DPDK logo

Elixir Cross Referencer

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(C) 2021 Marvell.
 */

#ifndef _ROC_DEV_PRIV_H
#define _ROC_DEV_PRIV_H

#define DEV_HWCAP_F_VF BIT_ULL(0) /* VF device */

#define RVU_PFVF_PF_SHIFT   10
#define RVU_PFVF_PF_MASK    0x3F
#define RVU_PFVF_FUNC_SHIFT 0
#define RVU_PFVF_FUNC_MASK  0x3FF
#define RVU_MAX_VF	    64 /* RVU_PF_VFPF_MBOX_INT(0..1) */
#define RVU_MAX_INT_RETRY   3

/* PF/VF message handling timer */
#define VF_PF_MBOX_TIMER_MS (20 * 1000)

typedef struct {
/* 128 devices translate to two 64 bits dwords */
#define MAX_VFPF_DWORD_BITS 2
	uint64_t bits[MAX_VFPF_DWORD_BITS];
} dev_intr_t;

/* Link status update callback */
typedef void (*link_info_t)(void *roc_nix,
			    struct cgx_link_user_info *link);

/* PTP info callback */
typedef int (*ptp_info_t)(void *roc_nix, bool enable);

struct dev_ops {
	link_info_t link_status_update;
	ptp_info_t ptp_info_update;
};

#define dev_is_vf(dev) ((dev)->hwcap & DEV_HWCAP_F_VF)

static inline int
dev_get_vf(uint16_t pf_func)
{
	return (((pf_func >> RVU_PFVF_FUNC_SHIFT) & RVU_PFVF_FUNC_MASK) - 1);
}

static inline int
dev_get_pf(uint16_t pf_func)
{
	return (pf_func >> RVU_PFVF_PF_SHIFT) & RVU_PFVF_PF_MASK;
}

static inline int
dev_pf_func(int pf, int vf)
{
	return (pf << RVU_PFVF_PF_SHIFT) | ((vf << RVU_PFVF_FUNC_SHIFT) + 1);
}

static inline int
dev_is_afvf(uint16_t pf_func)
{
	return !(pf_func & ~RVU_PFVF_FUNC_MASK);
}

struct dev {
	uint16_t pf;
	int16_t vf;
	uint16_t pf_func;
	uint8_t mbox_active;
	bool drv_inited;
	uint64_t active_vfs[MAX_VFPF_DWORD_BITS];
	uintptr_t bar2;
	uintptr_t bar4;
	uintptr_t lmt_base;
	struct mbox mbox_local;
	struct mbox mbox_up;
	struct mbox mbox_vfpf;
	struct mbox mbox_vfpf_up;
	dev_intr_t intr;
	int timer_set; /* ~0 : no alarm handling */
	uint64_t hwcap;
	struct npa_lf npa;
	struct mbox *mbox;
	uint16_t maxvf;
	struct dev_ops *ops;
	void *roc_nix;
	bool disable_shared_lmt; /* false(default): shared lmt mode enabled */
} __plt_cache_aligned;

struct npa {
	struct plt_pci_device *pci_dev;
	struct dev dev;
} __plt_cache_aligned;

extern uint16_t dev_rclk_freq;
extern uint16_t dev_sclk_freq;

int dev_init(struct dev *dev, struct plt_pci_device *pci_dev);
int dev_fini(struct dev *dev, struct plt_pci_device *pci_dev);
int dev_active_vfs(struct dev *dev);

int dev_irq_register(struct plt_intr_handle *intr_handle,
		     plt_intr_callback_fn cb, void *data, unsigned int vec);
void dev_irq_unregister(struct plt_intr_handle *intr_handle,
			plt_intr_callback_fn cb, void *data, unsigned int vec);
int dev_irqs_disable(struct plt_intr_handle *intr_handle);

#endif /* _ROC_DEV_PRIV_H */