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([10.233.181.123]) by orsmga008.jf.intel.com with ESMTP; 04 Oct 2023 19:25:53 -0700 From: Nicolas Chautru To: dev@dpdk.org, maxime.coquelin@redhat.com Cc: hemant.agrawal@nxp.com, david.marchand@redhat.com, hernan.vargas@intel.com, Nicolas Chautru Subject: [PATCH v4 02/12] baseband/acc: add FFT window width in the VRB PMD Date: Thu, 5 Oct 2023 02:18:44 +0000 Message-Id: <20231005021854.109096-3-nicolas.chautru@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231005021854.109096-1-nicolas.chautru@intel.com> References: <20231005021854.109096-1-nicolas.chautru@intel.com> MIME-Version: 1.0 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 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 --- drivers/baseband/acc/acc_common.h | 6 +++++ drivers/baseband/acc/rte_vrb_pmd.c | 39 +++++++++++++++++++++++++----- 2 files changed, 39 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. */ + }; /* 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..7b9e946ed8 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) @@ -271,12 +302,6 @@ 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 +1110,7 @@ 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 +1126,7 @@ 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;