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Average pps and how to discover cause
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csx_CS_DDI_Info(9F) Kernel Functions for Drivers csx_CS_DDI_Info(9F) NAME
csx_CS_DDI_Info - obtain DDI information SYNOPSIS
#include <sys/pccard.h> int32_t csx_CS_DDI_Info(cs_ddi_info_t *cdi); INTERFACE LEVEL
Solaris DDI Specific (Solaris DDI) PARAMETERS
cdi Pointer to a cs_ddi_info_t structure. DESCRIPTION
This function is a Solaris-specific extension that is used by clients that need to provide the xx_getinfo driver entry point (see get- info(9E)). It provides a method for clients to obtain DDI information based on their socket number and client driver name. STRUCTURE MEMBERS
The structure members of cs_ddi_info_t are: uint32_t Socket; /* socket number */ char* driver_name; /* unique driver name */ dev_info_t *dip; /* dip */ int32_t instance; /* instance */ The fields are defined as follows: Socket This field must be set to the physical socket number that the client is interested in getting information about. driver_name This field must be set to a string containing the name of the client driver to get information about. If csx_CS_DDI_Info() is used in a client's xx_getinfo function, then the client will typically extract the Socket value from the *arg argu- ment and it must set the driver_name field to the same string used with csx_RegisterClient(9F). If the driver_name is found on the Socket, the csx_CS_DDI_Info() function returns both the dev_info pointer and the instance fields for the requested driver instance. RETURN VALUES
CS_SUCCESS Successful operation. CS_BAD_SOCKET Client not found on Socket. CS_UNSUPPORTED_FUNCTION No PCMCIA hardware installed. CONTEXT
This function may be called from user or kernel context. EXAMPLES
Example 1 : Using csx_CS_DDI_Info The following example shows how a client might call the csx_CS_DDI_Info() in the client's xx_getinfo function to return the dip or the instance number: static int pcepp_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result) { int error = DDI_SUCCESS; pcepp_state_t *pps; cs_ddi_info_t cs_ddi_info; switch (cmd) { case DDI_INFO_DEVT2DEVINFO: cs_ddi_info.Socket = getminor((dev_t)arg) & 0x3f; cs_ddi_info.driver_name = pcepp_name; if (csx_CS_DDI_Info(&cs_ddi_info) != CS_SUCCESS) return (DDI_FAILURE); if (!(pps = ddi_get_soft_state(pcepp_soft_state_p, cs_ddi_info.instance))) { *result = NULL; } else { *result = pps->dip; } break; case DDI_INFO_DEVT2INSTANCE: cs_ddi_info.Socket = getminor((dev_t)arg) & 0x3f; cs_ddi_info.driver_name = pcepp_name; if (csx_CS_DDI_Info(&cs_ddi_info) != CS_SUCCESS) return (DDI_FAILURE); *result = (void *)cs_ddi_info.instance; break; default: error = DDI_FAILURE; break; } return (error); } SEE ALSO
getinfo(9E), csx_RegisterClient(9F), ddi_get_instance(9F) PC Card 95 Standard, PCMCIA/JEIDA SunOS 5.11 19 Jul 1996 csx_CS_DDI_Info(9F)
