From eeb6b13a5a45d16a7b348891921d496bc5d6df2c Mon Sep 17 00:00:00 2001 From: Don Slutz Date: Thu, 30 Apr 2015 14:27:09 -0400 Subject: xen-hvm: Add trace to ioreq Signed-off-by: Stefano Stabellini Signed-off-by: Don Slutz --- xen-hvm.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'xen-hvm.c') diff --git a/xen-hvm.c b/xen-hvm.c index 040846236c..d17d3f33bc 100644 --- a/xen-hvm.c +++ b/xen-hvm.c @@ -814,9 +814,14 @@ static void cpu_ioreq_pio(ioreq_t *req) { uint32_t i; + trace_cpu_ioreq_pio(req, req->dir, req->df, req->data_is_ptr, req->addr, + req->data, req->count, req->size); + if (req->dir == IOREQ_READ) { if (!req->data_is_ptr) { req->data = do_inp(req->addr, req->size); + trace_cpu_ioreq_pio_read_reg(req, req->data, req->addr, + req->size); } else { uint32_t tmp; @@ -827,6 +832,8 @@ static void cpu_ioreq_pio(ioreq_t *req) } } else if (req->dir == IOREQ_WRITE) { if (!req->data_is_ptr) { + trace_cpu_ioreq_pio_write_reg(req, req->data, req->addr, + req->size); do_outp(req->addr, req->size, req->data); } else { for (i = 0; i < req->count; i++) { @@ -843,6 +850,9 @@ static void cpu_ioreq_move(ioreq_t *req) { uint32_t i; + trace_cpu_ioreq_move(req, req->dir, req->df, req->data_is_ptr, req->addr, + req->data, req->count, req->size); + if (!req->data_is_ptr) { if (req->dir == IOREQ_READ) { for (i = 0; i < req->count; i++) { @@ -915,11 +925,18 @@ static void handle_vmport_ioreq(XenIOState *state, ioreq_t *req) static void handle_ioreq(XenIOState *state, ioreq_t *req) { + trace_handle_ioreq(req, req->type, req->dir, req->df, req->data_is_ptr, + req->addr, req->data, req->count, req->size); + if (!req->data_is_ptr && (req->dir == IOREQ_WRITE) && (req->size < sizeof (target_ulong))) { req->data &= ((target_ulong) 1 << (8 * req->size)) - 1; } + if (req->dir == IOREQ_WRITE) + trace_handle_ioreq_write(req, req->type, req->df, req->data_is_ptr, + req->addr, req->data, req->count, req->size); + switch (req->type) { case IOREQ_TYPE_PIO: cpu_ioreq_pio(req); @@ -959,6 +976,10 @@ static void handle_ioreq(XenIOState *state, ioreq_t *req) default: hw_error("Invalid ioreq type 0x%x\n", req->type); } + if (req->dir == IOREQ_READ) { + trace_handle_ioreq_read(req, req->type, req->df, req->data_is_ptr, + req->addr, req->data, req->count, req->size); + } } static int handle_buffered_iopage(XenIOState *state) -- cgit v1.2.3-55-g7522