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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_PX_MSI_H
#define _SYS_PX_MSI_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* MSI data structure.
*/
typedef struct px_msi {
dev_info_t *msi_dip; /* MSI consumer dip */
int msi_inum; /* INUM for this device */
uint_t msi_state; /* MSI alloc state */
msinum_t msi_msinum; /* MSI number */
msiqid_t msi_msiq_id; /* MSIQ used */
} px_msi_t;
#define MSI_STATE_FREE 0x1
#define MSI_STATE_INUSE 0x2
/*
* MSI soft state structure.
*/
typedef struct px_msi_state {
uint_t msi_cnt; /* No of MSIs */
msinum_t msi_1st_msinum; /* First MSI number */
uint_t msi_data_mask; /* MSI data mask */
uint_t msi_data_width; /* MSI data width */
uint64_t msi_addr32; /* MSI 32 address */
uint64_t msi_addr32_len; /* MSI 32 length */
uint64_t msi_addr64; /* MSI 64 address */
uint64_t msi_addr64_len; /* MSI 64 length */
px_msi_t *msi_p; /* Pointer to MSIs array */
kmutex_t msi_mutex; /* Mutex for MSI alloc/free */
uint_t msi_type; /* MSI or MSI-X */
boolean_t msi_mem_flg; /* TRUE if driver allocates memory */
ddi_irm_pool_t *msi_pool_p; /* IRM Pool */
} px_msi_state_t;
/*
* px_msi_ranges
*/
typedef struct px_msi_ranges {
int msi_no;
int no_msis;
} px_msi_ranges_t;
/*
* px_msi_address_ranges
*/
typedef struct px_msi_address_ranges {
uint32_t msi_addr32_hi;
uint32_t msi_addr32_lo;
uint32_t msi_addr32_len;
uint32_t msi_addr64_hi;
uint32_t msi_addr64_lo;
uint32_t msi_addr64_len;
} px_msi_address_ranges_t;
#define PX_MSI_WIDTH 16
#define PX_MSIX_WIDTH 32
extern int px_msi_attach(px_t *px_p);
extern void px_msi_detach(px_t *px_p);
extern int px_msi_alloc(px_t *px_p, dev_info_t *rdip, int type, int inum,
int msi_count, int flag, int *actual_msi_count_p);
extern int px_msi_free(px_t *px_p, dev_info_t *rdip, int inum,
int msi_count);
extern int px_msi_get_msinum(px_t *px_p, dev_info_t *rdip,
int inum, msinum_t *msi_num_p);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PX_MSI_H */
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