highsubchan must be int to prevent wrap
Use CHSC_REQRSP_SIZE #define instead of constant
Pack structs
Field rename for consistency
Remove rsp hdr fields from rsp structs for consistency
Fix dev->pmcw.pim for loop bug: s/b until < 8, not 7.
Use standard return functions
Mostly cosmetic
Standardized request length error checking function
Fix buffer overflow in various CHSC calls
#define CHSC_DEBUG