diff options
Diffstat (limited to 'linux/drivers/soc/fsl/qbman/bman_priv.h')
| -rw-r--r-- | linux/drivers/soc/fsl/qbman/bman_priv.h | 100 |
1 files changed, 23 insertions, 77 deletions
diff --git a/linux/drivers/soc/fsl/qbman/bman_priv.h b/linux/drivers/soc/fsl/qbman/bman_priv.h index e87f17a3..e8ba0be5 100644 --- a/linux/drivers/soc/fsl/qbman/bman_priv.h +++ b/linux/drivers/soc/fsl/qbman/bman_priv.h @@ -1,4 +1,4 @@ -/* Copyright 2008 - 2015 Freescale Semiconductor, Inc. +/* 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: @@ -34,103 +34,49 @@ #include <soc/fsl/bman.h> -/* used by CCSR and portal interrupt code */ -enum bm_isr_reg { - bm_isr_status = 0, - bm_isr_enable = 1, - bm_isr_disable = 2, - bm_isr_inhibit = 3 -}; - -#ifdef CONFIG_FSL_BMAN -/* Set depletion thresholds associated with a buffer pool. Requires that the - * operating system have access to BMan CCSR (ie. compiled in support and - * run-time access courtesy of the device-tree). */ -int bm_pool_set(u32 bpid, const u32 *thresholds); -#define BM_POOL_THRESH_SW_ENTER 0 -#define BM_POOL_THRESH_SW_EXIT 1 -#define BM_POOL_THRESH_HW_ENTER 2 -#define BM_POOL_THRESH_HW_EXIT 3 - -/* Read the free buffer count for a given buffer */ -u32 bm_pool_free_buffers(u32 bpid); +/* Portal processing (interrupt) sources */ +#define BM_PIRQ_RCRI 0x00000002 /* RCR Ring (below threshold) */ -#endif /* CONFIG_FSL_BMAN */ - -#if defined(CONFIG_FSL_BMAN_PORTAL) || defined(CONFIG_FSL_BMAN_PORTAL_MODULE) /* Revision info (for errata and feature handling) */ #define BMAN_REV10 0x0100 #define BMAN_REV20 0x0200 #define BMAN_REV21 0x0201 extern u16 bman_ip_rev; /* 0 if uninitialised, otherwise BMAN_REVx */ +extern struct gen_pool *bm_bpalloc; + struct bm_portal_config { - /* Corenet portal addresses; - * [0]==cache-enabled, [1]==cache-inhibited. */ - __iomem void *addr_virt[2]; + /* + * Corenet portal addresses; + * [0]==cache-enabled, [1]==cache-inhibited. + */ + void __iomem *addr_virt[2]; #ifndef __rtems__ - struct resource addr_phys[2]; /* Allow these to be joined in lists */ struct list_head list; #endif /* __rtems__ */ + struct device *dev; /* User-visible portal configuration settings */ - struct bman_portal_config public_cfg; + /* portal is affined to this cpu */ + int cpu; + /* portal interrupt line */ + int irq; }; -/* Hooks from bman_driver.c in to bman_high.c */ -struct bman_portal *bman_create_portal( - struct bman_portal *portal, - const struct bm_portal_config *config); struct bman_portal *bman_create_affine_portal( const struct bm_portal_config *config); -struct bman_portal *bman_create_affine_slave(struct bman_portal *redirect, - int cpu); -void bman_destroy_portal(struct bman_portal *bm); - -const struct bm_portal_config *bman_destroy_affine_portal(void); - -/* Stockpile build constants. The _LOW value: when bman_acquire() is called and - * the stockpile fill-level is <= _LOW, an acquire is attempted from h/w but it - * might fail (if the buffer pool is depleted). So this value provides some - * "stagger" in that the bman_acquire() function will only fail if lots of bufs - * are requested at once or if h/w has been tested a couple of times without - * luck. The _HIGH value: when bman_release() is called and the stockpile - * fill-level is >= _HIGH, a release is attempted to h/w but it might fail (if - * the release ring is full). So this value provides some "stagger" so that - * ring-access is retried a couple of times prior to the API returning a - * failure. The following *must* be true; - * BMAN_STOCKPILE_HIGH-BMAN_STOCKPILE_LOW > 8 - * (to avoid thrashing) - * BMAN_STOCKPILE_SZ >= 16 - * (as the release logic expects to either send 8 buffers to hw prior to - * adding the given buffers to the stockpile or add the buffers to the - * stockpile before sending 8 to hw, as the API must be an all-or-nothing - * success/fail.) +/* + * The below bman_p_***() variant might be called in a situation that the cpu + * which the portal affine to is not online yet. + * @bman_portal specifies which portal the API will use. */ -#define BMAN_STOCKPILE_SZ 16u /* number of bufs in per-pool cache */ -#define BMAN_STOCKPILE_LOW 2u /* when fill is <= this, acquire from hw */ -#define BMAN_STOCKPILE_HIGH 14u /* when fill is >= this, release to hw */ +int bman_p_irqsource_add(struct bman_portal *p, u32 bits); -/*************************************************/ -/* BMan s/w corenet portal, low-level i/face */ -/*************************************************/ - -/* Used by all portal interrupt registers except 'inhibit' +/* + * Used by all portal interrupt registers except 'inhibit' * This mask contains all the "irqsource" bits visible to API users */ -#define BM_PIRQ_VISIBLE (BM_PIRQ_RCRI | BM_PIRQ_BSCN) - -/* These are bm_<reg>_<verb>(). So for example, bm_disable_write() means "write - * the disable register" rather than "disable the ability to write". */ -#define bm_isr_status_read(bm) __bm_isr_read(bm, bm_isr_status) -#define bm_isr_status_clear(bm, m) __bm_isr_write(bm, bm_isr_status, m) -#define bm_isr_enable_read(bm) __bm_isr_read(bm, bm_isr_enable) -#define bm_isr_enable_write(bm, v) __bm_isr_write(bm, bm_isr_enable, v) -#define bm_isr_disable_read(bm) __bm_isr_read(bm, bm_isr_disable) -#define bm_isr_disable_write(bm, v) __bm_isr_write(bm, bm_isr_disable, v) -#define bm_isr_inhibit(bm) __bm_isr_write(bm, bm_isr_inhibit, 1) -#define bm_isr_uninhibit(bm) __bm_isr_write(bm, bm_isr_inhibit, 0) +#define BM_PIRQ_VISIBLE BM_PIRQ_RCRI const struct bm_portal_config * bman_get_bm_portal_config(const struct bman_portal *portal); -#endif /* CONFIG_FSL_BMAN_PORTAL* */ |