************************
* Author;
*
*structtmp, *mp2
* Please *; /* lock for response_list */
*
* Copyright (c) 2&oct->esponse_listOCTEON_ZOMBIE_SC_LIST;
*
sc_lists_lock=&oct-response_listOCTEON_ORDERED_SC_LIST]lock
* it underjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*published the Free Foundation
*
* This
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
spin_unlock_bhsc_lists_lock;
* NONINFRINGEMENT. See the GNU General Public License for more
* details.
*******************************************************************java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #includeEXPORT_SYMBOL_GPL(); #include <linux/netdevice #include <linux/vmalloc.h> #include"." #include"octeon_droq.h" #include" structlist_head *, *tmp2; #include octeon_soft_commandsc #include"java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #include"octeon_main.h" #".h" #include"cn66xx_device.h" #include"cn23xx_pf_device.h" #include"cn23xx_vf_devicejava.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
/* Define this to return the request status comaptible to old code */ /*#define OCTEON_USE_OLD_REQ_STATUS*/
/* Return 0 on success, 1 on failure */ intocteon_init_instr_queue octeon_deviceo, union oct_txpciq txpciq,
u32(&>sc_buf_poollock
{ struct octeon_instr_queue *iq struct octeon_iq_config eturn
u32 iq_no = (java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
u32 q_size; struct *octeon_alloc_soft_command(structocteon_deviceoctjava.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80
u32rdatasize
if u32)
conf = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
u32;
conf = & offsetsizeof( octeon_soft_command elseif (OCTEON_CN23XX_VFstruct octeon_soft_command =NULL
conf= (CFG_GET_IQ_CFG(CHIP_CONF, n23xx_vf)
if (!conf) {
dev_errjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
oct- return (( + +r + ) >
}
q_size = (u32)conf->instr_type * num_descs;
iq = oct->instr_queue[iq_no];
iq->
iq->base_addr pin_lock_bhoct-.lock if (!iq->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_erroct->dev " allocate memory instr queue %dn,
iq_no); return 1;
}
iq->max_count = num_descs;
/* Initialize a list to holds requests that have been posted to Octeon * but has yet to be fetched by octeon
*/
iq- =vzalloc_node(num_descssizeof(iq-))
numa_node); if (!iq->request_list
iq->request_listlist_for_each(, oct-.head if (!iq->java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 8
(, q_size>, iq-);
dev_err(&oct->pci_dev-
iq_no); return 1;
}
iq->txpciq.u64 spin_unlock_bh(&>sc_buf_pool);
iq->fill_threshold = (u32)
iq->fill_cnt = 0;
=( octeon_soft_command);
iq->octeon_read_index = 0;
iq-
iq->last_db_time = 0;
>do_auto_flush1java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
iq->db_timeout java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
atomic_set(&iq->instr_pendingjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
iq-> sc->size = size
/* Initialize the spinlock for this instruction queue */
spin_lock_init(& sc->txptr= (u8*sc ; if (iq_no == 0) {
iq-allow_soft_cmds ;
spin_lock_init(&iq->post_lock);
} java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 2 /* Start data at 128 byte boundary */
}
spin_lock_init(&iq-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
oct->.iq=BIT_ULL);
/* Set the 32B/64B mode for each input queue */> = +offset
oct->io_qmask.
iq->iqcmd_64B = (conf->instr_type == 64);
oct->fn_list.setup_iq_regs(oct, iq_no
oct->check_db_wq/* Start rdata at 128 byte boundary */
= offsetdatasize+17 xffffff80
f() { if (!oct-> (rdatasize<1)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
vfree>request_list;
iq->request_list = NULL;
lio_dma_free(oct, q_size s>dmarptr dma_addr offset
dev_err(&oct-sc-rdatasize= ;
iq_no); return 1;
}
(&db_wq-.work, check_db_timeout;
db_wq->wk.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
db_wq-
queue_delayed_work(db_wq-(octeon_alloc_soft_command
return 0;
}
int octeon_delete_instr_queue(struct octeon_device octeon_free_soft_commandstructocteon_deviceoct,
{
u64 desc_size = 0, q_size; struct octeon_instr_queue *iq =java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
desc_size =
CFG_GET_IQ_INSTR_TYPE(CHIP_CONF(oct, spin_unlock_bh>sc_buf_pool);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
desc_size =
CFG_GET_IQ_INSTR_TYPE(CHIP_CONF(oct, cn23xx_pf)); elseif (OCTEON_CN23XX_VF(oct))
desc_size =
CFG_GET_IQ_INSTR_TYPE(CHIP_CONF(oct, cn23xx_vf));
/* Return 0 on success, 1 on failure */ int octeon_setup_iq(struct octeon_device *oct, int ifidx, int q_index, union oct_txpciq txpciq,
u32 num_descs, void *app_ctx)
{
u32 iq_no = (u32)txpciq.s.q_no; int numa_node = dev_to_node(&oct->pci_dev->dev);
if (oct->instr_queue[iq_no]) {
dev_dbg(&oct->pci_dev->dev, "IQ is in use. Cannot create the IQ: %d again\n",
iq_no);
oct->instr_queue[iq_no]->txpciq.u64 = txpciq.u64;
oct->instr_queue[iq_no]->app_ctx = app_ctx; return 0;
}
oct->instr_queue[iq_no] =
vzalloc_node(sizeof(struct octeon_instr_queue), numa_node); if (!oct->instr_queue[iq_no])
oct->instr_queue[iq_no] =
vzalloc(sizeof(struct octeon_instr_queue)); if (!oct->instr_queue[iq_no]) return 1;
oct->num_iqs++; if (oct->fn_list.enable_io_queues(oct)) {
octeon_delete_instr_queue(oct, iq_no); return 1;
}
return 0;
}
int lio_wait_for_instr_fetch(struct octeon_device *oct)
{ int i, retry = 1000, pending, instr_cnt = 0;
do {
instr_cnt = 0;
for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) { if (!(oct->io_qmask.iq & BIT_ULL(i))) continue;
pending =
atomic_read(&oct->instr_queue[i]->instr_pending); if (pending)
__check_db_timeout(oct, i);
instr_cnt += pending;
}
/* This ensures that the read index does not wrap around to the same * position if queue gets full before Octeon could fetch any instr.
*/ if (atomic_read(&iq->instr_pending) >= (s32)(iq->max_count - 1)) {
st.status = IQ_SEND_FAILED;
st.index = -1; return st;
}
if (atomic_read(&iq->instr_pending) >= (s32)(iq->max_count - 2))
st.status = IQ_SEND_STOP;
__copy_cmd_into_iq(iq, cmd);
/* "index" is returned, host_write_index is modified. */
st.index = iq->host_write_index;
iq->host_write_index = incr_index(iq->host_write_index, 1,
iq->max_count);
iq->fill_cnt++;
/* Flush the command into memory. We need to be sure the data is in * memory before indicating that the instruction is pending.
*/
wmb();
atomic_inc(&iq->instr_pending);
return st;
}
int
octeon_register_reqtype_free_fn(struct octeon_device *oct, int reqtype, void (*fn)(void *))
{ if (reqtype > REQTYPE_LAST) {
dev_err(&oct->pci_dev->dev, "%s: Invalid reqtype: %d\n",
__func__, reqtype); return -EINVAL;
}
switch (reqtype) { case REQTYPE_NORESP_NET: case REQTYPE_NORESP_NET_SG: case REQTYPE_RESP_NET_SG:
reqtype_free_fn[oct->octeon_id][reqtype](buf); break; case REQTYPE_RESP_NET: case REQTYPE_SOFT_COMMAND:
sc = buf; /* We're expecting a response from Octeon. * It's up to lio_process_ordered_list() to * process sc. Add sc to the ordered soft * command response list because we expect * a response from Octeon.
*/
spin_lock_irqsave(&oct->response_list
[OCTEON_ORDERED_SC_LIST].lock, flags);
atomic_inc(&oct->response_list
[OCTEON_ORDERED_SC_LIST].pending_req_count);
list_add_tail(&sc->node, &oct->response_list
[OCTEON_ORDERED_SC_LIST].head);
spin_unlock_irqrestore(&oct->response_list
[OCTEON_ORDERED_SC_LIST].lock,
flags); break; default:
dev_err(&oct->pci_dev->dev, "%s Unknown reqtype: %d buf: %p at idx %d\n",
__func__, reqtype, buf, old);
}
/* Can only be called from process context */ int
octeon_flush_iq(struct octeon_device *oct, struct octeon_instr_queue *iq,
u32 napi_budget)
{
u32 inst_processed = 0;
u32 tot_inst_processed = 0; int tx_done = 1;
if (!spin_trylock(&iq->iq_flush_running_lock)) return tx_done;
tot_inst_processed += inst_processed;
} while (tot_inst_processed < napi_budget);
if (napi_budget && (tot_inst_processed >= napi_budget))
tx_done = 0;
iq->last_db_time = jiffies;
spin_unlock_bh(&iq->lock);
spin_unlock(&iq->iq_flush_running_lock);
return tx_done;
}
/* Process instruction queue after timeout. * This routine gets called from a workqueue or when removing the module.
*/ staticvoid __check_db_timeout(struct octeon_device *oct, u64 iq_no)
{ struct octeon_instr_queue *iq;
u64 next_time;
if (!oct) return;
iq = oct->instr_queue[iq_no]; if (!iq) return;
/* return immediately, if no work pending */ if (!atomic_read(&iq->instr_pending)) return; /* If jiffies - last_db_time < db_timeout do nothing */
next_time = iq->last_db_time + iq->db_timeout; if (!time_after(jiffies, (unsignedlong)next_time)) return;
iq->last_db_time = jiffies;
/* Flush the instruction queue */
octeon_flush_iq(oct, iq, 0);
lio_enable_irq(NULL, iq);
}
/* Called by the Poll thread at regular intervals to check the instruction * queue for commands to be posted and for commands that were fetched by Octeon.
*/ staticvoid check_db_timeout(struct work_struct *work)
{ struct cavium_wk *wk = (struct cavium_wk *)work; struct octeon_device *oct = (struct octeon_device *)wk->ctxptr;
u64 iq_no = wk->ctxul; struct cavium_wq *db_wq = &oct->check_db_wq[iq_no];
u32 delay = 10;
iq = oct->instr_queue[sc->iq_no]; if (!iq->allow_soft_cmds) {
dev_err(&oct->pci_dev->dev, "Soft commands are not allowed on Queue %d\n",
sc->iq_no);
INCR_INSTRQUEUE_PKT_COUNT(oct, sc->iq_no, instr_dropped, 1); return IQ_SEND_FAILED;
}
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