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Diffstat (limited to 'sys/dev/dpaa2/dpaa2_io.h')
| -rw-r--r-- | sys/dev/dpaa2/dpaa2_io.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/sys/dev/dpaa2/dpaa2_io.h b/sys/dev/dpaa2/dpaa2_io.h new file mode 100644 index 000000000000..d02dab8144df --- /dev/null +++ b/sys/dev/dpaa2/dpaa2_io.h @@ -0,0 +1,110 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright © 2021-2022 Dmitry Salychev + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _DPAA2_IO_H +#define _DPAA2_IO_H + +#include <sys/rman.h> +#include <sys/bus.h> +#include <sys/queue.h> + +#include "dpaa2_types.h" +#include "dpaa2_mcp.h" + +/* Maximum resources per DPIO: 3 SYS_MEM + 1 DPMCP. */ +#define DPAA2_IO_MAX_RESOURCES 4 +/* Maximum number of MSIs supported by the DPIO objects. */ +#define DPAA2_IO_MSI_COUNT 1 + +enum dpaa2_io_chan_mode { + DPAA2_IO_NO_CHANNEL, + DPAA2_IO_LOCAL_CHANNEL +}; + +/** + * @brief Attributes of the DPIO object. + * + * swp_ce_paddr: Physical address of the cache-enabled area. + * swp_ci_paddr: Physical address of the cache-inhibited area. + * swp_version: Hardware IP version of the software portal. + * swp_clk: QBMAN clock frequency value in Hz. + * id: DPIO object ID. + * swp_id: Software portal ID. + * priors_num: Number of priorities for the notification channel (1-8); + * relevant only if channel mode is "local channel". + * chan_mode: Notification channel mode. + */ +struct dpaa2_io_attr { + uint64_t swp_ce_paddr; + uint64_t swp_ci_paddr; + uint32_t swp_version; + uint32_t swp_clk; + uint32_t id; + uint16_t swp_id; + uint8_t priors_num; + enum dpaa2_io_chan_mode chan_mode; +}; + +/** + * @brief Context used by DPIO to configure data availability notifications + * (CDAN) on a particular WQ channel. + */ +struct dpaa2_io_notif_ctx { + void (*poll)(void *); + + device_t io_dev; + void *channel; + uint64_t qman_ctx; + uint16_t fq_chan_id; + bool cdan_en; +}; + +/** + * @brief Software context for the DPAA2 I/O driver. + */ +struct dpaa2_io_softc { + device_t dev; + struct dpaa2_swp_desc swp_desc; + struct dpaa2_swp *swp; + struct dpaa2_io_attr attr; + + /* Help to send commands to MC. */ + struct dpaa2_cmd *cmd; + uint16_t rc_token; + uint16_t io_token; + + struct resource *res[DPAA2_IO_MAX_RESOURCES]; + struct resource_map map[DPAA2_IO_MAX_RESOURCES]; + + int irq_rid[DPAA2_IO_MSI_COUNT]; + struct resource *irq_resource; + void *intr; /* interrupt handle */ +}; + +extern struct resource_spec dpaa2_io_spec[]; + +#endif /* _DPAA2_IO_H */ |