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f95c89 |
From 48b35e7c5e2e2b19be38219c97a652453b982bc7 Mon Sep 17 00:00:00 2001
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f95c89 |
From: Jonathan Toppins <jtoppins@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Date: Wed, 2 Oct 2019 18:23:23 -0400
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f95c89 |
Subject: [PATCH 68/96] [netdrv] bnxt_en: Pre-map the firmware health
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
monitoring registers
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
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f95c89 |
Message-id: <91d24ffc1068f9308c91815baf3e8aa149d16a36.1570027456.git.jtoppins@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Patchwork-id: 276483
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
O-Subject: [RHEL-8.2 PATCH 61/78] bnxt_en: Pre-map the firmware health monitoring registers.
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Bugzilla: 1724766
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
RH-Acked-by: John Linville <linville@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Pre-map the GRC registers for periodic firmware health monitoring.
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
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f95c89 |
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Signed-off-by: David S. Miller <davem@davemloft.net>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
(cherry picked from commit 9ffbd67734909ca8bb099e62f06387649b43d5a8)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Bugzilla: 1724766
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Build Info: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=23809532
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Tested: build, boot, basic ping
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Signed-off-by: Jonathan Toppins <jtoppins@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
Signed-off-by: Bruno Meneguele <bmeneg@redhat.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
---
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 29 +++++++++++++++++++++++++++++
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
drivers/net/ethernet/broadcom/bnxt/bnxt.h | 6 ++++++
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
2 files changed, 35 insertions(+)
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f95c89 |
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f95c89 |
Index: src/drivers/net/ethernet/broadcom/bnxt/bnxt.c
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f95c89 |
===================================================================
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f95c89 |
--- src.orig/drivers/net/ethernet/broadcom/bnxt/bnxt.c 2020-02-06 16:23:19.289480300 +0100
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
+++ src/drivers/net/ethernet/broadcom/bnxt/bnxt.c 2020-02-06 16:23:19.432478987 +0100
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
@@ -6955,6 +6955,33 @@
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
return rc;
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f95c89 |
}
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f95c89 |
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f95c89 |
+static int bnxt_map_fw_health_regs(struct bnxt *bp)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
+{
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
+ struct bnxt_fw_health *fw_health = bp->fw_health;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
+ u32 reg_base = 0xffffffff;
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
+ int i;
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+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
+ /* Only pre-map the monitoring GRC registers using window 3 */
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+ for (i = 0; i < 4; i++) {
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f95c89 |
+ u32 reg = fw_health->regs[i];
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+
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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+ if (BNXT_FW_HEALTH_REG_TYPE(reg) != BNXT_FW_HEALTH_REG_TYPE_GRC)
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f95c89 |
+ continue;
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f95c89 |
+ if (reg_base == 0xffffffff)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
+ reg_base = reg & BNXT_GRC_BASE_MASK;
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f95c89 |
+ if ((reg & BNXT_GRC_BASE_MASK) != reg_base)
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f95c89 |
+ return -ERANGE;
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f95c89 |
+ fw_health->mapped_regs[i] = BNXT_FW_HEALTH_WIN_BASE +
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f95c89 |
+ (reg & BNXT_GRC_OFFSET_MASK);
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
+ }
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f95c89 |
+ if (reg_base == 0xffffffff)
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
f95c89 |
+ return 0;
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+
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+ writel(reg_base, bp->bar0 + BNXT_GRCPF_REG_WINDOW_BASE_OUT +
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f95c89 |
+ BNXT_FW_HEALTH_WIN_MAP_OFF);
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f95c89 |
+ return 0;
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+}
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+
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f95c89 |
static int bnxt_hwrm_error_recovery_qcfg(struct bnxt *bp)
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f95c89 |
{
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f95c89 |
struct hwrm_error_recovery_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
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f95c89 |
@@ -7018,6 +7045,8 @@
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f95c89 |
}
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f95c89 |
err_recovery_out:
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f95c89 |
mutex_unlock(&bp->hwrm_cmd_lock);
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f95c89 |
+ if (!rc)
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f95c89 |
+ rc = bnxt_map_fw_health_regs(bp);
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f95c89 |
if (rc)
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f95c89 |
bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY;
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f95c89 |
return rc;
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f95c89 |
Index: src/drivers/net/ethernet/broadcom/bnxt/bnxt.h
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f95c89 |
===================================================================
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f95c89 |
--- src.orig/drivers/net/ethernet/broadcom/bnxt/bnxt.h 2020-02-06 16:23:19.289480300 +0100
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+++ src/drivers/net/ethernet/broadcom/bnxt/bnxt.h 2020-02-06 16:23:19.432478987 +0100
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@@ -1217,6 +1217,9 @@
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f95c89 |
#define BNXT_GRCPF_REG_KONG_COMM 0xA00
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#define BNXT_GRCPF_REG_KONG_COMM_TRIGGER 0xB00
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f95c89 |
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+#define BNXT_GRC_BASE_MASK 0xfffff000
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+#define BNXT_GRC_OFFSET_MASK 0x00000ffc
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+
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f95c89 |
struct bnxt_tc_flow_stats {
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f95c89 |
u64 packets;
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u64 bytes;
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@@ -1368,6 +1371,9 @@
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#define BNXT_FW_HEALTH_REG_TYPE(reg) ((reg) & BNXT_FW_HEALTH_REG_TYPE_MASK)
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#define BNXT_FW_HEALTH_REG_OFF(reg) ((reg) & ~BNXT_FW_HEALTH_REG_TYPE_MASK)
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+#define BNXT_FW_HEALTH_WIN_BASE 0x3000
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+#define BNXT_FW_HEALTH_WIN_MAP_OFF 8
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+
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struct bnxt {
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void __iomem *bar0;
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void __iomem *bar1;
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