cxl: Add tracepoints around the cxl hcall
To ease debugging, add a few tracepoints around the cxl hcalls. Co-authored-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com> Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com> Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com> Reviewed-by: Manoj Kumar <manoj@linux.vnet.ibm.com> Acked-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Lombard
Michael Ellerman
Родитель
0d400f77c1
Коммит
e7a801ad15
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@ -13,6 +13,7 @@
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#include <linux/delay.h>
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#include <asm/byteorder.h>
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#include "hcalls.h"
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#include "trace.h"
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#define CXL_HCALL_TIMEOUT 60000
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#define CXL_HCALL_TIMEOUT_DOWNLOAD 120000
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@ -141,6 +142,7 @@ long cxl_h_attach_process(u64 unit_address,
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CXL_H_WAIT_UNTIL_DONE(rc, retbuf, H_ATTACH_CA_PROCESS, unit_address, virt_to_phys(element));
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_PRINT_MSG(rc, "cxl_h_attach_process(%#.16llx, %#.16lx): %li\n",
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unit_address, virt_to_phys(element), rc);
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trace_cxl_hcall_attach(unit_address, virt_to_phys(element), retbuf[0], retbuf[1], retbuf[2], rc);
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pr_devel("token: 0x%.8lx mmio_addr: 0x%lx mmio_size: 0x%lx\nProcess Element Structure:\n",
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retbuf[0], retbuf[1], retbuf[2]);
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@ -180,6 +182,7 @@ long cxl_h_detach_process(u64 unit_address, u64 process_token)
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CXL_H_WAIT_UNTIL_DONE(rc, retbuf, H_DETACH_CA_PROCESS, unit_address, process_token);
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_PRINT_MSG(rc, "cxl_h_detach_process(%#.16llx, 0x%.8llx): %li\n", unit_address, process_token, rc);
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trace_cxl_hcall_detach(unit_address, process_token, rc);
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switch (rc) {
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case H_SUCCESS: /* The process was detached from the coherent platform function */
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@ -212,6 +215,7 @@ static long cxl_h_control_function(u64 unit_address, u64 op,
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CXL_H9_WAIT_UNTIL_DONE(rc, retbuf, H_CONTROL_CA_FUNCTION, unit_address, op, p1, p2, p3, p4);
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_PRINT_MSG(rc, "cxl_h_control_function(%#.16llx, %s(%#llx, %#llx, %#llx, %#llx, R4: %#lx)): %li\n",
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unit_address, OP_STR_AFU(op), p1, p2, p3, p4, retbuf[0], rc);
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trace_cxl_hcall_control_function(unit_address, OP_STR_AFU(op), p1, p2, p3, p4, retbuf[0], rc);
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switch (rc) {
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case H_SUCCESS: /* The operation is completed for the coherent platform function */
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@ -405,6 +409,7 @@ long cxl_h_collect_int_info(u64 unit_address, u64 process_token,
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unit_address, process_token);
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_PRINT_MSG(rc, "cxl_h_collect_int_info(%#.16llx, 0x%llx): %li\n",
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unit_address, process_token, rc);
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trace_cxl_hcall_collect_int_info(unit_address, process_token, rc);
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switch (rc) {
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case H_SUCCESS: /* The interrupt info is returned in return registers. */
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@ -448,6 +453,8 @@ long cxl_h_control_faults(u64 unit_address, u64 process_token,
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_PRINT_MSG(rc, "cxl_h_control_faults(%#.16llx, 0x%llx, %#llx, %#llx): %li (%#lx)\n",
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unit_address, process_token, control_mask, reset_mask,
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rc, retbuf[0]);
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trace_cxl_hcall_control_faults(unit_address, process_token,
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control_mask, reset_mask, retbuf[0], rc);
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switch (rc) {
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case H_SUCCESS: /* Faults were successfully controlled for the function. */
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@ -481,6 +488,7 @@ static long cxl_h_control_facility(u64 unit_address, u64 op,
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CXL_H9_WAIT_UNTIL_DONE(rc, retbuf, H_CONTROL_CA_FACILITY, unit_address, op, p1, p2, p3, p4);
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_PRINT_MSG(rc, "cxl_h_control_facility(%#.16llx, %s(%#llx, %#llx, %#llx, %#llx, R4: %#lx)): %li\n",
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unit_address, OP_STR_CONTROL_ADAPTER(op), p1, p2, p3, p4, retbuf[0], rc);
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trace_cxl_hcall_control_facility(unit_address, OP_STR_CONTROL_ADAPTER(op), p1, p2, p3, p4, retbuf[0], rc);
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switch (rc) {
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case H_SUCCESS: /* The operation is completed for the coherent platform facility */
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@ -587,6 +595,7 @@ static long cxl_h_download_facility(u64 unit_address, u64 op,
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}
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_PRINT_MSG(rc, "cxl_h_download_facility(%#.16llx, %s(%#llx, %#llx), %#lx): %li\n",
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unit_address, OP_STR_DOWNLOAD_ADAPTER(op), list_address, num, retbuf[0], rc);
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trace_cxl_hcall_download_facility(unit_address, OP_STR_DOWNLOAD_ADAPTER(op), list_address, num, retbuf[0], rc);
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switch (rc) {
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case H_SUCCESS: /* The operation is completed for the coherent platform facility */
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@ -450,6 +450,199 @@ DEFINE_EVENT(cxl_pe_class, cxl_slbia,
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TP_ARGS(ctx)
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);
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TRACE_EVENT(cxl_hcall,
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TP_PROTO(u64 unit_address, u64 process_token, long rc),
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TP_ARGS(unit_address, process_token, rc),
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TP_STRUCT__entry(
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__field(u64, unit_address)
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__field(u64, process_token)
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__field(long, rc)
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),
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TP_fast_assign(
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__entry->unit_address = unit_address;
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__entry->process_token = process_token;
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__entry->rc = rc;
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),
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TP_printk("unit_address=0x%016llx process_token=0x%016llx rc=%li",
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__entry->unit_address,
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__entry->process_token,
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__entry->rc
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)
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);
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TRACE_EVENT(cxl_hcall_control,
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TP_PROTO(u64 unit_address, char *fct, u64 p1, u64 p2, u64 p3,
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u64 p4, unsigned long r4, long rc),
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TP_ARGS(unit_address, fct, p1, p2, p3, p4, r4, rc),
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TP_STRUCT__entry(
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__field(u64, unit_address)
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__field(char *, fct)
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__field(u64, p1)
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__field(u64, p2)
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__field(u64, p3)
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__field(u64, p4)
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__field(unsigned long, r4)
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__field(long, rc)
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),
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TP_fast_assign(
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__entry->unit_address = unit_address;
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__entry->fct = fct;
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__entry->p1 = p1;
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__entry->p2 = p2;
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__entry->p3 = p3;
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__entry->p4 = p4;
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__entry->r4 = r4;
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__entry->rc = rc;
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),
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TP_printk("unit_address=%#.16llx %s(%#llx, %#llx, %#llx, %#llx, R4: %#lx)): %li",
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__entry->unit_address,
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__entry->fct,
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__entry->p1,
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__entry->p2,
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__entry->p3,
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__entry->p4,
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__entry->r4,
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__entry->rc
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)
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);
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TRACE_EVENT(cxl_hcall_attach,
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TP_PROTO(u64 unit_address, u64 phys_addr, unsigned long process_token,
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unsigned long mmio_addr, unsigned long mmio_size, long rc),
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TP_ARGS(unit_address, phys_addr, process_token,
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mmio_addr, mmio_size, rc),
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TP_STRUCT__entry(
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__field(u64, unit_address)
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__field(u64, phys_addr)
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__field(unsigned long, process_token)
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__field(unsigned long, mmio_addr)
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__field(unsigned long, mmio_size)
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__field(long, rc)
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),
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TP_fast_assign(
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__entry->unit_address = unit_address;
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__entry->phys_addr = phys_addr;
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__entry->process_token = process_token;
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__entry->mmio_addr = mmio_addr;
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__entry->mmio_size = mmio_size;
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__entry->rc = rc;
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),
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TP_printk("unit_address=0x%016llx phys_addr=0x%016llx "
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"token=0x%.8lx mmio_addr=0x%lx mmio_size=0x%lx rc=%li",
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__entry->unit_address,
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__entry->phys_addr,
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__entry->process_token,
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__entry->mmio_addr,
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__entry->mmio_size,
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__entry->rc
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)
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);
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DEFINE_EVENT(cxl_hcall, cxl_hcall_detach,
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TP_PROTO(u64 unit_address, u64 process_token, long rc),
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TP_ARGS(unit_address, process_token, rc)
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);
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DEFINE_EVENT(cxl_hcall_control, cxl_hcall_control_function,
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TP_PROTO(u64 unit_address, char *fct, u64 p1, u64 p2, u64 p3,
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u64 p4, unsigned long r4, long rc),
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TP_ARGS(unit_address, fct, p1, p2, p3, p4, r4, rc)
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);
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DEFINE_EVENT(cxl_hcall, cxl_hcall_collect_int_info,
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TP_PROTO(u64 unit_address, u64 process_token, long rc),
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TP_ARGS(unit_address, process_token, rc)
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);
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TRACE_EVENT(cxl_hcall_control_faults,
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TP_PROTO(u64 unit_address, u64 process_token,
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u64 control_mask, u64 reset_mask, unsigned long r4,
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long rc),
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TP_ARGS(unit_address, process_token,
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control_mask, reset_mask, r4, rc),
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TP_STRUCT__entry(
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__field(u64, unit_address)
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__field(u64, process_token)
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__field(u64, control_mask)
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__field(u64, reset_mask)
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__field(unsigned long, r4)
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__field(long, rc)
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),
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TP_fast_assign(
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__entry->unit_address = unit_address;
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__entry->process_token = process_token;
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__entry->control_mask = control_mask;
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__entry->reset_mask = reset_mask;
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__entry->r4 = r4;
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__entry->rc = rc;
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),
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TP_printk("unit_address=0x%016llx process_token=0x%llx "
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"control_mask=%#llx reset_mask=%#llx r4=%#lx rc=%li",
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__entry->unit_address,
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__entry->process_token,
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__entry->control_mask,
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__entry->reset_mask,
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__entry->r4,
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__entry->rc
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)
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);
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DEFINE_EVENT(cxl_hcall_control, cxl_hcall_control_facility,
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TP_PROTO(u64 unit_address, char *fct, u64 p1, u64 p2, u64 p3,
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u64 p4, unsigned long r4, long rc),
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TP_ARGS(unit_address, fct, p1, p2, p3, p4, r4, rc)
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);
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TRACE_EVENT(cxl_hcall_download_facility,
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TP_PROTO(u64 unit_address, char *fct, u64 list_address, u64 num,
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unsigned long r4, long rc),
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TP_ARGS(unit_address, fct, list_address, num, r4, rc),
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TP_STRUCT__entry(
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__field(u64, unit_address)
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__field(char *, fct)
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__field(u64, list_address)
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__field(u64, num)
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__field(unsigned long, r4)
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__field(long, rc)
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),
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TP_fast_assign(
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__entry->unit_address = unit_address;
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__entry->fct = fct;
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__entry->list_address = list_address;
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__entry->num = num;
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__entry->r4 = r4;
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__entry->rc = rc;
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),
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TP_printk("%#.16llx, %s(%#llx, %#llx), %#lx): %li",
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__entry->unit_address,
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__entry->fct,
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__entry->list_address,
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__entry->num,
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__entry->r4,
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__entry->rc
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)
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);
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#endif /* _CXL_TRACE_H */
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/* This part must be outside protection */
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