-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2014-2017 Chelsio Communications.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Chelsio Communications nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2018 Chelsio Communications.
+ * All rights reserved.
*/
#include <netinet/in.h>
#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
u32 mbox_addr)
{
for ( ; nflit; nflit--, mbox_addr += 8)
- *rpl++ = htobe64(t4_read_reg64(adap, mbox_addr));
+ *rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr));
}
/*
return -EINVAL;
}
- bzero(p, size);
+ memset(p, 0, size);
memcpy(p, (const __be64 *)cmd, size);
/*
* Send this portion of the RRS table update to the firmware;
* bail out on any errors.
*/
- ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), NULL);
+ if (is_pf4(adapter))
+ ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd),
+ NULL);
+ else
+ ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
if (ret)
return ret;
}
c.retval_len16 = cpu_to_be32(FW_LEN16(c));
c.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(flags |
V_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(defq));
- return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
+ if (is_pf4(adapter))
+ return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
+ else
+ return t4vf_wr_mbox(adapter, &c, sizeof(c), NULL);
}
/**
return 0;
}
+/**
+ * t4_get_pfres - retrieve VF resource limits
+ * @adapter: the adapter
+ *
+ * Retrieves configured resource limits and capabilities for a physical
+ * function. The results are stored in @adapter->pfres.
+ */
+int t4_get_pfres(struct adapter *adapter)
+{
+ struct pf_resources *pfres = &adapter->params.pfres;
+ 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 |
+ V_FW_PFVF_CMD_PFN(adapter->pf) |
+ V_FW_PFVF_CMD_VFN(0));
+ cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
+ v = t4_wr_mbox(adapter, adapter->mbox, &cmd, sizeof(cmd), &rpl);
+ if (v != FW_SUCCESS)
+ return v;
+
+ /*
+ * Extract PF resource limits and return success.
+ */
+ word = be32_to_cpu(rpl.niqflint_niq);
+ pfres->niqflint = G_FW_PFVF_CMD_NIQFLINT(word);
+
+ word = be32_to_cpu(rpl.type_to_neq);
+ pfres->neq = G_FW_PFVF_CMD_NEQ(word);
+ return 0;
+}
+
/* serial flash and firmware constants and flash config file constants */
enum {
SF_ATTEMPTS = 10, /* max retries for SF operations */
#define ADVERT_MASK (V_FW_PORT_CAP32_SPEED(M_FW_PORT_CAP32_SPEED) | \
FW_PORT_CAP32_ANEG)
+/**
+ * fwcaps16_to_caps32 - convert 16-bit Port Capabilities to 32-bits
+ * @caps16: a 16-bit Port Capabilities value
+ *
+ * Returns the equivalent 32-bit Port Capabilities value.
+ */
+fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16)
+{
+ fw_port_cap32_t caps32 = 0;
+
+#define CAP16_TO_CAP32(__cap) \
+ do { \
+ if (caps16 & FW_PORT_CAP_##__cap) \
+ caps32 |= FW_PORT_CAP32_##__cap; \
+ } while (0)
+
+ CAP16_TO_CAP32(SPEED_100M);
+ CAP16_TO_CAP32(SPEED_1G);
+ CAP16_TO_CAP32(SPEED_25G);
+ CAP16_TO_CAP32(SPEED_10G);
+ CAP16_TO_CAP32(SPEED_40G);
+ CAP16_TO_CAP32(SPEED_100G);
+ CAP16_TO_CAP32(FC_RX);
+ CAP16_TO_CAP32(FC_TX);
+ CAP16_TO_CAP32(ANEG);
+ CAP16_TO_CAP32(MDIX);
+ CAP16_TO_CAP32(MDIAUTO);
+ CAP16_TO_CAP32(FEC_RS);
+ CAP16_TO_CAP32(FEC_BASER_RS);
+ CAP16_TO_CAP32(802_3_PAUSE);
+ CAP16_TO_CAP32(802_3_ASM_DIR);
+
+#undef CAP16_TO_CAP32
+
+ return caps32;
+}
+
/**
* fwcaps32_to_caps16 - convert 32-bit Port Capabilities to 16-bits
* @caps32: a 32-bit Port Capabilities value
struct link_config *lc)
{
unsigned int fw_mdi = V_FW_PORT_CAP32_MDI(FW_PORT_CAP32_MDI_AUTO);
+ unsigned int fw_caps = adap->params.fw_caps_support;
fw_port_cap32_t fw_fc, cc_fec, fw_fec, rcap;
struct fw_port_cmd cmd;
F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
V_FW_PORT_CMD_PORTID(port));
cmd.action_to_len16 =
- cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) |
+ cpu_to_be32(V_FW_PORT_CMD_ACTION(fw_caps == FW_CAPS16 ?
+ FW_PORT_ACTION_L1_CFG :
+ FW_PORT_ACTION_L1_CFG32) |
FW_LEN16(cmd));
- cmd.u.l1cfg.rcap = cpu_to_be32(fwcaps32_to_caps16(rcap));
+
+ if (fw_caps == FW_CAPS16)
+ cmd.u.l1cfg.rcap = cpu_to_be32(fwcaps32_to_caps16(rcap));
+ else
+ cmd.u.l1cfg32.rcap32 = cpu_to_be32(rcap);
return t4_wr_mbox(adap, mbox, &cmd, sizeof(cmd), NULL);
}
memset(&c, 0, sizeof(c));
c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | F_FW_CMD_REQUEST |
- F_FW_CMD_EXEC | V_FW_VI_CMD_PFN(pf) |
- V_FW_VI_CMD_VFN(vf));
+ F_FW_CMD_EXEC);
+ if (is_pf4(adap))
+ c.op_to_vfn |= cpu_to_be32(V_FW_VI_CMD_PFN(pf) |
+ V_FW_VI_CMD_VFN(vf));
c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_FREE | FW_LEN16(c));
c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_VIID(viid));
- return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
+ if (is_pf4(adap))
+ return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
+ else
+ return t4vf_wr_mbox(adap, &c, sizeof(c), NULL);
}
/**
V_FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) |
V_FW_VI_RXMODE_CMD_BROADCASTEN(bcast) |
V_FW_VI_RXMODE_CMD_VLANEXEN(vlanex));
- return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
+ if (is_pf4(adap))
+ return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL,
+ sleep_ok);
+ else
+ return t4vf_wr_mbox(adap, &c, sizeof(c), NULL);
+}
+
+/**
+ * t4_alloc_raw_mac_filt - Adds a raw mac entry in mps tcam
+ * @adap: the adapter
+ * @viid: the VI id
+ * @mac: the MAC address
+ * @mask: the mask
+ * @idx: index at which to add this entry
+ * @port_id: the port index
+ * @lookup_type: MAC address for inner (1) or outer (0) header
+ * @sleep_ok: call is allowed to sleep
+ *
+ * Adds the mac entry at the specified index using raw mac interface.
+ *
+ * Returns a negative error number or the allocated index for this mac.
+ */
+int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
+ const u8 *addr, const u8 *mask, unsigned int idx,
+ u8 lookup_type, u8 port_id, bool sleep_ok)
+{
+ int ret = 0;
+ struct fw_vi_mac_cmd c;
+ struct fw_vi_mac_raw *p = &c.u.raw;
+ u32 val;
+
+ memset(&c, 0, sizeof(c));
+ c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
+ F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
+ V_FW_VI_MAC_CMD_VIID(viid));
+ val = V_FW_CMD_LEN16(1) |
+ V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW);
+ c.freemacs_to_len16 = cpu_to_be32(val);
+
+ /* Specify that this is an inner mac address */
+ p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx));
+
+ /* Lookup Type. Outer header: 0, Inner header: 1 */
+ p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) |
+ V_DATAPORTNUM(port_id));
+ /* Lookup mask and port mask */
+ p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) |
+ V_DATAPORTNUM(M_DATAPORTNUM));
+
+ /* Copy the address and the mask */
+ memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN);
+ memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN);
+
+ ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
+ if (ret == 0) {
+ ret = G_FW_VI_MAC_CMD_RAW_IDX(be32_to_cpu(p->raw_idx_pkd));
+ if (ret != (int)idx)
+ ret = -ENOMEM;
+ }
+
+ return ret;
+}
+
+/**
+ * t4_free_raw_mac_filt - Frees a raw mac entry in mps tcam
+ * @adap: the adapter
+ * @viid: the VI id
+ * @addr: the MAC address
+ * @mask: the mask
+ * @idx: index of the entry in mps tcam
+ * @lookup_type: MAC address for inner (1) or outer (0) header
+ * @port_id: the port index
+ * @sleep_ok: call is allowed to sleep
+ *
+ * Removes the mac entry at the specified index using raw mac interface.
+ *
+ * Returns a negative error number on failure.
+ */
+int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
+ const u8 *addr, const u8 *mask, unsigned int idx,
+ u8 lookup_type, u8 port_id, bool sleep_ok)
+{
+ struct fw_vi_mac_cmd c;
+ struct fw_vi_mac_raw *p = &c.u.raw;
+ u32 raw;
+
+ memset(&c, 0, sizeof(c));
+ c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
+ F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
+ V_FW_CMD_EXEC(0) |
+ V_FW_VI_MAC_CMD_VIID(viid));
+ raw = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW);
+ c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0U) |
+ raw |
+ V_FW_CMD_LEN16(1));
+
+ p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx) |
+ FW_VI_MAC_ID_BASED_FREE);
+
+ /* Lookup Type. Outer header: 0, Inner header: 1 */
+ p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) |
+ V_DATAPORTNUM(port_id));
+ /* Lookup mask and port mask */
+ p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) |
+ V_DATAPORTNUM(M_DATAPORTNUM));
+
+ /* Copy the address and the mask */
+ memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN);
+ memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN);
+
+ return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
}
/**
V_FW_VI_MAC_CMD_IDX(idx));
memcpy(p->macaddr, addr, sizeof(p->macaddr));
- ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
+ if (is_pf4(adap))
+ ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
+ else
+ ret = t4vf_wr_mbox(adap, &c, sizeof(c), &c);
if (ret == 0) {
ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
if (ret >= max_mac_addr)
V_FW_VI_ENABLE_CMD_EEN(tx_en) |
V_FW_VI_ENABLE_CMD_DCB_INFO(dcb_en) |
FW_LEN16(c));
- return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL);
+ if (is_pf4(adap))
+ return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL);
+ else
+ return t4vf_wr_mbox_ns(adap, &c, sizeof(c), NULL);
}
/**
memset(&c, 0, sizeof(c));
c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
- F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
- V_FW_IQ_CMD_VFN(vf));
+ F_FW_CMD_EXEC);
c.alloc_to_len16 = cpu_to_be32(V_FW_IQ_CMD_IQSTART(start) |
V_FW_IQ_CMD_IQSTOP(!start) |
FW_LEN16(c));
c.iqid = cpu_to_be16(iqid);
c.fl0id = cpu_to_be16(fl0id);
c.fl1id = cpu_to_be16(fl1id);
- return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
+ if (is_pf4(adap)) {
+ c.op_to_vfn |= cpu_to_be32(V_FW_IQ_CMD_PFN(pf) |
+ V_FW_IQ_CMD_VFN(vf));
+ return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
+ } else {
+ return t4vf_wr_mbox(adap, &c, sizeof(c), NULL);
+ }
}
/**
memset(&c, 0, sizeof(c));
c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
- F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
- V_FW_IQ_CMD_VFN(vf));
+ F_FW_CMD_EXEC);
+ if (is_pf4(adap))
+ c.op_to_vfn |= cpu_to_be32(V_FW_IQ_CMD_PFN(pf) |
+ V_FW_IQ_CMD_VFN(vf));
c.alloc_to_len16 = cpu_to_be32(F_FW_IQ_CMD_FREE | FW_LEN16(c));
c.type_to_iqandstindex = cpu_to_be32(V_FW_IQ_CMD_TYPE(iqtype));
c.iqid = cpu_to_be16(iqid);
c.fl0id = cpu_to_be16(fl0id);
c.fl1id = cpu_to_be16(fl1id);
- return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
+ if (is_pf4(adap))
+ return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
+ else
+ return t4vf_wr_mbox(adap, &c, sizeof(c), NULL);
}
/**
memset(&c, 0, sizeof(c));
c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_ETH_CMD) |
- F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
- V_FW_EQ_ETH_CMD_PFN(pf) |
- V_FW_EQ_ETH_CMD_VFN(vf));
+ F_FW_CMD_REQUEST | F_FW_CMD_EXEC);
+ if (is_pf4(adap))
+ c.op_to_vfn |= cpu_to_be32(V_FW_IQ_CMD_PFN(pf) |
+ V_FW_IQ_CMD_VFN(vf));
c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_ETH_CMD_FREE | FW_LEN16(c));
c.eqid_pkd = cpu_to_be32(V_FW_EQ_ETH_CMD_EQID(eqid));
- return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
+ if (is_pf4(adap))
+ return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
+ else
+ return t4vf_wr_mbox(adap, &c, sizeof(c), NULL);
+}
+
+/**
+ * t4_link_down_rc_str - return a string for a Link Down Reason Code
+ * @link_down_rc: Link Down Reason Code
+ *
+ * Returns a string representation of the Link Down Reason Code.
+ */
+static const char *t4_link_down_rc_str(unsigned char link_down_rc)
+{
+ static const char * const reason[] = {
+ "Link Down",
+ "Remote Fault",
+ "Auto-negotiation Failure",
+ "Reserved",
+ "Insufficient Airflow",
+ "Unable To Determine Reason",
+ "No RX Signal Detected",
+ "Reserved",
+ };
+
+ if (link_down_rc >= ARRAY_SIZE(reason))
+ return "Bad Reason Code";
+
+ return reason[link_down_rc];
}
/* Return the highest speed set in the port capabilities, in Mb/s. */
return 0;
}
+/**
+ * t4_handle_get_port_info - process a FW reply message
+ * @pi: the port info
+ * @rpl: start of the FW message
+ *
+ * Processes a GET_PORT_INFO FW reply message.
+ */
+static void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl)
+{
+ const struct fw_port_cmd *cmd = (const void *)rpl;
+ int action = G_FW_PORT_CMD_ACTION(be32_to_cpu(cmd->action_to_len16));
+ fw_port_cap32_t pcaps, acaps, linkattr;
+ struct link_config *lc = &pi->link_cfg;
+ struct adapter *adapter = pi->adapter;
+ enum fw_port_module_type mod_type;
+ enum fw_port_type port_type;
+ unsigned int speed, fc, fec;
+ int link_ok, linkdnrc;
+
+ /* Extract the various fields from the Port Information message.
+ */
+ switch (action) {
+ case FW_PORT_ACTION_GET_PORT_INFO: {
+ u32 lstatus = be32_to_cpu(cmd->u.info.lstatus_to_modtype);
+
+ link_ok = (lstatus & F_FW_PORT_CMD_LSTATUS) != 0;
+ linkdnrc = G_FW_PORT_CMD_LINKDNRC(lstatus);
+ port_type = G_FW_PORT_CMD_PTYPE(lstatus);
+ mod_type = G_FW_PORT_CMD_MODTYPE(lstatus);
+ pcaps = fwcaps16_to_caps32(be16_to_cpu(cmd->u.info.pcap));
+ acaps = fwcaps16_to_caps32(be16_to_cpu(cmd->u.info.acap));
+
+ /* Unfortunately the format of the Link Status in the old
+ * 16-bit Port Information message isn't the same as the
+ * 16-bit Port Capabilities bitfield used everywhere else ...
+ */
+ linkattr = 0;
+ if (lstatus & F_FW_PORT_CMD_RXPAUSE)
+ linkattr |= FW_PORT_CAP32_FC_RX;
+ if (lstatus & F_FW_PORT_CMD_TXPAUSE)
+ linkattr |= FW_PORT_CAP32_FC_TX;
+ if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M))
+ linkattr |= FW_PORT_CAP32_SPEED_100M;
+ if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G))
+ linkattr |= FW_PORT_CAP32_SPEED_1G;
+ if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G))
+ linkattr |= FW_PORT_CAP32_SPEED_10G;
+ if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_25G))
+ linkattr |= FW_PORT_CAP32_SPEED_25G;
+ if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_40G))
+ linkattr |= FW_PORT_CAP32_SPEED_40G;
+ if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100G))
+ linkattr |= FW_PORT_CAP32_SPEED_100G;
+
+ break;
+ }
+
+ case FW_PORT_ACTION_GET_PORT_INFO32: {
+ u32 lstatus32 =
+ be32_to_cpu(cmd->u.info32.lstatus32_to_cbllen32);
+
+ link_ok = (lstatus32 & F_FW_PORT_CMD_LSTATUS32) != 0;
+ linkdnrc = G_FW_PORT_CMD_LINKDNRC32(lstatus32);
+ port_type = G_FW_PORT_CMD_PORTTYPE32(lstatus32);
+ mod_type = G_FW_PORT_CMD_MODTYPE32(lstatus32);
+ pcaps = be32_to_cpu(cmd->u.info32.pcaps32);
+ acaps = be32_to_cpu(cmd->u.info32.acaps32);
+ linkattr = be32_to_cpu(cmd->u.info32.linkattr32);
+ break;
+ }
+
+ default:
+ dev_warn(adapter, "Handle Port Information: Bad Command/Action %#x\n",
+ be32_to_cpu(cmd->action_to_len16));
+ return;
+ }
+
+ fec = fwcap_to_cc_fec(acaps);
+
+ fc = fwcap_to_cc_pause(linkattr);
+ speed = fwcap_to_speed(linkattr);
+
+ if (mod_type != pi->mod_type) {
+ lc->auto_fec = fec;
+ pi->port_type = port_type;
+ pi->mod_type = mod_type;
+ t4_os_portmod_changed(adapter, pi->pidx);
+ }
+ if (link_ok != lc->link_ok || speed != lc->speed ||
+ fc != lc->fc || fec != lc->fec) { /* something changed */
+ if (!link_ok && lc->link_ok) {
+ lc->link_down_rc = linkdnrc;
+ dev_warn(adap, "Port %d link down, reason: %s\n",
+ pi->tx_chan, t4_link_down_rc_str(linkdnrc));
+ }
+ lc->link_ok = link_ok;
+ lc->speed = speed;
+ lc->fc = fc;
+ lc->fec = fec;
+ lc->pcaps = pcaps;
+ lc->acaps = acaps & ADVERT_MASK;
+
+ if (lc->acaps & FW_PORT_CAP32_ANEG) {
+ lc->autoneg = AUTONEG_ENABLE;
+ } else {
+ /* When Autoneg is disabled, user needs to set
+ * single speed.
+ * Similar to cxgb4_ethtool.c: set_link_ksettings
+ */
+ lc->acaps = 0;
+ lc->requested_speed = fwcap_to_speed(acaps);
+ lc->autoneg = AUTONEG_DISABLE;
+ }
+ }
+}
+
+/**
+ * t4_ctrl_eq_free - free a control egress queue
+ * @adap: the adapter
+ * @mbox: mailbox to use for the FW command
+ * @pf: the PF owning the queue
+ * @vf: the VF owning the queue
+ * @eqid: egress queue id
+ *
+ * Frees a control egress queue.
+ */
+int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
+ unsigned int vf, unsigned int eqid)
+{
+ struct fw_eq_ctrl_cmd c;
+
+ memset(&c, 0, sizeof(c));
+ c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_CTRL_CMD) |
+ F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
+ V_FW_EQ_CTRL_CMD_PFN(pf) |
+ V_FW_EQ_CTRL_CMD_VFN(vf));
+ c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_CTRL_CMD_FREE | FW_LEN16(c));
+ c.cmpliqid_eqid = cpu_to_be32(V_FW_EQ_CTRL_CMD_EQID(eqid));
+ return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
+}
+
/**
* t4_handle_fw_rpl - process a FW reply message
* @adap: the adapter
unsigned int action =
G_FW_PORT_CMD_ACTION(be32_to_cpu(p->action_to_len16));
- if (opcode == FW_PORT_CMD && action == FW_PORT_ACTION_GET_PORT_INFO) {
+ if (opcode == FW_PORT_CMD &&
+ (action == FW_PORT_ACTION_GET_PORT_INFO ||
+ action == FW_PORT_ACTION_GET_PORT_INFO32)) {
/* link/module state change message */
- unsigned int speed = 0, fc = 0, i;
int chan = G_FW_PORT_CMD_PORTID(be32_to_cpu(p->op_to_portid));
struct port_info *pi = NULL;
- struct link_config *lc;
- u32 stat = be32_to_cpu(p->u.info.lstatus_to_modtype);
- int link_ok = (stat & F_FW_PORT_CMD_LSTATUS) != 0;
- u32 mod = G_FW_PORT_CMD_MODTYPE(stat);
- unsigned int fec;
-
- fc = fwcap_to_cc_pause(stat);
- fec = fwcap_to_cc_fec(stat);
-
- if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M))
- speed = ETH_SPEED_NUM_100M;
- else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G))
- speed = ETH_SPEED_NUM_1G;
- else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G))
- speed = ETH_SPEED_NUM_10G;
- else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_25G))
- speed = ETH_SPEED_NUM_25G;
- else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_40G))
- speed = ETH_SPEED_NUM_40G;
- else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100G))
- speed = ETH_SPEED_NUM_100G;
+ int i;
for_each_port(adap, i) {
pi = adap2pinfo(adap, i);
if (pi->tx_chan == chan)
break;
}
- lc = &pi->link_cfg;
- if (mod != pi->mod_type) {
- lc->auto_fec = fec;
- pi->mod_type = mod;
- t4_os_portmod_changed(adap, i);
- }
- if (link_ok != lc->link_ok || speed != lc->speed ||
- fc != lc->fc || fec != lc->fec) { /* something changed */
- if (!link_ok && lc->link_ok) {
- static const char * const reason[] = {
- "Link Down",
- "Remote Fault",
- "Auto-negotiation Failure",
- "Reserved",
- "Insufficient Airflow",
- "Unable To Determine Reason",
- "No RX Signal Detected",
- "Reserved",
- };
- unsigned int rc = G_FW_PORT_CMD_LINKDNRC(stat);
-
- dev_warn(adap, "Port %d link down, reason: %s\n",
- chan, reason[rc]);
- }
- lc->link_ok = link_ok;
- lc->speed = speed;
- lc->fc = fc;
- lc->fec = fec;
- lc->pcaps = be16_to_cpu(p->u.info.pcap);
- lc->acaps = be16_to_cpu(p->u.info.acap) & ADVERT_MASK;
- if (lc->acaps & FW_PORT_CAP32_ANEG) {
- lc->autoneg = AUTONEG_ENABLE;
- } else {
- /* When Autoneg is disabled, user needs to set
- * single speed.
- */
- lc->acaps = 0;
- lc->requested_speed =
- be16_to_cpu(p->u.info.acap);
- lc->requested_speed =
- fwcap_to_speed(lc->requested_speed);
- lc->autoneg = AUTONEG_DISABLE;
- }
- }
+ t4_handle_get_port_info(pi, rpl);
} else {
dev_warn(adap, "Unknown firmware reply %d\n", opcode);
return -EINVAL;
* 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, unsigned int pcaps,
- unsigned int 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;
int t4_get_flash_params(struct adapter *adapter)
{
/*
- * Table for non-Numonix supported flash parts. Numonix parts are left
- * to the preexisting well-tested code. All flash parts have 64KB
- * sectors.
+ * Table for non-standard supported Flash parts. Note, all Flash
+ * parts must have 64KB sectors.
*/
static struct flash_desc supported_flash[] = {
{ 0x00150201, 4 << 20 }, /* Spansion 4MB S25FL032P */
int ret;
u32 flashid = 0;
unsigned int part, manufacturer;
- unsigned int density, size;
+ unsigned int density, size = 0;
/**
* Issue a Read ID Command to the Flash part. We decode supported
if (ret < 0)
return ret;
+ /**
+ * Check to see if it's one of our non-standard supported Flash parts.
+ */
for (part = 0; part < ARRAY_SIZE(supported_flash); part++) {
if (supported_flash[part].vendor_and_model_id == flashid) {
adapter->params.sf_size =
}
}
+ /**
+ * Decode Flash part size. The code below looks repetative with
+ * common encodings, but that's not guaranteed in the JEDEC
+ * specification for the Read JADEC ID command. The only thing that
+ * we're guaranteed by the JADEC specification is where the
+ * Manufacturer ID is in the returned result. After that each
+ * Manufacturer ~could~ encode things completely differently.
+ * Note, all Flash parts must have 64KB sectors.
+ */
manufacturer = flashid & 0xff;
switch (manufacturer) {
case 0x20: { /* Micron/Numonix */
case 0x22:
size = 1 << 28; /* 256MB */
break;
- default:
- dev_err(adapter, "Micron Flash Part has bad size, ID = %#x, Density code = %#x\n",
- flashid, density);
- return -EINVAL;
}
+ break;
+ }
- adapter->params.sf_size = size;
- adapter->params.sf_nsec = size / SF_SEC_SIZE;
+ case 0x9d: { /* ISSI -- Integrated Silicon Solution, Inc. */
+ /**
+ * This Density -> Size decoding table is taken from ISSI
+ * Data Sheets.
+ */
+ density = (flashid >> 16) & 0xff;
+ switch (density) {
+ case 0x16:
+ size = 1 << 25; /* 32MB */
+ break;
+ case 0x17:
+ size = 1 << 26; /* 64MB */
+ break;
+ }
+ break;
+ }
+
+ case 0xc2: { /* Macronix */
+ /**
+ * This Density -> Size decoding table is taken from Macronix
+ * Data Sheets.
+ */
+ density = (flashid >> 16) & 0xff;
+ switch (density) {
+ case 0x17:
+ size = 1 << 23; /* 8MB */
+ break;
+ case 0x18:
+ size = 1 << 24; /* 16MB */
+ break;
+ }
+ break;
+ }
+
+ case 0xef: { /* Winbond */
+ /**
+ * This Density -> Size decoding table is taken from Winbond
+ * Data Sheets.
+ */
+ density = (flashid >> 16) & 0xff;
+ switch (density) {
+ case 0x17:
+ size = 1 << 23; /* 8MB */
+ break;
+ case 0x18:
+ size = 1 << 24; /* 16MB */
+ break;
+ }
break;
}
- default:
- dev_err(adapter, "Unsupported Flash Part, ID = %#x\n", flashid);
- return -EINVAL;
}
+ /* If we didn't recognize the FLASH part, that's no real issue: the
+ * Hardware/Software contract says that Hardware will _*ALWAYS*_
+ * use a FLASH part which is at least 4MB in size and has 64KB
+ * sectors. The unrecognized FLASH part is likely to be much larger
+ * than 4MB, but that's all we really need.
+ */
+ if (size == 0) {
+ dev_warn(adapter,
+ "Unknown Flash Part, ID = %#x, assuming 4MB\n",
+ flashid);
+ size = 1 << 22;
+ }
+
+ /**
+ * Store decoded Flash size and fall through into vetting code.
+ */
+ adapter->params.sf_size = size;
+ adapter->params.sf_nsec = size / SF_SEC_SIZE;
+
found:
/*
* We should reject adapters with FLASHes which are too small. So, emit
adap->params.tp.port_shift = t4_filter_field_shift(adap, F_PORT);
adap->params.tp.protocol_shift = t4_filter_field_shift(adap,
F_PROTOCOL);
+ adap->params.tp.ethertype_shift = t4_filter_field_shift(adap,
+ F_ETHERTYPE);
+ adap->params.tp.macmatch_shift = t4_filter_field_shift(adap,
+ F_MACMATCH);
+ adap->params.tp.tos_shift = t4_filter_field_shift(adap, F_TOS);
- /*
- * If TP_INGRESS_CONFIG.VNID == 0, then TP_VLAN_PRI_MAP.VNIC_ID
- * represents the presense of an Outer VLAN instead of a VNIC ID.
- */
- if ((adap->params.tp.ingress_config & F_VNIC) == 0)
- adap->params.tp.vnic_shift = -1;
+ v = t4_read_reg(adap, LE_3_DB_HASH_MASK_GEN_IPV4_T6_A);
+ adap->params.tp.hash_filter_mask = v;
+ v = t4_read_reg(adap, LE_4_DB_HASH_MASK_GEN_IPV4_T6_A);
+ adap->params.tp.hash_filter_mask |= ((u64)v << 32);
return 0;
}
int t4_port_init(struct adapter *adap, int mbox, int pf, int vf)
{
- u8 addr[6];
+ unsigned int fw_caps = adap->params.fw_caps_support;
+ fw_port_cap32_t pcaps, acaps;
+ enum fw_port_type port_type;
+ struct fw_port_cmd cmd;
int ret, i, j = 0;
- struct fw_port_cmd c;
+ int mdio_addr;
+ u32 action;
+ u8 addr[6];
- memset(&c, 0, sizeof(c));
+ memset(&cmd, 0, sizeof(cmd));
for_each_port(adap, i) {
+ struct port_info *pi = adap2pinfo(adap, i);
unsigned int rss_size = 0;
- struct port_info *p = adap2pinfo(adap, i);
while ((adap->params.portvec & (1 << j)) == 0)
j++;
- c.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(j));
- c.action_to_len16 = cpu_to_be32(V_FW_PORT_CMD_ACTION(
- FW_PORT_ACTION_GET_PORT_INFO) |
- FW_LEN16(c));
- ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
+ /* If we haven't yet determined whether we're talking to
+ * Firmware which knows the new 32-bit Port Capabilities, 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, caps;
+
+ caps = FW_PARAMS_PARAM_PFVF_PORT_CAPS32;
+ param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) |
+ V_FW_PARAMS_PARAM_X(caps));
+ val = 1;
+ ret = t4_set_params(adap, mbox, pf, vf, 1, ¶m,
+ &val);
+ fw_caps = ret == 0 ? FW_CAPS32 : FW_CAPS16;
+ adap->params.fw_caps_support = fw_caps;
+ }
+
+ memset(&cmd, 0, sizeof(cmd));
+ 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(j));
+ action = fw_caps == FW_CAPS16 ? FW_PORT_ACTION_GET_PORT_INFO :
+ FW_PORT_ACTION_GET_PORT_INFO32;
+ cmd.action_to_len16 = cpu_to_be32(V_FW_PORT_CMD_ACTION(action) |
+ FW_LEN16(cmd));
+ ret = t4_wr_mbox(pi->adapter, mbox, &cmd, sizeof(cmd), &cmd);
if (ret)
return ret;
+ /* Extract the various fields from the Port Information message.
+ */
+ if (fw_caps == FW_CAPS16) {
+ u32 lstatus =
+ be32_to_cpu(cmd.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 = be16_to_cpu(cmd.u.info.pcap);
+ acaps = be16_to_cpu(cmd.u.info.acap);
+ pcaps = fwcaps16_to_caps32(pcaps);
+ acaps = fwcaps16_to_caps32(acaps);
+ } else {
+ u32 lstatus32 =
+ be32_to_cpu(cmd.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(cmd.u.info32.pcaps32);
+ acaps = be32_to_cpu(cmd.u.info32.acaps32);
+ }
+
ret = t4_alloc_vi(adap, mbox, j, pf, vf, 1, addr, &rss_size);
if (ret < 0)
return ret;
- p->viid = ret;
- p->tx_chan = j;
- p->rss_size = rss_size;
+ pi->viid = ret;
+ pi->tx_chan = j;
+ pi->rss_size = rss_size;
t4_os_set_hw_addr(adap, i, addr);
- ret = be32_to_cpu(c.u.info.lstatus_to_modtype);
- p->mdio_addr = (ret & F_FW_PORT_CMD_MDIOCAP) ?
- G_FW_PORT_CMD_MDIOADDR(ret) : -1;
- p->port_type = G_FW_PORT_CMD_PTYPE(ret);
- p->mod_type = FW_PORT_MOD_TYPE_NA;
+ pi->port_type = port_type;
+ pi->mdio_addr = mdio_addr;
+ pi->mod_type = FW_PORT_MOD_TYPE_NA;
- init_link_config(&p->link_cfg, be16_to_cpu(c.u.info.pcap),
- be16_to_cpu(c.u.info.acap));
+ init_link_config(&pi->link_cfg, pcaps, acaps);
j++;
}
return 0;
}
+
+/**
+ * t4_memory_rw_addr - read/write adapter memory via PCIE memory window
+ * @adap: the adapter
+ * @win: PCI-E Memory Window to use
+ * @addr: address within adapter memory
+ * @len: amount of memory to transfer
+ * @hbuf: host memory buffer
+ * @dir: direction of transfer T4_MEMORY_READ (1) or T4_MEMORY_WRITE (0)
+ *
+ * Reads/writes an [almost] arbitrary memory region in the firmware: the
+ * firmware memory address and host buffer must be aligned on 32-bit
+ * boudaries; the length may be arbitrary.
+ *
+ * NOTES:
+ * 1. The memory is transferred as a raw byte sequence from/to the
+ * firmware's memory. If this memory contains data structures which
+ * contain multi-byte integers, it's the caller's responsibility to
+ * perform appropriate byte order conversions.
+ *
+ * 2. It is the Caller's responsibility to ensure that no other code
+ * uses the specified PCI-E Memory Window while this routine is
+ * using it. This is typically done via the use of OS-specific
+ * locks, etc.
+ */
+int t4_memory_rw_addr(struct adapter *adap, int win, u32 addr,
+ u32 len, void *hbuf, int dir)
+{
+ u32 pos, offset, resid;
+ u32 win_pf, mem_reg, mem_aperture, mem_base;
+ u32 *buf;
+
+ /* Argument sanity checks ...*/
+ if (addr & 0x3 || (uintptr_t)hbuf & 0x3)
+ return -EINVAL;
+ buf = (u32 *)hbuf;
+
+ /* It's convenient to be able to handle lengths which aren't a
+ * multiple of 32-bits because we often end up transferring files to
+ * the firmware. So we'll handle that by normalizing the length here
+ * and then handling any residual transfer at the end.
+ */
+ resid = len & 0x3;
+ len -= resid;
+
+ /* Each PCI-E Memory Window is programmed with a window size -- or
+ * "aperture" -- which controls the granularity of its mapping onto
+ * adapter memory. We need to grab that aperture in order to know
+ * how to use the specified window. The window is also programmed
+ * with the base address of the Memory Window in BAR0's address
+ * space. For T4 this is an absolute PCI-E Bus Address. For T5
+ * the address is relative to BAR0.
+ */
+ mem_reg = t4_read_reg(adap,
+ PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN,
+ win));
+ mem_aperture = 1 << (G_WINDOW(mem_reg) + X_WINDOW_SHIFT);
+ mem_base = G_PCIEOFST(mem_reg) << X_PCIEOFST_SHIFT;
+
+ win_pf = is_t4(adap->params.chip) ? 0 : V_PFNUM(adap->pf);
+
+ /* Calculate our initial PCI-E Memory Window Position and Offset into
+ * that Window.
+ */
+ pos = addr & ~(mem_aperture - 1);
+ offset = addr - pos;
+
+ /* Set up initial PCI-E Memory Window to cover the start of our
+ * transfer. (Read it back to ensure that changes propagate before we
+ * attempt to use the new value.)
+ */
+ t4_write_reg(adap,
+ PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, win),
+ pos | win_pf);
+ t4_read_reg(adap,
+ PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, win));
+
+ /* Transfer data to/from the adapter as long as there's an integral
+ * number of 32-bit transfers to complete.
+ *
+ * A note on Endianness issues:
+ *
+ * The "register" reads and writes below from/to the PCI-E Memory
+ * Window invoke the standard adapter Big-Endian to PCI-E Link
+ * Little-Endian "swizzel." As a result, if we have the following
+ * data in adapter memory:
+ *
+ * Memory: ... | b0 | b1 | b2 | b3 | ...
+ * Address: i+0 i+1 i+2 i+3
+ *
+ * Then a read of the adapter memory via the PCI-E Memory Window
+ * will yield:
+ *
+ * x = readl(i)
+ * 31 0
+ * [ b3 | b2 | b1 | b0 ]
+ *
+ * If this value is stored into local memory on a Little-Endian system
+ * it will show up correctly in local memory as:
+ *
+ * ( ..., b0, b1, b2, b3, ... )
+ *
+ * But on a Big-Endian system, the store will show up in memory
+ * incorrectly swizzled as:
+ *
+ * ( ..., b3, b2, b1, b0, ... )
+ *
+ * So we need to account for this in the reads and writes to the
+ * PCI-E Memory Window below by undoing the register read/write
+ * swizzels.
+ */
+ while (len > 0) {
+ if (dir == T4_MEMORY_READ)
+ *buf++ = le32_to_cpu((__le32)t4_read_reg(adap,
+ mem_base +
+ offset));
+ else
+ t4_write_reg(adap, mem_base + offset,
+ (u32)cpu_to_le32(*buf++));
+ offset += sizeof(__be32);
+ len -= sizeof(__be32);
+
+ /* If we've reached the end of our current window aperture,
+ * move the PCI-E Memory Window on to the next. Note that
+ * doing this here after "len" may be 0 allows us to set up
+ * the PCI-E Memory Window for a possible final residual
+ * transfer below ...
+ */
+ if (offset == mem_aperture) {
+ pos += mem_aperture;
+ offset = 0;
+ t4_write_reg(adap,
+ PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET,
+ win), pos | win_pf);
+ t4_read_reg(adap,
+ PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET,
+ win));
+ }
+ }
+
+ /* If the original transfer had a length which wasn't a multiple of
+ * 32-bits, now's where we need to finish off the transfer of the
+ * residual amount. The PCI-E Memory Window has already been moved
+ * above (if necessary) to cover this final transfer.
+ */
+ if (resid) {
+ union {
+ u32 word;
+ char byte[4];
+ } last;
+ unsigned char *bp;
+ int i;
+
+ if (dir == T4_MEMORY_READ) {
+ last.word = le32_to_cpu((__le32)t4_read_reg(adap,
+ mem_base +
+ offset));
+ for (bp = (unsigned char *)buf, i = resid; i < 4; i++)
+ bp[i] = last.byte[i];
+ } else {
+ last.word = *buf;
+ for (i = resid; i < 4; i++)
+ last.byte[i] = 0;
+ t4_write_reg(adap, mem_base + offset,
+ (u32)cpu_to_le32(last.word));
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * t4_memory_rw_mtype -read/write EDC 0, EDC 1 or MC via PCIE memory window
+ * @adap: the adapter
+ * @win: PCI-E Memory Window to use
+ * @mtype: memory type: MEM_EDC0, MEM_EDC1 or MEM_MC
+ * @maddr: address within indicated memory type
+ * @len: amount of memory to transfer
+ * @hbuf: host memory buffer
+ * @dir: direction of transfer T4_MEMORY_READ (1) or T4_MEMORY_WRITE (0)
+ *
+ * Reads/writes adapter memory using t4_memory_rw_addr(). This routine
+ * provides an (memory type, address within memory type) interface.
+ */
+int t4_memory_rw_mtype(struct adapter *adap, int win, int mtype, u32 maddr,
+ u32 len, void *hbuf, int dir)
+{
+ u32 mtype_offset;
+ u32 edc_size, mc_size;
+
+ /* Offset into the region of memory which is being accessed
+ * MEM_EDC0 = 0
+ * MEM_EDC1 = 1
+ * MEM_MC = 2 -- MEM_MC for chips with only 1 memory controller
+ * MEM_MC1 = 3 -- for chips with 2 memory controllers (e.g. T5)
+ */
+ edc_size = G_EDRAM0_SIZE(t4_read_reg(adap, A_MA_EDRAM0_BAR));
+ if (mtype != MEM_MC1) {
+ mtype_offset = (mtype * (edc_size * 1024 * 1024));
+ } else {
+ mc_size = G_EXT_MEM0_SIZE(t4_read_reg(adap,
+ A_MA_EXT_MEMORY0_BAR));
+ mtype_offset = (MEM_MC0 * edc_size + mc_size) * 1024 * 1024;
+ }
+
+ return t4_memory_rw_addr(adap, win,
+ mtype_offset + maddr, len,
+ hbuf, dir);
+}