From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from stargate.chelsio.com (stargate.chelsio.com [12.32.117.8]) by dpdk.org (Postfix) with ESMTP id 79F63A84C for ; Sat, 10 Mar 2018 23:49:33 +0100 (CET) Received: from localhost (scalar.blr.asicdesigners.com [10.193.185.94]) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id w2AMnSSG014048; Sat, 10 Mar 2018 14:49:29 -0800 From: Rahul Lakkireddy To: dev@dpdk.org Cc: kumaras@chelsio.com, nirranjan@chelsio.com, indranil@chelsio.com Date: Sun, 11 Mar 2018 04:18:21 +0530 Message-Id: X-Mailer: git-send-email 2.5.3 In-Reply-To: References: In-Reply-To: References: Subject: [dpdk-dev] [PATCH 03/13] cxgbe: add base for enabling VF ports X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Mar 2018 22:49:34 -0000 From: Kumar Sanghvi Add base to enable VF ports in subsequent patches. Signed-off-by: Kumar Sanghvi Signed-off-by: Rahul Lakkireddy --- drivers/net/cxgbe/base/common.h | 31 +++ drivers/net/cxgbe/base/t4_hw.c | 9 +- drivers/net/cxgbe/base/t4_regs.h | 2 + drivers/net/cxgbe/base/t4fw_interface.h | 73 ++++++ drivers/net/cxgbe/base/t4vf_hw.c | 434 ++++++++++++++++++++++++++++++++ drivers/net/cxgbe/base/t4vf_hw.h | 1 + 6 files changed, 544 insertions(+), 6 deletions(-) diff --git a/drivers/net/cxgbe/base/common.h b/drivers/net/cxgbe/base/common.h index b67cf0b12..3307827c8 100644 --- a/drivers/net/cxgbe/base/common.h +++ b/drivers/net/cxgbe/base/common.h @@ -210,12 +210,29 @@ struct arch_specific_params { u16 mps_tcam_size; }; +/* + * Maximum resources provisioned for a PCI VF. + */ +struct vf_resources { + unsigned int nvi; /* N virtual interfaces */ + unsigned int neq; /* N egress Qs */ + unsigned int nethctrl; /* N egress ETH or CTRL Qs */ + unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */ + unsigned int niq; /* N ingress Qs */ + unsigned int tc; /* PCI-E traffic class */ + unsigned int pmask; /* port access rights mask */ + unsigned int nexactf; /* N exact MPS filters */ + unsigned int r_caps; /* read capabilities */ + unsigned int wx_caps; /* write/execute capabilities */ +}; + struct adapter_params { struct sge_params sge; struct tp_params tp; struct vpd_params vpd; struct pci_params pci; struct devlog_params devlog; + struct vf_resources vfres; enum pcie_memwin drv_memwin; unsigned int sf_size; /* serial flash size in bytes */ @@ -312,9 +329,11 @@ int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, enum dev_master master, enum dev_state *state); int t4_fw_bye(struct adapter *adap, unsigned int mbox); int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset); +int t4vf_fw_reset(struct adapter *adap); int t4_fw_halt(struct adapter *adap, unsigned int mbox, int reset); int t4_fw_restart(struct adapter *adap, unsigned int mbox, int reset); int t4_fl_pkt_align(struct adapter *adap); +int t4vf_get_vfres(struct adapter *adap); int t4_fixup_host_params_compat(struct adapter *adap, unsigned int page_size, unsigned int cache_line_size, enum chip_type chip_compat); @@ -324,6 +343,12 @@ int t4_fw_initialize(struct adapter *adap, unsigned int mbox); int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int nparams, const u32 *params, u32 *val); +int t4vf_query_params(struct adapter *adap, unsigned int nparams, + const u32 *params, u32 *vals); +int t4vf_get_dev_params(struct adapter *adap); +int t4vf_get_vpd_params(struct adapter *adap); +int t4vf_set_params(struct adapter *adapter, unsigned int nparams, + const u32 *params, const u32 *vals); int t4_set_params_timeout(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int nparams, const u32 *params, @@ -440,13 +465,17 @@ void t4_get_port_stats_offset(struct adapter *adap, int idx, struct port_stats *stats, struct port_stats *offset); void t4_clr_port_stats(struct adapter *adap, int idx); +void init_link_config(struct link_config *lc, fw_port_cap32_t pcaps, + fw_port_cap32_t acaps); void t4_reset_link_config(struct adapter *adap, int idx); int t4_get_version_info(struct adapter *adapter); void t4_dump_version_info(struct adapter *adapter); int t4_get_flash_params(struct adapter *adapter); int t4_get_chip_type(struct adapter *adap, int ver); int t4_prep_adapter(struct adapter *adapter); +int t4vf_prep_adapter(struct adapter *adapter); int t4_port_init(struct adapter *adap, int mbox, int pf, int vf); +int t4vf_port_init(struct adapter *adap); int t4_init_rss_mode(struct adapter *adap, int mbox); int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, int start, int n, const u16 *rspq, unsigned int nrspq); @@ -469,8 +498,10 @@ int t4_init_tp_params(struct adapter *adap); int t4_filter_field_shift(const struct adapter *adap, unsigned int filter_sel); int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl); unsigned int t4_get_regs_len(struct adapter *adap); +unsigned int t4vf_get_pf_from_vf(struct adapter *adap); void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size); int t4_seeprom_read(struct adapter *adapter, u32 addr, u32 *data); int t4_seeprom_write(struct adapter *adapter, u32 addr, u32 data); int t4_seeprom_wp(struct adapter *adapter, int enable); +fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16); #endif /* __CHELSIO_COMMON_H */ diff --git a/drivers/net/cxgbe/base/t4_hw.c b/drivers/net/cxgbe/base/t4_hw.c index 8e2b8a7d5..436a9953d 100644 --- a/drivers/net/cxgbe/base/t4_hw.c +++ b/drivers/net/cxgbe/base/t4_hw.c @@ -55,9 +55,6 @@ #include "t4_regs_values.h" #include "t4fw_interface.h" -static void init_link_config(struct link_config *lc, unsigned int pcaps, - unsigned int acaps); - /** * t4_read_mtu_tbl - returns the values in the HW path MTU table * @adap: the adapter @@ -2804,7 +2801,7 @@ void t4_dump_version_info(struct adapter *adapter) * * Returns the equivalent 32-bit Port Capabilities value. */ -static fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16) +fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16) { fw_port_cap32_t caps32 = 0; @@ -4585,8 +4582,8 @@ void t4_reset_link_config(struct adapter *adap, int idx) * Initializes the SW state maintained for each link, including the link's * capabilities and default speed/flow-control/autonegotiation settings. */ -static void init_link_config(struct link_config *lc, fw_port_cap32_t pcaps, - fw_port_cap32_t acaps) +void init_link_config(struct link_config *lc, fw_port_cap32_t pcaps, + fw_port_cap32_t acaps) { lc->pcaps = pcaps; lc->requested_speed = 0; diff --git a/drivers/net/cxgbe/base/t4_regs.h b/drivers/net/cxgbe/base/t4_regs.h index 657d8a7d7..f553d146d 100644 --- a/drivers/net/cxgbe/base/t4_regs.h +++ b/drivers/net/cxgbe/base/t4_regs.h @@ -852,6 +852,7 @@ #define F_PFCIM V_PFCIM(1U) #define A_PL_WHOAMI 0x19400 +#define A_PL_VF_WHOAMI 0x0 #define A_PL_RST 0x19428 @@ -866,6 +867,7 @@ #define F_PIORSTMODE V_PIORSTMODE(1U) #define A_PL_REV 0x1943c +#define A_PL_VF_REV 0x4 #define S_REV 0 #define M_REV 0xfU diff --git a/drivers/net/cxgbe/base/t4fw_interface.h b/drivers/net/cxgbe/base/t4fw_interface.h index d71c5a4af..b40bfb960 100644 --- a/drivers/net/cxgbe/base/t4fw_interface.h +++ b/drivers/net/cxgbe/base/t4fw_interface.h @@ -178,6 +178,7 @@ enum fw_cmd_opcodes { FW_INITIALIZE_CMD = 0x06, FW_CAPS_CONFIG_CMD = 0x07, FW_PARAMS_CMD = 0x08, + FW_PFVF_CMD = 0x09, FW_IQ_CMD = 0x10, FW_EQ_ETH_CMD = 0x12, FW_VI_CMD = 0x14, @@ -190,6 +191,10 @@ enum fw_cmd_opcodes { FW_DEBUG_CMD = 0x81, }; +enum fw_cmd_cap { + FW_CMD_CAP_PORT = 0x04, +}; + /* * Generic command header flit0 */ @@ -484,6 +489,8 @@ enum fw_params_mnem { enum fw_params_param_dev { FW_PARAMS_PARAM_DEV_CCLK = 0x00, /* chip core clock in khz */ FW_PARAMS_PARAM_DEV_PORTVEC = 0x01, /* the port vector */ + FW_PARAMS_PARAM_DEV_FWREV = 0x0B, /* fw version */ + FW_PARAMS_PARAM_DEV_TPREV = 0x0C, /* tp version */ FW_PARAMS_PARAM_DEV_ULPTX_MEMWRITE_DSGL = 0x17, }; @@ -533,6 +540,10 @@ enum fw_params_param_dmaq { #define G_FW_PARAMS_PARAM_YZ(x) \ (((x) >> S_FW_PARAMS_PARAM_YZ) & M_FW_PARAMS_PARAM_YZ) +#define S_FW_PARAMS_PARAM_XYZ 0 +#define M_FW_PARAMS_PARAM_XYZ 0xffffff +#define V_FW_PARAMS_PARAM_XYZ(x) ((x) << S_FW_PARAMS_PARAM_XYZ) + struct fw_params_cmd { __be32 op_to_vfn; __be32 retval_len16; @@ -554,6 +565,68 @@ struct fw_params_cmd { #define G_FW_PARAMS_CMD_VFN(x) \ (((x) >> S_FW_PARAMS_CMD_VFN) & M_FW_PARAMS_CMD_VFN) +struct fw_pfvf_cmd { + __be32 op_to_vfn; + __be32 retval_len16; + __be32 niqflint_niq; + __be32 type_to_neq; + __be32 tc_to_nexactf; + __be32 r_caps_to_nethctrl; + __be16 nricq; + __be16 nriqp; + __be32 r4; +}; + +#define S_FW_PFVF_CMD_NIQFLINT 20 +#define M_FW_PFVF_CMD_NIQFLINT 0xfff +#define G_FW_PFVF_CMD_NIQFLINT(x) \ + (((x) >> S_FW_PFVF_CMD_NIQFLINT) & M_FW_PFVF_CMD_NIQFLINT) + +#define S_FW_PFVF_CMD_NIQ 0 +#define M_FW_PFVF_CMD_NIQ 0xfffff +#define G_FW_PFVF_CMD_NIQ(x) \ + (((x) >> S_FW_PFVF_CMD_NIQ) & M_FW_PFVF_CMD_NIQ) + +#define S_FW_PFVF_CMD_PMASK 20 +#define M_FW_PFVF_CMD_PMASK 0xf +#define G_FW_PFVF_CMD_PMASK(x) \ + (((x) >> S_FW_PFVF_CMD_PMASK) & M_FW_PFVF_CMD_PMASK) + +#define S_FW_PFVF_CMD_NEQ 0 +#define M_FW_PFVF_CMD_NEQ 0xfffff +#define G_FW_PFVF_CMD_NEQ(x) \ + (((x) >> S_FW_PFVF_CMD_NEQ) & M_FW_PFVF_CMD_NEQ) + +#define S_FW_PFVF_CMD_TC 24 +#define M_FW_PFVF_CMD_TC 0xff +#define G_FW_PFVF_CMD_TC(x) \ + (((x) >> S_FW_PFVF_CMD_TC) & M_FW_PFVF_CMD_TC) + +#define S_FW_PFVF_CMD_NVI 16 +#define M_FW_PFVF_CMD_NVI 0xff +#define G_FW_PFVF_CMD_NVI(x) \ + (((x) >> S_FW_PFVF_CMD_NVI) & M_FW_PFVF_CMD_NVI) + +#define S_FW_PFVF_CMD_NEXACTF 0 +#define M_FW_PFVF_CMD_NEXACTF 0xffff +#define G_FW_PFVF_CMD_NEXACTF(x) \ + (((x) >> S_FW_PFVF_CMD_NEXACTF) & M_FW_PFVF_CMD_NEXACTF) + +#define S_FW_PFVF_CMD_R_CAPS 24 +#define M_FW_PFVF_CMD_R_CAPS 0xff +#define G_FW_PFVF_CMD_R_CAPS(x) \ + (((x) >> S_FW_PFVF_CMD_R_CAPS) & M_FW_PFVF_CMD_R_CAPS) + +#define S_FW_PFVF_CMD_WX_CAPS 16 +#define M_FW_PFVF_CMD_WX_CAPS 0xff +#define G_FW_PFVF_CMD_WX_CAPS(x) \ + (((x) >> S_FW_PFVF_CMD_WX_CAPS) & M_FW_PFVF_CMD_WX_CAPS) + +#define S_FW_PFVF_CMD_NETHCTRL 0 +#define M_FW_PFVF_CMD_NETHCTRL 0xffff +#define G_FW_PFVF_CMD_NETHCTRL(x) \ + (((x) >> S_FW_PFVF_CMD_NETHCTRL) & M_FW_PFVF_CMD_NETHCTRL) + /* * ingress queue type; the first 1K ingress queues can have associated 0, * 1 or 2 free lists and an interrupt, all other ingress queues lack these diff --git a/drivers/net/cxgbe/base/t4vf_hw.c b/drivers/net/cxgbe/base/t4vf_hw.c index 909659ce7..6f222c4a1 100644 --- a/drivers/net/cxgbe/base/t4vf_hw.c +++ b/drivers/net/cxgbe/base/t4vf_hw.c @@ -9,6 +9,34 @@ #include "common.h" #include "t4_regs.h" +/** + * t4vf_wait_dev_ready - wait till to reads of registers work + * + * Wait for the device to become ready (signified by our "who am I" register + * returning a value other than all 1's). Return an error if it doesn't + * become ready ... + */ +static int t4vf_wait_dev_ready(struct adapter *adapter) +{ + const u32 whoami = T4VF_PL_BASE_ADDR + A_PL_VF_WHOAMI; + const u32 notready1 = 0xffffffff; + const u32 notready2 = 0xeeeeeeee; + u32 val; + + val = t4_read_reg(adapter, whoami); + if (val != notready1 && val != notready2) + return 0; + + msleep(500); + val = t4_read_reg(adapter, whoami); + if (val != notready1 && val != notready2) + return 0; + + dev_err(adapter, "Device didn't become ready for access, whoami = %#x\n", + val); + return -EIO; +} + /* * Get the reply to a mailbox command and store it in @rpl in big-endian order. */ @@ -222,3 +250,409 @@ int t4vf_wr_mbox_core(struct adapter *adapter, ret = -ETIMEDOUT; return ret; } + +/** + * t4vf_fw_reset - issue a reset to FW + * @adapter: the adapter + * + * Issues a reset command to FW. For a Physical Function this would + * result in the Firmware resetting all of its state. For a Virtual + * Function this just resets the state associated with the VF. + */ +int t4vf_fw_reset(struct adapter *adapter) +{ + struct fw_reset_cmd cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_RESET_CMD) | + F_FW_CMD_WRITE); + cmd.retval_len16 = cpu_to_be32(V_FW_CMD_LEN16(FW_LEN16(cmd))); + return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); +} + +/** + * t4vf_prep_adapter - prepare SW and HW for operation + * @adapter: the adapter + * + * Initialize adapter SW state for the various HW modules, set initial + * values for some adapter tunables, take PHYs out of reset, and + * initialize the MDIO interface. + */ +int t4vf_prep_adapter(struct adapter *adapter) +{ + u32 pl_vf_rev; + int ret, ver; + + ret = t4vf_wait_dev_ready(adapter); + if (ret < 0) + return ret; + + /* + * Default port and clock for debugging in case we can't reach + * firmware. + */ + adapter->params.nports = 1; + adapter->params.vfres.pmask = 1; + adapter->params.vpd.cclk = 50000; + + pl_vf_rev = G_REV(t4_read_reg(adapter, A_PL_VF_REV)); + adapter->params.pci.device_id = adapter->pdev->id.device_id; + adapter->params.pci.vendor_id = adapter->pdev->id.vendor_id; + + /* + * WE DON'T NEED adapter->params.chip CODE ONCE PL_REV CONTAINS + * ADAPTER (VERSION << 4 | REVISION) + */ + ver = CHELSIO_PCI_ID_VER(adapter->params.pci.device_id); + adapter->params.chip = 0; + switch (ver) { + case CHELSIO_T5: + adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, + pl_vf_rev); + adapter->params.arch.sge_fl_db = F_DBPRIO | F_DBTYPE; + adapter->params.arch.mps_tcam_size = + NUM_MPS_T5_CLS_SRAM_L_INSTANCES; + break; + case CHELSIO_T6: + adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T6, + pl_vf_rev); + adapter->params.arch.sge_fl_db = 0; + adapter->params.arch.mps_tcam_size = + NUM_MPS_T5_CLS_SRAM_L_INSTANCES; + break; + default: + dev_err(adapter, "%s: Device %d is not supported\n", + __func__, adapter->params.pci.device_id); + return -EINVAL; + } + return 0; +} + +/** + * t4vf_query_params - query FW or device parameters + * @adapter: the adapter + * @nparams: the number of parameters + * @params: the parameter names + * @vals: the parameter values + * + * Reads the values of firmware or device parameters. Up to 7 parameters + * can be queried at once. + */ +int t4vf_query_params(struct adapter *adapter, unsigned int nparams, + const u32 *params, u32 *vals) +{ + struct fw_params_cmd cmd, rpl; + struct fw_params_param *p; + unsigned int i; + size_t len16; + int ret; + + if (nparams > 7) + return -EINVAL; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ); + len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd, + param[nparams]), 16); + cmd.retval_len16 = cpu_to_be32(V_FW_CMD_LEN16(len16)); + for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++) + p->mnem = cpu_to_be32(*params++); + ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); + if (ret == 0) + for (i = 0, p = &rpl.param[0]; i < nparams; i++, p++) + *vals++ = be32_to_cpu(p->val); + return ret; +} + +/** + * t4vf_get_vpd_params - retrieve device VPD paremeters + * @adapter: the adapter + * + * Retrives various device Vital Product Data parameters. The parameters + * are stored in @adapter->params.vpd. + */ +int t4vf_get_vpd_params(struct adapter *adapter) +{ + struct vpd_params *vpd_params = &adapter->params.vpd; + u32 params[7], vals[7]; + int v; + + params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CCLK)); + v = t4vf_query_params(adapter, 1, params, vals); + if (v != FW_SUCCESS) + return v; + vpd_params->cclk = vals[0]; + dev_debug(adapter, "%s: vpd_params->cclk = %u\n", + __func__, vpd_params->cclk); + return 0; +} + +/** + * t4vf_get_dev_params - retrieve device paremeters + * @adapter: the adapter + * + * Retrives fw and tp version. + */ +int t4vf_get_dev_params(struct adapter *adapter) +{ + u32 params[7], vals[7]; + int v; + + params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FWREV)); + params[1] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_TPREV)); + v = t4vf_query_params(adapter, 2, params, vals); + if (v != FW_SUCCESS) + return v; + adapter->params.fw_vers = vals[0]; + adapter->params.tp_vers = vals[1]; + + dev_info(adapter, "Firmware version: %u.%u.%u.%u\n", + G_FW_HDR_FW_VER_MAJOR(adapter->params.fw_vers), + G_FW_HDR_FW_VER_MINOR(adapter->params.fw_vers), + G_FW_HDR_FW_VER_MICRO(adapter->params.fw_vers), + G_FW_HDR_FW_VER_BUILD(adapter->params.fw_vers)); + + dev_info(adapter, "TP Microcode version: %u.%u.%u.%u\n", + G_FW_HDR_FW_VER_MAJOR(adapter->params.tp_vers), + G_FW_HDR_FW_VER_MINOR(adapter->params.tp_vers), + G_FW_HDR_FW_VER_MICRO(adapter->params.tp_vers), + G_FW_HDR_FW_VER_BUILD(adapter->params.tp_vers)); + return 0; +} + +/** + * t4vf_set_params - sets FW or device parameters + * @adapter: the adapter + * @nparams: the number of parameters + * @params: the parameter names + * @vals: the parameter values + * + * Sets the values of firmware or device parameters. Up to 7 parameters + * can be specified at once. + */ +int t4vf_set_params(struct adapter *adapter, unsigned int nparams, + const u32 *params, const u32 *vals) +{ + struct fw_params_param *p; + struct fw_params_cmd cmd; + unsigned int i; + size_t len16; + + if (nparams > 7) + return -EINVAL; + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_WRITE); + len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd, + param[nparams]), 16); + cmd.retval_len16 = cpu_to_be32(V_FW_CMD_LEN16(len16)); + for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++) { + p->mnem = cpu_to_be32(*params++); + p->val = cpu_to_be32(*vals++); + } + return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); +} + +unsigned int t4vf_get_pf_from_vf(struct adapter *adapter) +{ + u32 whoami; + + whoami = t4_read_reg(adapter, T4VF_PL_BASE_ADDR + A_PL_VF_WHOAMI); + return (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ? + G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami)); +} + +/** + * t4vf_get_vfres - retrieve VF resource limits + * @adapter: the adapter + * + * Retrieves configured resource limits and capabilities for a virtual + * function. The results are stored in @adapter->vfres. + */ +int t4vf_get_vfres(struct adapter *adapter) +{ + struct vf_resources *vfres = &adapter->params.vfres; + struct fw_pfvf_cmd cmd, rpl; + u32 word; + int v; + + /* + * Execute PFVF Read command to get VF resource limits; bail out early + * with error on command failure. + */ + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PFVF_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ); + cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); + v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); + if (v != FW_SUCCESS) + return v; + + /* + * Extract VF resource limits and return success. + */ + word = be32_to_cpu(rpl.niqflint_niq); + vfres->niqflint = G_FW_PFVF_CMD_NIQFLINT(word); + vfres->niq = G_FW_PFVF_CMD_NIQ(word); + + word = be32_to_cpu(rpl.type_to_neq); + vfres->neq = G_FW_PFVF_CMD_NEQ(word); + vfres->pmask = G_FW_PFVF_CMD_PMASK(word); + + word = be32_to_cpu(rpl.tc_to_nexactf); + vfres->tc = G_FW_PFVF_CMD_TC(word); + vfres->nvi = G_FW_PFVF_CMD_NVI(word); + vfres->nexactf = G_FW_PFVF_CMD_NEXACTF(word); + + word = be32_to_cpu(rpl.r_caps_to_nethctrl); + vfres->r_caps = G_FW_PFVF_CMD_R_CAPS(word); + vfres->wx_caps = G_FW_PFVF_CMD_WX_CAPS(word); + vfres->nethctrl = G_FW_PFVF_CMD_NETHCTRL(word); + return 0; +} + +static int t4vf_alloc_vi(struct adapter *adapter, int port_id) +{ + struct fw_vi_cmd cmd, rpl; + int v; + + /* + * Execute a VI command to allocate Virtual Interface and return its + * VIID. + */ + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_WRITE | + F_FW_CMD_EXEC); + cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(cmd) | + F_FW_VI_CMD_ALLOC); + cmd.portid_pkd = V_FW_VI_CMD_PORTID(port_id); + v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); + if (v != FW_SUCCESS) + return v; + return G_FW_VI_CMD_VIID(be16_to_cpu(rpl.type_to_viid)); +} + +int t4vf_port_init(struct adapter *adapter) +{ + unsigned int fw_caps = adapter->params.fw_caps_support; + struct fw_port_cmd port_cmd, port_rpl; + struct fw_vi_cmd vi_cmd, vi_rpl; + fw_port_cap32_t pcaps, acaps; + enum fw_port_type port_type; + int mdio_addr; + int ret, i; + + for_each_port(adapter, i) { + struct port_info *p = adap2pinfo(adapter, i); + + /* + * If we haven't yet determined if we're talking to Firmware + * which knows the new 32-bit Port Caps, it's time to find + * out now. This will also tell new Firmware to send us Port + * Status Updates using the new 32-bit Port Capabilities + * version of the Port Information message. + */ + if (fw_caps == FW_CAPS_UNKNOWN) { + u32 param, val; + + param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | + V_FW_PARAMS_PARAM_X + (FW_PARAMS_PARAM_PFVF_PORT_CAPS32)); + val = 1; + ret = t4vf_set_params(adapter, 1, ¶m, &val); + fw_caps = (ret == 0 ? FW_CAPS32 : FW_CAPS16); + adapter->params.fw_caps_support = fw_caps; + } + + ret = t4vf_alloc_vi(adapter, p->port_id); + if (ret < 0) { + dev_err(&pdev->dev, "cannot allocate VI for port %d:" + " err=%d\n", p->port_id, ret); + return ret; + } + p->viid = ret; + + /* + * Execute a VI Read command to get our Virtual Interface + * information like MAC address, etc. + */ + memset(&vi_cmd, 0, sizeof(vi_cmd)); + vi_cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ); + vi_cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(vi_cmd)); + vi_cmd.type_to_viid = cpu_to_be16(V_FW_VI_CMD_VIID(p->viid)); + ret = t4vf_wr_mbox(adapter, &vi_cmd, sizeof(vi_cmd), &vi_rpl); + if (ret != FW_SUCCESS) + return ret; + + p->rss_size = G_FW_VI_CMD_RSSSIZE + (be16_to_cpu(vi_rpl.norss_rsssize)); + t4_os_set_hw_addr(adapter, i, vi_rpl.mac); + + /* + * If we don't have read access to our port information, we're + * done now. Else, execute a PORT Read command to get it ... + */ + if (!(adapter->params.vfres.r_caps & FW_CMD_CAP_PORT)) + return 0; + + memset(&port_cmd, 0, sizeof(port_cmd)); + port_cmd.op_to_portid = cpu_to_be32 + (V_FW_CMD_OP(FW_PORT_CMD) | F_FW_CMD_REQUEST | + F_FW_CMD_READ | + V_FW_PORT_CMD_PORTID(p->port_id)); + port_cmd.action_to_len16 = cpu_to_be32 + (V_FW_PORT_CMD_ACTION(fw_caps == FW_CAPS16 ? + FW_PORT_ACTION_GET_PORT_INFO : + FW_PORT_ACTION_GET_PORT_INFO32) | + FW_LEN16(port_cmd)); + ret = t4vf_wr_mbox(adapter, &port_cmd, sizeof(port_cmd), + &port_rpl); + if (ret != FW_SUCCESS) + return ret; + + /* + * Extract the various fields from the Port Information message. + */ + if (fw_caps == FW_CAPS16) { + u32 lstatus = be32_to_cpu + (port_rpl.u.info.lstatus_to_modtype); + + port_type = G_FW_PORT_CMD_PTYPE(lstatus); + mdio_addr = ((lstatus & F_FW_PORT_CMD_MDIOCAP) ? + (int)G_FW_PORT_CMD_MDIOADDR(lstatus) : + -1); + pcaps = fwcaps16_to_caps32 + (be16_to_cpu(port_rpl.u.info.pcap)); + acaps = fwcaps16_to_caps32 + (be16_to_cpu(port_rpl.u.info.acap)); + } else { + u32 lstatus32 = be32_to_cpu + (port_rpl.u.info32.lstatus32_to_cbllen32); + + port_type = G_FW_PORT_CMD_PORTTYPE32(lstatus32); + mdio_addr = ((lstatus32 & F_FW_PORT_CMD_MDIOCAP32) ? + (int)G_FW_PORT_CMD_MDIOADDR32(lstatus32) : + -1); + pcaps = be32_to_cpu(port_rpl.u.info32.pcaps32); + acaps = be32_to_cpu(port_rpl.u.info32.acaps32); + } + + p->port_type = port_type; + p->mdio_addr = mdio_addr; + p->mod_type = FW_PORT_MOD_TYPE_NA; + init_link_config(&p->link_cfg, pcaps, acaps); + } + return 0; +} diff --git a/drivers/net/cxgbe/base/t4vf_hw.h b/drivers/net/cxgbe/base/t4vf_hw.h index d16b452ab..55e436e74 100644 --- a/drivers/net/cxgbe/base/t4vf_hw.h +++ b/drivers/net/cxgbe/base/t4vf_hw.h @@ -6,6 +6,7 @@ #ifndef __T4VF_HW_H #define __T4VF_HW_H +#define T4VF_PL_BASE_ADDR 0x0200 #define T4VF_CIM_BASE_ADDR 0x0300 #define T4VF_MBDATA_BASE_ADDR 0x0240 #define T6VF_MBDATA_BASE_ADDR 0x0280 -- 2.14.1