From c920f7b42fc7834bae73a5fd146f58db18bb3f58 Mon Sep 17 00:00:00 2001 From: David Gibson Date: Tue, 19 Jan 2016 15:57:42 +1100 Subject: spapr: Small fixes to rtas_ibm_get_system_parameter, remove rtas_st_buffer rtas_st_buffer() appears in spapr.h as though it were a widely used helper, but in fact it is only used for saving data in a format used by rtas_ibm_get_system_parameter(). This changes it to a local helper more specifically for that function. While we're there fix a couple of small defects in rtas_ibm_get_system_parameter: - For the string value SPLPAR_CHARACTERISTICS, it wasn't including the terminating \0 in the length which it should according to LoPAPR 7.3.16.1 - It now checks that the supplied buffer has at least enough space for the length of the returned data, and returns an error if it does not. Signed-off-by: David Gibson Reviewed-by: Alexey Kardashevskiy --- include/hw/ppc/spapr.h | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-) (limited to 'include/hw/ppc/spapr.h') diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 53af76a93c..1e10fc95a9 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -408,14 +408,15 @@ int spapr_allocate_irq_block(int num, bool lsi, bool msi); #define RTAS_SLOT_PERM_ERR_LOG 2 /* RTAS return codes */ -#define RTAS_OUT_SUCCESS 0 -#define RTAS_OUT_NO_ERRORS_FOUND 1 -#define RTAS_OUT_HW_ERROR -1 -#define RTAS_OUT_BUSY -2 -#define RTAS_OUT_PARAM_ERROR -3 -#define RTAS_OUT_NOT_SUPPORTED -3 -#define RTAS_OUT_NO_SUCH_INDICATOR -3 -#define RTAS_OUT_NOT_AUTHORIZED -9002 +#define RTAS_OUT_SUCCESS 0 +#define RTAS_OUT_NO_ERRORS_FOUND 1 +#define RTAS_OUT_HW_ERROR -1 +#define RTAS_OUT_BUSY -2 +#define RTAS_OUT_PARAM_ERROR -3 +#define RTAS_OUT_NOT_SUPPORTED -3 +#define RTAS_OUT_NO_SUCH_INDICATOR -3 +#define RTAS_OUT_NOT_AUTHORIZED -9002 +#define RTAS_OUT_SYSPARM_PARAM_ERROR -9999 /* RTAS tokens */ #define RTAS_TOKEN_BASE 0x2000 @@ -513,17 +514,6 @@ static inline void rtas_st_buffer_direct(target_ulong phys, MIN(buffer_len, phys_len)); } -static inline void rtas_st_buffer(target_ulong phys, target_ulong phys_len, - uint8_t *buffer, uint16_t buffer_len) -{ - if (phys_len < 2) { - return; - } - stw_be_phys(&address_space_memory, - ppc64_phys_to_real(phys), buffer_len); - rtas_st_buffer_direct(phys + 2, phys_len - 2, buffer, buffer_len); -} - typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm, uint32_t token, uint32_t nargs, target_ulong args, -- cgit v1.2.3-55-g7522