diff options
Diffstat (limited to 'sys/cam/cam.c')
| -rw-r--r-- | sys/cam/cam.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/sys/cam/cam.c b/sys/cam/cam.c index 4c28e42954fc..3f410bb27f9c 100644 --- a/sys/cam/cam.c +++ b/sys/cam/cam.c @@ -29,7 +29,71 @@ */ #include <sys/param.h> +#ifdef _KERNEL +#include <sys/systm.h> +#else /* _KERNEL */ +#include <stdlib.h> +#include <stdio.h> +#endif /* _KERNEL */ + #include <cam/cam.h> +#include <cam/cam_ccb.h> +#include <cam/scsi/scsi_all.h> +#include <sys/sbuf.h> + +#ifdef _KERNEL +#include <sys/libkern.h> +#include <cam/cam_xpt.h> +#endif + +static int camstatusentrycomp(const void *key, const void *member); + +const struct cam_status_entry cam_status_table[] = { + { CAM_REQ_INPROG, "CCB request is in progress" }, + { CAM_REQ_CMP, "CCB request completed without error" }, + { CAM_REQ_ABORTED, "CCB request aborted by the host" }, + { CAM_UA_ABORT, "Unable to abort CCB request" }, + { CAM_REQ_CMP_ERR, "CCB request completed with an error" }, + { CAM_BUSY, "CAM subsytem is busy" }, + { CAM_REQ_INVALID, "CCB request was invalid" }, + { CAM_PATH_INVALID, "Supplied Path ID is invalid" }, + { CAM_DEV_NOT_THERE, "Device Not Present" }, + { CAM_UA_TERMIO, "Unable to terminate I/O CCB request" }, + { CAM_SEL_TIMEOUT, "Selection Timeout" }, + { CAM_CMD_TIMEOUT, "Command timeout" }, + { CAM_SCSI_STATUS_ERROR, "SCSI Status Error" }, + { CAM_MSG_REJECT_REC, "Message Reject Reveived" }, + { CAM_SCSI_BUS_RESET, "SCSI Bus Reset Sent/Received" }, + { CAM_UNCOR_PARITY, "Uncorrectable parity/CRC error" }, + { CAM_AUTOSENSE_FAIL, "Auto-Sense Retrieval Failed" }, + { CAM_NO_HBA, "No HBA Detected" }, + { CAM_DATA_RUN_ERR, "Data Overrun error" }, + { CAM_UNEXP_BUSFREE, "Unexpected Bus Free" }, + { CAM_SEQUENCE_FAIL, "Target Bus Phase Sequence Failure" }, + { CAM_CCB_LEN_ERR, "CCB length supplied is inadequate" }, + { CAM_PROVIDE_FAIL, "Unable to provide requested capability" }, + { CAM_BDR_SENT, "SCSI BDR Message Sent" }, + { CAM_REQ_TERMIO, "CCB request terminated by the host" }, + { CAM_UNREC_HBA_ERROR, "Unrecoverable Host Bus Adapter Error" }, + { CAM_REQ_TOO_BIG, "The request was too large for this host" }, + { CAM_REQUEUE_REQ, "Unconditionally Re-queue Request", }, + { CAM_IDE, "Initiator Detected Error Message Received" }, + { CAM_RESRC_UNAVAIL, "Resource Unavailable" }, + { CAM_UNACKED_EVENT, "Unacknowledged Event by Host" }, + { CAM_MESSAGE_RECV, "Message Received in Host Target Mode" }, + { CAM_INVALID_CDB, "Invalid CDB received in Host Target Mode" }, + { CAM_LUN_INVALID, "Invalid Lun" }, + { CAM_TID_INVALID, "Invalid Target ID" }, + { CAM_FUNC_NOTAVAIL, "Function Not Available" }, + { CAM_NO_NEXUS, "Nexus Not Established" }, + { CAM_IID_INVALID, "Invalid Initiator ID" }, + { CAM_CDB_RECVD, "CDB Received" }, + { CAM_LUN_ALRDY_ENA, "LUN Already Enabled for Target Mode" }, + { CAM_SCSI_BUSY, "SCSI Bus Busy" }, +}; + +const int num_cam_status_entries = + sizeof(cam_status_table)/sizeof(*cam_status_table); void cam_strvis(u_int8_t *dst, const u_int8_t *src, int srclen, int dstlen) @@ -107,3 +171,183 @@ cam_quirkmatch(caddr_t target, caddr_t quirk_table, int num_entries, } return (NULL); } + +const struct cam_status_entry* +cam_fetch_status_entry(cam_status status) +{ + status &= CAM_STATUS_MASK; + return (bsearch(&status, &cam_status_table, + num_cam_status_entries, + sizeof(*cam_status_table), + camstatusentrycomp)); +} + +static int +camstatusentrycomp(const void *key, const void *member) +{ + cam_status status; + const struct cam_status_entry *table_entry; + + status = *(const cam_status *)key; + table_entry = (const struct cam_status_entry *)member; + + return (status - table_entry->status_code); +} + + +#ifdef _KERNEL +char * +cam_error_string(union ccb *ccb, char *str, int str_len, + cam_error_string_flags flags, + cam_error_proto_flags proto_flags) +#else /* !_KERNEL */ +char * +cam_error_string(struct cam_device *device, union ccb *ccb, char *str, + int str_len, cam_error_string_flags flags, + cam_error_proto_flags proto_flags) +#endif /* _KERNEL/!_KERNEL */ +{ + char path_str[64]; + struct sbuf sb; + + if ((ccb == NULL) + || (str == NULL) + || (str_len <= 0)) + return(NULL); + + if (flags == CAM_ESF_NONE) + return(NULL); + + switch (ccb->ccb_h.func_code) { + case XPT_SCSI_IO: + switch (proto_flags & CAM_EPF_LEVEL_MASK) { + case CAM_EPF_NONE: + break; + case CAM_EPF_ALL: + case CAM_EPF_NORMAL: + proto_flags |= CAM_ESF_PRINT_SENSE; + /* FALLTHROUGH */ + case CAM_EPF_MINIMAL: + proto_flags |= CAM_ESF_PRINT_STATUS; + default: + break; + } + break; + default: + break; + } +#ifdef _KERNEL + xpt_path_string(ccb->csio.ccb_h.path, path_str, sizeof(path_str)); +#else /* !_KERNEL */ + cam_path_string(device, path_str, sizeof(path_str)); +#endif /* _KERNEL/!_KERNEL */ + + sbuf_new(&sb, str, str_len, 0); + + if (flags & CAM_ESF_COMMAND) { + + sbuf_cat(&sb, path_str); + + switch (ccb->ccb_h.func_code) { + case XPT_SCSI_IO: +#ifdef _KERNEL + scsi_command_string(&ccb->csio, &sb); +#else /* !_KERNEL */ + scsi_command_string(device, &ccb->csio, &sb); +#endif /* _KERNEL/!_KERNEL */ + sbuf_printf(&sb, "\n"); + + break; + default: + break; + } + } + + if (flags & CAM_ESF_CAM_STATUS) { + cam_status status; + const struct cam_status_entry *entry; + + sbuf_cat(&sb, path_str); + + status = ccb->ccb_h.status & CAM_STATUS_MASK; + + entry = cam_fetch_status_entry(status); + + if (entry == NULL) + sbuf_printf(&sb, "CAM Status: Unknown (%#x)\n", + ccb->ccb_h.status); + else + sbuf_printf(&sb, "CAM Status: %s\n", + entry->status_text); + } + + if (flags & CAM_ESF_PROTO_STATUS) { + + switch (ccb->ccb_h.func_code) { + case XPT_SCSI_IO: + if ((ccb->ccb_h.status & CAM_STATUS_MASK) != + CAM_SCSI_STATUS_ERROR) + break; + + if (proto_flags & CAM_ESF_PRINT_STATUS) { + sbuf_cat(&sb, path_str); + /* + * Print out the SCSI status byte as long as + * the user wants some protocol output. + */ + sbuf_printf(&sb, "SCSI Status: %s\n", + scsi_status_string(&ccb->csio)); + } + + if ((proto_flags & CAM_ESF_PRINT_SENSE) + && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) + && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)) { + +#ifdef _KERNEL + scsi_sense_sbuf(&ccb->csio, &sb, + SSS_FLAG_NONE); +#else /* !_KERNEL */ + scsi_sense_sbuf(device, &ccb->csio, &sb, + SSS_FLAG_NONE); +#endif /* _KERNEL/!_KERNEL */ + } + break; + default: + break; + } + } + + sbuf_finish(&sb); + + return(sbuf_data(&sb)); +} + +#ifdef _KERNEL + +void +cam_error_print(union ccb *ccb, cam_error_string_flags flags, + cam_error_proto_flags proto_flags) +{ + char str[512]; + + printf("%s", cam_error_string(ccb, str, sizeof(str), flags, + proto_flags)); +} + +#else /* !_KERNEL */ + +void +cam_error_print(struct cam_device *device, union ccb *ccb, + cam_error_string_flags flags, cam_error_proto_flags proto_flags, + FILE *ofile) +{ + char str[512]; + + if ((device == NULL) || (ccb == NULL) || (ofile == NULL)) + return; + + fprintf(ofile, "%s", cam_error_string(device, ccb, str, sizeof(str), + flags, proto_flags)); +} + +#endif /* _KERNEL/!_KERNEL */ |