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staging: unisys: refactor ULTRA_CONTROLVM_PARAMETERS_HEADER 

Remove the typedef from ULTRA_CONTROLVM_PARAMETERS_HEADER, and use struct
spar_controlvm_parameters_header instead. Fix CamelCase names in the structure,
and update references to fixed names in other files and the comments.

TotalLength => total_length
HeaderLength => header_length
ConnectionOffset => connection_offset
ConnectionLength => connection_length
InitiatorOffset => initiator_offset
InitiatorLength => initiator_length
TargetOffset => target_offset
TargetLength => target_length
ClientOffset => client_offset
ClientLength => client_length
NameOffset => name_offset
NameLength => name_length
Id => id
Revision => revision
Reserved => reserved

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Benjamin Romer 2014-10-23 14:30:35 -04:00 committed by Greg Kroah-Hartman
parent d19642f656
commit 6242089330
2 changed files with 49 additions and 49 deletions
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48
drivers/staging/unisys/common-spar/include/channels/controlvmchannel.h
View File

@ -483,31 +483,29 @@ struct spar_controlvm_channel_protocol {
offsetof(struct spar_controlvm_channel_protocol, saved_crash_msg)
/* The following header will be located at the beginning of PayloadVmOffset for
* various ControlVm commands. The receiver of a ControlVm command with a
* PayloadVmOffset will dereference this address and then use ConnectionOffset,
* InitiatorOffset, and TargetOffset to get the location of UTF-8 formatted
* strings that can be parsed to obtain command-specific information. The value
* of TotalLength should equal PayloadBytes. The format of the strings at
* PayloadVmOffset will take different forms depending on the message. See the
* following Wiki page for more information:
* https://ustr-linux-1.na.uis.unisys.com/spar/index.php/ControlVm_Parameters_Area
* various ControlVm commands. The receiver of a ControlVm command with a
* PayloadVmOffset will dereference this address and then use connection_offset,
* initiator_offset, and target_offset to get the location of UTF-8 formatted
* strings that can be parsed to obtain command-specific information. The value
* of total_length should equal PayloadBytes. The format of the strings at
* PayloadVmOffset will take different forms depending on the message.
*/
typedef struct _ULTRA_CONTROLVM_PARAMETERS_HEADER {
u32 TotalLength;
u32 HeaderLength;
u32 ConnectionOffset;
u32 ConnectionLength;
u32 InitiatorOffset;
u32 InitiatorLength;
u32 TargetOffset;
u32 TargetLength;
u32 ClientOffset;
u32 ClientLength;
u32 NameOffset;
u32 NameLength;
uuid_le Id;
u32 Revision;
u32 Reserved; /* Natural alignment */
} ULTRA_CONTROLVM_PARAMETERS_HEADER;
struct spar_controlvm_parameters_header {
u32 total_length;
u32 header_length;
u32 connection_offset;
u32 connection_length;
u32 initiator_offset;
u32 initiator_length;
u32 target_offset;
u32 target_length;
u32 client_offset;
u32 client_length;
u32 name_offset;
u32 name_length;
uuid_le id;
u32 revision;
u32 reserved; /* Natural alignment */
};
#endif /* __CONTROLVMCHANNEL_H__ */

50
drivers/staging/unisys/visorchipset/parser.c
View File

@ -48,7 +48,7 @@ parser_init_guts(u64 addr, u32 bytes, BOOL isLocal,
PARSER_CONTEXT *rc = NULL;
PARSER_CONTEXT *ctx = NULL;
MEMREGION *rgn = NULL;
ULTRA_CONTROLVM_PARAMETERS_HEADER *phdr = NULL;
struct spar_controlvm_parameters_header *phdr = NULL;
if (tryAgain)
*tryAgain = FALSE;
@ -110,27 +110,29 @@ parser_init_guts(u64 addr, u32 bytes, BOOL isLocal,
rc = ctx;
goto Away;
}
phdr = (ULTRA_CONTROLVM_PARAMETERS_HEADER *) (ctx->data);
if (phdr->TotalLength != bytes) {
phdr = (struct spar_controlvm_parameters_header *)(ctx->data);
if (phdr->total_length != bytes) {
ERRDRV("%s - bad total length %lu (should be %lu)",
__func__,
(ulong) (phdr->TotalLength), (ulong) (bytes));
(ulong) (phdr->total_length), (ulong) (bytes));
rc = NULL;
goto Away;
}
if (phdr->TotalLength < phdr->HeaderLength) {
if (phdr->total_length < phdr->header_length) {
ERRDRV("%s - total length < header length (%lu < %lu)",
__func__,
(ulong) (phdr->TotalLength),
(ulong) (phdr->HeaderLength));
(ulong) (phdr->total_length),
(ulong) (phdr->header_length));
rc = NULL;
goto Away;
}
if (phdr->HeaderLength < sizeof(ULTRA_CONTROLVM_PARAMETERS_HEADER)) {
if (phdr->header_length <
sizeof(struct spar_controlvm_parameters_header)) {
ERRDRV("%s - header is too small (%lu < %lu)",
__func__,
(ulong) (phdr->HeaderLength),
(ulong) (sizeof(ULTRA_CONTROLVM_PARAMETERS_HEADER)));
(ulong) (phdr->header_length),
(ulong)(sizeof(
struct spar_controlvm_parameters_header)));
rc = NULL;
goto Away;
}
@ -159,7 +161,7 @@ parser_init(u64 addr, u32 bytes, BOOL isLocal, BOOL *tryAgain)
}
/* Call this instead of parser_init() if the payload area consists of just
* a sequence of bytes, rather than a ULTRA_CONTROLVM_PARAMETERS_HEADER
* a sequence of bytes, rather than a struct spar_controlvm_parameters_header
* structures. Afterwards, you can call parser_simpleString_get() or
* parser_byteStream_get() to obtain the data.
*/
@ -196,44 +198,44 @@ parser_byteStream_get(PARSER_CONTEXT *ctx, ulong *nbytes)
uuid_le
parser_id_get(PARSER_CONTEXT *ctx)
{
ULTRA_CONTROLVM_PARAMETERS_HEADER *phdr = NULL;
struct spar_controlvm_parameters_header *phdr = NULL;
if (ctx == NULL) {
ERRDRV("%s (%s:%d) - no context",
__func__, __FILE__, __LINE__);
return NULL_UUID_LE;
}
phdr = (ULTRA_CONTROLVM_PARAMETERS_HEADER *) (ctx->data);
return phdr->Id;
phdr = (struct spar_controlvm_parameters_header *)(ctx->data);
return phdr->id;
}
void
parser_param_start(PARSER_CONTEXT *ctx, PARSER_WHICH_STRING which_string)
{
ULTRA_CONTROLVM_PARAMETERS_HEADER *phdr = NULL;
struct spar_controlvm_parameters_header *phdr = NULL;
if (ctx == NULL) {
ERRDRV("%s (%s:%d) - no context",
__func__, __FILE__, __LINE__);
goto Away;
}
phdr = (ULTRA_CONTROLVM_PARAMETERS_HEADER *) (ctx->data);
phdr = (struct spar_controlvm_parameters_header *)(ctx->data);
switch (which_string) {
case PARSERSTRING_INITIATOR:
ctx->curr = ctx->data + phdr->InitiatorOffset;
ctx->bytes_remaining = phdr->InitiatorLength;
ctx->curr = ctx->data + phdr->initiator_offset;
ctx->bytes_remaining = phdr->initiator_length;
break;
case PARSERSTRING_TARGET:
ctx->curr = ctx->data + phdr->TargetOffset;
ctx->bytes_remaining = phdr->TargetLength;
ctx->curr = ctx->data + phdr->target_offset;
ctx->bytes_remaining = phdr->target_length;
break;
case PARSERSTRING_CONNECTION:
ctx->curr = ctx->data + phdr->ConnectionOffset;
ctx->bytes_remaining = phdr->ConnectionLength;
ctx->curr = ctx->data + phdr->connection_offset;
ctx->bytes_remaining = phdr->connection_length;
break;
case PARSERSTRING_NAME:
ctx->curr = ctx->data + phdr->NameOffset;
ctx->bytes_remaining = phdr->NameLength;
ctx->curr = ctx->data + phdr->name_offset;
ctx->bytes_remaining = phdr->name_length;
break;
default:
ERRDRV("%s - bad which_string %d", __func__, which_string);