/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2001-2020
+ * Copyright(c) 2001-2021 Intel Corporation
*/
#include "ice_common.h"
ICE_CQ_INIT_REGS(cq, PF_MBX);
}
+/**
+ * ice_sb_init_regs - Initialize Sideband registers
+ * @hw: pointer to the hardware structure
+ *
+ * This assumes the alloc_sq and alloc_rq functions have already been called
+ */
+static void ice_sb_init_regs(struct ice_hw *hw)
+{
+ struct ice_ctl_q_info *cq = &hw->sbq;
+
+ ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
+
+ ICE_CQ_INIT_REGS(cq, PF_SB);
+}
+
/**
* ice_check_sq_alive
* @hw: pointer to the HW struct
i--;
for (; i >= 0; i--)
ice_free_dma_mem(hw, &cq->rq.r.rq_bi[i]);
+ cq->rq.r.rq_bi = NULL;
ice_free(hw, cq->rq.dma_head);
+ cq->rq.dma_head = NULL;
return ICE_ERR_NO_MEMORY;
}
i--;
for (; i >= 0; i--)
ice_free_dma_mem(hw, &cq->sq.r.sq_bi[i]);
+ cq->sq.r.sq_bi = NULL;
ice_free(hw, cq->sq.dma_head);
+ cq->sq.dma_head = NULL;
return ICE_ERR_NO_MEMORY;
}
return ICE_SUCCESS;
}
+#define ICE_FREE_CQ_BUFS(hw, qi, ring) \
+do { \
+ /* free descriptors */ \
+ if ((qi)->ring.r.ring##_bi) { \
+ int i; \
+ \
+ for (i = 0; i < (qi)->num_##ring##_entries; i++) \
+ if ((qi)->ring.r.ring##_bi[i].pa) \
+ ice_free_dma_mem((hw), \
+ &(qi)->ring.r.ring##_bi[i]); \
+ } \
+ /* free the buffer info list */ \
+ if ((qi)->ring.cmd_buf) \
+ ice_free(hw, (qi)->ring.cmd_buf); \
+ /* free DMA head */ \
+ ice_free(hw, (qi)->ring.dma_head); \
+} while (0)
+
/**
* ice_init_sq - main initialization routine for Control ATQ
* @hw: pointer to the hardware structure
goto init_ctrlq_exit;
init_ctrlq_free_rings:
+ ICE_FREE_CQ_BUFS(hw, cq, sq);
ice_free_cq_ring(hw, &cq->sq);
init_ctrlq_exit:
goto init_ctrlq_exit;
init_ctrlq_free_rings:
+ ICE_FREE_CQ_BUFS(hw, cq, rq);
ice_free_cq_ring(hw, &cq->rq);
init_ctrlq_exit:
return ret_code;
}
-#define ICE_FREE_CQ_BUFS(hw, qi, ring) \
-do { \
- int i; \
- /* free descriptors */ \
- for (i = 0; i < (qi)->num_##ring##_entries; i++) \
- if ((qi)->ring.r.ring##_bi[i].pa) \
- ice_free_dma_mem((hw), \
- &(qi)->ring.r.ring##_bi[i]); \
- /* free the buffer info list */ \
- if ((qi)->ring.cmd_buf) \
- ice_free(hw, (qi)->ring.cmd_buf); \
- /* free DMA head */ \
- ice_free(hw, (qi)->ring.dma_head); \
-} while (0)
-
/**
* ice_shutdown_sq - shutdown the Control ATQ
* @hw: pointer to the hardware structure
ice_adminq_init_regs(hw);
cq = &hw->adminq;
break;
+ case ICE_CTL_Q_SB:
+ ice_sb_init_regs(hw);
+ cq = &hw->sbq;
+ break;
case ICE_CTL_Q_MAILBOX:
ice_mailbox_init_regs(hw);
cq = &hw->mailboxq;
return ret_code;
}
+/**
+ * ice_is_sbq_supported - is the sideband queue supported
+ * @hw: pointer to the hardware structure
+ *
+ * Returns true if the sideband control queue interface is
+ * supported for the device, false otherwise
+ */
+static bool ice_is_sbq_supported(struct ice_hw *hw)
+{
+ return ice_is_generic_mac(hw);
+}
+
/**
* ice_shutdown_ctrlq - shutdown routine for any control queue
* @hw: pointer to the hardware structure
if (ice_check_sq_alive(hw, cq))
ice_aq_q_shutdown(hw, true);
break;
+ case ICE_CTL_Q_SB:
+ cq = &hw->sbq;
+ break;
case ICE_CTL_Q_MAILBOX:
cq = &hw->mailboxq;
break;
ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
/* Shutdown FW admin queue */
ice_shutdown_ctrlq(hw, ICE_CTL_Q_ADMIN);
+ /* Shutdown PHY Sideband */
+ if (ice_is_sbq_supported(hw))
+ ice_shutdown_ctrlq(hw, ICE_CTL_Q_SB);
/* Shutdown PF-VF Mailbox */
ice_shutdown_ctrlq(hw, ICE_CTL_Q_MAILBOX);
}
if (status != ICE_ERR_AQ_FW_CRITICAL)
break;
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Retry Admin Queue init due to FW critical error\n");
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Retry Admin Queue init due to FW critical error\n");
ice_shutdown_ctrlq(hw, ICE_CTL_Q_ADMIN);
ice_msec_delay(ICE_CTL_Q_ADMIN_INIT_MSEC, true);
} while (retry++ < ICE_CTL_Q_ADMIN_INIT_TIMEOUT);
if (status)
return status;
+ /* sideband control queue (SBQ) interface is not supported on some
+ * devices. Initialize if supported, else fallback to the admin queue
+ * interface
+ */
+ if (ice_is_sbq_supported(hw)) {
+ status = ice_init_ctrlq(hw, ICE_CTL_Q_SB);
+ if (status)
+ return status;
+ }
/* Init Mailbox queue */
return ice_init_ctrlq(hw, ICE_CTL_Q_MAILBOX);
}
enum ice_status ice_create_all_ctrlq(struct ice_hw *hw)
{
ice_init_ctrlq_locks(&hw->adminq);
+ if (ice_is_sbq_supported(hw))
+ ice_init_ctrlq_locks(&hw->sbq);
ice_init_ctrlq_locks(&hw->mailboxq);
return ice_init_all_ctrlq(hw);
*
* Destroys the send and receive queue locks for a given control queue.
*/
-static void
-ice_destroy_ctrlq_locks(struct ice_ctl_q_info *cq)
+static void ice_destroy_ctrlq_locks(struct ice_ctl_q_info *cq)
{
ice_destroy_lock(&cq->sq_lock);
ice_destroy_lock(&cq->rq_lock);
ice_shutdown_all_ctrlq(hw);
ice_destroy_ctrlq_locks(&hw->adminq);
+ if (ice_is_sbq_supported(hw))
+ ice_destroy_ctrlq_locks(&hw->sbq);
ice_destroy_ctrlq_locks(&hw->mailboxq);
}
details = ICE_CTL_Q_DETAILS(*sq, ntc);
while (rd32(hw, cq->sq.head) != ntc) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "ntc %d head %d.\n", ntc, rd32(hw, cq->sq.head));
+ ice_debug(hw, ICE_DBG_AQ_MSG, "ntc %d head %d.\n", ntc, rd32(hw, cq->sq.head));
ice_memset(desc, 0, sizeof(*desc), ICE_DMA_MEM);
ice_memset(details, 0, sizeof(*details), ICE_NONDMA_MEM);
ntc++;
datalen = LE16_TO_CPU(cq_desc->datalen);
flags = LE16_TO_CPU(cq_desc->flags);
- ice_debug(hw, ICE_DBG_AQ_DESC,
- "CQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
+ ice_debug(hw, ICE_DBG_AQ_DESC, "CQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
LE16_TO_CPU(cq_desc->opcode), flags, datalen,
LE16_TO_CPU(cq_desc->retval));
ice_debug(hw, ICE_DBG_AQ_DESC, "\tcookie (h,l) 0x%08X 0x%08X\n",
* This is the main send command routine for the ATQ. It runs the queue,
* cleans the queue, etc.
*/
-static enum ice_status
+enum ice_status
ice_sq_send_cmd_nolock(struct ice_hw *hw, struct ice_ctl_q_info *cq,
struct ice_aq_desc *desc, void *buf, u16 buf_size,
struct ice_sq_cd *cd)
cq->sq_last_status = ICE_AQ_RC_OK;
if (!cq->sq.count) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Control Send queue not initialized.\n");
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Control Send queue not initialized.\n");
status = ICE_ERR_AQ_EMPTY;
goto sq_send_command_error;
}
if (buf) {
if (buf_size > cq->sq_buf_size) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Invalid buffer size for Control Send queue: %d.\n",
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Invalid buffer size for Control Send queue: %d.\n",
buf_size);
status = ICE_ERR_INVAL_SIZE;
goto sq_send_command_error;
val = rd32(hw, cq->sq.head);
if (val >= cq->num_sq_entries) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "head overrun at %d in the Control Send Queue ring\n",
+ ice_debug(hw, ICE_DBG_AQ_MSG, "head overrun at %d in the Control Send Queue ring\n",
val);
status = ICE_ERR_AQ_EMPTY;
goto sq_send_command_error;
* called in a separate thread in case of asynchronous completions.
*/
if (ice_clean_sq(hw, cq) == 0) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Error: Control Send Queue is full.\n");
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Error: Control Send Queue is full.\n");
status = ICE_ERR_AQ_FULL;
goto sq_send_command_error;
}
}
/* Debug desc and buffer */
- ice_debug(hw, ICE_DBG_AQ_DESC,
- "ATQ: Control Send queue desc and buffer:\n");
+ ice_debug(hw, ICE_DBG_AQ_DESC, "ATQ: Control Send queue desc and buffer:\n");
ice_debug_cq(hw, (void *)desc_on_ring, buf, buf_size);
u16 copy_size = LE16_TO_CPU(desc->datalen);
if (copy_size > buf_size) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Return len %d > than buf len %d\n",
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Return len %d > than buf len %d\n",
copy_size, buf_size);
status = ICE_ERR_AQ_ERROR;
} else {
}
retval = LE16_TO_CPU(desc->retval);
if (retval) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Control Send Queue command 0x%04X completed with error 0x%X\n",
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Control Send Queue command 0x%04X completed with error 0x%X\n",
LE16_TO_CPU(desc->opcode),
retval);
cq->sq_last_status = (enum ice_aq_err)retval;
}
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "ATQ: desc and buffer writeback:\n");
+ ice_debug(hw, ICE_DBG_AQ_MSG, "ATQ: desc and buffer writeback:\n");
ice_debug_cq(hw, (void *)desc, buf, buf_size);
if (!cmd_completed) {
if (rd32(hw, cq->rq.len) & cq->rq.len_crit_mask ||
rd32(hw, cq->sq.len) & cq->sq.len_crit_mask) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Critical FW error.\n");
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Critical FW error.\n");
status = ICE_ERR_AQ_FW_CRITICAL;
} else {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Control Send Queue Writeback timeout.\n");
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Control Send Queue Writeback timeout.\n");
status = ICE_ERR_AQ_TIMEOUT;
}
}
* ice_sq_send_cmd - send command to Control Queue (ATQ)
* @hw: pointer to the HW struct
* @cq: pointer to the specific Control queue
- * @desc: prefilled descriptor describing the command (non DMA mem)
+ * @desc: prefilled descriptor describing the command
* @buf: buffer to use for indirect commands (or NULL for direct commands)
* @buf_size: size of buffer for indirect commands (or 0 for direct commands)
* @cd: pointer to command details structure
struct ice_rq_event_info *e, u16 *pending)
{
u16 ntc = cq->rq.next_to_clean;
+ enum ice_aq_err rq_last_status;
enum ice_status ret_code = ICE_SUCCESS;
struct ice_aq_desc *desc;
struct ice_dma_mem *bi;
ice_acquire_lock(&cq->rq_lock);
if (!cq->rq.count) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Control Receive queue not initialized.\n");
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Control Receive queue not initialized.\n");
ret_code = ICE_ERR_AQ_EMPTY;
goto clean_rq_elem_err;
}
desc = ICE_CTL_Q_DESC(cq->rq, ntc);
desc_idx = ntc;
- cq->rq_last_status = (enum ice_aq_err)LE16_TO_CPU(desc->retval);
+ rq_last_status = (enum ice_aq_err)LE16_TO_CPU(desc->retval);
flags = LE16_TO_CPU(desc->flags);
if (flags & ICE_AQ_FLAG_ERR) {
ret_code = ICE_ERR_AQ_ERROR;
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Control Receive Queue Event 0x%04X received with error 0x%X\n",
- LE16_TO_CPU(desc->opcode),
- cq->rq_last_status);
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Control Receive Queue Event 0x%04X received with error 0x%X\n",
+ LE16_TO_CPU(desc->opcode), rq_last_status);
}
ice_memcpy(&e->desc, desc, sizeof(e->desc), ICE_DMA_TO_NONDMA);
datalen = LE16_TO_CPU(desc->datalen);
ice_debug(hw, ICE_DBG_AQ_DESC, "ARQ: desc and buffer:\n");
- ice_debug_cq(hw, (void *)desc, e->msg_buf,
- cq->rq_buf_size);
+ ice_debug_cq(hw, (void *)desc, e->msg_buf, cq->rq_buf_size);
/* Restore the original datalen and buffer address in the desc,
* FW updates datalen to indicate the event message size
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