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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2019 Joyent, Inc.
* Copyright 2020 Oxide Computer Company
*/
#ifndef _SYS_DDI_UFM_IMPL_H
#define _SYS_DDI_UFM_IMPL_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/avl.h>
#include <sys/ddi_ufm.h>
#include <sys/mutex.h>
#include <sys/nvpair.h>
#include <sys/types.h>
typedef enum {
DDI_UFM_STATE_INIT = 1 << 0,
DDI_UFM_STATE_READY = 1 << 1,
DDI_UFM_STATE_SHUTTING_DOWN = 1 << 2
} ddi_ufm_state_t;
/* private interface for startup_ddi() */
void ufm_init();
/* private interfaces for ufm driver */
struct ddi_ufm_handle *ufm_find(const char *);
int ufm_cache_fill(struct ddi_ufm_handle *ufmh);
int ufm_read_img(ddi_ufm_handle_t *, uint_t, uint_t, uint64_t, uint64_t,
uintptr_t, uint64_t *, int);
struct ddi_ufm_slot {
uint_t ufms_slotno;
char *ufms_version;
ddi_ufm_attr_t ufms_attrs;
uint64_t ufms_imgsize;
nvlist_t *ufms_misc;
};
struct ddi_ufm_image {
uint_t ufmi_imageno;
char *ufmi_desc;
nvlist_t *ufmi_misc;
struct ddi_ufm_slot *ufmi_slots;
uint_t ufmi_nslots;
};
struct ddi_ufm_handle {
/*
* The following fields get filled in when a UFM-aware driver calls
* ddi_ufm_init(9E). They remain valid until the driver calls
* ddi_ufm_fini(9E). You can test for validity of these fields by
* checking if the DDI_UFM_STATE_INIT flag is set in ufmh_state.
*/
kmutex_t ufmh_lock;
char ufmh_devpath[MAXPATHLEN];
ddi_ufm_ops_t *ufmh_ops;
void *ufmh_arg;
uint_t ufmh_state;
uint_t ufmh_version;
/*
* The following four fields represent lazily cached UFM data
* retrieved from a UFM-aware driver. If ufmh_report is non-NULL
* then all four of these fields will contain valid data.
*/
struct ddi_ufm_image *ufmh_images;
uint_t ufmh_nimages;
ddi_ufm_cap_t ufmh_caps;
nvlist_t *ufmh_report;
avl_node_t ufmh_link;
};
#ifdef __cplusplus
}
#endif
#endif /* _SYS_DDI_UFM_IMPL_H */
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