Author: marius
Date: Wed Jun 5 01:07:40 2013
New Revision: 251402
URL: http://svnweb.freebsd.org/changeset/base/251402
Log:
Handle/mark/nuke unused arguments.
Modified:
head/sys/dev/sym/sym_hipd.c
Modified: head/sys/dev/sym/sym_hipd.c
==============================================================================
--- head/sys/dev/sym/sym_hipd.c Wed Jun 5 00:45:19 2013 (r251401)
+++ head/sys/dev/sym/sym_hipd.c Wed Jun 5 01:07:40 2013 (r251402)
@@ -595,18 +595,25 @@ static void sym_mfree(void *ptr, int siz
* BUS handle. A reverse table (hashed) is maintained for virtual
* to BUS address translation.
*/
-static void getbaddrcb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
+static void getbaddrcb(void *arg, bus_dma_segment_t *segs, int nseg __unused,
+ int error)
{
bus_addr_t *baddr;
+
+ KASSERT(nseg == 1, ("%s: too many DMA segments (%d)", __func__, nseg));
+
baddr = (bus_addr_t *)arg;
- *baddr = segs->ds_addr;
+ if (error)
+ *baddr = 0;
+ else
+ *baddr = segs->ds_addr;
}
static m_addr_t ___dma_getp(m_pool_s *mp)
{
m_vtob_s *vbp;
void *vaddr = NULL;
- bus_addr_t baddr = 0;
+ bus_addr_t baddr;
vbp = __sym_calloc(&mp0, sizeof(*vbp), "VTOB");
if (!vbp)
@@ -1165,6 +1172,14 @@ struct sym_tcb {
};
/*
+ * Assert some alignments required by the chip.
+ */
+CTASSERT(((offsetof(struct sym_reg, nc_sxfer) ^
+ offsetof(struct sym_tcb, head.sval)) &3) == 0);
+CTASSERT(((offsetof(struct sym_reg, nc_scntl3) ^
+ offsetof(struct sym_tcb, head.wval)) &3) == 0);
+
+/*
* Global LCB HEADER.
*
* Due to lack of indirect addressing on earlier NCR chips,
@@ -1265,9 +1280,9 @@ struct sym_pmc {
* LUN(s) > 0.
*/
#if SYM_CONF_MAX_LUN <= 1
-#define sym_lp(np, tp, lun) (!lun) ? (tp)->lun0p : 0
+#define sym_lp(tp, lun) (!lun) ? (tp)->lun0p : 0
#else
-#define sym_lp(np, tp, lun) \
+#define sym_lp(tp, lun) \
(!lun) ? (tp)->lun0p : (tp)->lunmp ? (tp)->lunmp[(lun)] : 0
#endif
@@ -2222,11 +2237,11 @@ static void sym_int_par (hcb_p np, u_sho
static void sym_int_ma (hcb_p np);
static int sym_dequeue_from_squeue(hcb_p np, int i, int target, int lun,
int task);
-static void sym_sir_bad_scsi_status (hcb_p np, int num, ccb_p cp);
+static void sym_sir_bad_scsi_status (hcb_p np, ccb_p cp);
static int sym_clear_tasks (hcb_p np, int status, int targ, int lun, int
task);
static void sym_sir_task_recovery (hcb_p np, int num);
static int sym_evaluate_dp (hcb_p np, ccb_p cp, u32 scr, int *ofs);
-static void sym_modify_dp (hcb_p np, tcb_p tp, ccb_p cp, int ofs);
+static void sym_modify_dp(hcb_p np, ccb_p cp, int ofs);
static int sym_compute_residual (hcb_p np, ccb_p cp);
static int sym_show_msg (u_char * msg);
static void sym_print_msg (ccb_p cp, char *label, u_char *msg);
@@ -2260,7 +2275,7 @@ static int sym_fast_scatter_sg_physical(
static int sym_scatter_sg_physical (hcb_p np, ccb_p cp,
bus_dma_segment_t *psegs, int nsegs);
static void sym_action2 (struct cam_sim *sim, union ccb *ccb);
-static void sym_update_trans (hcb_p np, tcb_p tp, struct sym_trans *tip,
+static void sym_update_trans(hcb_p np, struct sym_trans *tip,
struct ccb_trans_settings *cts);
static void sym_update_dflags(hcb_p np, u_char *flags,
struct ccb_trans_settings *cts);
@@ -2355,6 +2370,7 @@ static void sym_enqueue_cam_ccb(ccb_p cp
static void sym_xpt_done(hcb_p np, union ccb *ccb, ccb_p cp)
{
+
SYM_LOCK_ASSERT(MA_OWNED);
if (ccb->ccb_h.status & CAM_SIM_QUEUED) {
@@ -2368,6 +2384,7 @@ static void sym_xpt_done(hcb_p np, union
static void sym_xpt_done2(hcb_p np, union ccb *ccb, int cam_status)
{
+
SYM_LOCK_ASSERT(MA_OWNED);
sym_set_cam_status(ccb, cam_status);
@@ -4659,7 +4676,7 @@ sym_flush_comp_queue(hcb_p np, int cam_s
* SCRATCHA is assumed to have been loaded with STARTPOS
* before the SCRIPTS called the C code.
*/
-static void sym_sir_bad_scsi_status(hcb_p np, int num, ccb_p cp)
+static void sym_sir_bad_scsi_status(hcb_p np, ccb_p cp)
{
tcb_p tp = &np->target[cp->target];
u32 startp;
@@ -5086,7 +5103,7 @@ static void sym_sir_task_recovery(hcb_p
* an IDENTIFY(lun) + ABORT MESSAGE.
*/
if (lun != -1) {
- lcb_p lp = sym_lp(np, tp, lun);
+ lcb_p lp = sym_lp(tp, lun);
lp->to_clear = 0; /* We donnot expect to fail here */
np->abrt_msg[0] = M_IDENTIFY | lun;
np->abrt_msg[1] = M_ABORT;
@@ -5379,7 +5396,7 @@ out_err:
* Btw, we assume in that situation that such a message
* is equivalent to a MODIFY DATA POINTER (offset=-1).
*/
-static void sym_modify_dp(hcb_p np, tcb_p tp, ccb_p cp, int ofs)
+static void sym_modify_dp(hcb_p np, ccb_p cp, int ofs)
{
int dp_ofs = ofs;
u32 dp_scr = INL (nc_temp);
@@ -6108,7 +6125,7 @@ static void sym_int_sir (hcb_p np)
case SIR_BAD_SCSI_STATUS:
if (!cp)
goto out;
- sym_sir_bad_scsi_status(np, num, cp);
+ sym_sir_bad_scsi_status(np, cp);
return;
/*
* We are asked by the SCRIPTS to prepare a
@@ -6182,7 +6199,7 @@ static void sym_int_sir (hcb_p np)
sym_print_msg(cp,"modify DP",np->msgin);
tmp = (np->msgin[3]<<24) + (np->msgin[4]<<16) +
(np->msgin[5]<<8) + (np->msgin[6]);
- sym_modify_dp(np, tp, cp, tmp);
+ sym_modify_dp(np, cp, tmp);
return;
case M_X_SYNC_REQ:
sym_sync_nego(np, tp, cp);
@@ -6207,7 +6224,7 @@ static void sym_int_sir (hcb_p np)
case M_IGN_RESIDUE:
if (DEBUG_FLAGS & DEBUG_POINTER)
sym_print_msg(cp,"ign wide residue", np->msgin);
- sym_modify_dp(np, tp, cp, -1);
+ sym_modify_dp(np, cp, -1);
return;
case M_REJECT:
if (INB (HS_PRT) == HS_NEGOTIATE)
@@ -6266,7 +6283,7 @@ out_stuck:
static ccb_p sym_get_ccb (hcb_p np, u_char tn, u_char ln, u_char tag_order)
{
tcb_p tp = &np->target[tn];
- lcb_p lp = sym_lp(np, tp, ln);
+ lcb_p lp = sym_lp(tp, ln);
u_short tag = NO_TAG;
SYM_QUEHEAD *qp;
ccb_p cp = (ccb_p) NULL;
@@ -6389,10 +6406,10 @@ out_free:
/*
* Release one control block
*/
-static void sym_free_ccb (hcb_p np, ccb_p cp)
+static void sym_free_ccb(hcb_p np, ccb_p cp)
{
tcb_p tp = &np->target[cp->target];
- lcb_p lp = sym_lp(np, tp, cp->lun);
+ lcb_p lp = sym_lp(tp, cp->lun);
if (DEBUG_FLAGS & DEBUG_TAGS) {
PRINT_LUN(np, cp->target, cp->lun);
@@ -6577,27 +6594,12 @@ static ccb_p sym_ccb_from_dsa(hcb_p np,
}
/*
- * Target control block initialisation.
- * Nothing important to do at the moment.
- */
-static void sym_init_tcb (hcb_p np, u_char tn)
-{
- /*
- * Check some alignments required by the chip.
- */
- assert (((offsetof(struct sym_reg, nc_sxfer) ^
- offsetof(struct sym_tcb, head.sval)) &3) == 0);
- assert (((offsetof(struct sym_reg, nc_scntl3) ^
- offsetof(struct sym_tcb, head.wval)) &3) == 0);
-}
-
-/*
* Lun control block allocation and initialization.
*/
static lcb_p sym_alloc_lcb (hcb_p np, u_char tn, u_char ln)
{
tcb_p tp = &np->target[tn];
- lcb_p lp = sym_lp(np, tp, ln);
+ lcb_p lp = sym_lp(tp, ln);
/*
* Already done, just return.
@@ -6610,11 +6612,6 @@ static lcb_p sym_alloc_lcb (hcb_p np, u_
assert(!sym_is_bit(tp->busy0_map, ln));
/*
- * Initialize the target control block if not yet.
- */
- sym_init_tcb (np, tn);
-
- /*
* Allocate the LCB bus address array.
* Compute the bus address of this table.
*/
@@ -6680,7 +6677,7 @@ fail:
static void sym_alloc_lcb_tags (hcb_p np, u_char tn, u_char ln)
{
tcb_p tp = &np->target[tn];
- lcb_p lp = sym_lp(np, tp, ln);
+ lcb_p lp = sym_lp(tp, ln);
int i;
/*
@@ -7290,7 +7287,7 @@ static void sym_complete_ok (hcb_p np, c
*/
csio = &cp->cam_ccb->csio;
tp = &np->target[cp->target];
- lp = sym_lp(np, tp, cp->lun);
+ lp = sym_lp(tp, cp->lun);
/*
* Assume device discovered on first success.
@@ -7489,7 +7486,7 @@ static void sym_action(struct cam_sim *s
* Retrieve the target and lun descriptors.
*/
tp = &np->target[ccb_h->target_id];
- lp = sym_lp(np, tp, ccb_h->target_lun);
+ lp = sym_lp(tp, ccb_h->target_lun);
/*
* Complete the 1st INQUIRY command with error
@@ -7991,14 +7988,14 @@ static void sym_action2(struct cam_sim *
* Update SPI transport settings in TARGET control block.
* Update SCSI device settings in LUN control block.
*/
- lp = sym_lp(np, tp, ccb_h->target_lun);
+ lp = sym_lp(tp, ccb_h->target_lun);
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
- sym_update_trans(np, tp, &tp->tinfo.goal, cts);
+ sym_update_trans(np, &tp->tinfo.goal, cts);
if (lp)
sym_update_dflags(np, &lp->current_flags, cts);
}
if (cts->type == CTS_TYPE_USER_SETTINGS) {
- sym_update_trans(np, tp, &tp->tinfo.user, cts);
+ sym_update_trans(np, &tp->tinfo.user, cts);
if (lp)
sym_update_dflags(np, &lp->user_flags, cts);
}
@@ -8008,7 +8005,7 @@ static void sym_action2(struct cam_sim *
case XPT_GET_TRAN_SETTINGS:
cts = &ccb->cts;
tp = &np->target[ccb_h->target_id];
- lp = sym_lp(np, tp, ccb_h->target_lun);
+ lp = sym_lp(tp, ccb_h->target_lun);
#define cts__scsi (&cts->proto_specific.scsi)
#define cts__spi (&cts->xport_specific.spi)
@@ -8133,7 +8130,7 @@ static void sym_action2(struct cam_sim *
* Asynchronous notification handler.
*/
static void
-sym_async(void *cb_arg, u32 code, struct cam_path *path, void *arg)
+sym_async(void *cb_arg, u32 code, struct cam_path *path, void *args __unused)
{
hcb_p np;
struct cam_sim *sim;
@@ -8172,9 +8169,10 @@ sym_async(void *cb_arg, u32 code, struct
/*
* Update transfer settings of a target.
*/
-static void sym_update_trans(hcb_p np, tcb_p tp, struct sym_trans *tip,
- struct ccb_trans_settings *cts)
+static void sym_update_trans(hcb_p np, struct sym_trans *tip,
+ struct ccb_trans_settings *cts)
{
+
SYM_LOCK_ASSERT(MA_OWNED);
/*
@@ -8251,6 +8249,7 @@ static void sym_update_trans(hcb_p np, t
static void
sym_update_dflags(hcb_p np, u_char *flags, struct ccb_trans_settings *cts)
{
+
SYM_LOCK_ASSERT(MA_OWNED);
#define cts__scsi (&cts->proto_specific.scsi)
@@ -8848,7 +8847,7 @@ static void sym_pci_free(hcb_p np)
for (target = 0; target < SYM_CONF_MAX_TARGET ; target++) {
tp = &np->target[target];
for (lun = 0 ; lun < SYM_CONF_MAX_LUN ; lun++) {
- lp = sym_lp(np, tp, lun);
+ lp = sym_lp(tp, lun);
if (!lp)
continue;
if (lp->itlq_tbl)
@@ -8967,6 +8966,7 @@ fail:
*/
static void sym_cam_free(hcb_p np)
{
+
SYM_LOCK_ASSERT(MA_NOTOWNED);
if (np->intr) {
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