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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768/* SPDX-License-Identifier: GPL-2.0 *//* * Internal Shared Memory * * Definitions for the ISM module * * Copyright IBM Corp. 2022 */#ifndef _ISM_H#define _ISM_H
#include <linux/workqueue.h>
/* Unless we gain unexpected popularity, this limit should hold for a while */#define MAX_CLIENTS 8#define ISM_NR_DMBS 1920
struct ism_dev { spinlock_t lock; /* protects the ism device */ spinlock_t cmd_lock; /* serializes cmds */ struct list_head list; struct dibs_dev *dibs; struct pci_dev *pdev;
struct ism_sba *sba; dma_addr_t sba_dma_addr; DECLARE_BITMAP(sba_bitmap, ISM_NR_DMBS); void *priv[MAX_CLIENTS];
struct ism_eq *ieq; dma_addr_t ieq_dma_addr;
int ieq_idx;
struct ism_client *subs[MAX_CLIENTS];};
struct ism_event { u32 type; u32 code; u64 tok; u64 time; u64 info;};
struct ism_client { const char *name; void (*handle_event)(struct ism_dev *dev, struct ism_event *event); /* Private area - don't touch! */ u8 id;};
int ism_register_client(struct ism_client *client);int ism_unregister_client(struct ism_client *client);static inline void *ism_get_priv(struct ism_dev *dev, struct ism_client *client) { return dev->priv[client->id];}
static inline void ism_set_priv(struct ism_dev *dev, struct ism_client *client, void *priv) { dev->priv[client->id] = priv;}
const struct smcd_ops *ism_get_smcd_ops(void);
#endif /* _ISM_H */