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Message-Id: <1265225294.2116.1.camel@achroite.uk.solarflarecom.com> Date: Wed, 03 Feb 2010 19:28:14 +0000 From: Ben Hutchings <bhutchings@...arflare.com> To: David Miller <davem@...emloft.net> Cc: netdev@...r.kernel.org, linux-net-drivers@...arflare.com Subject: [PATCH 01/10] sfc: Update MCDI protocol definitions Signed-off-by: Ben Hutchings <bhutchings@...arflare.com> --- drivers/net/sfc/mcdi_pcol.h | 202 ++++++++++++++++++++++++++++++++++++++----- 1 files changed, 179 insertions(+), 23 deletions(-) diff --git a/drivers/net/sfc/mcdi_pcol.h b/drivers/net/sfc/mcdi_pcol.h index 73e71f4..bd59302 100644 --- a/drivers/net/sfc/mcdi_pcol.h +++ b/drivers/net/sfc/mcdi_pcol.h @@ -786,16 +786,18 @@ #define MC_CMD_GET_PHY_CFG_OUT_FLAGS_OFST 0 #define MC_CMD_GET_PHY_CFG_PRESENT_LBN 0 #define MC_CMD_GET_PHY_CFG_PRESENT_WIDTH 1 -#define MC_CMD_GET_PHY_CFG_SHORTBIST_LBN 1 -#define MC_CMD_GET_PHY_CFG_SHORTBIST_WIDTH 1 -#define MC_CMD_GET_PHY_CFG_LONGBIST_LBN 2 -#define MC_CMD_GET_PHY_CFG_LONGBIST_WIDTH 1 +#define MC_CMD_GET_PHY_CFG_BIST_CABLE_SHORT_LBN 1 +#define MC_CMD_GET_PHY_CFG_BIST_CABLE_SHORT_WIDTH 1 +#define MC_CMD_GET_PHY_CFG_BIST_CABLE_LONG_LBN 2 +#define MC_CMD_GET_PHY_CFG_BIST_CABLE_LONG_WIDTH 1 #define MC_CMD_GET_PHY_CFG_LOWPOWER_LBN 3 #define MC_CMD_GET_PHY_CFG_LOWPOWER_WIDTH 1 #define MC_CMD_GET_PHY_CFG_POWEROFF_LBN 4 #define MC_CMD_GET_PHY_CFG_POWEROFF_WIDTH 1 #define MC_CMD_GET_PHY_CFG_TXDIS_LBN 5 #define MC_CMD_GET_PHY_CFG_TXDIS_WIDTH 1 +#define MC_CMD_GET_PHY_CFG_BIST_LBN 6 +#define MC_CMD_GET_PHY_CFG_BIST_WIDTH 1 #define MC_CMD_GET_PHY_CFG_OUT_TYPE_OFST 4 /* Bitmask of supported capabilities */ #define MC_CMD_GET_PHY_CFG_OUT_SUPPORTED_CAP_OFST 8 @@ -832,7 +834,7 @@ #define MC_CMD_GET_PHY_CFG_OUT_REVISION_OFST 52 #define MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN 20 -/* MC_CMD_START_PHY_BIST: +/* MC_CMD_START_BIST: * Start a BIST test on the PHY. * * Locks required: PHY_LOCK if doing a PHY BIST @@ -840,34 +842,71 @@ */ #define MC_CMD_START_BIST 0x25 #define MC_CMD_START_BIST_IN_LEN 4 -#define MC_CMD_START_BIST_TYPE_OFST 0 +#define MC_CMD_START_BIST_IN_TYPE_OFST 0 +#define MC_CMD_START_BIST_OUT_LEN 0 -/* Run the PHY's short BIST */ -#define MC_CMD_PHY_BIST_SHORT 1 -/* Run the PHY's long BIST */ -#define MC_CMD_PHY_BIST_LONG 2 +/* Run the PHY's short cable BIST */ +#define MC_CMD_PHY_BIST_CABLE_SHORT 1 +/* Run the PHY's long cable BIST */ +#define MC_CMD_PHY_BIST_CABLE_LONG 2 /* Run BIST on the currently selected BPX Serdes (XAUI or XFI) */ #define MC_CMD_BPX_SERDES_BIST 3 +/* Run the MC loopback tests */ +#define MC_CMD_MC_LOOPBACK_BIST 4 +/* Run the PHY's standard BIST */ +#define MC_CMD_PHY_BIST 5 /* MC_CMD_POLL_PHY_BIST: (variadic output) * Poll for BIST completion * - * Returns a single status code, and a binary blob of phy-specific - * bist output. If the driver can't succesfully parse the BIST output, - * it should still respect the Pass/Fail in OUT.RESULT. + * Returns a single status code, and optionally some PHY specific + * bist output. The driver should only consume the BIST output + * after validating OUTLEN and PHY_CFG.PHY_TYPE. * - * Locks required: PHY_LOCK if doing a PHY BIST + * If a driver can't succesfully parse the BIST output, it should + * still respect the pass/Fail in OUT.RESULT + * + * Locks required: PHY_LOCK if doing a PHY BIST * Return code: 0, EACCES (if PHY_LOCK is not held) */ #define MC_CMD_POLL_BIST 0x26 #define MC_CMD_POLL_BIST_IN_LEN 0 #define MC_CMD_POLL_BIST_OUT_LEN UNKNOWN +#define MC_CMD_POLL_BIST_OUT_SFT9001_LEN 40 +#define MC_CMD_POLL_BIST_OUT_MRSFP_LEN 8 #define MC_CMD_POLL_BIST_OUT_RESULT_OFST 0 #define MC_CMD_POLL_BIST_RUNNING 1 #define MC_CMD_POLL_BIST_PASSED 2 #define MC_CMD_POLL_BIST_FAILED 3 #define MC_CMD_POLL_BIST_TIMEOUT 4 +/* Generic: */ #define MC_CMD_POLL_BIST_OUT_PRIVATE_OFST 4 +/* SFT9001-specific: */ +/* (offset 4 unused?) */ +#define MC_CMD_POLL_BIST_OUT_SFT9001_CABLE_LENGTH_A_OFST 8 +#define MC_CMD_POLL_BIST_OUT_SFT9001_CABLE_LENGTH_B_OFST 12 +#define MC_CMD_POLL_BIST_OUT_SFT9001_CABLE_LENGTH_C_OFST 16 +#define MC_CMD_POLL_BIST_OUT_SFT9001_CABLE_LENGTH_D_OFST 20 +#define MC_CMD_POLL_BIST_OUT_SFT9001_CABLE_STATUS_A_OFST 24 +#define MC_CMD_POLL_BIST_OUT_SFT9001_CABLE_STATUS_B_OFST 28 +#define MC_CMD_POLL_BIST_OUT_SFT9001_CABLE_STATUS_C_OFST 32 +#define MC_CMD_POLL_BIST_OUT_SFT9001_CABLE_STATUS_D_OFST 36 +#define MC_CMD_POLL_BIST_SFT9001_PAIR_OK 1 +#define MC_CMD_POLL_BIST_SFT9001_PAIR_OPEN 2 +#define MC_CMD_POLL_BIST_SFT9001_INTRA_PAIR_SHORT 3 +#define MC_CMD_POLL_BIST_SFT9001_INTER_PAIR_SHORT 4 +#define MC_CMD_POLL_BIST_SFT9001_PAIR_BUSY 9 +/* mrsfp "PHY" driver: */ +#define MC_CMD_POLL_BIST_OUT_MRSFP_TEST_OFST 4 +#define MC_CMD_POLL_BIST_MRSFP_TEST_COMPLETE 0 +#define MC_CMD_POLL_BIST_MRSFP_TEST_BUS_SWITCH_OFF_I2C_WRITE 1 +#define MC_CMD_POLL_BIST_MRSFP_TEST_BUS_SWITCH_OFF_I2C_NO_ACCESS_IO_EXP 2 +#define MC_CMD_POLL_BIST_MRSFP_TEST_BUS_SWITCH_OFF_I2C_NO_ACCESS_MODULE 3 +#define MC_CMD_POLL_BIST_MRSFP_TEST_IO_EXP_I2C_CONFIGURE 4 +#define MC_CMD_POLL_BIST_MRSFP_TEST_BUS_SWITCH_I2C_NO_CROSSTALK 5 +#define MC_CMD_POLL_BIST_MRSFP_TEST_MODULE_PRESENCE 6 +#define MC_CMD_POLL_BIST_MRSFP_TEST_MODULE_ID_I2C_ACCESS 7 +#define MC_CMD_POLL_BIST_MRSFP_TEST_MODULE_ID_SANE_VALUE 8 /* MC_CMD_PHY_SPI: (variadic in, variadic out) * Read/Write/Erase the PHY SPI device @@ -1206,6 +1245,13 @@ #define MC_CMD_WOL_FILTER_SET_IN_BITMAP_LAYER4_OFST \ (MC_CMD_WOL_FILTER_SET_IN_DATA_OFST + 178) +#define MC_CMD_WOL_FILTER_SET_IN_LINK_MASK_OFST \ + MC_CMD_WOL_FILTER_SET_IN_DATA_OFST +#define MC_CMD_WOL_FILTER_SET_IN_LINK_UP_LBN 0 +#define MC_CMD_WOL_FILTER_SET_IN_LINK_UP_WIDTH 1 +#define MC_CMD_WOL_FILTER_SET_IN_LINK_DOWN_LBN 1 +#define MC_CMD_WOL_FILTER_SET_IN_LINK_DOWN_WIDTH 1 + #define MC_CMD_WOL_FILTER_SET_OUT_LEN 4 #define MC_CMD_WOL_FILTER_SET_OUT_FILTER_ID_OFST 0 @@ -1216,7 +1262,8 @@ #define MC_CMD_WOL_TYPE_IPV4_SYN 0x3 #define MC_CMD_WOL_TYPE_IPV6_SYN 0x4 #define MC_CMD_WOL_TYPE_BITMAP 0x5 -#define MC_CMD_WOL_TYPE_MAX 0x6 +#define MC_CMD_WOL_TYPE_LINK 0x6 +#define MC_CMD_WOL_TYPE_MAX 0x7 #define MC_CMD_FILTER_MODE_SIMPLE 0x0 #define MC_CMD_FILTER_MODE_STRUCTURED 0xffffffff @@ -1357,14 +1404,24 @@ * Returns: 0, EINVAL (bad type/offset/length), EACCES (if PHY_LOCK required and not held) */ #define MC_CMD_NVRAM_UPDATE_FINISH 0x3c -#define MC_CMD_NVRAM_UPDATE_FINISH_IN_LEN 4 +#define MC_CMD_NVRAM_UPDATE_FINISH_IN_LEN 8 #define MC_CMD_NVRAM_UPDATE_FINISH_IN_TYPE_OFST 0 +#define MC_CMD_NVRAM_UPDATE_FINISH_IN_REBOOT_OFST 4 #define MC_CMD_NVRAM_UPDATE_FINISH_OUT_LEN 0 /* MC_CMD_REBOOT: - * Reboot the MC. The AFTER_ASSERTION flag is intended to be used - * when the driver notices an assertion failure, to allow two ports to - * both recover (semi-)gracefully. + * Reboot the MC. + * + * The AFTER_ASSERTION flag is intended to be used when the driver notices + * an assertion failure (at which point it is expected to perform a complete + * tear down and reinitialise), to allow both ports to reset the MC once + * in an atomic fashion. + * + * Production mc firmwares are generally compiled with REBOOT_ON_ASSERT=1, + * which means that they will automatically reboot out of the assertion + * handler, so this is in practise an optional operation. It is still + * recommended that drivers execute this to support custom firmwares + * with REBOOT_ON_ASSERT=0. * * Locks required: NONE * Returns: Nothing. You get back a response with ERR=1, DATALEN=0 @@ -1469,11 +1526,10 @@ ((_ofst) + 6) /* MC_CMD_READ_SENSORS - * Returns the current (value, state) for each sensor + * Returns the current reading from each sensor * - * Returns the current (value, state) [each 16bit] of each sensor supported by - * this board, by DMA'ing a sparse array (indexed by the sensor type) into host - * memory. + * Returns a sparse array of sensor readings (indexed by the sensor + * type) into host memory. Each array element is a dword. * * The MC will send a SENSOREVT event every time any sensor changes state. The * driver is responsible for ensuring that it doesn't miss any events. The board @@ -1486,6 +1542,12 @@ #define MC_CMD_READ_SENSORS_IN_DMA_ADDR_HI_OFST 4 #define MC_CMD_READ_SENSORS_OUT_LEN 0 +/* Sensor reading fields */ +#define MC_CMD_READ_SENSOR_VALUE_LBN 0 +#define MC_CMD_READ_SENSOR_VALUE_WIDTH 16 +#define MC_CMD_READ_SENSOR_STATE_LBN 16 +#define MC_CMD_READ_SENSOR_STATE_WIDTH 8 + /* MC_CMD_GET_PHY_STATE: * Report current state of PHY. A "zombie" PHY is a PHY that has failed to @@ -1577,4 +1639,98 @@ #define MC_CMD_MAC_RESET_RESTORE_IN_LEN 0 #define MC_CMD_MAC_RESET_RESTORE_OUT_LEN 0 + +/* MC_CMD_TEST_ASSERT: + * Deliberately trigger an assert-detonation in the firmware for testing + * purposes (i.e. to allow tests that the driver copes gracefully). + * + * Locks required: None + * Returns: 0 + */ + +#define MC_CMD_TESTASSERT 0x49 +#define MC_CMD_TESTASSERT_IN_LEN 0 +#define MC_CMD_TESTASSERT_OUT_LEN 0 + +/* MC_CMD_WORKAROUND 0x4a + * + * Enable/Disable a given workaround. The mcfw will return EINVAL if it + * doesn't understand the given workaround number - which should not + * be treated as a hard error by client code. + * + * This op does not imply any semantics about each workaround, that's between + * the driver and the mcfw on a per-workaround basis. + * + * Locks required: None + * Returns: 0, EINVAL + */ +#define MC_CMD_WORKAROUND 0x4a +#define MC_CMD_WORKAROUND_IN_LEN 8 +#define MC_CMD_WORKAROUND_IN_TYPE_OFST 0 +#define MC_CMD_WORKAROUND_BUG17230 1 +#define MC_CMD_WORKAROUND_IN_ENABLED_OFST 4 +#define MC_CMD_WORKAROUND_OUT_LEN 0 + +/* MC_CMD_GET_PHY_MEDIA_INFO: + * Read media-specific data from PHY (e.g. SFP/SFP+ module ID information for + * SFP+ PHYs). + * + * The "media type" can be found via GET_PHY_CFG (GET_PHY_CFG_OUT_MEDIA_TYPE); + * the valid "page number" input values, and the output data, are interpreted + * on a per-type basis. + * + * For SFP+: PAGE=0 or 1 returns a 128-byte block read from module I2C address + * 0xA0 offset 0 or 0x80. + * Anything else: currently undefined. + * + * Locks required: None + * Return code: 0 + */ +#define MC_CMD_GET_PHY_MEDIA_INFO 0x4b +#define MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN 4 +#define MC_CMD_GET_PHY_MEDIA_INFO_IN_PAGE_OFST 0 +#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(_num_bytes) (4 + (_num_bytes)) +#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATALEN_OFST 0 +#define MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_OFST 4 + +/* MC_CMD_NVRAM_TEST: + * Test a particular NVRAM partition for valid contents (where "valid" + * depends on the type of partition). + * + * Locks required: None + * Return code: 0 + */ +#define MC_CMD_NVRAM_TEST 0x4c +#define MC_CMD_NVRAM_TEST_IN_LEN 4 +#define MC_CMD_NVRAM_TEST_IN_TYPE_OFST 0 +#define MC_CMD_NVRAM_TEST_OUT_LEN 4 +#define MC_CMD_NVRAM_TEST_OUT_RESULT_OFST 0 +#define MC_CMD_NVRAM_TEST_PASS 0 +#define MC_CMD_NVRAM_TEST_FAIL 1 +#define MC_CMD_NVRAM_TEST_NOTSUPP 2 + +/* MC_CMD_MRSFP_TWEAK: (debug) + * Read status and/or set parameters for the "mrsfp" driver in mr_rusty builds. + * I2C I/O expander bits are always read; if equaliser parameters are supplied, + * they are configured first. + * + * Locks required: None + * Return code: 0, EINVAL + */ +#define MC_CMD_MRSFP_TWEAK 0x4d +#define MC_CMD_MRSFP_TWEAK_IN_LEN_READ_ONLY 0 +#define MC_CMD_MRSFP_TWEAK_IN_LEN_EQ_CONFIG 16 +#define MC_CMD_MRSFP_TWEAK_IN_TXEQ_LEVEL_OFST 0 /* 0-6 low->high de-emph. */ +#define MC_CMD_MRSFP_TWEAK_IN_TXEQ_DT_CFG_OFST 4 /* 0-8 low->high ref.V */ +#define MC_CMD_MRSFP_TWEAK_IN_RXEQ_BOOST_OFST 8 /* 0-8 low->high boost */ +#define MC_CMD_MRSFP_TWEAK_IN_RXEQ_DT_CFG_OFST 12 /* 0-8 low->high ref.V */ +#define MC_CMD_MRSFP_TWEAK_OUT_LEN 12 +#define MC_CMD_MRSFP_TWEAK_OUT_IOEXP_INPUTS_OFST 0 /* input bits */ +#define MC_CMD_MRSFP_TWEAK_OUT_IOEXP_OUTPUTS_OFST 4 /* output bits */ +#define MC_CMD_MRSFP_TWEAK_OUT_IOEXP_DIRECTION_OFST 8 /* dirs: 0=out, 1=in */ + +/* Do NOT add new commands beyond 0x4f as part of 3.0 : 0x50 - 0x7f will be + * used for post-3.0 extensions. If you run out of space, look for gaps or + * commands that are unused in the existing range. */ + #endif /* MCDI_PCOL_H */ -- 1.6.2.5 -- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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