px_var.h revision 0168954460bd77d83497a4a6aa9c3f34c55dba25
/*
* 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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_PX_VAR_H
#define _SYS_PX_VAR_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/callb.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* offsets of PCI address spaces from base address:
*/
#define PX_CONFIG 0x001000000ull
#define PX_A_IO 0x002000000ull
#define PX_B_IO 0x002010000ull
#define PX_A_MEMORY 0x100000000ull
#define PX_B_MEMORY 0x180000000ull
#define PX_IO_SIZE 0x000010000ull
#define PX_MEM_SIZE 0x080000000ull
/*
* The following typedef is used to represent a
* 1275 "bus-range" property of a PCI Bus node.
*/
typedef struct px_bus_range {
uint32_t lo;
uint32_t hi;
} px_bus_range_t;
/*
* The following typedef is used to represent an entry in the "ranges"
* property of a device node.
*/
typedef struct px_ranges {
uint32_t child_high;
uint32_t child_mid;
uint32_t child_low;
uint32_t parent_high;
uint32_t parent_low;
uint32_t size_high;
uint32_t size_low;
} px_ranges_t;
/*
* The following typedef is used to represent a
* 1275 "reg" property of a PCI nexus.
*/
typedef struct px_nexus_regspec {
uint64_t phys_addr;
uint64_t size;
} px_nexus_regspec_t;
typedef enum {
PX_ATTACHED = 1,
PX_DETACHED,
PX_SUSPENDED
} px_state_t;
enum { PX_INTR_XBC, PX_INTR_PEC };
#define PX_ATTACH_RETCODE(obj, op, err) \
((err) ? (obj) << 8 | (op) << 4 | (err) & 0xf : DDI_SUCCESS)
/*
* px soft state structure:
*
* Each px node has a px soft state structure.
*/
struct px {
/*
* State flags and mutex:
*/
px_state_t px_state;
uint_t px_soft_state;
uint_t px_open_count;
kmutex_t px_mutex;
/*
* Links to other state structures:
*/
dev_info_t *px_dip; /* devinfo structure */
devhandle_t px_dev_hdl; /* device handle */
px_ib_t *px_ib_p; /* interrupt block */
px_pec_t *px_pec_p; /* PEC block */
px_mmu_t *px_mmu_p; /* IOMMU block */
/*
* px device node properties:
*/
px_bus_range_t px_bus_range; /* "bus-range" */
px_ranges_t *px_ranges_p; /* "ranges" data & length */
int px_ranges_length;
devino_t *px_inos; /* inos from "interrupts" prop */
int px_inos_len; /* "interrupts" length */
/* Error handling */
px_fault_t px_fault;
px_fault_t px_cb_fault;
/* FMA */
int px_fm_cap;
kmutex_t px_fm_mutex;
ddi_iblock_cookie_t px_fm_ibc;
uint32_t px_dev_caps;
/* Platform specific information */
void *px_plat_p;
/* Power Management fields */
kmutex_t px_l23ready_lock; /* used in PME_To_ACK interrupt */
kcondvar_t px_l23ready_cv; /* used in PME_TO_ACK timeout */
volatile uint32_t px_lup_pending;
int px_pm_flags;
msiqid_t px_pm_msiq_id; /* EQ id for PCIE_PME_ACK_MSG Message */
uint32_t px_pmetoack_ignored; /* count of PME_To_ACKs ignored */
uint32_t px_pme_ignored; /* count of PME ignored */
/* CPR callback id */
callb_id_t px_cprcb_id;
};
/* px soft state flag */
#define PX_SOFT_STATE_OPEN 0x01
#define PX_SOFT_STATE_OPEN_EXCL 0x02
#define PX_SOFT_STATE_CLOSED 0x04
/* px_dev_caps definition */
#define PX_BYPASS_DMA_ALLOWED 0x00000001
#define PX_HOTPLUG_CAPABLE 0x00000002
/* px_pm_flags definitions used with interrupts and FMA code */
#define PX_PMETOACK_RECVD 0x01 /* With PME_To_ACK interrupt */
#define PX_PME_TURNOFF_PENDING 0x02 /* With PME_To_ACK interrupt */
#define PX_LDN_EXPECTED 0x04 /* With FMA code */
#define DIP_TO_INST(dip) ddi_get_instance(dip)
#define INST_TO_STATE(inst) ddi_get_soft_state(px_state_p, inst)
#define DIP_TO_STATE(dip) INST_TO_STATE(DIP_TO_INST(dip))
#define PX_DEV_TO_SOFTSTATE(dev) ((px_t *)ddi_get_soft_state( \
px_state_p, PCIHP_AP_MINOR_NUM_TO_INSTANCE(getminor(dev))))
extern void *px_state_p;
/*
* function prototypes for bus ops routines:
*/
extern int
px_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp,
off_t offset, off_t len, caddr_t *addrp);
extern int
px_dma_setup(dev_info_t *dip, dev_info_t *rdip,
ddi_dma_req_t *dmareq, ddi_dma_handle_t *handlep);
extern int
px_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attrp,
int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep);
extern int
px_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip,
ddi_dma_handle_t handle, ddi_dma_req_t *dmareq,
ddi_dma_cookie_t *cookiep, uint_t *ccountp);
extern int
px_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip,
ddi_dma_handle_t handle);
extern int
px_dma_ctlops(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
enum ddi_dma_ctlops cmd, off_t *offp, size_t *lenp, caddr_t *objp,
uint_t cache_flags);
extern int
px_ctlops(dev_info_t *dip, dev_info_t *rdip,
ddi_ctl_enum_t op, void *arg, void *result);
extern int
px_intr_ops(dev_info_t *dip, dev_info_t *rdip, ddi_intr_op_t intr_op,
ddi_intr_handle_impl_t *handle, void *result);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PX_VAR_H */