Add SPQ timeout base driver parameter support management FW timeout values
other than default and none. Have fallback mechanism for old MFWs.
Reduce the defult timeout to 1 sec.
Signed-off-by: Rasesh Mody <rasesh.m...@cavium.com>
---
drivers/net/qede/base/ecore_dev.c | 66 +++++++++++++++++++++++++++------
drivers/net/qede/base/ecore_dev_api.h | 14 +++++++
drivers/net/qede/base/ecore_spq.c | 16 +++++++-
drivers/net/qede/base/ecore_spq.h | 13 +++++++
drivers/net/qede/base/mcp_public.h | 2 +
5 files changed, 97 insertions(+), 14 deletions(-)
diff --git a/drivers/net/qede/base/ecore_dev.c
b/drivers/net/qede/base/ecore_dev.c
index a3269f4..1b01bba 100644
--- a/drivers/net/qede/base/ecore_dev.c
+++ b/drivers/net/qede/base/ecore_dev.c
@@ -2289,14 +2289,15 @@ static void ecore_reset_mb_shadow(struct ecore_hwfn
*p_hwfn,
}
static void ecore_pglueb_clear_err(struct ecore_hwfn *p_hwfn,
- struct ecore_ptt *p_ptt)
+ struct ecore_ptt *p_ptt)
{
ecore_wr(p_hwfn, p_ptt, PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR,
1 << p_hwfn->abs_pf_id);
}
-static void
-ecore_fill_load_req_params(struct ecore_load_req_params *p_load_req,
+static enum _ecore_status_t
+ecore_fill_load_req_params(struct ecore_hwfn *p_hwfn,
+ struct ecore_load_req_params *p_load_req,
struct ecore_drv_load_params *p_drv_load)
{
/* Make sure that if ecore-client didn't provide inputs, all the
@@ -2308,15 +2309,51 @@ static void ecore_pglueb_clear_err(struct ecore_hwfn
*p_hwfn,
OSAL_MEM_ZERO(p_load_req, sizeof(*p_load_req));
- if (p_drv_load != OSAL_NULL) {
- p_load_req->drv_role = p_drv_load->is_crash_kernel ?
- ECORE_DRV_ROLE_KDUMP :
- ECORE_DRV_ROLE_OS;
+ if (p_drv_load == OSAL_NULL)
+ goto out;
+
+ p_load_req->drv_role = p_drv_load->is_crash_kernel ?
+ ECORE_DRV_ROLE_KDUMP :
+ ECORE_DRV_ROLE_OS;
+ p_load_req->avoid_eng_reset = p_drv_load->avoid_eng_reset;
+ p_load_req->override_force_load = p_drv_load->override_force_load;
+
+ /* Old MFW versions don't support timeout values other than default and
+ * none, so these values are replaced according to the fall-back action.
+ */
+
+ if (p_drv_load->mfw_timeout_val == ECORE_LOAD_REQ_LOCK_TO_DEFAULT ||
+ p_drv_load->mfw_timeout_val == ECORE_LOAD_REQ_LOCK_TO_NONE ||
+ (p_hwfn->mcp_info->capabilities &
+ FW_MB_PARAM_FEATURE_SUPPORT_DRV_LOAD_TO)) {
p_load_req->timeout_val = p_drv_load->mfw_timeout_val;
- p_load_req->avoid_eng_reset = p_drv_load->avoid_eng_reset;
- p_load_req->override_force_load =
- p_drv_load->override_force_load;
+ goto out;
}
+
+ switch (p_drv_load->mfw_timeout_fallback) {
+ case ECORE_TO_FALLBACK_TO_NONE:
+ p_load_req->timeout_val = ECORE_LOAD_REQ_LOCK_TO_NONE;
+ break;
+ case ECORE_TO_FALLBACK_TO_DEFAULT:
+ p_load_req->timeout_val = ECORE_LOAD_REQ_LOCK_TO_DEFAULT;
+ break;
+ case ECORE_TO_FALLBACK_FAIL_LOAD:
+ DP_NOTICE(p_hwfn, false,
+ "Received %d as a value for MFW timeout while the MFW
supports only default [%d] or none [%d]. Abort.\n",
+ p_drv_load->mfw_timeout_val,
+ ECORE_LOAD_REQ_LOCK_TO_DEFAULT,
+ ECORE_LOAD_REQ_LOCK_TO_NONE);
+ return ECORE_ABORTED;
+ }
+
+ DP_INFO(p_hwfn,
+ "Modified the MFW timeout value from %d to %s [%d] due to lack
of MFW support\n",
+ p_drv_load->mfw_timeout_val,
+ (p_load_req->timeout_val == ECORE_LOAD_REQ_LOCK_TO_DEFAULT) ?
+ "default" : "none",
+ p_load_req->timeout_val);
+out:
+ return ECORE_SUCCESS;
}
enum _ecore_status_t ecore_vf_start(struct ecore_hwfn *p_hwfn,
@@ -2372,8 +2409,13 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev
*p_dev,
if (rc != ECORE_SUCCESS)
return rc;
- ecore_fill_load_req_params(&load_req_params,
- p_params->p_drv_load_params);
+ ecore_set_spq_block_timeout(p_hwfn, p_params->spq_timeout_ms);
+
+ rc = ecore_fill_load_req_params(p_hwfn, &load_req_params,
+ p_params->p_drv_load_params);
+ if (rc != ECORE_SUCCESS)
+ return rc;
+
rc = ecore_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt,
&load_req_params);
if (rc != ECORE_SUCCESS) {
diff --git a/drivers/net/qede/base/ecore_dev_api.h
b/drivers/net/qede/base/ecore_dev_api.h
index 98bcabe..1d3fc56 100644
--- a/drivers/net/qede/base/ecore_dev_api.h
+++ b/drivers/net/qede/base/ecore_dev_api.h
@@ -57,6 +57,12 @@ void ecore_init_dp(struct ecore_dev *p_dev,
*/
void ecore_resc_setup(struct ecore_dev *p_dev);
+enum ecore_mfw_timeout_fallback {
+ ECORE_TO_FALLBACK_TO_NONE,
+ ECORE_TO_FALLBACK_TO_DEFAULT,
+ ECORE_TO_FALLBACK_FAIL_LOAD,
+};
+
enum ecore_override_force_load {
ECORE_OVERRIDE_FORCE_LOAD_NONE,
ECORE_OVERRIDE_FORCE_LOAD_ALWAYS,
@@ -79,6 +85,11 @@ struct ecore_drv_load_params {
#define ECORE_LOAD_REQ_LOCK_TO_DEFAULT 0
#define ECORE_LOAD_REQ_LOCK_TO_NONE 255
+ /* Action to take in case the MFW doesn't support timeout values other
+ * than default and none.
+ */
+ enum ecore_mfw_timeout_fallback mfw_timeout_fallback;
+
/* Avoid engine reset when first PF loads on it */
bool avoid_eng_reset;
@@ -104,6 +115,9 @@ struct ecore_hw_init_params {
/* Driver load parameters */
struct ecore_drv_load_params *p_drv_load_params;
+
+ /* SPQ block timeout in msec */
+ u32 spq_timeout_ms;
};
/**
diff --git a/drivers/net/qede/base/ecore_spq.c
b/drivers/net/qede/base/ecore_spq.c
index 70ffa8c..a213bb8 100644
--- a/drivers/net/qede/base/ecore_spq.c
+++ b/drivers/net/qede/base/ecore_spq.c
@@ -30,7 +30,7 @@
#define SPQ_BLOCK_DELAY_MAX_ITER (10)
#define SPQ_BLOCK_DELAY_US (10)
-#define SPQ_BLOCK_SLEEP_MAX_ITER (1000)
+#define SPQ_BLOCK_SLEEP_MAX_ITER (200)
#define SPQ_BLOCK_SLEEP_MS (5)
/***************************************************************************
@@ -60,8 +60,12 @@ static enum _ecore_status_t __ecore_spq_block(struct
ecore_hwfn *p_hwfn,
u32 iter_cnt;
comp_done = (struct ecore_spq_comp_done *)p_ent->comp_cb.cookie;
- iter_cnt = sleep_between_iter ? SPQ_BLOCK_SLEEP_MAX_ITER
+ iter_cnt = sleep_between_iter ? p_hwfn->p_spq->block_sleep_max_iter
: SPQ_BLOCK_DELAY_MAX_ITER;
+#ifndef ASIC_ONLY
+ if (CHIP_REV_IS_EMUL(p_hwfn->p_dev) && sleep_between_iter)
+ iter_cnt *= 5;
+#endif
while (iter_cnt--) {
OSAL_POLL_MODE_DPC(p_hwfn);
@@ -138,6 +142,14 @@ static enum _ecore_status_t ecore_spq_block(struct
ecore_hwfn *p_hwfn,
return ECORE_BUSY;
}
+void ecore_set_spq_block_timeout(struct ecore_hwfn *p_hwfn,
+ u32 spq_timeout_ms)
+{
+ p_hwfn->p_spq->block_sleep_max_iter = spq_timeout_ms ?
+ spq_timeout_ms / SPQ_BLOCK_SLEEP_MS :
+ SPQ_BLOCK_SLEEP_MAX_ITER;
+}
+
/***************************************************************************
* SPQ entries inner API
***************************************************************************/
diff --git a/drivers/net/qede/base/ecore_spq.h
b/drivers/net/qede/base/ecore_spq.h
index 526cff0..94ae9a6 100644
--- a/drivers/net/qede/base/ecore_spq.h
+++ b/drivers/net/qede/base/ecore_spq.h
@@ -116,6 +116,9 @@ struct ecore_spq {
dma_addr_t p_phys;
struct ecore_spq_entry *p_virt;
+ /* SPQ max sleep iterations used in __ecore_spq_block() */
+ u32 block_sleep_max_iter;
+
/* Bitmap for handling out-of-order completions */
#define SPQ_RING_SIZE \
(CORE_SPQE_PAGE_SIZE_BYTES / sizeof(struct slow_path_element))
@@ -150,6 +153,16 @@ struct ecore_spq {
struct ecore_hwfn;
/**
+ * @brief ecore_set_spq_block_timeout - calculates the maximum sleep
+ * iterations used in __ecore_spq_block();
+ *
+ * @param p_hwfn
+ * @param spq_timeout_ms
+ */
+void ecore_set_spq_block_timeout(struct ecore_hwfn *p_hwfn,
+ u32 spq_timeout_ms);
+
+/**
* @brief ecore_spq_post - Posts a Slow hwfn request to FW, or lacking that
* Pends it to the future list.
*
diff --git a/drivers/net/qede/base/mcp_public.h
b/drivers/net/qede/base/mcp_public.h
index 81ca663..d3666a7 100644
--- a/drivers/net/qede/base/mcp_public.h
+++ b/drivers/net/qede/base/mcp_public.h
@@ -1777,6 +1777,8 @@ struct public_drv_mb {
#define FW_MB_PARAM_FEATURE_SUPPORT_SMARTLINQ 0x00000001
/* MFW supports EEE */
#define FW_MB_PARAM_FEATURE_SUPPORT_EEE 0x00000002
+/* MFW supports DRV_LOAD Timeout */
+#define FW_MB_PARAM_FEATURE_SUPPORT_DRV_LOAD_TO 0x00000004
/* MFW supports virtual link */
#define FW_MB_PARAM_FEATURE_SUPPORT_VLINK 0x00010000
--
1.7.10.3
