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fw_cfg: remove support for guest-side data writes

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From this point forward, any guest-side writes to the fw_cfg
data register will be treated as no-ops. This patch also removes
the unused host-side API function fw_cfg_add_callback(), which
allowed the registration of a callback to be executed each time
the guest completed a full overwrite of a given fw_cfg data item.

Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gabriel L. Somlo 2015-04-29 11:21:50 -04:00 • committed by Gerd Hoffmann
parent 48779e5018
commit 023e314856
3 changed files with 1 additions and 35 deletions
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@ -193,7 +193,6 @@ ecc_diag_mem_writeb(uint64_t addr, uint32_t val) "Write diagnostic %"PRId64" = %
ecc_diag_mem_readb(uint64_t addr, uint32_t ret) "Read diagnostic %"PRId64"= %02x"
# hw/nvram/fw_cfg.c
fw_cfg_write(void *s, uint8_t value) "%p %d"
fw_cfg_select(void *s, uint16_t key, int ret) "%p key %d = %d"
fw_cfg_read(void *s, uint8_t ret) "%p = %d"
fw_cfg_add_file_dupe(void *s, char *name) "%p %s"