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Mon, 21 Oct 2024 16:20:47 -0400 X-MC-Unique: zB3xla1oM_qAOTMkjQEIWA-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 0454919560A3; Mon, 21 Oct 2024 20:20:46 +0000 (UTC) Received: from [10.39.208.8] (unknown [10.39.208.8]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 57EE019560A2; Mon, 21 Oct 2024 20:20:44 +0000 (UTC) Message-ID: <64e99c89-66aa-4c00-badd-42392503fb04@redhat.com> Date: Mon, 21 Oct 2024 22:20:41 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 1/2] baseband/acc: FFT support in VRB2 PRQ device To: "Chautru, Nicolas" , "dev@dpdk.org" Cc: "hemant.agrawal@nxp.com" , "Vargas, Hernan" References: <20241014223046.544893-1-nicolas.chautru@intel.com> <20241014223046.544893-2-nicolas.chautru@intel.com> <890b514e-012c-44f8-8faf-61f454ecde3b@redhat.com> <9cd4d0e3-43e2-4a71-8099-e1077d055da2@redhat.com> From: Maxime Coquelin Autocrypt: addr=maxime.coquelin@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 10/21/24 22:12, Chautru, Nicolas wrote: > Hi Maxime, > > Do you want me to send a v2 for this or you can change the comment before applying? > > "Also, take the opportunity to fix some unused VRB2 registers definitions". I can do it while applying. Thanks, Maxime > >> -----Original Message----- >> From: Maxime Coquelin >> Sent: Monday, October 21, 2024 8:06 AM >> To: Chautru, Nicolas ; dev@dpdk.org >> Cc: hemant.agrawal@nxp.com; Vargas, Hernan >> Subject: Re: [PATCH v1 1/2] baseband/acc: FFT support in VRB2 PRQ device >> >> Hi, >> >> On 10/18/24 20:42, Chautru, Nicolas wrote: >>> Hi Maxime, >>> >>>> -----Original Message----- >>>> From: Maxime Coquelin >>>> Sent: Friday, October 18, 2024 12:54 AM >>>> To: Chautru, Nicolas ; dev@dpdk.org >>>> Cc: hemant.agrawal@nxp.com; Vargas, Hernan >> >>>> Subject: Re: [PATCH v1 1/2] baseband/acc: FFT support in VRB2 PRQ >>>> device >>>> >>>> Hi Nicolas, >>>> >>>> On 10/15/24 00:30, Nicolas Chautru wrote: >>>>> Supporting recent change in the device to extend FFT capability >>>>> processing in latest stepping. >>>>> Also including cosmetic change to VRB2 register definition. >>>>> >>>>> Signed-off-by: Nicolas Chautru >>>>> --- >>>>> drivers/baseband/acc/acc_common.h | 2 +- >>>>> drivers/baseband/acc/rte_vrb_pmd.c | 30 >>>>> +++++++++++++++++++++++++- >>>> --- >>>>> drivers/baseband/acc/vrb2_vf_enum.h | 4 ++-- >>>>> 3 files changed, 29 insertions(+), 7 deletions(-) >>>>> >>>>> diff --git a/drivers/baseband/acc/acc_common.h >>>>> b/drivers/baseband/acc/acc_common.h >>>>> index 0c249d5b93..4c60b7896b 100644 >>>>> --- a/drivers/baseband/acc/acc_common.h >>>>> +++ b/drivers/baseband/acc/acc_common.h >>>>> @@ -106,7 +106,7 @@ >>>>> #define ACC_MAX_FCW_SIZE 128 >>>>> #define ACC_IQ_SIZE 4 >>>>> >>>>> -#define ACC_FCW_FFT_BLEN_3 28 >>>>> +#define ACC_FCW_FFT_BLEN_VRB2 128 >>>>> >>>>> /* Constants from K0 computation from 3GPP 38.212 Table 5.4.2.1-2 */ >>>>> #define ACC_N_ZC_1 66 /* N = 66 Zc for BG 1 */ diff --git >>>>> a/drivers/baseband/acc/rte_vrb_pmd.c >>>>> b/drivers/baseband/acc/rte_vrb_pmd.c >>>>> index 0455320c2a..5eb3e8dd48 100644 >>>>> --- a/drivers/baseband/acc/rte_vrb_pmd.c >>>>> +++ b/drivers/baseband/acc/rte_vrb_pmd.c >>>>> @@ -1006,7 +1006,7 @@ vrb_queue_setup(struct rte_bbdev *dev, >>>> uint16_t queue_id, >>>>> case RTE_BBDEV_OP_FFT: >>>>> fcw_len = ACC_FCW_FFT_BLEN; >>>>> if (q->d->device_variant == VRB2_VARIANT) >>>>> - fcw_len = ACC_FCW_FFT_BLEN_3; >>>>> + fcw_len = ACC_FCW_FFT_BLEN_VRB2; >>>>> break; >>>>> case RTE_BBDEV_OP_MLDTS: >>>>> fcw_len = ACC_FCW_MLDTS_BLEN; >>>>> @@ -1402,7 +1402,11 @@ vrb_dev_info_get(struct rte_bbdev *dev, >>>>> struct >>>> rte_bbdev_driver_info *dev_info) >>>>> RTE_BBDEV_FFT_FP16_INPUT >>>> | >>>>> >>>> RTE_BBDEV_FFT_FP16_OUTPUT | >>>>> >>>> RTE_BBDEV_FFT_POWER_MEAS | >>>>> - >>>> RTE_BBDEV_FFT_WINDOWING_BYPASS, >>>>> + >>>> RTE_BBDEV_FFT_WINDOWING_BYPASS | >>>>> + >>>> RTE_BBDEV_FFT_TIMING_OFFSET_PER_CS | >>>>> + >>>> RTE_BBDEV_FFT_TIMING_ERROR | >>>>> + >>>> RTE_BBDEV_FFT_DEWINDOWING | >>>>> + >>>> RTE_BBDEV_FFT_FREQ_RESAMPLING, >>>>> .num_buffers_src = 1, >>>>> .num_buffers_dst = 1, >>>>> .fft_windows_num = ACC_MAX_FFT_WIN, >>>> @@ -3725,6 +3729,8 @@ >>>>> vrb1_fcw_fft_fill(struct rte_bbdev_fft_op *op, struct acc_fcw_fft *fcw) >>>>> static inline void >>>>> vrb2_fcw_fft_fill(struct rte_bbdev_fft_op *op, struct acc_fcw_fft_3 >> *fcw) >>>>> { >>>>> + uint8_t cs; >>>>> + >>>>> fcw->in_frame_size = op->fft.input_sequence_size; >>>>> fcw->leading_pad_size = op->fft.input_leading_padding; >>>>> fcw->out_frame_size = op->fft.output_sequence_size; @@ -3760,6 >>>>> +3766,16 @@ vrb2_fcw_fft_fill(struct rte_bbdev_fft_op *op, struct >>>> acc_fcw_fft_3 *fcw) >>>>> fcw->bypass = 3; >>>>> else >>>>> fcw->bypass = 0; >>>>> + >>>>> + fcw->enable_dewin = check_bit(op->fft.op_flags, >>>> RTE_BBDEV_FFT_DEWINDOWING); >>>>> + fcw->freq_resample_mode = op->fft.freq_resample_mode; >>>>> + fcw->depad_output_size = fcw->freq_resample_mode == 0 ? >>>>> + op->fft.output_sequence_size : op- >>>>> fft.output_depadded_size; >>>>> + for (cs = 0; cs < RTE_BBDEV_MAX_CS; cs++) { >>>>> + fcw->cs_theta_0[cs] = op->fft.cs_theta_0[cs]; >>>>> + fcw->cs_theta_d[cs] = op->fft.cs_theta_d[cs]; >>>>> + fcw->cs_time_offset[cs] = op->fft.time_offset[cs]; >>>>> + } >>>>> } >>>>> >>>>> static inline int >>>>> @@ -3782,8 +3798,14 @@ vrb_dma_desc_fft_fill(struct >> rte_bbdev_fft_op >>>> *op, >>>>> /* FCW already done */ >>>>> acc_header_init(desc); >>>>> >>>>> - RTE_SET_USED(win_input); >>>>> - RTE_SET_USED(win_offset); >>>>> + if (win_en && win_input) { >>>>> + desc->data_ptrs[bd_idx].address = >>>> rte_pktmbuf_iova_offset(win_input, *win_offset); >>>>> + desc->data_ptrs[bd_idx].blen = op->fft.output_depadded_size >>>> * 2; >>>>> + desc->data_ptrs[bd_idx].blkid = ACC_DMA_BLKID_DEWIN_IN; >>>>> + desc->data_ptrs[bd_idx].last = 0; >>>>> + desc->data_ptrs[bd_idx].dma_ext = 0; >>>>> + bd_idx++; >>>>> + } >>>>> >>>>> desc->data_ptrs[bd_idx].address = rte_pktmbuf_iova_offset(input, >>>> *in_offset); >>>>> desc->data_ptrs[bd_idx].blen = op->fft.input_sequence_size * >>>>> ACC_IQ_SIZE; diff --git a/drivers/baseband/acc/vrb2_vf_enum.h >>>>> b/drivers/baseband/acc/vrb2_vf_enum.h >>>>> index 9c6e451010..1cc6986c67 100644 >>>>> --- a/drivers/baseband/acc/vrb2_vf_enum.h >>>>> +++ b/drivers/baseband/acc/vrb2_vf_enum.h >>>>> @@ -18,8 +18,8 @@ enum { >>>>> VRB2_VfHiInfoRingIntWrEnVf = 0x00000020, >>>>> VRB2_VfHiInfoRingPf2VfWrEnVf = 0x00000024, >>>>> VRB2_VfHiMsixVectorMapperVf = 0x00000060, >>>>> - VRB2_VfHiDeviceStatus = 0x00000068, >>>>> - VRB2_VfHiInterruptSrc = 0x00000070, >>>>> + VRB2_VfHiDeviceStatus = 0x00000064, >>>>> + VRB2_VfHiInterruptSrc = 0x00000068, >>>> >>>> The offset of the registers change, is that what you describe as >>>> cosmetic change? >>>> >>>> Does it have an impact on older DPDK versions? i.e. should it be >> backported? >>> >>> Hi Maxime, These registers are currently not used in the code so it really >> has no impact. >>> It is more for documentation purpose and in case we need to use them >>> in the future, basically not to carry such discrepancy with specs forward. >>> No actual impact and does not need to be back ported for the same reason. >> >> Ok, then I would suggest to just name things as they are in the commit >> message. >> >> "Also, take the opportunity to fix some unsused VRB2 registers definitions". >> >> Thanks, >> Maxime >> >>> Thanks >>> Nic >>> >>>> >>>> >>>> Thanks, >>>> Maxime >>>> >>>>> VRB2_VfDmaFec5GulDescBaseLoRegVf = 0x00000120, >>>>> VRB2_VfDmaFec5GulDescBaseHiRegVf = 0x00000124, >>>>> VRB2_VfDmaFec5GulRespPtrLoRegVf = 0x00000128, >>> >