The branch stable/13 has been updated by kbowling (ports committer):

URL: 
https://cgit.FreeBSD.org/src/commit/?id=73922769f0c2f70da78f680eed6b3c91911235da

commit 73922769f0c2f70da78f680eed6b3c91911235da
Author:     Kevin Bowling <[email protected]>
AuthorDate: 2021-10-06 23:25:03 +0000
Commit:     Kevin Bowling <[email protected]>
CommitDate: 2021-10-13 02:11:18 +0000

    e1000: print EEPROM/NVM/OROM versions
    
    This is useful for diagnosing problems. In particular, the errata
    sheets identify the EEPROM version for many fixes.
    
    Reviewed by:    gallatin
    MFC after:      1 week
    Differential Revision:  https://reviews.freebsd.org/D32333
    
    (cherry picked from commit 293663f4da9e8b8aeb106ce3b73a8ed2aa2a8a90)
---
 sys/dev/e1000/if_em.c | 185 ++++++++++++++++++++++++++++++++++++++++++--------
 sys/dev/e1000/if_em.h |   3 +
 2 files changed, 158 insertions(+), 30 deletions(-)

diff --git a/sys/dev/e1000/if_em.c b/sys/dev/e1000/if_em.c
index 52eff393e848..b3775b351c70 100644
--- a/sys/dev/e1000/if_em.c
+++ b/sys/dev/e1000/if_em.c
@@ -305,6 +305,10 @@ static void        em_if_vlan_filter_write(struct 
e1000_softc *);
 static void    em_setup_vlan_hw_support(struct e1000_softc *);
 static int     em_sysctl_nvm_info(SYSCTL_HANDLER_ARGS);
 static void    em_print_nvm_info(struct e1000_softc *);
+static void    em_fw_version_locked(if_ctx_t);
+static void    em_sbuf_fw_version(struct e1000_fw_version *, struct sbuf *);
+static void    em_print_fw_version(struct e1000_softc *);
+static int     em_sysctl_print_fw_version(SYSCTL_HANDLER_ARGS);
 static int     em_sysctl_debug_info(SYSCTL_HANDLER_ARGS);
 static int     em_get_rs(SYSCTL_HANDLER_ARGS);
 static void    em_print_debug_info(struct e1000_softc *);
@@ -792,6 +796,8 @@ em_if_attach_pre(if_ctx_t ctx)
        if_softc_ctx_t scctx;
        device_t dev;
        struct e1000_hw *hw;
+       struct sysctl_oid_list *child;
+       struct sysctl_ctx_list *ctx_list;
        int error = 0;
 
        INIT_DEBUGOUT("em_if_attach_pre: begin");
@@ -806,37 +812,38 @@ em_if_attach_pre(if_ctx_t ctx)
 
        sc->tx_process_limit = scctx->isc_ntxd[0];
 
+       /* Determine hardware and mac info */
+       em_identify_hardware(ctx);
+
        /* SYSCTL stuff */
-       SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
-           SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-           OID_AUTO, "nvm", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
-           sc, 0, em_sysctl_nvm_info, "I", "NVM Information");
-
-       SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
-           SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-           OID_AUTO, "debug", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
-           sc, 0, em_sysctl_debug_info, "I", "Debug Information");
-
-       SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
-           SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-           OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
-           sc, 0, em_set_flowcntl, "I", "Flow Control");
-
-       SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
-           SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-           OID_AUTO, "reg_dump",
+       ctx_list = device_get_sysctl_ctx(dev);
+       child = SYSCTL_CHILDREN(device_get_sysctl_tree(dev));
+
+       SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "nvm",
+           CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
+           em_sysctl_nvm_info, "I", "NVM Information");
+
+       SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "fw_version",
+           CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, sc, 0,
+           em_sysctl_print_fw_version, "A",
+           "Prints FW/NVM Versions");
+
+       SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "debug",
+           CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
+           em_sysctl_debug_info, "I", "Debug Information");
+
+       SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "fc",
+           CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
+           em_set_flowcntl, "I", "Flow Control");
+
+       SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "reg_dump",
            CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, sc, 0,
            em_get_regs, "A", "Dump Registers");
 
-       SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
-           SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-           OID_AUTO, "rs_dump",
+       SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "rs_dump",
            CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
            em_get_rs, "I", "Dump RS indexes");
 
-       /* Determine hardware and mac info */
-       em_identify_hardware(ctx);
-
        scctx->isc_tx_nsegments = EM_MAX_SCATTER;
        scctx->isc_nrxqsets_max = scctx->isc_ntxqsets_max = 
em_set_num_queues(ctx);
        if (bootverbose)
@@ -1045,12 +1052,9 @@ em_if_attach_pre(if_ctx_t ctx)
 
        /* Sysctl for setting Energy Efficient Ethernet */
        hw->dev_spec.ich8lan.eee_disable = eee_setting;
-       SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
-           SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
-           OID_AUTO, "eee_control",
-           CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
-           sc, 0, em_sysctl_eee, "I",
-           "Disable Energy Efficient Ethernet");
+       SYSCTL_ADD_PROC(ctx_list, child, OID_AUTO, "eee_control",
+           CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
+           em_sysctl_eee, "I", "Disable Energy Efficient Ethernet");
 
        /*
        ** Start from a known state, this is
@@ -1093,6 +1097,11 @@ em_if_attach_pre(if_ctx_t ctx)
                }
        }
 
+       /* Save the EEPROM/NVM versions, must be done under IFLIB_CTX_LOCK */
+       em_fw_version_locked(ctx);
+
+       em_print_fw_version(sc);
+
        /* Disable ULP support */
        e1000_disable_ulp_lpt_lp(hw, true);
 
@@ -4476,6 +4485,122 @@ em_add_hw_stats(struct e1000_softc *sc)
                        "Interrupt Cause Receiver Overrun Count");
 }
 
+static void
+em_fw_version_locked(if_ctx_t ctx)
+{
+       struct e1000_softc *sc = iflib_get_softc(ctx);
+       struct e1000_hw *hw = &sc->hw;
+       struct e1000_fw_version *fw_ver = &sc->fw_ver;
+       uint16_t eep = 0;
+
+       /*
+        * em_fw_version_locked() must run under the IFLIB_CTX_LOCK to meet the
+        * NVM locking model, so we do it in em_if_attach_pre() and store the
+        * info in the softc
+        */
+       ASSERT_CTX_LOCK_HELD(hw);
+
+       *fw_ver = (struct e1000_fw_version){0};
+
+       if (hw->mac.type >= igb_mac_min) {
+               /*
+                * Use the Shared Code for igb(4)
+                */
+               e1000_get_fw_version(hw, fw_ver);
+       } else {
+               /*
+                * Otherwise, EEPROM version should be present on (almost?) all
+                * devices here
+                */
+               if(e1000_read_nvm(hw, NVM_VERSION, 1, &eep)) {
+                       INIT_DEBUGOUT("can't get EEPROM version");
+                       return;
+               }
+
+               fw_ver->eep_major = (eep & NVM_MAJOR_MASK) >> NVM_MAJOR_SHIFT;
+               fw_ver->eep_minor = (eep & NVM_MINOR_MASK) >> NVM_MINOR_SHIFT;
+               fw_ver->eep_build = (eep & NVM_IMAGE_ID_MASK);
+       }
+}
+
+static void
+em_sbuf_fw_version(struct e1000_fw_version *fw_ver, struct sbuf *buf)
+{
+       const char *space = "";
+
+       if (fw_ver->eep_major || fw_ver->eep_minor || fw_ver->eep_build) {
+               sbuf_printf(buf, "EEPROM V%d.%d-%d", fw_ver->eep_major,
+                           fw_ver->eep_minor, fw_ver->eep_build);
+               space = " ";
+       }
+
+       if (fw_ver->invm_major || fw_ver->invm_minor || fw_ver->invm_img_type) {
+               sbuf_printf(buf, "%sNVM V%d.%d imgtype%d",
+                           space, fw_ver->invm_major, fw_ver->invm_minor,
+                           fw_ver->invm_img_type);
+               space = " ";
+       }
+
+       if (fw_ver->or_valid) {
+               sbuf_printf(buf, "%sOption ROM V%d-b%d-p%d",
+                           space, fw_ver->or_major, fw_ver->or_build,
+                           fw_ver->or_patch);
+               space = " ";
+       }
+
+       if (fw_ver->etrack_id)
+               sbuf_printf(buf, "%seTrack 0x%08x", space, fw_ver->etrack_id);
+}
+
+static void
+em_print_fw_version(struct e1000_softc *sc )
+{
+       device_t dev = sc->dev;
+       struct sbuf *buf;
+       int error = 0;
+
+       buf = sbuf_new_auto();
+       if (!buf) {
+               device_printf(dev, "Could not allocate sbuf for output.\n");
+               return;
+       }
+
+       em_sbuf_fw_version(&sc->fw_ver, buf);
+
+       error = sbuf_finish(buf);
+       if (error)
+               device_printf(dev, "Error finishing sbuf: %d\n", error);
+       else if (sbuf_len(buf))
+               device_printf(dev, "%s\n", sbuf_data(buf));
+
+       sbuf_delete(buf);
+}
+
+static int
+em_sysctl_print_fw_version(SYSCTL_HANDLER_ARGS)
+{
+       struct e1000_softc *sc = (struct e1000_softc *)arg1;
+       device_t dev = sc->dev;
+       struct sbuf *buf;
+       int error = 0;
+
+       buf = sbuf_new_for_sysctl(NULL, NULL, 128, req);
+       if (!buf) {
+               device_printf(dev, "Could not allocate sbuf for output.\n");
+               return (ENOMEM);
+       }
+
+       em_sbuf_fw_version(&sc->fw_ver, buf);
+
+       error = sbuf_finish(buf);
+       if (error)
+               device_printf(dev, "Error finishing sbuf: %d\n", error);
+
+       sbuf_delete(buf);
+
+       return (0);
+}
+
 /**********************************************************************
  *
  *  This routine provides a way to dump out the adapter eeprom,
diff --git a/sys/dev/e1000/if_em.h b/sys/dev/e1000/if_em.h
index 41deecb69bf3..33ba22a88552 100644
--- a/sys/dev/e1000/if_em.h
+++ b/sys/dev/e1000/if_em.h
@@ -510,6 +510,9 @@ struct e1000_softc {
 
        u64                     que_mask;
 
+       /* We need to store this at attach due to e1000 hw/sw locking model */
+       struct e1000_fw_version fw_ver;
+
        struct em_int_delay_info tx_int_delay;
        struct em_int_delay_info tx_abs_int_delay;
        struct em_int_delay_info rx_int_delay;

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