Quelle qman_priv.h
Sprache: C
/* Copyright 2008 - 2016 Freescale Semiconductor, Inc.
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions are met :
* * Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* * 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 .
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission .
*
* ALTERNATIVELY , this software may be distributed under the terms of the
* GNU General Public License ( " GPL " ) as published by the Free Software
* Foundation , either version 2 of that License or ( at your option ) any
* later version .
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ` ` 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 Freescale Semiconductor 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 .
*/
#include "dpaa_sys.h"
#include <soc/fsl/qman.h>
#include <linux/dma-mapping.h>
#include <linux/iommu.h>
#if defined (CONFIG_FSL_PAMU)
#include <asm /fsl_pamu_stash.h>
#endif
struct qm_mcr_querywq {
u8 verb;
u8 result;
u16 channel_wq; /* ignores wq (3 lsbits): _res[0-2] */
u8 __reserved[28 ];
u32 wq_len[8 ];
} __packed;
static inline u16 qm_mcr_querywq_get_chan(const struct qm_mcr_querywq *wq)
{
return wq->channel_wq >> 3 ;
}
struct __qm_mcr_querycongestion {
u32 state[8 ];
};
/* "Query Congestion Group State" */
struct qm_mcr_querycongestion {
u8 verb;
u8 result;
u8 __reserved[30 ];
/* Access this struct using qman_cgrs_get() */
struct __qm_mcr_querycongestion state;
} __packed;
/* "Query CGR" */
struct qm_mcr_querycgr {
u8 verb;
u8 result;
u16 __reserved1;
struct __qm_mc_cgr cgr; /* CGR fields */
u8 __reserved2[6 ];
u8 i_bcnt_hi; /* high 8-bits of 40-bit "Instant" */
__be32 i_bcnt_lo; /* low 32-bits of 40-bit */
u8 __reserved3[3 ];
u8 a_bcnt_hi; /* high 8-bits of 40-bit "Average" */
__be32 a_bcnt_lo; /* low 32-bits of 40-bit */
__be32 cscn_targ_swp[4 ];
} __packed;
static inline u64 qm_mcr_querycgr_i_get64(const struct qm_mcr_querycgr *q)
{
return ((u64)q->i_bcnt_hi << 32 ) | be32_to_cpu(q->i_bcnt_lo);
}
static inline u64 qm_mcr_querycgr_a_get64(const struct qm_mcr_querycgr *q)
{
return ((u64)q->a_bcnt_hi << 32 ) | be32_to_cpu(q->a_bcnt_lo);
}
/* Congestion Groups */
/*
* This wrapper represents a bit - array for the state of the 256 QMan congestion
* groups . Is also used as a * mask * for congestion groups , eg . so we ignore
* those that don ' t concern us . We harness the structure and accessor details
* already used in the management command to query congestion groups .
*/
#define CGR_BITS_PER_WORD 5
#define CGR_WORD(x) ((x) >> CGR_BITS_PER_WORD)
#define CGR_BIT(x) (BIT(31 ) >> ((x) & 0 x1f))
#define CGR_NUM (sizeof (struct __qm_mcr_querycongestion) << 3 )
struct qman_cgrs {
struct __qm_mcr_querycongestion q;
};
static inline void qman_cgrs_init(struct qman_cgrs *c)
{
memset(c, 0 , sizeof (*c));
}
static inline void qman_cgrs_fill(struct qman_cgrs *c)
{
memset(c, 0 xff, sizeof (*c));
}
static inline int qman_cgrs_get(struct qman_cgrs *c, u8 cgr)
{
return c->q.state[CGR_WORD(cgr)] & CGR_BIT(cgr);
}
static inline void qman_cgrs_cp(struct qman_cgrs *dest,
const struct qman_cgrs *src)
{
*dest = *src;
}
static inline void qman_cgrs_and(struct qman_cgrs *dest,
const struct qman_cgrs *a, const struct qman_cgrs *b)
{
int ret;
u32 *_d = dest->q.state;
const u32 *_a = a->q.state;
const u32 *_b = b->q.state;
for (ret = 0 ; ret < 8 ; ret++)
*_d++ = *_a++ & *_b++;
}
static inline void qman_cgrs_xor(struct qman_cgrs *dest,
const struct qman_cgrs *a, const struct qman_cgrs *b)
{
int ret;
u32 *_d = dest->q.state;
const u32 *_a = a->q.state;
const u32 *_b = b->q.state;
for (ret = 0 ; ret < 8 ; ret++)
*_d++ = *_a++ ^ *_b++;
}
void qman_init_cgr_all(void );
struct qm_portal_config {
/* Portal addresses */
void *addr_virt_ce;
void __iomem *addr_virt_ci;
struct device *dev;
struct iommu_domain *iommu_domain;
/* Allow these to be joined in lists */
struct list_head list;
/* User-visible portal configuration settings */
/* portal is affined to this cpu */
int cpu;
/* portal interrupt line */
int irq;
/*
* the portal ' s dedicated channel id , used initialising
* frame queues to target this portal when scheduled
*/
u16 channel;
/*
* mask of pool channels this portal has dequeue access to
* ( using QM_SDQCR_CHANNELS_POOL ( n ) for the bitmask )
*/
u32 pools;
};
/* Revision info (for errata and feature handling) */
#define QMAN_REV11 0 x0101
#define QMAN_REV12 0 x0102
#define QMAN_REV20 0 x0200
#define QMAN_REV30 0 x0300
#define QMAN_REV31 0 x0301
#define QMAN_REV32 0 x0302
extern u16 qman_ip_rev; /* 0 if uninitialised, otherwise QMAN_REVx */
#define QM_FQID_RANGE_START 1 /* FQID 0 reserved for internal use */
extern struct gen_pool *qm_fqalloc; /* FQID allocator */
extern struct gen_pool *qm_qpalloc; /* pool-channel allocator */
extern struct gen_pool *qm_cgralloc; /* CGR ID allocator */
u32 qm_get_pools_sdqcr(void );
int qman_wq_alloc(void );
#ifdef CONFIG_FSL_PAMU
#define qman_liodn_fixup __qman_liodn_fixup
#else
static inline void qman_liodn_fixup(u16 channel)
{
}
#endif
void __qman_liodn_fixup(u16 channel);
void qman_set_sdest(u16 channel, unsigned int cpu_idx);
struct qman_portal *qman_create_affine_portal(
const struct qm_portal_config *config,
const struct qman_cgrs *cgrs);
const struct qm_portal_config *qman_destroy_affine_portal(void );
/*
* qman_query_fq - Queries FQD fields ( via h / w query command )
* @ fq : the frame queue object to be queried
* @ fqd : storage for the queried FQD fields
*/
int qman_query_fq(struct qman_fq *fq, struct qm_fqd *fqd);
int qman_alloc_fq_table(u32 num_fqids);
/* QMan s/w corenet portal, low-level i/face */
/*
* For qm_dqrr_sdqcr_set ( ) ; Choose one SOURCE . Choose one COUNT . Choose one
* dequeue TYPE . Choose TOKEN ( 8 - bit ) .
* If SOURCE = = CHANNELS ,
* Choose CHANNELS_DEDICATED and / or CHANNELS_POOL ( n ) .
* You can choose DEDICATED_PRECEDENCE if the portal channel should have
* priority .
* If SOURCE = = SPECIFICWQ ,
* Either select the work - queue ID with SPECIFICWQ_WQ ( ) , or select the
* channel ( SPECIFICWQ_DEDICATED or SPECIFICWQ_POOL ( ) ) and specify the
* work - queue priority ( 0 - 7 ) with SPECIFICWQ_WQ ( ) - either way , you get the
* same value .
*/
#define QM_SDQCR_SOURCE_CHANNELS 0 x0
#define QM_SDQCR_SOURCE_SPECIFICWQ 0 x40000000
#define QM_SDQCR_COUNT_EXACT1 0 x0
#define QM_SDQCR_COUNT_UPTO3 0 x20000000
#define QM_SDQCR_DEDICATED_PRECEDENCE 0 x10000000
#define QM_SDQCR_TYPE_MASK 0 x03000000
#define QM_SDQCR_TYPE_NULL 0 x0
#define QM_SDQCR_TYPE_PRIO_QOS 0 x01000000
#define QM_SDQCR_TYPE_ACTIVE_QOS 0 x02000000
#define QM_SDQCR_TYPE_ACTIVE 0 x03000000
#define QM_SDQCR_TOKEN_MASK 0 x00ff0000
#define QM_SDQCR_TOKEN_SET(v) (((v) & 0 xff) << 16 )
#define QM_SDQCR_TOKEN_GET(v) (((v) >> 16 ) & 0 xff)
#define QM_SDQCR_CHANNELS_DEDICATED 0 x00008000
#define QM_SDQCR_SPECIFICWQ_MASK 0 x000000f7
#define QM_SDQCR_SPECIFICWQ_DEDICATED 0 x00000000
#define QM_SDQCR_SPECIFICWQ_POOL(n) ((n) << 4 )
#define QM_SDQCR_SPECIFICWQ_WQ(n) (n)
/* For qm_dqrr_vdqcr_set(): use FQID(n) to fill in the frame queue ID */
#define QM_VDQCR_FQID_MASK 0 x00ffffff
#define QM_VDQCR_FQID(n) ((n) & QM_VDQCR_FQID_MASK)
/*
* Used by all portal interrupt registers except ' inhibit '
* Channels with frame availability
*/
#define QM_PIRQ_DQAVAIL 0 x0000ffff
/* The DQAVAIL interrupt fields break down into these bits; */
#define QM_DQAVAIL_PORTAL 0 x8000 /* Portal channel */
#define QM_DQAVAIL_POOL(n) (0 x8000 >> (n)) /* Pool channel, n==[1..15] */
#define QM_DQAVAIL_MASK 0 xffff
/* This mask contains all the "irqsource" bits visible to API users */
#define QM_PIRQ_VISIBLE (QM_PIRQ_SLOW | QM_PIRQ_DQRI)
extern struct qman_portal *affine_portals[NR_CPUS];
extern struct qman_portal *qman_dma_portal;
const struct qm_portal_config *qman_get_qm_portal_config(
struct qman_portal *portal);
unsigned int qm_get_fqid_maxcnt(void );
int qman_shutdown_fq(u32 fqid);
int qman_requires_cleanup(void );
void qman_done_cleanup(void );
void qman_enable_irqs(void );
Messung V0.5 in Prozent C=92 H=94 G=92
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-11)
¤
*© Formatika GbR, Deutschland
2026-10-11
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