft_window_width[win] = reg;
> +		}
> +	}
> +}
> +
>   /* Fetch configuration enabled for the PF/VF using MMIO Read (slow). */
>   static inline void
>   fetch_acc_config(struct rte_bbdev *dev)
> @@ -206,6 +237,8 @@ fetch_acc_config(struct rte_bbdev *dev)
>   		return;
>   	}
>   
> +	vrb_device_fft_win(dev);
> +
>   	d->ddr_size = 0;
>   
>   	/* Single VF Bundle by VF. */
> @@ -271,12 +304,6 @@ fetch_acc_config(struct rte_bbdev *dev)
>   			acc_conf->q_fft.aq_depth_log2);
>   }
>   
> -static inline void
> -vrb_vf2pf(struct acc_device *d, unsigned int payload)
> -{
> -	acc_reg_write(d, d->reg_addr->vf2pf_doorbell, payload);
> -}
> -
>   /* Request device status information. */
>   static inline uint32_t
>   vrb_device_status(struct rte_bbdev *dev)
> @@ -1085,6 +1112,7 @@ vrb_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
>   						RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
>   				.num_buffers_dst =
>   						RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
> +				.fft_windows_num = ACC_MAX_FFT_WIN,
>   			}
>   		},
>   		RTE_BBDEV_END_OF_CAPABILITIES_LIST()
> @@ -1100,6 +1128,7 @@ vrb_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
>   	fetch_acc_config(dev);
>   	/* Check the status of device. */
>   	dev_info->device_status = vrb_device_status(dev);
> +	dev_info->fft_window_width = d->fft_window_width;
>   
>   	/* Exposed number of queues. */
>   	dev_info->num_queues[RTE_BBDEV_OP_NONE] = 0;

With new line removed:

Reviewed-by; Maxime Coquelin <maxime.coquelin@redhat.com>

Thanks,
Maxime
  
Maxime Coquelin Oct. 10, 2023, 7:40 a.m. UTC | #2
On 10/6/23 09:55, Maxime Coquelin wrote:
> 
> 
> On 10/5/23 21:48, Nicolas Chautru wrote:
>> This allows to expose the FFT window width being introduced in
>> previous commit based on what is configured dynamically on the
>> device platform.
>>
>> Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
>> ---
>>   drivers/baseband/acc/acc_common.h  |  6 +++++
>>   drivers/baseband/acc/rte_vrb_pmd.c | 41 +++++++++++++++++++++++++-----
>>   2 files changed, 41 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/baseband/acc/acc_common.h 
>> b/drivers/baseband/acc/acc_common.h
>> index 5bb00746c3..afece863bc 100644
>> --- a/drivers/baseband/acc/acc_common.h
>> +++ b/drivers/baseband/acc/acc_common.h
>> @@ -131,6 +131,8 @@
>>   #define ACC_LIM_31 20 /* 0.31 */
>>   #define ACC_MAX_E (128 * 1024 - 2)
>> +#define ACC_MAX_FFT_WIN      16
>> +
>>   /* Helper macro for logging */
>>   #define rte_acc_log(level, fmt, ...) \
>>       rte_log(RTE_LOG_ ## level, RTE_LOG_NOTICE, fmt "\n", \
>> @@ -512,6 +514,8 @@ struct acc_deq_intr_details {
>>   enum {
>>       ACC_VF2PF_STATUS_REQUEST = 1,
>>       ACC_VF2PF_USING_VF = 2,
>> +    ACC_VF2PF_LUT_VER_REQUEST = 3,
>> +    ACC_VF2PF_FFT_WIN_REQUEST = 4,
>>   };
>> @@ -558,6 +562,8 @@ struct acc_device {
>>       queue_offset_fun_t queue_offset;  /* Device specific queue 
>> offset */
>>       uint16_t num_qgroups;
>>       uint16_t num_aqs;
>> +    uint16_t fft_window_width[ACC_MAX_FFT_WIN]; /* FFT windowing 
>> size. */
>> +
> 
> Remove new line.
> 
>>   };
>>   /* Structure associated with each queue. */
>> diff --git a/drivers/baseband/acc/rte_vrb_pmd.c 
>> b/drivers/baseband/acc/rte_vrb_pmd.c
>> index 9e5a73c9c7..b86e814f8f 100644
>> --- a/drivers/baseband/acc/rte_vrb_pmd.c
>> +++ b/drivers/baseband/acc/rte_vrb_pmd.c
>> @@ -183,6 +183,37 @@ vrb_check_device_enable(struct rte_bbdev *dev)
>>       return false;
>>   }
>> +static inline void
>> +vrb_vf2pf(struct acc_device *d, unsigned int payload)
>> +{
>> +    acc_reg_write(d, d->reg_addr->vf2pf_doorbell, payload);
>> +}
>> +
>> +/* Request device FFT windowing information. */
>> +static inline void
>> +vrb_device_fft_win(struct rte_bbdev *dev)
>> +{
>> +    struct acc_device *d = dev->data->dev_private;
>> +    uint32_t reg, time_out = 0, win;
>> +
>> +    if (d->pf_device)
>> +        return;
>> +
>> +    /* Check from the device the first time. */
>> +    if (d->fft_window_width[0] == 0) {
>> +        for (win = 0; win < ACC_MAX_FFT_WIN; win++) {
>> +            vrb_vf2pf(d, ACC_VF2PF_FFT_WIN_REQUEST | win);
>> +            reg = acc_reg_read(d, d->reg_addr->pf2vf_doorbell);
>> +            while ((time_out < ACC_STATUS_TO) && (reg == 
>> RTE_BBDEV_DEV_NOSTATUS)) {
>> +                usleep(ACC_STATUS_WAIT); /*< Wait or VF->PF->VF 
>> Comms. */
>> +                reg = acc_reg_read(d, d->reg_addr->pf2vf_doorbell);
>> +                time_out++;
>> +            }
>> +            d->fft_window_width[win] = reg;
>> +        }
>> +    }
>> +}
>> +
>>   /* Fetch configuration enabled for the PF/VF using MMIO Read (slow). */
>>   static inline void
>>   fetch_acc_config(struct rte_bbdev *dev)
>> @@ -206,6 +237,8 @@ fetch_acc_config(struct rte_bbdev *dev)
>>           return;
>>       }
>> +    vrb_device_fft_win(dev);
>> +
>>       d->ddr_size = 0;
>>       /* Single VF Bundle by VF. */
>> @@ -271,12 +304,6 @@ fetch_acc_config(struct rte_bbdev *dev)
>>               acc_conf->q_fft.aq_depth_log2);
>>   }
>> -static inline void
>> -vrb_vf2pf(struct acc_device *d, unsigned int payload)
>> -{
>> -    acc_reg_write(d, d->reg_addr->vf2pf_doorbell, payload);
>> -}
>> -
>>   /* Request device status information. */
>>   static inline uint32_t
>>   vrb_device_status(struct rte_bbdev *dev)
>> @@ -1085,6 +1112,7 @@ vrb_dev_info_get(struct rte_bbdev *dev, struct 
>> rte_bbdev_driver_info *dev_info)
>>                           RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
>>                   .num_buffers_dst =
>>                           RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
>> +                .fft_windows_num = ACC_MAX_FFT_WIN,
>>               }
>>           },
>>           RTE_BBDEV_END_OF_CAPABILITIES_LIST()
>> @@ -1100,6 +1128,7 @@ vrb_dev_info_get(struct rte_bbdev *dev, struct 
>> rte_bbdev_driver_info *dev_info)
>>       fetch_acc_config(dev);
>>       /* Check the status of device. */
>>       dev_info->device_status = vrb_device_status(dev);
>> +    dev_info->fft_window_width = d->fft_window_width;
>>       /* Exposed number of queues. */
>>       dev_info->num_queues[RTE_BBDEV_OP_NONE] = 0;
> 
> With new line removed:
> 
> Reviewed-by; Maxime Coquelin <maxime.coquelin@redhat.com>

With typo fixed to make patchwork happy:
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

> 
> Thanks,
> Maxime
>
  

Patch

diff --git a/drivers/baseband/acc/acc_common.h b/drivers/baseband/acc/acc_common.h
index 5bb00746c3..afece863bc 100644
--- a/drivers/baseband/acc/acc_common.h
+++ b/drivers/baseband/acc/acc_common.h
@@ -131,6 +131,8 @@ 
 #define ACC_LIM_31 20 /* 0.31 */
 #define ACC_MAX_E (128 * 1024 - 2)
 
+#define ACC_MAX_FFT_WIN      16
+
 /* Helper macro for logging */
 #define rte_acc_log(level, fmt, ...) \
 	rte_log(RTE_LOG_ ## level, RTE_LOG_NOTICE, fmt "\n", \
@@ -512,6 +514,8 @@  struct acc_deq_intr_details {
 enum {
 	ACC_VF2PF_STATUS_REQUEST = 1,
 	ACC_VF2PF_USING_VF = 2,
+	ACC_VF2PF_LUT_VER_REQUEST = 3,
+	ACC_VF2PF_FFT_WIN_REQUEST = 4,
 };
 
 
@@ -558,6 +562,8 @@  struct acc_device {
 	queue_offset_fun_t queue_offset;  /* Device specific queue offset */
 	uint16_t num_qgroups;
 	uint16_t num_aqs;
+	uint16_t fft_window_width[ACC_MAX_FFT_WIN]; /* FFT windowing size. */
+
 };
 
 /* Structure associated with each queue. */
diff --git a/drivers/baseband/acc/rte_vrb_pmd.c b/drivers/baseband/acc/rte_vrb_pmd.c
index 9e5a73c9c7..b86e814f8f 100644
--- a/drivers/baseband/acc/rte_vrb_pmd.c
+++ b/drivers/baseband/acc/rte_vrb_pmd.c
@@ -183,6 +183,37 @@  vrb_check_device_enable(struct rte_bbdev *dev)
 	return false;
 }
 
+static inline void
+vrb_vf2pf(struct acc_device *d, unsigned int payload)
+{
+	acc_reg_write(d, d->reg_addr->vf2pf_doorbell, payload);
+}
+
+/* Request device FFT windowing information. */
+static inline void
+vrb_device_fft_win(struct rte_bbdev *dev)
+{
+	struct acc_device *d = dev->data->dev_private;
+	uint32_t reg, time_out = 0, win;
+
+	if (d->pf_device)
+		return;
+
+	/* Check from the device the first time. */
+	if (d->fft_window_width[0] == 0) {
+		for (win = 0; win < ACC_MAX_FFT_WIN; win++) {
+			vrb_vf2pf(d, ACC_VF2PF_FFT_WIN_REQUEST | win);
+			reg = acc_reg_read(d, d->reg_addr->pf2vf_doorbell);
+			while ((time_out < ACC_STATUS_TO) && (reg == RTE_BBDEV_DEV_NOSTATUS)) {
+				usleep(ACC_STATUS_WAIT); /*< Wait or VF->PF->VF Comms. */
+				reg = acc_reg_read(d, d->reg_addr->pf2vf_doorbell);
+				time_out++;
+			}
+			d->fft_window_width[win] = reg;
+		}
+	}
+}
+
 /* Fetch configuration enabled for the PF/VF using MMIO Read (slow). */
 static inline void
 fetch_acc_config(struct rte_bbdev *dev)
@@ -206,6 +237,8 @@  fetch_acc_config(struct rte_bbdev *dev)
 		return;
 	}
 
+	vrb_device_fft_win(dev);
+
 	d->ddr_size = 0;
 
 	/* Single VF Bundle by VF. */
@@ -271,12 +304,6 @@  fetch_acc_config(struct rte_bbdev *dev)
 			acc_conf->q_fft.aq_depth_log2);
 }
 
-static inline void
-vrb_vf2pf(struct acc_device *d, unsigned int payload)
-{
-	acc_reg_write(d, d->reg_addr->vf2pf_doorbell, payload);
-}
-
 /* Request device status information. */
 static inline uint32_t
 vrb_device_status(struct rte_bbdev *dev)
@@ -1085,6 +1112,7 @@  vrb_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
 						RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
 				.num_buffers_dst =
 						RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
+				.fft_windows_num = ACC_MAX_FFT_WIN,
 			}
 		},
 		RTE_BBDEV_END_OF_CAPABILITIES_LIST()
@@ -1100,6 +1128,7 @@  vrb_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
 	fetch_acc_config(dev);
 	/* Check the status of device. */
 	dev_info->device_status = vrb_device_status(dev);
+	dev_info->fft_window_width = d->fft_window_width;
 
 	/* Exposed number of queues. */
 	dev_info->num_queues[RTE_BBDEV_OP_NONE] = 0;