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crypto: ccp - Make syslog errors human-readable

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Add human-readable strings to log messages about CCP errors

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Gary R Hook 2016-09-28 11:53:56 -05:00 committed by Herbert Xu
parent 9ddb9dc6be
commit 81422badb3
4 changed files with 61 additions and 0 deletions
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3
drivers/crypto/ccp/ccp-dev-v3.c
View File

@ -124,6 +124,9 @@ static int ccp_do_cmd(struct ccp_op *op, u32 *cr, unsigned int cr_count)
/* On error delete all related jobs from the queue */
cmd = (cmd_q->id << DEL_Q_ID_SHIFT)
| op->jobid;
if (cmd_q->cmd_error)
ccp_log_error(cmd_q->ccp,
cmd_q->cmd_error);
iowrite32(cmd, ccp->io_regs + DEL_CMD_Q_JOB);

3
drivers/crypto/ccp/ccp-dev-v5.c
View File

@ -243,6 +243,9 @@ static int ccp5_do_cmd(struct ccp5_desc *desc,
ret = wait_event_interruptible(cmd_q->int_queue,
cmd_q->int_rcvd);
if (ret || cmd_q->cmd_error) {
if (cmd_q->cmd_error)
ccp_log_error(cmd_q->ccp,
cmd_q->cmd_error);
/* A version 5 device doesn't use Job IDs... */
if (!ret)
ret = -EIO;

53
drivers/crypto/ccp/ccp-dev.c
View File

@ -40,6 +40,59 @@ struct ccp_tasklet_data {
struct ccp_cmd *cmd;
};
/* Human-readable error strings */
char *ccp_error_codes[] = {
"",
"ERR 01: ILLEGAL_ENGINE",
"ERR 02: ILLEGAL_KEY_ID",
"ERR 03: ILLEGAL_FUNCTION_TYPE",
"ERR 04: ILLEGAL_FUNCTION_MODE",
"ERR 05: ILLEGAL_FUNCTION_ENCRYPT",
"ERR 06: ILLEGAL_FUNCTION_SIZE",
"ERR 07: Zlib_MISSING_INIT_EOM",
"ERR 08: ILLEGAL_FUNCTION_RSVD",
"ERR 09: ILLEGAL_BUFFER_LENGTH",
"ERR 10: VLSB_FAULT",
"ERR 11: ILLEGAL_MEM_ADDR",
"ERR 12: ILLEGAL_MEM_SEL",
"ERR 13: ILLEGAL_CONTEXT_ID",
"ERR 14: ILLEGAL_KEY_ADDR",
"ERR 15: 0xF Reserved",
"ERR 16: Zlib_ILLEGAL_MULTI_QUEUE",
"ERR 17: Zlib_ILLEGAL_JOBID_CHANGE",
"ERR 18: CMD_TIMEOUT",
"ERR 19: IDMA0_AXI_SLVERR",
"ERR 20: IDMA0_AXI_DECERR",
"ERR 21: 0x15 Reserved",
"ERR 22: IDMA1_AXI_SLAVE_FAULT",
"ERR 23: IDMA1_AIXI_DECERR",
"ERR 24: 0x18 Reserved",
"ERR 25: ZLIBVHB_AXI_SLVERR",
"ERR 26: ZLIBVHB_AXI_DECERR",
"ERR 27: 0x1B Reserved",
"ERR 27: ZLIB_UNEXPECTED_EOM",
"ERR 27: ZLIB_EXTRA_DATA",
"ERR 30: ZLIB_BTYPE",
"ERR 31: ZLIB_UNDEFINED_SYMBOL",
"ERR 32: ZLIB_UNDEFINED_DISTANCE_S",
"ERR 33: ZLIB_CODE_LENGTH_SYMBOL",
"ERR 34: ZLIB _VHB_ILLEGAL_FETCH",
"ERR 35: ZLIB_UNCOMPRESSED_LEN",
"ERR 36: ZLIB_LIMIT_REACHED",
"ERR 37: ZLIB_CHECKSUM_MISMATCH0",
"ERR 38: ODMA0_AXI_SLVERR",
"ERR 39: ODMA0_AXI_DECERR",
"ERR 40: 0x28 Reserved",
"ERR 41: ODMA1_AXI_SLVERR",
"ERR 42: ODMA1_AXI_DECERR",
"ERR 43: LSB_PARITY_ERR",
};
void ccp_log_error(struct ccp_device *d, int e)
{
dev_err(d->dev, "CCP error: %s (0x%x)\n", ccp_error_codes[e], e);
}
/* List of CCPs, CCP count, read-write access lock, and access functions
*
* Lock structure: get ccp_unit_lock for reading whenever we need to

2
drivers/crypto/ccp/ccp-dev.h
View File

@ -601,6 +601,8 @@ void ccp_platform_exit(void);
void ccp_add_device(struct ccp_device *ccp);
void ccp_del_device(struct ccp_device *ccp);
extern void ccp_log_error(struct ccp_device *, int);
struct ccp_device *ccp_alloc_struct(struct device *dev);
bool ccp_queues_suspended(struct ccp_device *ccp);
int ccp_cmd_queue_thread(void *data);