IB/pma: Add include file for IBA performance counters definitions

Move the various definitions and mad structures needed for software
implementation of IBA PM agent from the ipath and qib drivers into a
single include file, which in turn could be used by more consumers.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 33 insertions, 165 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c
index ceb98ee78666..43f2d0424d4f 100644
--- a/drivers/infiniband/hw/ipath/ipath_mad.c
+++ b/drivers/infiniband/hw/ipath/ipath_mad.c
@@ -32,6 +32,7 @@
  */
 
 #include <rdma/ib_smi.h>
+#include <rdma/ib_pma.h>
 
 #include "ipath_kernel.h"
 #include "ipath_verbs.h"
@@ -789,151 +790,18 @@ static int recv_subn_set_pkeytable(struct ib_smp *smp,
         return recv_subn_get_pkeytable(smp, ibdev);
 }
 
-#define IB_PMA_CLASS_PORT_INFO          cpu_to_be16(0x0001)
-#define IB_PMA_PORT_SAMPLES_CONTROL     cpu_to_be16(0x0010)
-#define IB_PMA_PORT_SAMPLES_RESULT      cpu_to_be16(0x0011)
-#define IB_PMA_PORT_COUNTERS            cpu_to_be16(0x0012)
-#define IB_PMA_PORT_COUNTERS_EXT        cpu_to_be16(0x001D)
-#define IB_PMA_PORT_SAMPLES_RESULT_EXT  cpu_to_be16(0x001E)
-
-struct ib_perf {
-        u8 base_version;
-        u8 mgmt_class;
-        u8 class_version;
-        u8 method;
-        __be16 status;
-        __be16 unused;
-        __be64 tid;
-        __be16 attr_id;
-        __be16 resv;
-        __be32 attr_mod;
-        u8 reserved[40];
-        u8 data[192];
-} __attribute__ ((packed));
-
-struct ib_pma_classportinfo {
-        u8 base_version;
-        u8 class_version;
-        __be16 cap_mask;
-        u8 reserved[3];
-        u8 resp_time_value;     /* only lower 5 bits */
-        union ib_gid redirect_gid;
-        __be32 redirect_tc_sl_fl;       /* 8, 4, 20 bits respectively */
-        __be16 redirect_lid;
-        __be16 redirect_pkey;
-        __be32 redirect_qp;     /* only lower 24 bits */
-        __be32 redirect_qkey;
-        union ib_gid trap_gid;
-        __be32 trap_tc_sl_fl;   /* 8, 4, 20 bits respectively */
-        __be16 trap_lid;
-        __be16 trap_pkey;
-        __be32 trap_hl_qp;      /* 8, 24 bits respectively */
-        __be32 trap_qkey;
-} __attribute__ ((packed));
-
-struct ib_pma_portsamplescontrol {
-        u8 opcode;
-        u8 port_select;
-        u8 tick;
-        u8 counter_width;       /* only lower 3 bits */
-        __be32 counter_mask0_9; /* 2, 10 * 3, bits */
-        __be16 counter_mask10_14;       /* 1, 5 * 3, bits */
-        u8 sample_mechanisms;
-        u8 sample_status;       /* only lower 2 bits */
-        __be64 option_mask;
-        __be64 vendor_mask;
-        __be32 sample_start;
-        __be32 sample_interval;
-        __be16 tag;
-        __be16 counter_select[15];
-} __attribute__ ((packed));
-
-struct ib_pma_portsamplesresult {
-        __be16 tag;
-        __be16 sample_status;   /* only lower 2 bits */
-        __be32 counter[15];
-} __attribute__ ((packed));
-
-struct ib_pma_portsamplesresult_ext {
-        __be16 tag;
-        __be16 sample_status;   /* only lower 2 bits */
-        __be32 extended_width;  /* only upper 2 bits */
-        __be64 counter[15];
-} __attribute__ ((packed));
-
-struct ib_pma_portcounters {
-        u8 reserved;
-        u8 port_select;
-        __be16 counter_select;
-        __be16 symbol_error_counter;
-        u8 link_error_recovery_counter;
-        u8 link_downed_counter;
-        __be16 port_rcv_errors;
-        __be16 port_rcv_remphys_errors;
-        __be16 port_rcv_switch_relay_errors;
-        __be16 port_xmit_discards;
-        u8 port_xmit_constraint_errors;
-        u8 port_rcv_constraint_errors;
-        u8 reserved1;
-        u8 lli_ebor_errors;     /* 4, 4, bits */
-        __be16 reserved2;
-        __be16 vl15_dropped;
-        __be32 port_xmit_data;
-        __be32 port_rcv_data;
-        __be32 port_xmit_packets;
-        __be32 port_rcv_packets;
-} __attribute__ ((packed));
-
-#define IB_PMA_SEL_SYMBOL_ERROR                 cpu_to_be16(0x0001)
-#define IB_PMA_SEL_LINK_ERROR_RECOVERY          cpu_to_be16(0x0002)
-#define IB_PMA_SEL_LINK_DOWNED                  cpu_to_be16(0x0004)
-#define IB_PMA_SEL_PORT_RCV_ERRORS              cpu_to_be16(0x0008)
-#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS      cpu_to_be16(0x0010)
-#define IB_PMA_SEL_PORT_XMIT_DISCARDS           cpu_to_be16(0x0040)
-#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS  cpu_to_be16(0x0200)
-#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS    cpu_to_be16(0x0400)
-#define IB_PMA_SEL_PORT_VL15_DROPPED            cpu_to_be16(0x0800)
-#define IB_PMA_SEL_PORT_XMIT_DATA               cpu_to_be16(0x1000)
-#define IB_PMA_SEL_PORT_RCV_DATA                cpu_to_be16(0x2000)
-#define IB_PMA_SEL_PORT_XMIT_PACKETS            cpu_to_be16(0x4000)
-#define IB_PMA_SEL_PORT_RCV_PACKETS             cpu_to_be16(0x8000)
-
-struct ib_pma_portcounters_ext {
-        u8 reserved;
-        u8 port_select;
-        __be16 counter_select;
-        __be32 reserved1;
-        __be64 port_xmit_data;
-        __be64 port_rcv_data;
-        __be64 port_xmit_packets;
-        __be64 port_rcv_packets;
-        __be64 port_unicast_xmit_packets;
-        __be64 port_unicast_rcv_packets;
-        __be64 port_multicast_xmit_packets;
-        __be64 port_multicast_rcv_packets;
-} __attribute__ ((packed));
-
-#define IB_PMA_SELX_PORT_XMIT_DATA              cpu_to_be16(0x0001)
-#define IB_PMA_SELX_PORT_RCV_DATA               cpu_to_be16(0x0002)
-#define IB_PMA_SELX_PORT_XMIT_PACKETS           cpu_to_be16(0x0004)
-#define IB_PMA_SELX_PORT_RCV_PACKETS            cpu_to_be16(0x0008)
-#define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS       cpu_to_be16(0x0010)
-#define IB_PMA_SELX_PORT_UNI_RCV_PACKETS        cpu_to_be16(0x0020)
-#define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS     cpu_to_be16(0x0040)
-#define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS      cpu_to_be16(0x0080)
-
-static int recv_pma_get_classportinfo(struct ib_perf *pmp)
+static int recv_pma_get_classportinfo(struct ib_pma_mad *pmp)
 {
-        struct ib_pma_classportinfo *p =
-                (struct ib_pma_classportinfo *)pmp->data;
+        struct ib_class_port_info *p =
+                (struct ib_class_port_info *)pmp->data;
 
         memset(pmp->data, 0, sizeof(pmp->data));
 
-        if (pmp->attr_mod != 0)
-                pmp->status |= IB_SMP_INVALID_FIELD;
+        if (pmp->mad_hdr.attr_mod != 0)
+                pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
 
         /* Indicate AllPortSelect is valid (only one port anyway) */
-        p->cap_mask = cpu_to_be16(1 << 8);
+        p->capability_mask = cpu_to_be16(1 << 8);
         p->base_version = 1;
         p->class_version = 1;
         /*
@@ -957,7 +825,7 @@ static int recv_pma_get_classportinfo(struct ib_perf *pmp)
                                     COUNTER_MASK(1, 3) | \
                                     COUNTER_MASK(1, 4))
 
-static int recv_pma_get_portsamplescontrol(struct ib_perf *pmp,
+static int recv_pma_get_portsamplescontrol(struct ib_pma_mad *pmp,
                                            struct ib_device *ibdev, u8 port)
 {
         struct ib_pma_portsamplescontrol *p =
@@ -970,9 +838,9 @@ static int recv_pma_get_portsamplescontrol(struct ib_perf *pmp,
         memset(pmp->data, 0, sizeof(pmp->data));
 
         p->port_select = port_select;
-        if (pmp->attr_mod != 0 ||
+        if (pmp->mad_hdr.attr_mod != 0 ||
             (port_select != port && port_select != 0xFF))
-                pmp->status |= IB_SMP_INVALID_FIELD;
+                pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
         /*
          * Ticks are 10x the link transfer period which for 2.5Gbs is 4
          * nsec.  0 == 4 nsec., 1 == 8 nsec., ..., 255 == 1020 nsec.  Sample
@@ -1006,7 +874,7 @@ static int recv_pma_get_portsamplescontrol(struct ib_perf *pmp,
         return reply((struct ib_smp *) pmp);
 }
 
-static int recv_pma_set_portsamplescontrol(struct ib_perf *pmp,
+static int recv_pma_set_portsamplescontrol(struct ib_pma_mad *pmp,
                                            struct ib_device *ibdev, u8 port)
 {
         struct ib_pma_portsamplescontrol *p =
@@ -1017,9 +885,9 @@ static int recv_pma_set_portsamplescontrol(struct ib_perf *pmp,
         u8 status;
         int ret;
 
-        if (pmp->attr_mod != 0 ||
+        if (pmp->mad_hdr.attr_mod != 0 ||
             (p->port_select != port && p->port_select != 0xFF)) {
-                pmp->status |= IB_SMP_INVALID_FIELD;
+                pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
                 ret = reply((struct ib_smp *) pmp);
                 goto bail;
         }
@@ -1093,7 +961,7 @@ static u64 get_counter(struct ipath_ibdev *dev,
         return ret;
 }
 
-static int recv_pma_get_portsamplesresult(struct ib_perf *pmp,
+static int recv_pma_get_portsamplesresult(struct ib_pma_mad *pmp,
                                           struct ib_device *ibdev)
 {
         struct ib_pma_portsamplesresult *p =
@@ -1118,7 +986,7 @@ static int recv_pma_get_portsamplesresult(struct ib_perf *pmp,
         return reply((struct ib_smp *) pmp);
 }
 
-static int recv_pma_get_portsamplesresult_ext(struct ib_perf *pmp,
+static int recv_pma_get_portsamplesresult_ext(struct ib_pma_mad *pmp,
                                               struct ib_device *ibdev)
 {
         struct ib_pma_portsamplesresult_ext *p =
@@ -1145,7 +1013,7 @@ static int recv_pma_get_portsamplesresult_ext(struct ib_perf *pmp,
         return reply((struct ib_smp *) pmp);
 }
 
-static int recv_pma_get_portcounters(struct ib_perf *pmp,
+static int recv_pma_get_portcounters(struct ib_pma_mad *pmp,
                                      struct ib_device *ibdev, u8 port)
 {
         struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
@@ -1179,9 +1047,9 @@ static int recv_pma_get_portcounters(struct ib_perf *pmp,
         memset(pmp->data, 0, sizeof(pmp->data));
 
         p->port_select = port_select;
-        if (pmp->attr_mod != 0 ||
+        if (pmp->mad_hdr.attr_mod != 0 ||
             (port_select != port && port_select != 0xFF))
-                pmp->status |= IB_SMP_INVALID_FIELD;
+                pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
 
         if (cntrs.symbol_error_counter > 0xFFFFUL)
                 p->symbol_error_counter = cpu_to_be16(0xFFFF);
@@ -1216,7 +1084,7 @@ static int recv_pma_get_portcounters(struct ib_perf *pmp,
                 cntrs.local_link_integrity_errors = 0xFUL;
         if (cntrs.excessive_buffer_overrun_errors > 0xFUL)
                 cntrs.excessive_buffer_overrun_errors = 0xFUL;
-        p->lli_ebor_errors = (cntrs.local_link_integrity_errors << 4) |
+        p->link_overrun_errors = (cntrs.local_link_integrity_errors << 4) |
                 cntrs.excessive_buffer_overrun_errors;
         if (cntrs.vl15_dropped > 0xFFFFUL)
                 p->vl15_dropped = cpu_to_be16(0xFFFF);
@@ -1244,7 +1112,7 @@ static int recv_pma_get_portcounters(struct ib_perf *pmp,
         return reply((struct ib_smp *) pmp);
 }
 
-static int recv_pma_get_portcounters_ext(struct ib_perf *pmp,
+static int recv_pma_get_portcounters_ext(struct ib_pma_mad *pmp,
                                          struct ib_device *ibdev, u8 port)
 {
         struct ib_pma_portcounters_ext *p =
@@ -1265,9 +1133,9 @@ static int recv_pma_get_portcounters_ext(struct ib_perf *pmp,
         memset(pmp->data, 0, sizeof(pmp->data));
 
         p->port_select = port_select;
-        if (pmp->attr_mod != 0 ||
+        if (pmp->mad_hdr.attr_mod != 0 ||
             (port_select != port && port_select != 0xFF))
-                pmp->status |= IB_SMP_INVALID_FIELD;
+                pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD;
 
         p->port_xmit_data = cpu_to_be64(swords);
         p->port_rcv_data = cpu_to_be64(rwords);
@@ -1281,7 +1149,7 @@ static int recv_pma_get_portcounters_ext(struct ib_perf *pmp,
         return reply((struct ib_smp *) pmp);
 }
 
-static int recv_pma_set_portcounters(struct ib_perf *pmp,
+static int recv_pma_set_portcounters(struct ib_pma_mad *pmp,
                                      struct ib_device *ibdev, u8 port)
 {
         struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
@@ -1344,7 +1212,7 @@ static int recv_pma_set_portcounters(struct ib_perf *pmp,
         return recv_pma_get_portcounters(pmp, ibdev, port);
 }
 
-static int recv_pma_set_portcounters_ext(struct ib_perf *pmp,
+static int recv_pma_set_portcounters_ext(struct ib_pma_mad *pmp,
                                          struct ib_device *ibdev, u8 port)
 {
         struct ib_pma_portcounters *p = (struct ib_pma_portcounters *)
@@ -1518,19 +1386,19 @@ static int process_perf(struct ib_device *ibdev, u8 port_num,
                         struct ib_mad *in_mad,
                         struct ib_mad *out_mad)
 {
-        struct ib_perf *pmp = (struct ib_perf *)out_mad;
+        struct ib_pma_mad *pmp = (struct ib_pma_mad *)out_mad;
         int ret;
 
         *out_mad = *in_mad;
-        if (pmp->class_version != 1) {
-                pmp->status |= IB_SMP_UNSUP_VERSION;
+        if (pmp->mad_hdr.class_version != 1) {
+                pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION;
                 ret = reply((struct ib_smp *) pmp);
                 goto bail;
         }
 
-        switch (pmp->method) {
+        switch (pmp->mad_hdr.method) {
         case IB_MGMT_METHOD_GET:
-                switch (pmp->attr_id) {
+                switch (pmp->mad_hdr.attr_id) {
                 case IB_PMA_CLASS_PORT_INFO:
                         ret = recv_pma_get_classportinfo(pmp);
                         goto bail;
@@ -1554,13 +1422,13 @@ static int process_perf(struct ib_device *ibdev, u8 port_num,
                                                             port_num);
                         goto bail;
                 default:
-                        pmp->status |= IB_SMP_UNSUP_METH_ATTR;
+                        pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR;
                         ret = reply((struct ib_smp *) pmp);
                         goto bail;
                 }
 
         case IB_MGMT_METHOD_SET:
-                switch (pmp->attr_id) {
+                switch (pmp->mad_hdr.attr_id) {
                 case IB_PMA_PORT_SAMPLES_CONTROL:
                         ret = recv_pma_set_portsamplescontrol(pmp, ibdev,
                                                               port_num);
@@ -1574,7 +1442,7 @@ static int process_perf(struct ib_device *ibdev, u8 port_num,
                                                             port_num);
                         goto bail;
                 default:
-                        pmp->status |= IB_SMP_UNSUP_METH_ATTR;
+                        pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR;
                         ret = reply((struct ib_smp *) pmp);
                         goto bail;
                 }
@@ -1588,7 +1456,7 @@ static int process_perf(struct ib_device *ibdev, u8 port_num,
                 ret = IB_MAD_RESULT_SUCCESS;
                 goto bail;
         default:
-                pmp->status |= IB_SMP_UNSUP_METHOD;
+                pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD;
                 ret = reply((struct ib_smp *) pmp);
         }