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sys/dev/dpaa2/dpaa2_io.h
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/*- | |||||
* 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 */ |