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From 1be465a88eb247b78ddbc3129f53cc547ce8687b Mon Sep 17 00:00:00 2001
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From: Taku Izumi <izumi.taku@jp.fujitsu.com>
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Date: Wed, 16 Nov 2016 09:55:32 +0900
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Subject: [PATCH 1/3] ethtool: add register dump support for fjes driver
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This patch adds the register dump format for FUJITSU Extended
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Network device like the following:
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   # ethtool -d es0
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0x0000: OWNER_EPID    (Owner EPID)                       0x00000001
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0x0004: MAX_EP        (Maximum EP)                       0x00000008
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0x0010: DCTL          (Device Control)                   0x00000000
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0x0020: CR            (Command request)                  0x80000002
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0x0024: CS            (Command status)                   0x80000002
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0x0028: SHSTSAL       (Share status address Low)         0xE8215304
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0x002C: SHSTSAH       (Share status address High)        0x00000007
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0x0034: REQBL         (Request Buffer length)            0x00008028
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0x0038: REQBAL        (Request Buffer Address Low)       0xEB0A0000
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0x003C: REQBAH        (Request Buffer Address High)      0x00000007
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0x0044: RESPBL        (Response Buffer Length)           0x00000018
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0x0048: RESPBAL       (Response Buffer Address Low)      0xE41E1220
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0x004C: RESPBAH       (Response Buffer Address High)     0x00000007
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0x0080: IS            (Interrupt status)                 0x00000000
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0x0084: IMS           (Interrupt mask set)               0x7FE00000
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0x0088: IMC           (Interrupt mask clear)             0x001F0000
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0x008C: IG            (Interrupt generator)              0x00010000
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0x0090: ICTL          (Interrupt control)                0x00000000
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Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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(cherry picked from commit acc3d3a32940cdd3325520d212fa94f44b86ed09)
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---
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 Makefile.am |  2 +-
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 ethtool.c   |  1 +
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 fjes.c      | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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 internal.h  |  2 ++
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 4 files changed, 93 insertions(+), 1 deletion(-)
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 create mode 100644 fjes.c
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diff --git a/Makefile.am b/Makefile.am
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index de2db2e..edbda57 100644
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--- a/Makefile.am
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+++ b/Makefile.am
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@@ -14,7 +14,7 @@ ethtool_SOURCES += \
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 		  pcnet32.c realtek.c tg3.c marvell.c vioc.c	\
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 		  smsc911x.c at76c50x-usb.c sfc.c stmmac.c	\
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 		  sff-common.c sff-common.h sfpid.c sfpdiag.c	\
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-		  ixgbevf.c tse.c vmxnet3.c qsfp.c qsfp.h
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+		  ixgbevf.c tse.c vmxnet3.c qsfp.c qsfp.h fjes.c
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 endif
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 TESTS = test-cmdline test-features
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diff --git a/ethtool.c b/ethtool.c
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index 49ac94e..75299c6 100644
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--- a/ethtool.c
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+++ b/ethtool.c
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@@ -1136,6 +1136,7 @@ static const struct {
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 	{ "et131x", et131x_dump_regs },
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 	{ "altera_tse", altera_tse_dump_regs },
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 	{ "vmxnet3", vmxnet3_dump_regs },
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+	{ "fjes", fjes_dump_regs },
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 #endif
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 };
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diff --git a/fjes.c b/fjes.c
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new file mode 100644
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index 0000000..52f7c28
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--- /dev/null
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+++ b/fjes.c
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@@ -0,0 +1,89 @@
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+/* Copyright (c) 2016 FUJITSU LIMITED */
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+#include <stdio.h>
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+#include "internal.h"
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+
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+int fjes_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
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+{
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+	u32 *regs_buff = (u32 *)regs->data;
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+
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+	if (regs->version != 1)
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+		return -1;
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+
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+	/* Information registers */
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+	fprintf(stdout,
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+		"0x0000: OWNER_EPID    (Owner EPID)                       0x%08X\n",
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+		regs_buff[0]);
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+
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+	fprintf(stdout,
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+		"0x0004: MAX_EP        (Maximum EP)                       0x%08X\n",
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+		regs_buff[1]);
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+
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+	/* Device Control registers */
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+	fprintf(stdout,
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+		"0x0010: DCTL          (Device Control)                   0x%08X\n",
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+		regs_buff[4]);
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+
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+	/* Command Control registers */
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+	fprintf(stdout,
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+		"0x0020: CR            (Command request)                  0x%08X\n",
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+		regs_buff[8]);
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+
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+	fprintf(stdout,
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+		"0x0024: CS            (Command status)                   0x%08X\n",
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+		regs_buff[9]);
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+
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+	fprintf(stdout,
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+		"0x0028: SHSTSAL       (Share status address Low)         0x%08X\n",
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+		regs_buff[10]);
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+
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+	fprintf(stdout,
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+		"0x002C: SHSTSAH       (Share status address High)        0x%08X\n",
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+		regs_buff[11]);
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+
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+	fprintf(stdout,
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+		"0x0034: REQBL         (Request Buffer length)            0x%08X\n",
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+		regs_buff[13]);
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+
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+	fprintf(stdout,
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+		"0x0038: REQBAL        (Request Buffer Address Low)       0x%08X\n",
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+		regs_buff[14]);
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+
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+	fprintf(stdout,
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+		"0x003C: REQBAH        (Request Buffer Address High)      0x%08X\n",
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+		regs_buff[15]);
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+
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+	fprintf(stdout,
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+		"0x0044: RESPBL        (Response Buffer Length)           0x%08X\n",
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+		regs_buff[17]);
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+
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+	fprintf(stdout,
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+		"0x0048: RESPBAL       (Response Buffer Address Low)      0x%08X\n",
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+		regs_buff[18]);
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+
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+	fprintf(stdout,
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+		"0x004C: RESPBAH       (Response Buffer Address High)     0x%08X\n",
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+		regs_buff[19]);
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+
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+	/* Interrupt Control registers */
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+	fprintf(stdout,
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+		"0x0080: IS            (Interrupt status)                 0x%08X\n",
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+		regs_buff[32]);
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+
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+	fprintf(stdout,
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+		"0x0084: IMS           (Interrupt mask set)               0x%08X\n",
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+		regs_buff[33]);
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+
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+	fprintf(stdout,
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+		"0x0088: IMC           (Interrupt mask clear)             0x%08X\n",
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+		regs_buff[34]);
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+
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+	fprintf(stdout,
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+		"0x008C: IG            (Interrupt generator)              0x%08X\n",
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+		regs_buff[35]);
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+
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+	fprintf(stdout,
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+		"0x0090: ICTL          (Interrupt control)                0x%08X\n",
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+		regs_buff[36]);
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+
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+	return 0;
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+}
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diff --git a/internal.h b/internal.h
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index 3c08b74..4e658ea 100644
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--- a/internal.h
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+++ b/internal.h
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@@ -348,4 +348,6 @@ void sff8472_show_all(const __u8 *id);
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 /* QSFP Optics diagnostics */
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 void sff8636_show_all(const __u8 *id, __u32 eeprom_len);
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+/* FUJITSU Extended Socket network device */
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+int fjes_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
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 #endif /* ETHTOOL_INTERNAL_H__ */
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-- 
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1.8.3.1
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